Dorman W51088 Drum Brake Wheel Cylinder - Rear

Name: Dorman W51088 Drum Brake Wheel Cylinder - Rear
Brand: Dorman
SKU: BKKX-W51088
Price: 25.06 USD
Availability: InStock

Rear

⚙️ 372 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Buick, Cadillac, Chevrolet, Oldsmobile, GMC, Pontiac, and Jeep, Roadmaster, DeVille, Fleetwood, Caprice, Custom Cruiser, Electra, P20, P2500, Safari, V20 Suburban, V2500 Suburban, J20, R20, R20 Suburban, R2500, R2500 Suburban, C20, C20 Suburban, K20, K20 Suburban, C2500, C2500 Suburban, K2500, K2500 Suburban, Parisienne, LeSabre, C10, G10, C1500, G1500, Estate Wagon, Impala, G30, G3500, Omega, K5 Blazer, C15, C25, C25 Suburban, G15, G35, Jimmy, K25, K25 Suburban, P25, Phoenix, Ventura, Riviera, Commercial Chassis, 98, Delta 88, Bonneville, Catalina, Grand Safari, Bel Air, C10 Suburban, K10, K10 Suburban, P10, C15 Suburban, K15, K15 Suburban, P15, Blazer, C10 Pickup, G10 Van, K10 Pickup, P10 Van, C15/C1500 Pickup, C15/C1500 Suburban, G15/G1500 Van, K15/K1500 Pickup, K15/K1500 Suburban, P15/P1500 Van, Biscayne, Kingswood, Townsman, and Brookwood

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Reliable Drum Brake Wheel Cylinder for GM and Jeep Vehicles

The Dorman W51088 drum brake wheel cylinder is engineered to restore proper braking function on select Buick, Cadillac, Chevrolet, GMC, Jeep, Oldsmobile, and Pontiac models. Designed with durable cast iron construction and a 1-inch bore diameter, this wheel cylinder ensures consistent hydraulic pressure for safe stopping performance.

Includes bleeder screw for easy brake system bleeding
Constructed from cast iron for strength and durability
1-inch bore diameter optimized for compatible drum brake systems
Brake component inlet thread size of 3/8-24 inches
Thread diameter of 3/8 inch for secure fitting
Package contains one drum brake wheel cylinder

Durable Construction and Precise Specifications

The Dorman W51088 wheel cylinder features a cast iron casting material that provides resistance to wear and corrosion, essential for long-term brake system reliability. Its 1-inch bore diameter is designed to match the hydraulic requirements of drum brake assemblies on various GM and Jeep vehicles, including models like the Chevrolet C10, GMC K20 Suburban, and Pontiac Bonneville. The included bleeder screw simplifies brake fluid maintenance, although the bleeder screw cap is not included. Thread sizes are standardized at 3/8-24 inches for the brake component inlet and 3/8 inch for the thread diameter, ensuring compatibility with original equipment brake lines.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with a wide range of vehicles, including Buick LeSabre, Cadillac DeVille, Chevrolet Blazer, GMC Jimmy, Jeep K5 Blazer, Oldsmobile Delta 88, and Pontiac Catalina. It is suitable for models equipped with drum brake systems requiring a 1-inch bore diameter wheel cylinder. The part number W51088 corresponds to this specific fitment, making it a direct replacement for worn or leaking wheel cylinders on these vehicles.

Restores braking pressure in drum brake assemblies
Addresses brake fluid leaks from worn wheel cylinders
Eliminates spongy or unresponsive brake pedal feel
Prevents uneven brake shoe wear caused by cylinder failure
Helps maintain proper brake balance and vehicle safety

Installation Notes and Tips

When installing the Dorman W51088 wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely lifted. Use the included bleeder screw to properly bleed air from the brake lines after installation. Inspect brake shoes and hardware for wear and replace as necessary to ensure optimal braking performance. Verify thread compatibility with existing brake lines before installation to avoid cross-threading or leaks.

Quality Assurance and Warranty

Dorman manufactures the W51088 wheel cylinder to meet or exceed OEM specifications, using cast iron for durability and reliable performance. This part undergoes rigorous quality control to ensure proper fit and function. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship, providing confidence in the product's longevity and reliability.

Brand	Dorman
Part Number	W51088
Bleeder Screw Cap Included	No
Bleeder Screw Included	Yes
Bore Diameter	1
Brake Component Inlet Thread Size	3/8-24 in
Casting Material	Cast Iron
Package Contents	1 Drum Brake Wheel Cylinder
Thread Diameter	3/8

This part fits 372 vehicles. Search below:

Year	Make	Model	Body Type	Drive Type	Fuel Type	Position	Notes
1996	Buick	Roadmaster				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1996	Cadillac	DeVille				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1996	Cadillac	Fleetwood				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1996	Chevrolet	Caprice	Sedan			Rear	Bore: 1 In.; w/Police Package
1996	Chevrolet	Caprice	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1995	Buick	Roadmaster				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1995	Cadillac	DeVille				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1995	Cadillac	Fleetwood				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1995	Chevrolet	Caprice	Sedan			Rear	Bore: 1 In.; w/Police Package
1995	Chevrolet	Caprice	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1994	Buick	Roadmaster				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1994	Cadillac	DeVille				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1994	Cadillac	Fleetwood				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1994	Chevrolet	Caprice	Sedan			Rear	Bore: 1 In.; w/Police Package
1994	Chevrolet	Caprice	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1993	Buick	Roadmaster				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1993	Cadillac	Fleetwood				Rear	Fits 11" x 2" drum brakes with 1" bore
1993	Chevrolet	Caprice	Wagon			Rear	w/3.08 Axle Ratio; Bore: 1 In.; 11 In. x 2 In. Brakes
1992	Buick	Roadmaster	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1992	Chevrolet	Caprice				Rear	Heavy Duty Brakes; w/3.08 Axle Ratio; Bore: 1 In.
1992	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1991	Buick	Roadmaster				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1991	Chevrolet	Caprice	Wagon			Rear	Heavy Duty 1 In. Bore Brake Master Cylinder.
1991	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1989	Chevrolet	Caprice	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1989	Chevrolet	P20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1989	GMC	P2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1989	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1989	Pontiac	Safari				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1988	Chevrolet	Caprice	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1988	Chevrolet	P20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1988	Chevrolet	V20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1988	GMC	P2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1988	GMC	V2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1988	Jeep	J20				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1988	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1988	Pontiac	Safari				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1987	Chevrolet	Caprice	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1987	Chevrolet	P20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1987	Chevrolet	R20				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1987	Chevrolet	R20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1987	GMC	P2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1987	GMC	R2500				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1987	GMC	R2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1987	Jeep	J20				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1987	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1987	Pontiac	Safari				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1986	Cadillac	Fleetwood		RWD		Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1986	Chevrolet	C20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1986	Chevrolet	C20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1986	Chevrolet	Caprice	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1986	Chevrolet	K20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1986	Chevrolet	K20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1986	Chevrolet	P20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1986	GMC	C2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1986	GMC	C2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1986	GMC	K2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1986	GMC	K2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1986	GMC	P2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1986	Jeep	J20				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1986	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1986	Pontiac	Parisienne	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1985	Buick	LeSabre	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1985	Cadillac	Fleetwood		RWD		Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1985	Chevrolet	C20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1985	Chevrolet	C20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1985	Chevrolet	Caprice	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1985	Chevrolet	K20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1985	Chevrolet	K20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1985	Chevrolet	P20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1985	GMC	C2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1985	GMC	C2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1985	GMC	K2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1985	GMC	K2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1985	GMC	P2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1985	Jeep	J20				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1985	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1985	Pontiac	Parisienne	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1984	Cadillac	DeVille				Rear	Bore: 1 In.; wo/Limousine Conversion Package
1984	Cadillac	Fleetwood	Sedan			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1984	Cadillac	Fleetwood	Coupe			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1984	Chevrolet	C10			GAS	Rear	Fits 11" x 2" drum brakes with 1" bore
1984	Chevrolet	C10			DIESEL	Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1984	Chevrolet	C20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1984	Chevrolet	C20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1984	Chevrolet	Caprice	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1984	Chevrolet	G10				Rear	Fits 11" x 2" drum brakes with 1" bore
1984	Chevrolet	K20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1984	Chevrolet	K20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1984	Chevrolet	P20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1984	GMC	C1500			GAS	Rear	Fits 11" x 2" drum brakes with 1" bore
1984	GMC	C1500			DIESEL	Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1984	GMC	C2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1984	GMC	C2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1984	GMC	G1500				Rear	Fits 11" x 2" drum brakes with 1" bore
1984	GMC	K2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1984	GMC	K2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1984	GMC	P2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1984	Jeep	J20				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1984	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1984	Pontiac	Parisienne	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1983	Cadillac	DeVille				Rear	Bore: 1 In.; wo/Limousine Conversion Package
1983	Cadillac	Fleetwood	Sedan			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1983	Cadillac	Fleetwood	Coupe			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1983	Chevrolet	C10			GAS	Rear	Fits 11" x 2" drum brakes with 1" bore
1983	Chevrolet	C10			DIESEL	Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1983	Chevrolet	C20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1983	Chevrolet	C20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1983	Chevrolet	Caprice	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1983	Chevrolet	G10				Rear	Fits 11" x 2" drum brakes with 1" bore
1983	Chevrolet	K20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1983	Chevrolet	K20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1983	Chevrolet	P20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1983	GMC	C1500			GAS	Rear	Fits 11" x 2" drum brakes with 1" bore
1983	GMC	C1500			DIESEL	Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1983	GMC	C2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1983	GMC	C2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1983	GMC	G1500				Rear	Fits 11" x 2" drum brakes with 1" bore
1983	GMC	K2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1983	GMC	K2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1983	GMC	P2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1983	Jeep	J20				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1983	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1983	Pontiac	Parisienne	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1982	Cadillac	DeVille				Rear	Bore: 1 In.; wo/Limousine Conversion Package
1982	Cadillac	Fleetwood	Sedan			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1982	Cadillac	Fleetwood	Coupe			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1982	Chevrolet	C10			GAS	Rear	Fits 11" x 2" drum brakes with 1" bore
1982	Chevrolet	C10			DIESEL	Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1982	Chevrolet	C20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1982	Chevrolet	C20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1982	Chevrolet	Caprice	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1982	Chevrolet	G10				Rear	Fits 11" x 2" drum brakes with 1" bore
1982	Chevrolet	Impala	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1982	Chevrolet	K20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1982	Chevrolet	K20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1982	Chevrolet	P20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1982	GMC	C1500			GAS	Rear	Fits 11" x 2" drum brakes with 1" bore
1982	GMC	C1500			DIESEL	Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1982	GMC	C2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1982	GMC	C2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1982	GMC	G1500				Rear	Fits 11" x 2" drum brakes with 1" bore
1982	GMC	K2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1982	GMC	K2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1982	GMC	P2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1982	Jeep	J20				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1982	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1981	Cadillac	DeVille				Rear	Bore: 1 In.; wo/Limousine Conversion Package
1981	Cadillac	Fleetwood	Sedan			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1981	Cadillac	Fleetwood	Coupe			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1981	Chevrolet	C10			GAS	Rear	Fits 11" x 2" drum brakes with 1" bore
1981	Chevrolet	C10			DIESEL	Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1981	Chevrolet	C20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1981	Chevrolet	C20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1981	Chevrolet	Caprice	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1981	Chevrolet	G10				Rear	Fits 11" x 2" drum brakes with 1" bore
1981	Chevrolet	Impala	Wagon			Rear	Fits 11" x 2" drum brakes with 1" bore
1981	Chevrolet	K20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1981	Chevrolet	K20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1981	Chevrolet	P20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1981	GMC	C1500			GAS	Rear	Fits 11" x 2" drum brakes with 1" bore
1981	GMC	C1500			DIESEL	Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1981	GMC	C2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1981	GMC	C2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1981	GMC	G1500				Rear	Fits 11" x 2" drum brakes with 1" bore
1981	GMC	K2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1981	GMC	K2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1981	GMC	P2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1981	Jeep	J20				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1981	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1980	Cadillac	DeVille				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1980	Chevrolet	C10				Rear	Fits 11" x 2" drum brakes with 1" bore
1980	Chevrolet	C20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1980	Chevrolet	C20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1980	Chevrolet	G10				Rear	Fits 11" x 2" drum brakes with 1" bore
1980	Chevrolet	G30				Rear	For vehicles with SRW and 6,400-7,400 Lb. GVW, this 1 inch bore size wheel cylinder fits.
1980	Chevrolet	K20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1980	Chevrolet	K20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1980	Chevrolet	P20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1980	GMC	C1500				Rear	Fits 11" x 2" drum brakes with 1" bore
1980	GMC	C2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1980	GMC	C2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1980	GMC	G1500				Rear	Fits 11" x 2" drum brakes with 1" bore
1980	GMC	G3500				Rear	For vehicles with SRW and 6,400-7,400 Lb. GVW, this 1 inch bore size wheel cylinder fits.
1980	GMC	K2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1980	GMC	K2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1980	GMC	P2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1980	Jeep	J20				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1979	Cadillac	DeVille				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1979	Chevrolet	C10				Rear	Fits 11" x 2" drum brakes with 1" bore
1979	Chevrolet	C20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1979	Chevrolet	C20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1979	Chevrolet	G10				Rear	Fits 11" x 2" drum brakes with 1" bore
1979	Chevrolet	G30				Rear	For vehicles with SRW and 6,400-7,400 Lb. GVW, this 1 inch bore size wheel cylinder fits.
1979	Chevrolet	K20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1979	Chevrolet	K20 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1979	Chevrolet	P20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1979	GMC	C1500				Rear	Fits 11" x 2" drum brakes with 1" bore
1979	GMC	C2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1979	GMC	C2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1979	GMC	G1500				Rear	Fits 11" x 2" drum brakes with 1" bore
1979	GMC	G3500				Rear	For vehicles with SRW and 6,400-7,400 Lb. GVW, this 1 inch bore size wheel cylinder fits.
1979	GMC	K2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1979	GMC	K2500 Suburban				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1979	GMC	P2500				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1979	Jeep	J20				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1979	Oldsmobile	Omega				Rear	Fits 11" x 2" drum brakes with 1" bore
1978	Cadillac	DeVille				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1978	Chevrolet	C10				Rear	Fits 11" x 2" drum brakes with 1" bore
1978	Chevrolet	C20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1978	Chevrolet	C20 Suburban				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1978	Chevrolet	G10				Rear	Fits 11" x 2" drum brakes with 1" bore
1978	Chevrolet	G30				Rear	Single Rear Wheel (SRW) with 6,400 to 7,400 Lb. GVW, 1 In. bore, 11 In. brakes.
1978	Chevrolet	K20				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1978	Chevrolet	K20 Suburban				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1978	Chevrolet	K5 Blazer		RWD		Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1978	Chevrolet	P20				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1978	GMC	G15				Rear	Fits 11" x 2" drum brakes with 1" bore
1978	GMC	G35				Rear	Single Rear Wheel (SRW) with 6,400 to 7,400 Lb. GVW, 1 In. bore, 11 In. brakes.
1978	GMC	Jimmy		RWD		Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1978	Jeep	J20				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1978	Oldsmobile	Omega				Rear	Fits 11" x 2" drum brakes with 1" bore
1978	Pontiac	Phoenix				Rear	Fits 11" x 2" drum brakes with 1" bore
1977	Cadillac	DeVille				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1977	Chevrolet	C10				Rear	Fits 11" x 2" drum brakes with 1" bore
1977	Chevrolet	C20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1977	Chevrolet	C20 Suburban				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1977	Chevrolet	G10				Rear	Fits 11" x 2" drum brakes with 1" bore
1977	Chevrolet	G30				Rear	Single Rear Wheel (SRW) with 6,400 to 7,400 Lb. GVW, 1 In. bore, 11 In. brakes.
1977	Chevrolet	K20				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1977	Chevrolet	K20 Suburban				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1977	Chevrolet	K5 Blazer		RWD		Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1977	Chevrolet	P20				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1977	GMC	G15				Rear	Fits 11" x 2" drum brakes with 1" bore
1977	GMC	G35				Rear	Single Rear Wheel (SRW) with 6,400 to 7,400 Lb. GVW, 1 In. bore, 11 In. brakes.
1977	GMC	Jimmy		RWD		Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1977	Oldsmobile	Omega				Rear	Fits 11" x 2" drum brakes with 1" bore
1977	Pontiac	Phoenix				Rear	Fits 11" x 2" drum brakes with 1" bore
1976	Buick	LeSabre				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Buick	Riviera				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Cadillac	Commercial Chassis				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Cadillac	DeVille				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Cadillac	Fleetwood				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Chevrolet	C10				Rear	Fits 11" x 2" drum brakes with 1" bore
1976	Chevrolet	C20				Rear	Fits drum brakes with dimensions of 11.15" x 2.75" for 1" bore size.
1976	Chevrolet	C20 Suburban				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1976	Chevrolet	Caprice	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1976	Chevrolet	Caprice	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Chevrolet	Caprice	Coupe			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1976	Chevrolet	G10				Rear	Fits 11" x 2" drum brakes with 1" bore
1976	Chevrolet	G30				Rear	Single Rear Wheel (SRW) with 6,400 to 7,400 Lb. GVW, 1 In. bore, 11 In. brakes.
1976	Chevrolet	Impala	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1976	Chevrolet	Impala	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Chevrolet	Impala	Coupe			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1976	Chevrolet	K20				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1976	Chevrolet	K20 Suburban				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1976	Chevrolet	K5 Blazer		RWD		Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Chevrolet	P20				Rear	1" Bore Drum Brake Wheel Cylinder, Compatible with 11" Drum Brakes
1976	GMC	G15				Rear	Fits 11" x 2" drum brakes with 1" bore
1976	GMC	G35				Rear	Single Rear Wheel (SRW) with 6,400 to 7,400 Lb. GVW, 1 In. bore, 11 In. brakes.
1976	GMC	Jimmy		RWD		Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Oldsmobile	98				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Oldsmobile	Delta 88				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Pontiac	Bonneville				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1976	Pontiac	Catalina				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1975	Cadillac	Commercial Chassis				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1975	Chevrolet	Bel Air	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1975	Chevrolet	Bel Air	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1975	Chevrolet	C10				Rear	Fits 11" x 2" drum brakes with 1" bore
1975	Chevrolet	C10 Suburban				Rear	Fits 11" x 2" drum brakes with 1" bore
1975	Chevrolet	Caprice	Convertible			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1975	Chevrolet	Caprice	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1975	Chevrolet	Caprice	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1975	Chevrolet	Caprice	Coupe			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1975	Chevrolet	G10				Rear	Fits 11" x 2" drum brakes with 1" bore
1975	Chevrolet	Impala	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1975	Chevrolet	Impala	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1975	Chevrolet	Impala	Coupe			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1975	Chevrolet	K10				Rear	Fits 11" x 2" drum brakes with 1" bore
1975	Chevrolet	K10 Suburban				Rear	Fits 11" x 2" drum brakes with 1" bore
1975	Chevrolet	K5 Blazer		RWD		Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1975	Chevrolet	P10				Rear	Fits 11" x 2" drum brakes with 1" bore
1975	GMC	G15				Rear	Fits 11" x 2" drum brakes with 1" bore
1975	GMC	Jimmy		RWD		Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1975	Oldsmobile	98				Rear	Bore: 1 In.; w/Police Package
1975	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1975	Oldsmobile	Delta 88				Rear	Bore: 1 In.; w/Police Package
1975	Pontiac	Bonneville	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1975	Pontiac	Catalina	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1974	Cadillac	Commercial Chassis				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1974	Chevrolet	Bel Air	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1974	Chevrolet	Bel Air	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1974	Chevrolet	Bel Air	Coupe			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1974	Chevrolet	Blazer				Rear	Rear Wheel Drive (RWD) with 1 inch Bore.
1974	Chevrolet	C10 Suburban				Rear	Fits 11" x 2" drum brakes with 1" bore
1974	Chevrolet	Caprice	Convertible			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1974	Chevrolet	Caprice	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1974	Chevrolet	Caprice	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1974	Chevrolet	Caprice	Coupe			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1974	Chevrolet	Impala	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1974	Chevrolet	Impala	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1974	Chevrolet	Impala	Coupe			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1974	Chevrolet	K10 Suburban				Rear	Fits 11" x 2" drum brakes with 1" bore
1974	GMC	G15/G1500 Van				Rear	Fits 11" x 2" drum brakes with 1" bore
1974	GMC	Jimmy				Rear	Rear Wheel Drive (RWD) with 1 inch Bore.
1974	Oldsmobile	98				Rear	Bore: 1 In.; w/Police Package
1974	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1974	Oldsmobile	Delta 88				Rear	Bore: 1 In.; w/Police Package
1974	Pontiac	Bonneville				Rear	Bore: 1 In.; Wagon
1974	Pontiac	Catalina	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1973	Cadillac	Commercial Chassis				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1973	Chevrolet	Bel Air	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1973	Chevrolet	Bel Air	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1973	Chevrolet	Caprice	Convertible			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1973	Chevrolet	Caprice	Hardtop			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1973	Chevrolet	Caprice	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1973	Chevrolet	Caprice	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1973	Chevrolet	Impala	Hardtop			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1973	Chevrolet	Impala	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1973	Chevrolet	Impala	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1973	Oldsmobile	98				Rear	Bore: 1 In.; w/Police Package
1973	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1973	Oldsmobile	Delta 88				Rear	Bore: 1 In.; w/Police Package
1973	Pontiac	Bonneville				Rear	Bore: 1 In.; Wagon
1973	Pontiac	Catalina	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1972	Cadillac	Commercial Chassis				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1972	Chevrolet	Bel Air	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1972	Chevrolet	Bel Air	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1972	Chevrolet	Caprice	Hardtop			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1972	Chevrolet	Caprice	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1972	Chevrolet	Impala	Convertible			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1972	Chevrolet	Impala	Hardtop			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1972	Chevrolet	Impala	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1972	Chevrolet	Impala	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1972	Oldsmobile	98				Rear	Bore: 1 In.; w/Police Package
1972	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1972	Oldsmobile	Delta 88				Rear	Bore: 1 In.; w/Police Package
1972	Pontiac	Bonneville	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1972	Pontiac	Catalina	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1971	Cadillac	Commercial Chassis				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1971	Chevrolet	Bel Air	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1971	Chevrolet	Bel Air	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1971	Chevrolet	Caprice	Hardtop			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1971	Chevrolet	Caprice	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1971	Chevrolet	Impala	Convertible			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1971	Chevrolet	Impala	Hardtop			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1971	Chevrolet	Impala	Sedan			Rear	Drum Brake Wheel Cylinder for 1 In. bore with Taxi and Police Packages
1971	Chevrolet	Impala	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1971	Oldsmobile	98				Rear	Bore: 1 In.; w/Police Package
1971	Oldsmobile	Custom Cruiser				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1971	Oldsmobile	Delta 88				Rear	Bore: 1 In.; w/Police Package
1971	Pontiac	Bonneville	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1971	Pontiac	Catalina	Wagon			Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1970	Chevrolet	Bel Air				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1970	Chevrolet	Caprice				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1970	Chevrolet	Impala				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1969	Chevrolet	Bel Air				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1969	Chevrolet	Caprice				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1969	Chevrolet	Impala				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1968	Chevrolet	Bel Air				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1968	Chevrolet	Caprice				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1968	Chevrolet	Impala				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1967	Chevrolet	Bel Air				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1967	Chevrolet	Caprice				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1967	Chevrolet	Impala				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1966	Chevrolet	Bel Air				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1966	Chevrolet	Caprice				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1966	Chevrolet	Impala				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1966	Pontiac	Parisienne				Rear
1965	Chevrolet	Bel Air				Rear	Compatible with 1-inch bore drum brake wheel cylinders.
1965	Chevrolet	Impala				Rear	Compatible with 1-inch bore drum brake wheel cylinders.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

134.620021800479318E57203708033608510885465497784-36002F51088W-82002W906231WC13608

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.