1981 GMC C3500 Rear Drum Brake Shoe Set R451, 1 Set, With 13" X 2-1/2" Brakes, Vehicle-Specific Brake Replacement with Handy Drum Measurement and Application Review

R451 drum brake shoe set for everyday brake service
✔️ 1 set, rear position, drum size and hardware fit check

This listing includes 1 set of R451 drum brake shoe set for the rear brakes on a 1981 GMC C3500. The application notes call out with 13" X 2-1/2" Brakes. This handy replacement is typically used for routine brake repair or restoration when the vehicle, axle position, brake dimensions, and hardware match.

✅ Part number: R451
✅ Set di ganasce per freni a tamburo Type:
✅ Pack size: 1 set
✅ Vehicle year: 1981
✅ Car make: GMC
✅ Car model: C3500
✅ Posizione del freno: posteriore
✅ Fitment note: with 13" X 2-1/2" Brakes
✅ Riferimento incrociato verificato: 451
✅ Peso dell'articolo: dati non disponibili

💡 How can a home mechanic confirm drum brake shoe fit using front or rear application data before installing new brake hardware? A correct match helps the shoes contact the drum evenly and keeps the brake hardware working the way it should.
- Confirm the year, make, model, front or rear position, and drum diameter
- Compare shoe width, radius, friction material, and spring hardware
- Verify cross-reference numbers and inspect drums and wheel cylinders

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