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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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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...
Genuine Cummins 3103015 Grommet Seal | ISX QSX Engine Part
Genuine Cummins 3103015 Grommet Seal | ISX QSX Engine Part

3103015 Genuine Cummins Heavy Duty Engine Grommet Seal

Regular price $4.95
Sale price $4.95 Regular price $9.00
Unit price
Keep your commercial diesel engine running reliably with this Genuine Cummins 3103015 Grommet Seal. This...
Genuine Cummins 3027924 Connection Gasket (L10, M11, ISM)
Genuine Cummins 3027924 Connection Gasket (L10, M11, ISM)

Genuine Cummins 3027924 Connection Gasket (L10, M11, ISM)

Regular price $0.80
Sale price $0.80 Regular price $3.09
Unit price
Maximize your engine's reliability and prevent critical leaks with this Genuine Cummins 3027924 Connection Gasket....
Genuine Cummins 5264570 Oil Drain Gasket | Turbocharger Return Seal | Fits ISX15, QSX15, ISM
Genuine Cummins 5264570 Oil Drain Gasket | Turbocharger Return Seal | Fits ISX15, QSX15, ISM

Genuine Cummins 5264570 Oil Drain Gasket | Turbocharger Return Seal | Fits ISX15, QSX15, ISM

Regular price $3.95
Sale price $3.95 Regular price $8.47
Unit price
Eliminate pan-rail weepage and turbocharger return oil leaks with the Genuine Cummins 5264570 Oil Drain...
Genuine Cummins 3682064 Hex Flange Head Cap Screw | Fits ISX15, QSX15, ISX12 | Engine Bolt
Genuine Cummins 3682064 Hex Flange Head Cap Screw | Fits ISX15, QSX15, ISX12 | Engine Bolt

Genuine Cummins 3682064 Hex Flange Head Cap Screw | Fits ISX15, QSX15, ISX12 | Engine Bolt

Regular price $4.95
Sale price $4.95 Regular price $12.49
Unit price
Secure critical high-stress components with factory-level clamping force using the Genuine Cummins 3682064 Hex Flange...
Rig Force RF20550690 silicone charge air cooler hump hose for Volvo and Mack trucks.
Rig Force RF20550690 silicone charge air cooler hump hose for Volvo and Mack trucks.

Rig Force RF20550690 Charge Air Cooler (CAC) Hose | Fits Volvo D13 & Mack Engines | Replaces 20550690

Regular price $34.95
Sale price $34.95 Regular price $55.00
Unit price
Optimize boost performance and engine efficiency with this heavy-duty Charge Air Cooler (CAC) Hose. The...
Genuine Cummins Turbo-To-Manifold Gasket 3901356 | T3 Flange for 5.9L B-Series
Genuine Cummins Turbo-To-Manifold Gasket 3901356 | T3 Flange for 5.9L B-Series

Genuine Cummins Turbo-To-Manifold Gasket 3901356 | T3 Flange for 5.9L B-Series

Regular price $6.95
Sale price $6.95 Regular price $14.23
Unit price
Ensure a leak-free seal between your turbocharger and exhaust manifold with this Genuine Cummins 3901356...
Genuine Paccar 1876688 engine O-ring seal for MX-13 cooling systems.
Genuine Paccar 1876688 engine O-ring seal for MX-13 cooling systems.

Genuine Paccar 1876688 O-Ring Seal | Fits Paccar MX-13 Engines | MX13 Coolant Connection Seal

Regular price $8.67
Sale price $8.67 Regular price $15.71
Unit price
Maintain peak engine performance and prevent costly leaks with this Genuine Paccar O-Ring Seal. The...
Genuine International 2587324C1 Coolant Level Sensor Switch Assembly | Replaces 2028178C1 / NOS
Genuine International 2587324C1 Coolant Level Sensor Switch Assembly | Replaces 2028178C1 / NOS

Genuine International 2587324C1 Coolant Level Sensor Switch Assembly | Replaces 2028178C1 / NOS

Regular price $39.95
Sale price $39.95 Regular price $90.34
Unit price
Protect your engine from overheating with this Genuine OEM Navistar International Coolant Level Sensor. This...
Fafnir 207KDD Ball Bearing | 35mm x 72mm x 17mm | Double Shielded OEM New Old Stock
Fafnir 207KDD Ball Bearing | 35mm x 72mm x 17mm | Double Shielded OEM New Old Stock

Fafnir 207KDD Ball Bearing | 35mm x 72mm x 17mm | Double Shielded OEM New Old Stock

Regular price $19.96
Sale price $19.96 Regular price $32.99
Unit price
Ensure smooth mechanical operation with this high-precision Fafnir 207KDD Deep Groove Ball Bearing. Manufactured by...
Cummins # 3694910; Replaces PAI 121163. Primarily for EPA17 12L ISX/QSX Engines
Cummins # 3694910; Replaces PAI 121163. Primarily for EPA17 12L ISX/QSX Engines

Genuine Cummins 3694910 O-Ring Seal | Fits ISX12, QSX12 (EPA17) Engines | OEM New

Regular price $6.29
Sale price $6.29 Regular price $19.99
Unit price
Maintain peak engine reliability and prevent fluid leaks with the Genuine Cummins 3694910 O-Ring Seal....
Genuine Cummins 3697435 Multi-Purpose O-Ring Seal | Fits X12, ISG11, ISG12
Genuine Cummins 3697435 Multi-Purpose O-Ring Seal | Fits X12, ISG11, ISG12

Genuine Cummins 3697435 Multi-Purpose O-Ring Seal | Fits X12, ISG11, ISG12 | OEM New Old Stock

Regular price $9.91
Sale price $9.91 Regular price $25.99
Unit price
Maintain high-pressure system integrity with the Genuine Cummins 3697435 Multi-Purpose O-Ring Seal. This authentic OEM...
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