Genuine OEM Semi Truck Parts | Cummins, Volvo, Mack | BB Overstock

Genuine OEM Semi Truck Parts | Cummins, Volvo, Mack | BB Overstock

Keep your fleet moving and minimize costly downtime with our premium collection of Genuine OEM Semi Truck Parts. We specialize in high-quality, authentic overstock and surplus components from the commercial trucking industry's most trusted manufacturers. Avoid the high dealer markups while ensuring your heavy-duty rigs get exact factory-spec replacements.

Shop by Trusted Commercial Brands:

  • Cummins: High-precision engine sensors, fuel system components, and reliable sealing rings.
  • Volvo & Mack: Direct-fit electrical rocker switches, HVAC compressors, and rugged steering yokes.
  • Bendix: Industry-standard air brake valves, automatic reservoir drain valves, and foot valves.
  • Paccar & Caterpillar: Specialized engine brake solenoids, exhaust hardware, and heavy-duty components.

Whether you manage a multi-vehicle commercial fleet or operate as an independent owner-operator, find the genuine parts you need to secure vocational uptime—ready to ship at unbeatable surplus prices.

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3016780 Cummins Lower Bearing Main

3016780 Cummins Lower Bearing Main

Regular price $20.87
Sale price $20.87 Regular price $0.00
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3010050 Cummins Oil Cooler Gasket

3010050 Cummins Oil Cooler Gasket

Regular price $11.23
Sale price $11.23 Regular price $0.00
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3/8-16x 2 Grade 8 Hex Head Cap Screws LE 5 Pack Coarse

3/8-16x 2 Grade 8 Hex Head Cap Screws LE 5 Pack Coarse

Regular price $8.78
Sale price $8.78 Regular price $0.00
Unit price

3/8" SS Body Exhaust Muffler

Regular price $11.93
Sale price $11.93 Regular price $0.00
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29384 Chicago Rawhide Oil Seal CR

29384 Chicago Rawhide Oil Seal CR

Regular price $23.56
Sale price $23.56 Regular price $0.00
Unit price
29184 SKF Oil Seal

29184 SKF Oil Seal

Regular price $20.96
Sale price $20.96 Regular price $0.00
Unit price
2891938 Hose Flexible Genuine OEM Cummins

2891938 Hose Flexible Genuine OEM Cummins

Regular price $147.56
Sale price $147.56 Regular price $163.96
Unit price
289145 Bendix LQ4FR AX Ratio Valve

289145 Bendix LQ4FR AX Ratio Valve

Regular price $48.99
Sale price $48.99 Regular price $0.00
Unit price
289144 Bendix LQ4FR AX Front Ratio Valve

289144 Bendix LQ4FR AX Front Ratio Valve

Regular price $79.87
Sale price $79.87 Regular price $0.00
Unit price

2888088 Cummins Tube Formed Line

Regular price $152.37
Sale price $152.37 Regular price $0.00
Unit price
288605R TP-5 Tractor Protection Valve Bendix (Remanufactured)

288605R TP-5 Tractor Protection Valve Bendix (Remanufactured)

Regular price $125.23
Sale price $125.23 Regular price $0.00
Unit price
288239X Trailer Brake Supply Valve PP-7 Sply 288239

288239X Trailer Brake Supply Valve PP-7 Sply 288239

Regular price $64.23
Sale price $64.23 Regular price $71.37
Unit price
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