Name: Rear Brake Drum — 1988–1998 Chevy/GMC OBS Truck
Brand: ACDelco

Rear Brake Drum

🛠 Fits: 1988-1998 C/K 1500 & 2500 (rear)

Rear brake drum — all C/K 1500/2500 use rear drum brakes

18B218ACDelco (OEM)

9742RRaybestos

BD180001DuraGo

122.66004Centric

📝 Drum diameter: 11.15" (standard). C2500 may use larger drums. Replace in pairs.

⚠️ Verify before buying. Fitment varies by year, engine (4.3/5.0/5.7/7.4/6.5) and 2WD/4WD. Confirm against your VIN/build before ordering.

Rear Brake Drum verify

Join the Garage