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Raybestos 2275R Brake Drum - Rear

Brand	Raybestos 2275R
Position	Rear
Depth	2.500
Depth	63.500
Nominal Drum Diameter	0.435
Nominal Drum Diameter	11.050
Outer Cooling Fins	Yes
Outside Diameter	0.504
Outside Diameter	12.800
Stud/Lug Hole Diameter	0.445
Stud/Lug Hole Diameter	11.300
Stud/Lug Hole Quantity	5
Product line	R-Line
Fits	Buick, Oldsmobile, Chevrolet, GMC, Pontiac, and Cadillac · 76 vehicles

Cooling fins. Helps move heat away for more consistent braking performance.

Brake drum. Provides the friction surface your braking system relies on.

Cross-references Anchor 6062, Bosch 4828 and Centric Parts 123.62013 for the same application. See all 42.

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Brake Drums are typically replaced in pairs, axle by axle.

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Raybestos R-Line Brake Drum 2275R

Raybestos R-Line brake drum 2275R is a rear drum brake replacement built around the listed dimensions and vehicle-specific fitment. It measures 12.800 inches outside diameter, 2.500 inches depth, and 11.050 inches nominal drum diameter, with 5 stud/lug holes and outer cooling fins for added heat management.

Key Features

Outside diameter: 12.800 inches
Depth: 2.500 inches
Nominal drum diameter: 11.050 inches
5 stud/lug holes with 11.300 mm lug hole diameter
Outer cooling fins for improved thermal dissipation
Rear brake drum for listed GM A-body and related applications

R-Line Product Line Details

The Raybestos R-Line is the brand’s service replacement line for everyday brake repairs. For this application, the 2275R follows the fitment and dimensional requirements needed for rear drum brake service on vehicles such as the Buick Century, Buick Regal, Chevrolet El Camino, Oldsmobile Cutlass, Pontiac LeMans, and Pontiac Grand Prix.

Detailed Description

This Raybestos 2275R brake drum is specified for rear use on a range of 1973-1979 vehicles, including Fits 1973-1979 Buick Century, Rear; Fits 1973-1979 Buick Regal, Rear; Fits 1973-1977 Chevrolet El Camino, Rear; Fits 1976-1977 Chevrolet Malibu, Rear; Fits 1976-1977 Chevrolet Monte Carlo, Rear; Fits 1973-1977 Pontiac LeMans, Rear; and Fits 1976-1977 Pontiac Grand Prix, Rear. Additional listed coverage includes Oldsmobile Cutlass, Cutlass Salon, Cutlass Supreme, Omega, Pontiac Grand LeMans, Pontiac Phoenix, and Cadillac Seville rear applications. This part cross-references Centric Parts 123.62013 for the same application.

What This Brake Drum Helps Address

Rear brake pulsation caused by drum wear or scoring
Reduced braking consistency from an out-of-round drum
Heat buildup in drum brake service
Noise or vibration during rear brake operation
Service replacement needs on 11-inch rear drum brake systems

Installation Notes and Tips

Verify drum diameter, depth, lug pattern, and rear brake configuration before installation. Some listed applications note compatibility with 11-inch drum brake shoe hold down spring and bleeder screw, while others specify 3-inch or 3-1/4-inch wide drums. For Chevrolet El Camino and similar rear drum applications, follow the vehicle-specific notes closely and inspect shoes, hardware, and wheel cylinders during service. Raybestos 2275R is also listed for use on 1973-1975 Pontiac Grand Prix, 1973-1975 Oldsmobile Cutlass, and 1976-1977 Oldsmobile Cutlass Supreme rear brake setups.

Quality Assurance

Raybestos is a long-established brake brand with a service-focused R-Line product range. This brake drum is built to match the listed dimensional and fitment requirements for direct replacement service on the specified Buick, Chevrolet, Oldsmobile, Cadillac, and Pontiac rear brake applications.

This part fits 76 vehicles

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

Year	Make	Model	Submodel	Body Type	# Doors	Position	Notes
1979	Buick	Century	—	Sedan	4 Door	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1979	Buick	Century	—	Coupe	2 Door	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1979	Buick	Regal	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1979	Oldsmobile	Omega	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1978	Buick	Century	—	Sedan	4 Door	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1978	Buick	Century	—	Coupe	2 Door	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1978	Buick	Regal	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1978	Oldsmobile	Omega	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1977	Buick	Century	—	Sedan	4 Door	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1977	Buick	Century	—	Coupe	2 Door	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1977	Buick	Regal	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1977	Chevrolet	El Camino	—	—	—	Rear	Replace in Pairs; with 11 IN Brakes; R-Line
1977	Chevrolet	Malibu	—	—	—	Rear	with 3-1/4in Wide Drums; R-Line
1977	Chevrolet	Monte Carlo	—	—	—	Rear	with 3-1/4in Wide Drums; R-Line
1977	Oldsmobile	Cutlass	S	Coupe	2 Door	Rear	R-Line
1977	Oldsmobile	Cutlass	Colonnade S	Coupe	2 Door	Rear	R-Line
1977	Oldsmobile	Cutlass	Colonnade	Sedan	4 Door	Rear	R-Line
1977	Oldsmobile	Cutlass Salon	—	Coupe	2 Door	Rear	R-Line
1977	Oldsmobile	Cutlass Supreme	—	Sedan	4 Door	Rear	R-Line
1977	Oldsmobile	Cutlass Supreme	—	Coupe	2 Door	Rear	R-Line
1977	Oldsmobile	Omega	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1977	Pontiac	Grand LeMans	—	Sedan	4 Door	Rear	R-Line
1977	Pontiac	Grand LeMans	—	Coupe	2 Door	Rear	R-Line
1977	Pontiac	Grand Prix	—	—	—	Rear	with 3in Wide Drums; with 11 IN Brakes; R-Line
1977	Pontiac	LeMans	—	Sedan	4 Door	Rear	R-Line
1977	Pontiac	LeMans	—	Coupe	2 Door	Rear	R-Line
1977	Pontiac	Phoenix	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1976	Buick	Century	—	Sedan	4 Door	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1976	Buick	Century	—	Coupe	2 Door	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1976	Buick	Regal	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1976	Cadillac	Seville	—	—	—	Rear	Do Not Use with OEM Metallic Lining; R-Line
1976	Chevrolet	El Camino	—	—	—	Rear	Replace in Pairs; with 11 IN Brakes; R-Line
1976	Chevrolet	Malibu	—	—	—	Rear	with 3-1/4in Wide Drums; R-Line
1976	Chevrolet	Monte Carlo	—	—	—	Rear	with 3-1/4in Wide Drums; R-Line
1976	Oldsmobile	Cutlass	S	Sedan	4 Door	Rear	R-Line
1976	Oldsmobile	Cutlass	Colonnade S	Sedan	4 Door	Rear	R-Line
1976	Oldsmobile	Cutlass	S	Coupe	2 Door	Rear	R-Line
1976	Oldsmobile	Cutlass	Colonnade S	Coupe	2 Door	Rear	R-Line
1976	Oldsmobile	Cutlass Salon	—	Coupe	2 Door	Rear	R-Line
1976	Oldsmobile	Cutlass Supreme	—	Sedan	4 Door	Rear	R-Line
1976	Oldsmobile	Cutlass Supreme	—	Coupe	2 Door	Rear	R-Line
1976	Oldsmobile	Omega	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1976	Pontiac	Grand LeMans	—	Sedan	4 Door	Rear	R-Line
1976	Pontiac	Grand LeMans	—	Coupe	2 Door	Rear	R-Line
1976	Pontiac	Grand Prix	—	—	—	Rear	with 3in Wide Drums; with 11 IN Brakes; R-Line
1976	Pontiac	LeMans	—	Sedan	4 Door	Rear	R-Line
1976	Pontiac	LeMans	—	Coupe	2 Door	Rear	R-Line
1975	Buick	Century	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1975	Buick	Regal	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1975	Chevrolet	El Camino	—	—	—	Rear	Replace in Pairs; with 11 IN Brakes; R-Line
1975	Chevrolet	Malibu	—	Wagon	4 Door	Rear	R-Line
1975	Oldsmobile	Cutlass	S	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1975	Oldsmobile	Cutlass	Base	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1975	Oldsmobile	Cutlass Supreme	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1975	Oldsmobile	Omega	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1975	Pontiac	Grand LeMans	—	Wagon	4 Door	Rear	R-Line
1975	Pontiac	Grand Prix	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1975	Pontiac	LeMans	—	Wagon	4 Door	Rear	R-Line
1974	Buick	Century	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1974	Buick	Regal	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1974	Chevrolet	El Camino	—	—	—	Rear	Replace in Pairs; with 11 IN Brakes; R-Line
1974	Chevrolet	Malibu	—	Wagon	4 Door	Rear	R-Line
1974	Oldsmobile	Cutlass	S	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1974	Oldsmobile	Cutlass	Base	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1974	Oldsmobile	Cutlass Supreme	—	—	—	Rear	R-Line
1974	Pontiac	Grand Prix	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1974	Pontiac	LeMans	—	Wagon	4 Door	Rear	R-Line
1973	Buick	Century	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1973	Buick	Regal	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1973	Chevrolet	El Camino	—	—	—	Rear	Replace in Pairs; with 11 IN Brakes; R-Line
1973	Chevrolet	Malibu	—	Wagon	4 Door	Rear	R-Line
1973	Oldsmobile	Cutlass	S	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1973	Oldsmobile	Cutlass	Base	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1973	Oldsmobile	Cutlass Supreme	—	—	—	Rear	R-Line
1973	Pontiac	Grand Prix	—	—	—	Rear	Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line
1973	Pontiac	LeMans	—	Wagon	4 Door	Rear	R-Line
No rows match your filter.

Directly replaces or cross-references 42 part numbers

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

Anchor — 6062Bosch — 4828Centric Parts — 123.62013CSF — 2275Edelmann — 8828Four Seasons — 20316Hella — 1073Karlyn — 60319OSC — 1918Raybestos Brakes — 2275R3-124488-36013122.62013177-250219-2322788-360132275DGS5207-351-020359140274140360201280212000-C525012683305124138912417584602275AD8213AD8213EBD1035FBD1072BD8828BD60319BD88280C10-931D2275G2275K2275X21530YH6092YH140274

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