BB Overstock Commercial Vehicle Parts

Commercial Vehicle Parts – OEM Surplus & Overstock

Dealer markups and long lead times shouldn't get in the way of keeping your trucks running. BB Overstock Parts stocks genuine surplus and overstock OEM parts for commercial trucks — semi trucks, vocational trucks, and heavy-duty fleet vehicles — from brands like Freightliner, Cummins, Volvo, Mack, International/Navistar, Kenworth, and Peterbilt.

Every part in our commercial vehicle inventory is genuine OEM or verified surplus — not remanufactured, not aftermarket unless clearly marked. Whether you're a fleet maintenance manager, an independent repair shop, or a truck owner working on your own rig, you'll find the parts you need here at prices that make sense.

Inventory is limited and constantly changing. When a part is gone, it may not come back. If you need help with a part number, cross-reference, or fitment question before ordering, reach out — our team knows these parts.

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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
KN20561X Hand Valve Midland

KN20561X Hand Valve Midland

Regular price $167.43
Sale price $167.43 Regular price $0.00
Unit price
3046574 | Genuine Cummins C-Brake Engine Brake Solenoid Valve

3046574 | Genuine Cummins C-Brake Engine Brake Solenoid Valve

Regular price $296.62
Sale price $296.62 Regular price $0.00
Unit price
277142 Rebuild Kit

277142 Rebuild Kit

Regular price $8.68
Sale price $8.68 Regular price $0.00
Unit price
3607384C1 Relay International

3607384C1 Relay International

Regular price $15.96
Sale price $15.96 Regular price $0.00
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
Low water alarm with KYOCERA and Cadillac branding on a white background
Low water alarm with KYOCERA and Cadillac branding on a white background

Navistar International 429439C91 Low Water Alarm Automatic Override Switch (Genuine OEM)

Regular price $159.97
Sale price $159.97 Regular price $213.00
Unit price
4920106 Support Alternator Cummins

4920106 Support Alternator Cummins

Regular price $269.42
Sale price $269.42 Regular price $299.36
Unit price
VOE3943424 Fuel Bowl Volvo Original Equipment

VOE3943424 Fuel Bowl Volvo Original Equipment

Regular price $185.72
Sale price $185.72 Regular price $206.36
Unit price
CP125506 R1 Sauer Danfoss Flow Control Valve

CP125506 R1 Sauer Danfoss Flow Control Valve

Regular price $167.96
Sale price $167.96 Regular price $0.00
Unit price
E9195902 Seal Euclid Hitachi 416383 National

E9195902 Seal Euclid Hitachi 416383 National

Regular price $264.26
Sale price $264.26 Regular price $293.62
Unit price
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