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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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Cummins P/N | 4918802 ECM Calibration Bench Test Harness
Cummins P/N | 4918802 ECM Calibration Bench Test Harness

Cummins 4918802 ECM Calibration Bench Test Harness OEM New Surplus

Regular price $198.77
Sale price $198.77 Regular price $283.96
Unit price
Cummins P/N | 4918802 ECM Calibration Bench Test Harness SKU: 103025-FSPR2A6-48 Brand: Cummins Part Number:...
Genuine Mack 4-Position Speed Control Switch
Genuine Mack 4-Position Speed Control Switch

Mack Genuine Speed Control Switch 4 Pos 4379-RD546941 | OEM New Old Stock

Regular price $23.74
Sale price $23.74 Regular price $29.67
Unit price
Restore your cabin's climate control with this Genuine Mack 4-Position Speed Control Switch. This authentic...
Genuine Cummins 3085185 Temperature Sensor | OEM Engine Sensor

Genuine Cummins 3085185 Temperature Sensor | OEM Engine Sensor

Regular price $21.96
Sale price $21.96 Regular price $62.27
Unit price
Genuine Cummins 3085185 Temperature Sensor | OEM Engine Sensor SKU: B1GW2B12-8-010226 Brand: Cummins Condition: New in original OEM package...
100-6241: Coupling-Shaft
100-6241: Coupling-Shaft

Genuine Caterpillar 100-6241 Shaft Coupling | OEM CAT Flexible Shaft Coupler (1006241)

Regular price $119.00
Sale price $119.00 Regular price $237.00
Unit price
Ensure smooth power transmission and protect your heavy equipment powertrain with this Genuine Caterpillar 100-6241...
3062154 OEM Genuine Cummins Corrosion Resistor Filter Head with OEM Package
3062154 OEM Genuine Cummins Corrosion Resistor Filter Head with OEM Package

3062154 OEM Genuine Cummins Corrosion Resistor Filter Head – New NOS Surplus

Regular price $345.62
Sale price $345.62 Regular price $429.00
Unit price
3062154 OEM Genuine Cummins Corrosion Resistor Filter Head Maintain peak engine cooling performance and protect...
Genuine Detroit 23515251 Series 60 Oil Temperature Sensor with OEM Package
Genuine Detroit 23515251 Series 60 Oil Temperature Sensor with OEM Package

Genuine Detroit 23515251 Series 60 Engine Oil & Coolant Temperature Sensor

Regular price $39.99
Sale price $39.99 Regular price $78.00
Unit price
Ensure precise engine monitoring and peak performance with this Genuine OEM Detroit 23515251 Temperature Sensor....
3007423C92 Fey Ring Kit
3007423C92 Fey Ring Kit

Genuine OEM International Navistar 3007423C92 Engine Exhaust Manifold Fey Ring Kit

Regular price $59.00
Sale price $59.00 Regular price $149.00
Unit price
Ensure optimal exhaust seal and peak engine efficiency with this genuine OEM Navistar International Fey...
International 3007666C92 EGR Cold Side Tubes Gasket

International 3007666C92 EGR Cold Side Tubes Gasket

Regular price $39.99
Sale price $39.99 Regular price $49.99
Unit price
Ensure a proper seal and maintain your commercial truck's peak performance with this genuine International...
Genuine Navistar International 3559213C2 Fitting

Genuine Navistar International 3559213C2 90-Degree Voss Fuel Line Outlet Fitting

Regular price $34.99
Sale price $34.99 Regular price $73.00
Unit price
Keep your commercial fleet running efficiently and leak-free with this Genuine Navistar International 3559213C2 90-Degree...
Genuine Caterpillar 5K-1787 CAT O-Ring Seal (5.33 x 183.52mm 75A NBR)
Genuine Caterpillar 5K-1787 CAT O-Ring Seal (5.33 x 183.52mm 75A NBR)

Genuine Caterpillar 5K-1787 CAT O-Ring Seal (5.33 x 183.52mm 75A NBR)

Regular price $6.95
Sale price $6.95 Regular price $9.99
Unit price
Genuine Caterpillar (CAT) 5K-1787 O-Ring Seal Ensure a fluid-tight connection and prevent high-pressure leaks in...
Genuine International Navistar 598860C1 Air System Low-Pressure Switch with OEM Package
Genuine International Navistar 598860C1 Air System Low-Pressure Switch with OEM Package

Genuine International Navistar 598860C1 Air System Low-Pressure Switch

Regular price $34.95
Sale price $34.95 Regular price $49.99
Unit price
Maintain the safety and compliance of your commercial vehicle's pneumatic network with this Genuine International...
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
Reliable Engine Protection for Your Heavy-Duty Fleet Ensure your engine's longevity with this Genuine OEM...
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