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Raybestos 2005R Brake Drum - Front or Rear
| Brand | Raybestos 2005R |
|---|---|
| Position | Rear |
| Depth | 2.400 |
| Depth | 60.950 |
| Nominal Drum Diameter | 0.435 |
| Nominal Drum Diameter | 11.050 |
| Outer Cooling Fins | No |
| Outside Diameter | 0.487 |
| Outside Diameter | 12.400 |
| Stud/Lug Hole Diameter | 0.448 |
| Stud/Lug Hole Diameter | 11.400 |
| Stud/Lug Hole Quantity | 6 |
| Product line | R-Line |
| Fits | Workhorse, Chevrolet, and GMC · 10 vehicles |
Brake drum replacement. Built for dependable stopping performance and consistent fit.
R-Line quality. Raybestos engineering delivers a trusted aftermarket brake solution.
Cross-references Anchor 8106, BENDIX PREMIUM BRAKE SHOES 588 and Bosch 3979 for the same application. See all 52.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Raybestos R-Line Brake Drum 2005R
The Raybestos R-Line 2005R brake drum is built for direct replacement service on select Chevrolet and GMC applications. With a 12.400-inch outside diameter, 2.400-inch depth, and 11.050-inch nominal drum diameter, it supports consistent rear or front drum brake service where the original drum matches these dimensions.
Key Features
- Raybestos R-Line brake drum, part number 2005R
- 12.400-inch outside diameter and 2.400-inch depth
- 11.050-inch nominal drum diameter
- 6 stud/lug holes with 11.400 mm lug hole diameter
- Non-finned design with no outer cooling fins
- Direct-fit replacement for select front and rear drum brake applications
Product Details
The R-Line product line focuses on service replacement brake components for everyday repair work. This brake drum is sized for vehicles using an 11-inch drum brake setup, including select 1963 GMC G1000 Series, 1969-1970 Chevrolet Blazer, 1970 GMC Jimmy, and 1970 GMC G15/G1500 Van applications. Raybestos 2005R is also cross-referenced to Monroe Shocks & Struts 172286 for the same application.
Use this drum when replacing a worn, scored, or out-of-round drum on drum brake systems that require the listed dimensions and 6-lug pattern. The Raybestos 2005R helps restore proper shoe contact surface geometry for service on Chevrolet Blazer and GMC Jimmy drum brake setups, as well as select GMC van and truck applications.
What This Brake Drum Helps Address
- Brake pulsation caused by an uneven drum surface
- Reduced braking performance from drum wear or scoring
- Noise from drum-to-shoe contact irregularities
- Out-of-spec drum dimensions during brake service
- Restoration of proper drum brake contact on select Chevrolet and GMC vehicles
Installation Notes and Tips
Verify drum diameter, depth, lug hole count, and brake shoe size before installation. Confirm whether the vehicle uses the front or rear position listed in the fitment data, and inspect brake shoes, wheel cylinders, and hardware for wear before reassembly. For 1970 GMC G15/G1500 Van applications, note the compatibility requirement for an 11-inch drum brake shoe hold down spring and bleeder screw. For 1963 GMC G1000 Series applications, the listing specifies non-finned drum use with 11 in x 2 in brakes.
- Fits 1963 GMC G1000 Series, front
- Fits 1963 GMC G1000 Series, rear
- Fits 1969-1970 Chevrolet Blazer, front
- Fits 1969-1970 Chevrolet Blazer, rear
- Fits 1970 GMC G15/G1500 Van, front
- Fits 1970 GMC G15/G1500 Van, rear
- Fits 1970 GMC Jimmy, front
- Fits 1970 GMC Jimmy, rear
Quality Assurance
Raybestos is a recognized brake parts brand with the R-Line serving as its service replacement line for common repair applications. This brake drum is manufactured to match the listed dimensional and fitment requirements for select Chevrolet and GMC drum brake systems.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1970 | Chevrolet | Blazer | RWD | Front | R-Line |
| 1970 | Chevrolet | Blazer | — | Rear | R-Line |
| 1970 | GMC | G15/G1500 Van | — | Front | Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line |
| 1970 | GMC | G15/G1500 Van | — | Rear | Compatibility with 11 inch drum brake shoe hold down spring and bleeder screw.; R-Line |
| 1970 | GMC | Jimmy | RWD | Front | R-Line |
| 1970 | GMC | Jimmy | — | Rear | R-Line |
| 1969 | Chevrolet | Blazer | RWD | Front | R-Line |
| 1969 | Chevrolet | Blazer | — | Rear | R-Line |
| 1963 | GMC | G1000 Series | — | Front | with Non-Finned Drum; with 11 IN x 2 IN Brakes; R-Line |
| 1963 | GMC | G1000 Series | — | Rear | R-Line |
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