Raybestos 2547R Brake Drum - Rear
OE Quality 60-Day Returns
Raybestos
 R-Line

Raybestos 2547R Brake Drum - Rear

Brand Raybestos 2547R
Position Rear
Depth 3.860
Depth 98.050
Nominal Drum Diameter 0.515
Nominal Drum Diameter 13.100
Outer Cooling Fins Yes
Outside Diameter 0.635
Outside Diameter 16.150
Stud/Lug Hole Diameter 0.617
Stud/Lug Hole Diameter 15.650
Stud/Lug Hole Quantity 8
Product line R-Line
Fits Chevrolet and GMC · 16 vehicles

Cooling fins. Help dissipate heat for more consistent braking performance.

Brake drum. Provides the friction surface for dependable drum brake operation.

R-Line. Raybestos line focused on dependable replacement parts.

Cross-references Anchor 2547, Anchor 8083 and Anchor 8971 for the same application. See all 34.

$267.57Free shipping
Out of stock
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

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 $267.57
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 Brake Drum 2547R

The Raybestos R-Line 2547R brake drum is built for rear brake service on select Chevrolet and GMC heavy-duty trucks. It is a 13.100 in nominal drum diameter unit with a 16.150 in outside diameter, 3.860 in depth, and outer cooling fins for improved heat management in demanding stop-and-go use.

Compatible With 1988-1990 Chevrolet C3500, Rear; 1988-1990 Chevrolet K3500, Rear; 1990 Chevrolet C2500, Rear; 1990 Chevrolet K2500, Rear; 1988-1990 GMC C3500, Rear; 1988-1990 GMC K3500, Rear; 1990 GMC C2500, Rear; and 1990 GMC K2500, Rear. This part number, 2547R, is also cross-referenced under Anchor 2547 for the same application.

Key Features

  • Raybestos R-Line brake drum for rear axle service
  • Nominal drum diameter: 13.100 in
  • Outside diameter: 16.150 in
  • Depth: 3.860 in
  • Outer cooling fins: Yes
  • 8 stud/lug holes with 15.650 mm lug hole diameter

Detailed Description

The Raybestos 2547R is a rear brake drum engineered for heavy-duty Chevrolet C2500, C3500, K2500, K3500, and matching GMC applications listed above. The R-Line product line focuses on service replacement parts for everyday repair work, and this drum follows the listed dimensions and mounting pattern needed for the specified 13-inch rear brake setups. The 8-lug design and cooling-fin construction support consistent brake drum performance in vehicles that see frequent load and stop cycles.

Use 2547R when replacing a worn or heat-affected rear drum on 1988-1990 Chevrolet and GMC C3500/K3500 models, or on 1990 C2500/K2500 trucks with the listed brake configurations. The part number 2547R also appears in interchange listings for related aftermarket references, including Anchor 2547.

What This Brake Drum Helps Address

  • Rear brake pulsation caused by drum wear or scoring
  • Reduced braking consistency from heat checking or drum distortion
  • Brake noise related to an out-of-spec drum surface
  • Service issues on 13-inch rear drum brake systems
  • Fitment problems when the original drum no longer matches the listed dimensions

Installation Notes and Tips

Verify rear axle brake configuration, drum diameter, depth, and lug pattern before installation. This brake drum is listed for rear position only and is tied to specific 1988-1990 Chevrolet and GMC truck brake packages, including 13 in brake applications and the noted wide-drum configurations. Confirm the vehicle’s brake setup against the fitment notes for C2500, C3500, K2500, and K3500 models before ordering.

Quality Assurance

Raybestos is a recognized brake parts brand, and the R-Line is positioned as a service replacement line for routine brake maintenance. This product is identified by part number 2547R and supported by published dimensional and fitment data for the listed Chevrolet and GMC applications.

Related reading

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1990ChevroletC2500Rearwith 5-1/4in Wide Drums; with 13 IN Brakes; R-Line
1990ChevroletC3500Rearwith 13 IN x 2-1/2 IN Brakes; RPO Y10 Or Y11 10.5in Ring Gear; without Dual Rear Wheels; R-Line
1990ChevroletK2500Rearwith 5-1/4in Wide Drums; with 13 IN Brakes; R-Line
1990ChevroletK3500Rearwith 13 IN x 2-1/2 IN Brakes; RPO Y10 Or Y11 10.5in Ring Gear; without Dual Rear Wheels; R-Line
1990GMCC2500Rearwith 5-1/4in Wide Drums; with 13 IN Brakes; R-Line
1990GMCC3500Rearwith 13 IN x 2-1/2 IN Brakes; RPO Y10 Or Y11 10.5in Ring Gear; without Dual Rear Wheels; R-Line
1990GMCK2500Rearwith 5-1/4in Wide Drums; with 13 IN Brakes; R-Line
1990GMCK3500Rearwith 13 IN x 2-1/2 IN Brakes; RPO Y10 Or Y11 10.5in Ring Gear; without Dual Rear Wheels; R-Line
1989ChevroletC3500Rearwith 5-1/4in Wide Drums; without Dual Rear Wheels; R-Line
1989ChevroletK3500Rearwith 5-1/4in Wide Drums; without Dual Rear Wheels; R-Line
1989GMCC3500Rearwith 5-1/4in Wide Drums; without Dual Rear Wheels; R-Line
1989GMCK3500Rearwith 5-1/4in Wide Drums; without Dual Rear Wheels; R-Line
1988ChevroletC3500Rearwith 5-1/4in Wide Drums; without Dual Rear Wheels; R-Line
1988ChevroletK3500Rearwith 5-1/4in Wide Drums; without Dual Rear Wheels; R-Line
1988GMCC3500Rearwith 5-1/4in Wide Drums; without Dual Rear Wheels; R-Line
1988GMCK3500Rearwith 5-1/4in Wide Drums; without Dual Rear Wheels; R-Line
Directly replaces or cross-references 34 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2547Anchor — 8083Anchor — 8971Centric Parts — 123.66019Raybestos Brakes — 2547R88-44019122.66019177-3392547DGS8971C61891140536201004201711212330-C525134666904460850015583114AD8619AD8619EBD307BD1527BD61891BD89710C10-985CD8103D9341E-8386G2547R448386R44140536X21706YH140536