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Engine & Performance

The Engine & Performance system is the core of your vehicle's productivity. We provide a massive selection of genuine overstock parts for Cummins, Caterpillar, Mack, and Volvo powerplants. This system covers everything from internal rotating assemblies to the high-tech sensors that manage combustion. By choosing authentic OEM components, you ensure your engine maintains its original horsepower, fuel efficiency, and emissions compliance.

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Genuine Cummins 4985660 Rectangular Seal Ring | Fits ISX15, QSX15, X15 | OEM New Old Stock
Genuine Cummins 4985660 Rectangular Seal Ring | Fits ISX15, QSX15, X15 | OEM New Old Stock

Genuine Cummins 4985660 Rectangular Seal Ring | Fits ISX15, QSX15, X15 | OEM New Old Stock

Regular price $8.96
Sale price $8.96 Regular price $17.90
Unit price
Maintain a leak-free seal with the Genuine Cummins 4985660 Rectangular Seal Ring. This authentic OEM...
Genuine Cummins 3803682 Fuel Injector Wiring Harness Kit | Fits N14, M11, L10 CELECT
Genuine Cummins 3803682 Fuel Injector Wiring Harness Kit | Fits N14, M11, L10 CELECT

Genuine Cummins 3803682 Fuel Injector Wiring Harness Kit | Fits N14, M11, L10 CELECT

Regular price $24.98
Sale price $24.98 Regular price $58.68
Unit price
Restore reliable injector timing and engine performance with this Genuine Cummins 3803682 Fuel Injector Wiring...
Genuine Cummins 2894827 Fuel Injector Supply Connector | ISX12, QSX15, X15 | EPA13 OEM
Genuine Cummins 2894827 Fuel Injector Supply Connector | ISX12, QSX15, X15 | EPA13 OEM

Genuine Cummins 2894827 Fuel Injector Supply Connector | ISX12, QSX15, X15 | EPA13 OEM

Regular price $77.87
Sale price $77.87 Regular price $107.37
Unit price
Ensure precise fuel delivery and high-pressure sealing with this Genuine Cummins 2894827 Fuel Injector Supply...
CAT C7 Fuel Injector Wiring Harness | Caterpillar 222-5917 | Fits 3126B, 3126E Engines
CAT C7 Fuel Injector Wiring Harness | Caterpillar 222-5917 | Fits 3126B, 3126E Engines

CAT C7 Fuel Injector Wiring Harness | Caterpillar 222-5917 | Fits 3126B, 3126E Engines

Regular price $42.63
Sale price $42.63 Regular price $95.00
Unit price
Eliminate engine misfires and restore reliable injector performance with this high-quality CAT C7 Fuel Injector...
Mack Accelerator Pedal Position Sensor 699-5501 | Fits MRU (2010-2016) | Replaces 21915482, 82734051
Mack Accelerator Pedal Position Sensor 699-5501 | Fits MRU (2010-2016) | Replaces 21915482, 82734051

Mack Accelerator Pedal Position Sensor 699-5501 | Fits MRU (2010-2016) | Replaces 21915482, 82734051

Regular price $74.96
Sale price $74.96 Regular price $217.12
Unit price
Restore smooth engine response and precise throttle control with this Genuine OEM Replacement Accelerator Pedal...
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
Restore proper belt tension and eliminate engine noise with this high-performance aftermarket Belt Tensioner. Engineered...
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 $0.00
Unit price
Black
Genuine CAT 5F-7054 Seal-O-Ring Caterpillar 5F7054 (2-Pack)SKU: B1GW2B11-7-112525Brand: CATCondition: New in original OEM package /...
Cummins 3026426 Aftercooler Gasket | Genuine K19 K38 K50 OEM
Cummins 3026426 Aftercooler Gasket | Genuine K19 K38 K50 OEM

Genuine Cummins 3026426 Aftercooler Flange Gasket - For K19, K38, K50, QSK19 Engine

Regular price $2.09
Sale price $2.09 Regular price
Unit price
Maintain peak performance and prevent boost leaks with the Genuine Cummins 3026426 Aftercooler Flange Gasket....
Genuine Cummins 4042573 Actuator Service Kit - Factory Sealed OEM - Made in USA
Genuine Cummins 4042573 Actuator Service Kit - Factory Sealed OEM - Made in USA

Genuine Cummins 4042573 Actuator Service Kit - Factory Sealed OEM - Made in USA

Regular price $459.86
Sale price $459.86 Regular price $893.00
Unit price
Restore your fuel system's precision with this Genuine Cummins 4042573 Actuator Service Kit. This is...
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
Ensure a leak-free seal with this Genuine Cummins 4896897 Accessory Drive Gasket. This high-quality OEM...
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
Description Keep your cooling system running at peak performance with this high-durability Silicone Coolant Hose...
WELLS-VEHICLE-ELECTRONICS-DR916-Distributor

WELLS-VEHICLE-ELECTRONICS-DR916-Distributor

Regular price $12.97
Sale price $12.97 Regular price $0.00
Unit price
WELLS-VEHICLE-ELECTRONICS-DR916-DistributorSKU: BBDR916Condition: New in original OEM package / New Old Stock (NOS) surplus. Packaging may...
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