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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Volvo Master Power Window Switch 21543897 | Fits VNL, VN, FM, FH (2004-2012)
Volvo Master Power Window Switch 21543897 | Fits VNL, VN, FM, FH (2004-2012)
Volvo D11 D13 Belt Tensioner 23669027 | Fits VNL VNM VHD VAH | Aftermarket Replacement
Volvo D11 D13 Belt Tensioner 23669027 | Fits VNL VNM VHD VAH | Aftermarket Replacement

Volvo D11 D13 Belt Tensioner 23669027 | Fits VNL VNM VHD VAH | Aftermarket Replacement

Regular price $52.96
Sale price $52.96 Regular price
Unit price
Genuine CAT 5F-7054 Seal O-Ring Caterpillar 5F7054 (2-Pack)

Genuine CAT 5F-7054 Seal O-Ring Caterpillar 5F7054 (2-Pack)

Regular price $9.82
Sale price $9.82 Regular price $14.68
Unit price
Genuine Cummins 4896897 Accessory Drive Gasket - For ISB, QSB, and 6BT Engines
Genuine Cummins 4896897 Accessory Drive Gasket - For ISB, QSB, and 6BT Engines

Genuine Cummins 4896897 Accessory Drive Gasket - For ISB, QSB, and 6BT Engines

Regular price $26.68
Sale price $26.68 Regular price $54.19
Unit price
1854331 Paccar Sealing Rubber for Oil Sump
1854331 Paccar Sealing Rubber for Oil Sump

Genuine Paccar 1854331 Rubber Oil Sump Separator Seal - For MX13 Kenworth & Peterbilt

Regular price $23.96
Sale price $23.96 Regular price $45.90
Unit price
Peterbilt_KenworthF50-630828359SiliconeHose
Peterbilt_KenworthF50-630828359SiliconeHose

Silicone Coolant Hose with Clamps - Fits PACCAR, Peterbilt, Kenworth (Replaces F50-6308, 28359)

Regular price $20.96
Sale price $20.96 Regular price $35.68
Unit price
Mack Genuine Temperature Sensor 64MT2103
Mack Genuine Temperature Sensor 64MT2103

Mack Genuine Temperature Sensor 64MT2103 | Engine Coolant & Oil | OEM New Old Stock

Regular price $17.38
Sale price $17.38 Regular price $36.09
Unit price
Mack Genuine Ball Joint 671AM1 | 3/4"-16 Thread | OEM New Old Stock
Mack Genuine Ball Joint 671AM1 | 3/4"-16 Thread | OEM New Old Stock

Mack Genuine Ball Joint 671AM1 | 3/4"-16 Thread | OEM New Old Stock

Regular price $56.56
Sale price $56.56 Regular price $73.50
Unit price
Genuine Cummins 4954574 exhaust gas temperature sensor with 2-pin connector and M12 threads.
Genuine Cummins 4954574 exhaust gas temperature sensor with 2-pin connector and M12 threads.

Genuine Cummins 4954574 Exhaust Gas Temperature (EGT) Sensor | EPA07 2.8L ISF/QSF, ISM, M11

Regular price $79.98
Sale price $79.98 Regular price $216.56
Unit price
Detroit Diesel 23532797 Oil Pressure Sensor OEM | 1/4" NPT
Detroit Diesel 23532797 Oil Pressure Sensor OEM | 1/4" NPT

Detroit Diesel 23532797 Oil Pressure Sensor OEM | 1/4" NPT | For Series 50 & 60 Engines

Regular price $49.63
Sale price $49.63 Regular price $104.23
Unit price
1/4 Brass Pipe Cross

1/4 Brass Pipe Cross

Regular price $14.87
Sale price $14.87 Regular price $0.00
Unit price

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
Unit price
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