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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1/4-inch-Brass-Flare-Nut

1/4-inch-Brass-Flare-Nut

Regular price $7.97
Sale price $7.97 Regular price $0.00
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1/4"T x 3/8" M.P.T., D.O.T. Brass 90 deg. Push Connect Fitting

Regular price $9.99
Sale price $9.99 Regular price $0.00
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1/4 Brass Pipe Cross

1/4 Brass Pipe Cross

Regular price $14.87
Sale price $14.87 Regular price $0.00
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1/2"-13 x 2-1/2" Grade 2 Zinc Plated UNC (Coarse) Hex Head Cap Screws, 10 p

1/2"-13 x 2-1/2" Grade 2 Zinc Plated UNC (Coarse) Hex Head Cap Screws, 10 p

Regular price $16.86
Sale price $16.86 Regular price $0.00
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03-05915 U-Bolt Genuine Peterbilt Spring-Eye Replacement

03-05915 U-Bolt Genuine Peterbilt Spring-Eye Replacement

Regular price $24.62
Sale price $24.62 Regular price $0.00
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02022117 Modulator Valve Control Rockford Powertrain

02022117 Modulator Valve Control Rockford Powertrain

Regular price $99.74
Sale price $99.74 Regular price $0.00
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010-2571: 1/4-20" Threaded Hex Socket Setscrew CAT 6 pk

010-2571: 1/4-20" Threaded Hex Socket Setscrew CAT 6 pk

Regular price $9.96
Sale price $9.96 Regular price $0.00
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#64 All Stainless Steel Worm Gear HD Hose Clamp 2 Pack

#64 All Stainless Steel Worm Gear HD Hose Clamp 2 Pack

Regular price $9.98
Sale price $9.98 Regular price $0.00
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#52 All Stainless Steel Worm Gear HD Hose Clamp 2 Pack

#52 All Stainless Steel Worm Gear HD Hose Clamp 2 Pack

Regular price $9.96
Sale price $9.96 Regular price $0.00
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