Raybestos 1089R Brake Drum - Rear
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Raybestos
 R-Line

Raybestos 1089R Brake Drum - Rear

Brand Raybestos 1089R
Position Rear
Depth 2.120
Depth 53.850
Nominal Drum Diameter 0.312
Nominal Drum Diameter 7.950
Outer Cooling Fins No
Outside Diameter 0.360
Outside Diameter 9.150
Stud/Lug Hole Diameter 0.558
Stud/Lug Hole Diameter 14.150
Stud/Lug Hole Quantity 4
Product line R-Line
Fits Chevrolet and Pontiac · 31 vehicles

Brake drum. Engineered for dependable braking performance.

R-Line quality. Raybestos aftermarket line for consistent fit and function.

Cross-references Airtex Fuel Pumps 60337, AMS Automotive 6129 and Anchor 8895 for the same application. See all 45.

$53.07Free shipping
Out of stock
Step 1 — Confirm fitment
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Brake Drums are typically replaced in pairs, axle by axle.
Order total $53.07
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 Brake Drum options

Raybestos R-Line 1089R Brake Drum

The Raybestos R-Line 1089R brake drum is built for rear brake service on select Chevrolet and Pontiac applications. With a 9.150-inch outside diameter, 7.950-inch nominal drum diameter, and 2.120-inch depth, it matches the dimensional requirements needed for proper drum brake operation.

Key Features

  • Brake drum for rear axle applications
  • Outside diameter: 9.150 inches
  • Nominal drum diameter: 7.950 inches
  • Depth: 2.120 inches
  • 4 stud/lug holes with 14.150 mm hole diameter
  • No outer cooling fins
  • Raybestos R-Line part number 1089R

R-Line Product Line Details

Raybestos R-Line covers service replacement brake components for everyday repair work. The 1089R follows the R-Line format with application-specific dimensions and fitment for rear drum brake systems used on 1976-1987 Chevrolet Chevette, 1976-1987 Pontiac Acadian, and 1981-1987 Pontiac T1000 models.

Fitment

  • Fits 1976-1987 Chevrolet Chevette, rear
  • Fits 1976-1987 Pontiac Acadian, rear
  • Fits 1981-1987 Pontiac T1000, rear

What It Helps Address

  • Rear brake drum wear from heat and friction
  • Brake pulsation caused by out-of-spec drum dimensions
  • Reduced braking performance from a damaged or scored drum
  • Noise from worn drum brake surfaces
  • Service replacement needs for Chevrolet Chevette and Pontiac rear drum brake systems

Installation Notes and Tips

Verify drum diameter, depth, and lug-hole pattern before installation. Inspect brake shoes, wheel cylinders, and hardware for wear during service, and confirm the drum seats evenly on the hub before road testing. This part cross-references National 1932 and Anchor 8895 for the same application.

Quality Assurance

Raybestos brake components are cataloged for application-specific replacement use. Confirm fitment against the vehicle’s rear drum brake specifications before installation.

Related reading

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1987ChevroletChevetteRearR-Line
1987PontiacAcadianRearR-Line
1987PontiacT1000RearR-Line
1986ChevroletChevetteRearR-Line
1986PontiacAcadianRearR-Line
1986PontiacT1000RearR-Line
1985ChevroletChevetteRearR-Line
1985PontiacAcadianRearR-Line
1985PontiacT1000RearR-Line
1984ChevroletChevetteRearR-Line
1984PontiacAcadianRearR-Line
1984PontiacT1000RearR-Line
1983ChevroletChevetteRearR-Line
1983PontiacAcadianRearR-Line
1983PontiacT1000RearR-Line
1982ChevroletChevetteRearR-Line
1982PontiacAcadianRearR-Line
1982PontiacT1000RearR-Line
1981ChevroletChevetteRearR-Line
1981PontiacAcadianRearR-Line
1981PontiacT1000RearR-Line
1980ChevroletChevetteRearR-Line
1980PontiacAcadianRearR-Line
1979ChevroletChevetteRearR-Line
1979PontiacAcadianRearR-Line
1978ChevroletChevetteRearR-Line
1978PontiacAcadianRearR-Line
1977ChevroletChevetteRearR-Line
1977PontiacAcadianRearR-Line
1976ChevroletChevetteRearR-Line
1976PontiacAcadianRearR-Line
Directly replaces or cross-references 45 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Airtex Fuel Pumps — 60337AMS Automotive — 6129Anchor — 8895AP Exhaust — 2089FEL-PRO — 60589Four Seasons — 1089RGates — 23002MAHLE — 4895Melling — BD58National — 19323-150114.7101.1052-6058981-6083288-36019122.62019123.62019177-303177-379219-2336788-3601910891089DGS11305207-371-5140341201950359552525019666005460108914020936AD8219AD8219EBD1045BD8895BD60337BD60589BD88950D1089D5089K1089X21616YH6103YH140341