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DuraGo BD8870 Brake Drum - Rear

Brand	DuraGo BD8870
Position	Rear
ABS Tone Ring Included	No
Bolt Circle Diameter	5
Bolt Circle Diameter	127
Bolt Hole Diameter	0.53
Bolt Hole Diameter	13.5
Bolt Hole Quantity	5
Brake Surface Width	2.45
Brake Surface Width	62.2
Center Hole Diameter	3.06
Center Hole Diameter	77.8
Construction	Composite
Material	Cast Iron / Steel Top
Maximum Brake Diameter (Discard)	11.09
Maximum Brake Diameter (Discard)	281.69
Nominal Drum Diameter	11
Nominal Drum Diameter	279.4
Outer Cooling Fins	No
Outside Diameter	12.76
Outside Diameter	324
Overall Height	3.32
Overall Height	84.3
Rust Resistant Coating	No
Fits	Chevrolet, Cadillac, Buick, Pontiac, and Oldsmobile · 151 vehicles

OE-style fitment. Manufactured to meet fit, form, and function requirements.

Cast iron / steel top. Composite construction delivers dependable braking performance.

Brake drum. Part of DuraGo's professional brake drum and rotor program.

Cross-references Anchor 8870, Standard Ignition 2059 and 60268 for the same application. See all 11.

$84.70Free shipping

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

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

Not what you need? See all Brake Drum options

DuraGo BD8870 Rear Brake Drum

The DuraGo BD8870 is a rear brake drum built for select full-size Chevrolet, Cadillac, Buick, Oldsmobile, and Pontiac applications. It uses a cast iron / steel top construction with an 11 inch nominal drum diameter, 12.76 inch outside diameter, and 2.45 inch brake surface width for the specified rear drum brake setups.

Key Features

Cast iron / steel top construction for brake drum service
11 inch nominal drum diameter with 11.09 inch maximum brake diameter discard
5-bolt pattern with 127 mm bolt circle diameter
Brake surface width: 2.45 inches
Center hole diameter: 3.06 inches
Overall height: 3.32 inches
Manufactured by ISO certified factories to meet fit, form, and function requirements

Application Details

This rear brake drum is engineered for vehicles that use an 11 inch rear drum brake setup, including applications such as 1971-1976 Chevrolet Caprice, rear; 1971-1976 Oldsmobile Delta 88, rear; and 1971-1978 Buick Riviera, rear. It also fits additional rear applications across Chevrolet Impala, Cadillac Fleetwood, Cadillac DeVille, Pontiac Bonneville, Pontiac Catalina, and related models listed in the fitment data. The DuraGo BD8870 is a direct-fit style replacement for service work where correct drum diameter, bolt pattern, and brake surface dimensions matter.

This part cross-references Anchor 8870 and Standard Ignition 2059 for the same application.

Common Problems This Part Addresses

Rear brake pulsation caused by worn or out-of-round drum surfaces
Reduced braking performance from drums worn beyond discard diameter
Noise or vibration from damaged rear drum brake components
Fitment issues when replacing an 11 inch rear drum on classic GM full-size vehicles
Service delays when the replacement drum must match the original bolt circle and center bore

Installation Notes and Tips

Verify the existing drum diameter, bolt hole quantity, bolt circle diameter, and overall height before installation. This brake drum is listed for rear position only and is not supplied with an ABS tone ring or outer cooling fins. Confirm the vehicle’s rear brake shoe width and drum specifications against the fitment notes, especially on Chevrolet Commercial Chassis, Cadillac Brougham, and other models with width or duty-package variations.

Quality Assurance

DuraGo has a long history in aftermarket brake manufacturing, and the BD8870 is produced in ISO certified factories with attention to fit, form, and function. For buyers searching for a rear brake drum for 1971-1985 Chevrolet Impala, 1977-1986 Buick LeSabre, or 1981-1992 Chevrolet Caprice, this part number BD8870 provides a specification-matched replacement option.

This part fits 151 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
1994	Chevrolet	Commercial Chassis	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1993	Cadillac	Fleetwood	—	—	—	Rear	3.32 Inch Overall Height
1993	Chevrolet	Commercial Chassis	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1992	Cadillac	Brougham	—	—	—	Rear	3.32 Inch Overall Height; 2 Inch Wide Rear Shoe
1992	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1992	Chevrolet	Commercial Chassis	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1991	Cadillac	Brougham	—	—	—	Rear	3.32 Inch Overall Height; 2 Inch Wide Rear Shoe
1991	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1991	Chevrolet	Commercial Chassis	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1990	Cadillac	Brougham	—	—	—	Rear	11 Inch Rear Drum
1990	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1989	Cadillac	Brougham	—	—	—	Rear	11 Inch Rear Drum
1989	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1988	Cadillac	Brougham	—	—	—	Rear	11 Inch Rear Drum
1988	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1987	Cadillac	Brougham	—	—	—	Rear	11 Inch Rear Drum
1987	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1986	Buick	LeSabre	—	—	RWD	Rear	17 Lbs.; 11 Inch Rear Drum
1986	Cadillac	Fleetwood	—	—	RWD	Rear	—
1986	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1986	Pontiac	Parisienne	Wagon	4 Door	—	Rear	11 Inch Brake; 17 lb.
1985	Buick	LeSabre	—	—	—	Rear	17 Lbs.; 11 Inch Rear Drum
1985	Cadillac	Fleetwood	—	—	RWD	Rear	11 Inch Rear Drum
1985	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1985	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1985	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; Heavy Duty
1985	Pontiac	Parisienne	Wagon	4 Door	—	Rear	11 Inch Brake; 17 lb.
1984	Buick	LeSabre	—	—	—	Rear	17 Lbs.; 11 Inch Rear Drum
1984	Cadillac	DeVille	—	—	—	Rear	—
1984	Cadillac	Fleetwood	—	—	—	Rear	11 Inch Rear Drum
1984	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1984	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1984	Oldsmobile	98	—	—	—	Rear	—
1984	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; Heavy Duty
1984	Pontiac	Parisienne	Wagon	4 Door	—	Rear	11 Inch Brake; 17 lb.
1983	Buick	LeSabre	—	—	—	Rear	17 Lbs.; 11 Inch Rear Drum
1983	Cadillac	DeVille	—	—	—	Rear	—
1983	Cadillac	Fleetwood	—	—	—	Rear	11 Inch Rear Drum
1983	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1983	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1983	Oldsmobile	98	—	—	—	Rear	—
1983	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; Heavy Duty
1983	Pontiac	Parisienne	Wagon	4 Door	—	Rear	11 Inch Brake; 17 lb.
1982	Buick	LeSabre	—	—	—	Rear	17 Lbs.; 11 Inch Rear Drum
1982	Cadillac	DeVille	—	—	—	Rear	—
1982	Cadillac	Fleetwood	—	—	—	Rear	11 Inch Rear Drum
1982	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1982	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1982	Oldsmobile	98	—	—	—	Rear	—
1982	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; Heavy Duty
1981	Buick	LeSabre	—	—	—	Rear	17 Lbs.; 11 Inch Rear Drum
1981	Cadillac	DeVille	—	—	—	Rear	—
1981	Cadillac	Fleetwood	—	—	—	Rear	11 Inch Rear Drum
1981	Chevrolet	Bel Air	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1981	Chevrolet	Caprice	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1981	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1981	Oldsmobile	98	—	—	—	Rear	—
1981	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; Heavy Duty
1981	Pontiac	Bonneville	Sedan	4 Door	—	Rear	11 Inch Brake; 17 lb.
1981	Pontiac	Bonneville	Wagon	4 Door	—	Rear	11 Inch Brake; 17 lb.
1981	Pontiac	Catalina	Wagon	4 Door	—	Rear	11 Inch Brake; 17 lb.
1980	Buick	LeSabre	—	—	—	Rear	17 Lbs.; 11 Inch Rear Drum
1980	Cadillac	DeVille	—	—	—	Rear	—
1980	Cadillac	Fleetwood	—	—	—	Rear	11 Inch Rear Drum
1980	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1980	Oldsmobile	98	—	—	—	Rear	—
1980	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; Heavy Duty
1980	Pontiac	Bonneville	Sedan	4 Door	—	Rear	11 Inch Brake; 17 lb.
1980	Pontiac	Bonneville	Wagon	4 Door	—	Rear	11 Inch Brake; 17 lb.
1980	Pontiac	Catalina	Wagon	4 Door	—	Rear	11 Inch Brake; 17 lb.
1979	Buick	LeSabre	—	—	—	Rear	17 Lbs.; 11 Inch Rear Drum
1979	Cadillac	DeVille	—	—	—	Rear	—
1979	Cadillac	Fleetwood	—	—	—	Rear	11 Inch Rear Drum
1979	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1979	Oldsmobile	98	—	—	—	Rear	Heavy Duty
1979	Oldsmobile	Custom Cruiser	Wagon	4 Door	—	Rear	Heavy Duty; 17 lb.
1979	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; Heavy Duty
1979	Pontiac	Bonneville	Sedan	4 Door	—	Rear	11 Inch Brake; 17 lb.
1979	Pontiac	Bonneville	Wagon	4 Door	—	Rear	11 Inch Brake; 17 lb.
1979	Pontiac	Catalina	Wagon	4 Door	—	Rear	11 Inch Brake; 17 lb.
1978	Buick	LeSabre	—	—	—	Rear	17 Lbs.; 11 Inch Rear Drum
1978	Buick	Riviera	—	—	—	Rear	17 Lbs.
1978	Cadillac	DeVille	—	—	—	Rear	—
1978	Cadillac	Fleetwood	—	—	—	Rear	11 Inch Rear Drum
1978	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1978	Oldsmobile	98	—	—	—	Rear	Heavy Duty
1978	Oldsmobile	Custom Cruiser	Wagon	4 Door	—	Rear	Heavy Duty; 17 lb.
1978	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; Heavy Duty
1978	Pontiac	Bonneville	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1978	Pontiac	Catalina	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1977	Buick	LeSabre	—	—	—	Rear	17 Lbs.; 11 Inch Rear Drum
1977	Buick	Riviera	—	—	—	Rear	17 Lbs.
1977	Cadillac	DeVille	—	—	—	Rear	—
1977	Cadillac	Fleetwood	—	—	—	Rear	11 Inch Rear Drum
1977	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1977	Oldsmobile	98	—	—	—	Rear	—
1977	Oldsmobile	Custom Cruiser	Wagon	4 Door	—	Rear	Heavy Duty; 17 lb.
1977	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; Heavy Duty
1977	Pontiac	Bonneville	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1977	Pontiac	Catalina	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1976	Buick	LeSabre	—	—	—	Rear	17 Lbs.
1976	Buick	Riviera	—	—	—	Rear	17 Lbs.
1976	Chevrolet	Caprice	Sedan	—	—	Rear	3 1/4 Inch Wide Drum; except Taxi & Police
1976	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1976	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; except Heavy Duty & Commercial Chassis
1976	Pontiac	Bonneville	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1976	Pontiac	Catalina	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1975	Buick	LeSabre	—	—	—	Rear	17 Lbs.
1975	Buick	Riviera	—	—	—	Rear	17 Lbs.
1975	Chevrolet	Bel Air	Wagon	4 Door	—	Rear	w/ 11 X 3 1/4 Inch
1975	Chevrolet	Caprice	Sedan	—	—	Rear	3 1/4 Inch Wide Drum; except Taxi & Police
1975	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1975	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; except Heavy Duty & Commercial Chassis
1975	Pontiac	Bonneville	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1975	Pontiac	Catalina	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1974	Buick	LeSabre	—	—	—	Rear	17 Lbs.
1974	Buick	Riviera	—	—	—	Rear	17 Lbs.
1974	Chevrolet	Bel Air	Wagon	4 Door	—	Rear	w/ 11 X 3 1/4 Inch
1974	Chevrolet	Caprice	Sedan	—	—	Rear	3 1/4 Inch Wide Drum; except Taxi & Police
1974	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1974	Oldsmobile	98	—	—	—	Rear	17 lb.
1974	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; except Heavy Duty & Commercial Chassis
1974	Pontiac	Bonneville	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1974	Pontiac	Catalina	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1973	Buick	LeSabre	—	—	—	Rear	17 Lbs.
1973	Buick	Riviera	—	—	—	Rear	17 Lbs.
1973	Chevrolet	Bel Air	Sedan	4 Door	—	Rear	Exc.Police & Taxi
1973	Chevrolet	Caprice	Sedan	—	—	Rear	Except Taxi & Police
1973	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1973	Oldsmobile	98	—	—	—	Rear	17 lb.
1973	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; except Heavy Duty & Commercial Chassis
1973	Pontiac	Bonneville	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1973	Pontiac	Catalina	—	—	—	Rear	11 Inch Rear Drum Brake; 17 lb.
1972	Buick	LeSabre	—	—	—	Rear	17 Lbs.
1972	Buick	Riviera	—	—	—	Rear	17 Lbs.
1972	Chevrolet	Bel Air	Sedan	4 Door	—	Rear	Exc.Police & Taxi
1972	Chevrolet	Caprice	—	—	—	Rear	Except Taxi & Police
1972	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1972	Oldsmobile	98	—	—	—	Rear	17 lb.
1972	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; except Heavy Duty & Commercial Chassis
1972	Pontiac	Bonneville	—	—	—	Rear	11 Inch Rear Drum Brake
1972	Pontiac	Catalina	—	—	—	Rear	11 Inch Rear Drum Brake
1971	Buick	LeSabre	—	—	—	Rear	17 Lbs.
1971	Buick	Riviera	—	—	—	Rear	17 Lbs.
1971	Chevrolet	Bel Air	Sedan	4 Door	—	Rear	Exc.Police & Taxi
1971	Chevrolet	Caprice	—	—	—	Rear	Except Taxi & Police
1971	Chevrolet	Impala	—	—	—	Rear	3 1/4 Inch Wide; 11 Inch Rear Drum
1971	Oldsmobile	98	—	—	—	Rear	17 lb.
1971	Oldsmobile	Delta 88	—	—	—	Rear	3 1/4 Inch Wide Drum; except Heavy Duty & Commercial Chassis
1971	Pontiac	Bonneville	—	—	—	Rear	11 Inch Rear Drum Brake
1971	Pontiac	Catalina	—	—	—	Rear	11 Inch Rear Drum Brake
No rows match your filter.

Directly replaces or cross-references 11 part numbers

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

Anchor — 8870Standard Ignition — 20596026812354961244545124483512362016AX8870BD60268P2059PDR0199