Centric 135.66018 Drum Brake Wheel Cylinder - Rear

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C-TEK Standard Wheel Cylinders

Centric 135.66018 Drum Brake Wheel Cylinder - Rear

Brand	Centric 135.66018
Position	Rear
Attachment Type	Bolted
Bleeder Screw Included	Yes
Bore Diameter	1.188
Bore Diameter	30.163
Flare Type	Inverted Flare
Inlet Fitting Thread Pitch	24.000
Inlet Thread Diameter	0.375
Mounting Hole Quantity	2
Mounting Method	2 Bolts
Piston Quantity	2
Port 2 Flare Type [cntrc]	Inverted Flare
Position [cntrc]	Left & Right
Publication Bore [cntrc]	1 3/16"
Weight [cntrc] kgs	0.760
Weight [cntrc] lbs	1.670
Wheel Kit [cntrc]	144.66002
Product line	C-TEK Standard Wheel Cylinders
Fits	Chevrolet and GMC · 88 vehicles

Standard replacement part. Centric C-TEK wheel cylinder delivers dependable brake hydraulics value.

Bolted design. Two-bolt mounting and inverted flare connections simplify installation.

Bleeder screw included. Ready for service with a 2-piston, 1-3/16-inch bore design.

Cross-references DENSO Auto Parts 5035, Dorman - First Stop W37785 and Four Seasons 33961 for the same application. See all 25.

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Drum Brake Wheel Cylinders are typically replaced in pairs, axle by axle.

Free shipping to the continental U.S.

Free returns within 60 days if it doesn't fit when fitment is verified.

Not what you need? See all Drum Brake Wheel Cylinder options

Centric C-TEK Wheel Cylinder Overview

Centric C-TEK Standard Wheel Cylinder 135.66018 is a rear drum brake wheel cylinder built for select Chevrolet and GMC trucks and SUVs. It is a direct replacement for applications that use a 1 3/16 in. bore, bolted mounting, and inverted flare connections.

The C-TEK Standard Wheel Cylinders line focuses on practical OE-style replacement parts for import and domestic vehicles, combining broad application coverage with consistent manufacturing standards.

Key Features

Part number 135.66018 for rear drum brake service
1.188 in. bore diameter, also listed as 30.163 mm
Bolted attachment with 2-bolt mounting and 2 mounting holes
Bleeder screw included
2-piston wheel cylinder design
Inverted flare inlet and port connections
Fits left or right rear positions where specified by application
Cross-references Dorman - First Stop W37785 for the same application

Product Details

Centric 135.66018 is a drum brake wheel cylinder for rear brake systems that rely on hydraulic pressure to move the brake shoes against the drum. The 1 3/16 in. bore size, bolted mounting style, and inverted flare inlet help match the original brake hardware used on many Chevrolet C1500, Chevrolet K1500, Chevrolet Tahoe, GMC C1500, GMC K1500, and GMC Yukon rear drum brake applications. This part number 135.66018 is listed for left and right positions depending on the vehicle configuration.

Centric’s C-TEK Standard Wheel Cylinders line is positioned as a value-focused replacement range for import and domestic brake service, using global manufacturing sources to maintain consistent replacement coverage across common brake applications.

Vehicle Fitment

Fits 2000 Chevrolet Tahoe, rear; not compatible with Performance or Police Packages.
Fits 2000 GMC Yukon, rear; excludes Performance Package and Police Package; rear drum brakes.
Fits 1990-1999 Chevrolet C1500, rear.
Fits 1992-1999 Chevrolet K1500, rear; 10 in. rear drum; 8 1/2 in. rear end.
Fits 1998-1999 Chevrolet Tahoe, rear; not compatible with Police Package or Performance Package.
Fits 1995-1999 Chevrolet Tahoe, rear; 10 in. rear drum.
Fits 1992-1999 GMC C1500, rear.
Fits 1992-1999 GMC K1500, rear; 10 in. rear drum.
Fits 1998-1999 GMC Yukon, rear; 10 in. rear drum; excludes Performance Package.
Fits 1995-1997 Chevrolet Tahoe, rear.
Fits 1992-1997 GMC Yukon, rear.
Fits 1995-1997 GMC Yukon, rear; 10 in. rear drum.
Fits 1992-1994 Chevrolet Blazer, rear; full size.
Fits 1990-1991 Chevrolet C1500, rear; heavy duty chassis.
Fits 1988-1991 Chevrolet K1500, rear; 10 in. rear drum; 9 1/2 in. rear end; heavy duty chassis.
Fits 1988-1991 Chevrolet K1500, rear; 10 in. rear drum; 9 1/2 in. rear end; standard chassis.
Fits 1988-1991 GMC C1500, rear; disc brake caliper for HD chassis.
Fits 1988-1991 GMC K1500, rear; 10 in. rear drum; heavy duty chassis.
Fits 1988-1991 GMC K1500, rear; 10 in. rear drum; standard chassis.
Fits 1988-1989 Chevrolet C1500, rear; heavy duty chassis.
Fits 1988-1989 Chevrolet C1500, rear; excludes heavy duty chassis.
Fits 1988-1989 GMC C1500, rear; excludes HD chassis.

Installation Notes

Verify rear drum brake configuration, bore size, and mounting style before installation.
Confirm whether the vehicle is equipped with Performance, Police, heavy duty, or standard chassis options, since several fitments exclude specific packages.
Inspect brake shoes, drums, and hydraulic lines for wear or contamination before replacing the wheel cylinder.
Bleed the brake system after installation to remove air from the hydraulic circuit.

Quality Assurance

Centric Parts backs the C-TEK line with replacement-focused manufacturing and application coverage for common brake service needs. Part number 135.66018 is built as a standard replacement wheel cylinder for rear drum brake repairs on select Chevrolet and GMC applications.

This part fits 88 vehicles

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

Year	Make	Model	Body Type	# Doors	Drive Type	Position	Notes
2000	Chevrolet	Tahoe	—	—	RWD	Rear	Not compatible with Performance or Police Packages.; C-TEK Standard Wheel Cylinders
2000	GMC	Yukon	—	—	RWD	Rear	exc Perf Pkg; exc Police Pkg; Rear Drum Brks; C-TEK Standard Wheel Cylinders
1999	Chevrolet	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1999	Chevrolet	K1500	—	—	—	Rear	10" Rear Drum; 8 1/2" Rear End; C-TEK Standard Wheel Cylinders
1999	Chevrolet	Tahoe	—	—	RWD	Rear	Not compatible with Police Package or Performance Package.; C-TEK Standard Wheel Cylinders
1999	Chevrolet	Tahoe	—	2 Door	4WD	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1999	GMC	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1999	GMC	K1500	—	—	—	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1999	GMC	Yukon	—	—	RWD	Rear	10" Rear Drum; exc Performance Pkg; C-TEK Standard Wheel Cylinders
1998	Chevrolet	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1998	Chevrolet	K1500	—	—	—	Rear	10" Rear Drum; 8 1/2" Rear End; C-TEK Standard Wheel Cylinders
1998	Chevrolet	Tahoe	—	—	RWD	Rear	Not compatible with Police Package or Performance Package.; C-TEK Standard Wheel Cylinders
1998	Chevrolet	Tahoe	—	2 Door	4WD	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1998	GMC	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1998	GMC	K1500	—	—	—	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1998	GMC	Yukon	—	—	RWD	Rear	10" Rear Drum; exc Performance Pkg; C-TEK Standard Wheel Cylinders
1997	Chevrolet	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1997	Chevrolet	K1500	—	—	—	Rear	10" Rear Drum; 8 1/2" Rear End; C-TEK Standard Wheel Cylinders
1997	Chevrolet	Tahoe	—	—	RWD	Rear	C-TEK Standard Wheel Cylinders
1997	Chevrolet	Tahoe	—	2 Door	4WD	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1997	GMC	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1997	GMC	K1500	—	—	—	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1997	GMC	Yukon	—	—	RWD	Rear	C-TEK Standard Wheel Cylinders
1997	GMC	Yukon	—	2 Door	4WD	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1996	Chevrolet	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1996	Chevrolet	K1500	—	—	—	Rear	10" Rear Drum; 8 1/2" Rear End; C-TEK Standard Wheel Cylinders
1996	Chevrolet	Tahoe	—	—	RWD	Rear	C-TEK Standard Wheel Cylinders
1996	Chevrolet	Tahoe	—	2 Door	4WD	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1996	GMC	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1996	GMC	K1500	—	—	—	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1996	GMC	Yukon	—	—	RWD	Rear	C-TEK Standard Wheel Cylinders
1996	GMC	Yukon	—	2 Door	4WD	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1995	Chevrolet	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1995	Chevrolet	K1500	—	—	—	Rear	10" Rear Drum; 8 1/2" Rear End; C-TEK Standard Wheel Cylinders
1995	Chevrolet	Tahoe	—	—	RWD	Rear	C-TEK Standard Wheel Cylinders
1995	Chevrolet	Tahoe	—	2 Door	4WD	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1995	GMC	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1995	GMC	K1500	—	—	—	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1995	GMC	Yukon	—	—	RWD	Rear	C-TEK Standard Wheel Cylinders
1995	GMC	Yukon	—	2 Door	4WD	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1994	Chevrolet	Blazer	—	—	—	Rear	Full Size; C-TEK Standard Wheel Cylinders
1994	Chevrolet	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1994	Chevrolet	K1500	—	—	—	Rear	10" Rear Drum; 8 1/2" Rear End; C-TEK Standard Wheel Cylinders
1994	GMC	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1994	GMC	K1500	—	—	—	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1994	GMC	Yukon	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1993	Chevrolet	Blazer	—	—	—	Rear	Full Size; C-TEK Standard Wheel Cylinders
1993	Chevrolet	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1993	Chevrolet	K1500	—	—	—	Rear	10" Rear Drum; 8 1/2" Rear End; C-TEK Standard Wheel Cylinders
1993	GMC	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1993	GMC	K1500	—	—	—	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1993	GMC	Yukon	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1992	Chevrolet	Blazer	—	—	—	Rear	Full Size; C-TEK Standard Wheel Cylinders
1992	Chevrolet	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1992	Chevrolet	K1500	—	—	—	Rear	10" Rear Drum; 8 1/2" Rear End; C-TEK Standard Wheel Cylinders
1992	GMC	C1500	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1992	GMC	K1500	—	—	—	Rear	10" Rear Drum; C-TEK Standard Wheel Cylinders
1992	GMC	Yukon	—	—	—	Rear	C-TEK Standard Wheel Cylinders
1991	Chevrolet	C1500	Standard Cab Pickup	—	—	Rear	Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1991	Chevrolet	C1500	Extended Cab Pickup	—	—	Rear	C-TEK Standard Wheel Cylinders
1991	Chevrolet	K1500	Standard Cab Pickup	—	—	Rear	10" Rear Drum; 9 1/2" Rear End; Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1991	Chevrolet	K1500	Extended Cab Pickup	—	—	Rear	10" Rear Drum; 9 1/2" Rear End; Std Ch; C-TEK Standard Wheel Cylinders
1991	GMC	C1500	—	—	—	Rear	Disc Brake Caliper for HD Chassis; C-TEK Standard Wheel Cylinders
1991	GMC	K1500	Standard Cab Pickup	—	—	Rear	10" Rear Drum; Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1991	GMC	K1500	Extended Cab Pickup	—	—	Rear	10" Rear Drum; Std Ch; C-TEK Standard Wheel Cylinders
1990	Chevrolet	C1500	Standard Cab Pickup	—	—	Rear	Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1990	Chevrolet	C1500	Extended Cab Pickup	—	—	Rear	C-TEK Standard Wheel Cylinders
1990	Chevrolet	K1500	Standard Cab Pickup	—	—	Rear	10" Rear Drum; 9 1/2" Rear End; Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1990	Chevrolet	K1500	Extended Cab Pickup	—	—	Rear	10" Rear Drum; 9 1/2" Rear End; Std Ch; C-TEK Standard Wheel Cylinders
1990	GMC	C1500	—	—	—	Rear	Disc Brake Caliper for HD Chassis; C-TEK Standard Wheel Cylinders
1990	GMC	K1500	Standard Cab Pickup	—	—	Rear	10" Rear Drum; Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1990	GMC	K1500	Extended Cab Pickup	—	—	Rear	10" Rear Drum; Std Ch; C-TEK Standard Wheel Cylinders
1989	Chevrolet	C1500	Standard Cab Pickup	—	—	Rear	Heavy Duty Chassis; C-TEK Standard Wheel Cylinders
1989	Chevrolet	C1500	Extended Cab Pickup	—	—	Rear	exc Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1989	Chevrolet	K1500	Standard Cab Pickup	—	—	Rear	10" Rear Drum; 9 1/2" Rear End; Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1989	Chevrolet	K1500	Extended Cab Pickup	—	—	Rear	10" Rear Drum; 9 1/2" Rear End; Std Ch; C-TEK Standard Wheel Cylinders
1989	GMC	C1500	Standard Cab Pickup	—	—	Rear	Disc Brake Caliper for HD Chassis; C-TEK Standard Wheel Cylinders
1989	GMC	C1500	Extended Cab Pickup	—	—	Rear	exc HD Chassis; C-TEK Standard Wheel Cylinders
1989	GMC	K1500	Standard Cab Pickup	—	—	Rear	10" Rear Drum; Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1989	GMC	K1500	Extended Cab Pickup	—	—	Rear	10" Rear Drum; Std Ch; C-TEK Standard Wheel Cylinders
1988	Chevrolet	C1500	Standard Cab Pickup	—	—	Rear	Heavy Duty Chassis; C-TEK Standard Wheel Cylinders
1988	Chevrolet	C1500	Extended Cab Pickup	—	—	Rear	exc Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1988	Chevrolet	K1500	Standard Cab Pickup	—	—	Rear	10" Rear Drum; 9 1/2" Rear End; Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1988	Chevrolet	K1500	Extended Cab Pickup	—	—	Rear	10" Rear Drum; 9 1/2" Rear End; Std Ch; C-TEK Standard Wheel Cylinders
1988	GMC	C1500	Standard Cab Pickup	—	—	Rear	Disc Brake Caliper for HD Chassis; C-TEK Standard Wheel Cylinders
1988	GMC	C1500	Extended Cab Pickup	—	—	Rear	exc HD Chassis; C-TEK Standard Wheel Cylinders
1988	GMC	K1500	Standard Cab Pickup	—	—	Rear	10" Rear Drum; Hvy Dty Ch; C-TEK Standard Wheel Cylinders
1988	GMC	K1500	Extended Cab Pickup	—	—	Rear	10" Rear Drum; Std Ch; C-TEK Standard Wheel Cylinders
No rows match your filter.

Directly replaces or cross-references 25 part numbers

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

DENSO Auto Parts — 5035Dorman - First Stop — W37785Four Seasons — 33961Raybestos Brakes — WC37018918E29665-W377852307-6601837785172142417215142037785180139561801878818029476230766018E140-71-023E14071023EW155120F116224W86018W86018EW906625WC1850WC13961WC37785