ACDelco 18B277A | Rear Brake Drum
Part Number
18B277A
Special Price $143.99 Regular Price $159.99
Out of stock
Description
ACDelco Advantage Brake Drums are constructed with G3000 material for maximum service life. They are validated for balance to provide better braking performance. Chamfer angle, vane configuration, and plate thickness all follow the OE design. Also, no machining is required. ACDelco Advantage Brake Drums are ready to be installed right out of the box.
Features
- Mill-balanced for proper rotor function, no extra weights are needed
- Drums are inspected for balance; resulting in smooth brake operation and noise reduction
- Quality validated for proper metallurgy and correct brake plate thickness
- Non-directional brake surface finish for consistent braking
Specifications
| Bolt Circle Diameter (in): | 6.5 |
| Bolt Circle Diameter (mm): | 165.1 |
| Bolt Hole Quantity: | 8 |
| Brake Surface Finish: | Directional |
| Center Bore Diameter (in): | 4.8 in |
| Center Bore Diameter (mm): | 121.9 mm |
| Cooling Fins: | Yes |
| Depth: | 108.2 |
| Depth: | 4.260 |
| Height (in): | 9 |
| Includes ABS Sensor Ring: | No |
| Length (in): | 17.3 |
| Material: | Cast Iron |
| Maximum Brake Diameter (Discard): | 13.09 |
| Maximum Brake Diameter (Discard): | 332.49 |
| Mount Hole Diameter (in): | 0.619 in |
| Mount Hole Diameter (mm): | 15.723 mm |
| Nominal Brake Drum Diameter (in): | 13 in |
| Nominal Brake Drum Diameter (mm): | 330.2 mm |
| Nominal Drum Diameter: | 0.515 |
| Nominal Drum Diameter: | 13.1 |
| Outer Cooling Fins: | Yes |
| Outside Diameter: | 0.648 |
| Outside Diameter: | 16.450 |
| Programming Required: | No |
| Stud/Lug Hole Diameter: | 0.611 |
| Stud/Lug Hole Diameter: | 15.5 |
| Stud/Lug Hole Quantity: | 8 |
| Weight: | 57 |
| Width (in): | 17.3 |
Fitment
- 1992-1999 Chevrolet C2500 Suburban | Position: Rear | Note: with 13 IN x 3-1/2 IN Brakes
- 1992-1997 Chevrolet C3500 | Position: Rear | Note: with 9000 LB & 9200 LB GVW
- 1992-1999 Chevrolet K2500 Suburban | Position: Rear | Note: with 13 IN x 3-1/2 IN Brakes
- 1992-2000 Chevrolet K3500 | Position: Rear | Note: with 9000 LB & 9200 LB GVW
- 1992-1998 Chevrolet K3500 | Position: Rear | Note: with 9200lb GVW
- 1992-1999 GMC C2500 Suburban | Position: Rear | Note: with 13 IN x 3-1/2 IN Brakes
- 1992-1997 GMC C3500 | Position: Rear | Note: with 9000 LB & 9200 LB GVW
- 1992-1999 GMC K2500 Suburban | Position: Rear | Note: with 13 IN x 3-1/2 IN Brakes
- 1992-2000 GMC K3500 | Position: Rear | Note: with 9000 LB & 9200 LB GVW
- 1992-2000 GMC K3500 | Position: Rear | Note: with 9200lb GVW
- 1996-2002 Chevrolet Express 2500 | Position: Rear | Note: with Hydraulic Brake System with 13 IN x 3-1/2 IN Brakes with 8 Lug Wheels
- 1996-2002 Chevrolet Express 3500 | Position: Rear
- 1996 Chevrolet Express 3500 | Position: Rear | Note: with Single Rear Wheels (SRW) with 13 IN Brakes
- 1996 Chevrolet G30 | Position: Rear | Note: without Dual Rear Wheels with 13 IN Brakes
- 1996 GMC G3500 | Position: Rear | Note: without Dual Rear Wheels with 13 IN Brakes
- 1996-2002 GMC Savana 2500 | Position: Rear | Note: with Hydraulic Brake System with 13 IN x 3-1/2 IN Brakes with 8 Lug Wheels
- 1996-2002 GMC Savana 3500 | Position: Rear | Note: with Single Rear Wheels (SRW)
- 1998 Chevrolet Express 3500 | Position: Rear | Note: with Single Rear Wheels (SRW) with 13 IN Brakes
- 1997 Chevrolet Express 3500 | Position: Rear | Note: with Single Rear Wheels (SRW)
- 1998-2000 Chevrolet C3500 | Position: Rear | Note: without Dual Rear Wheels
- 2000 Chevrolet Express 3500 | Position: Rear | Note: with Single Rear Wheels (SRW) with 13 IN Brakes
- 1999 Chevrolet Express 3500 | Position: Rear | Note: with Single Rear Wheels (SRW)
- 1998-2000 GMC C3500 | Position: Rear | Note: without Dual Rear Wheels
- 2002 Chevrolet Express 3500 | Position: Rear | Note: with Single Rear Wheels (SRW) with 13 IN Brakes
- 2001 Chevrolet Express 3500 | Position: Rear | Note: with Single Rear Wheels (SRW)
Customer Questions
Compatible Vehicles
Year
Make
Model
Engine