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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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Air Exhaust Mixer OEM Cummins® ISX/QSX
Air Exhaust Mixer OEM Cummins® ISX/QSX

Genuine Cummins 5411604 Air Exhaust Mixer | ISX & QSX Engine Emissions | OEM New

Regular price $1,295.12
Sale price $1,295.12 Regular price $1,645.00
Unit price
Optimize Aftertreatment Performance with Genuine Cummins Engineering Maintain your emissions system's efficiency with the Genuine...
5398680 Genuine Cummins | TURBO OIL SUPPLY TUBE for ISC/ISL engines

5398680 Genuine Cummins | TURBO OIL SUPPLY TUBE for ISC/ISL engines

Regular price $59.36
Sale price $59.36 Regular price $0.00
Unit price
5398680 Genuine Cummins | TURBO OIL SUPPLY TUBE for ISC/ISL enginesSKU: FSPR2A11-23-031625Brand: CumminsCondition: New in...
5270051 Genuine Cummins Water Transfer Tube

5270051 Genuine Cummins Water Transfer Tube

Regular price $87.67
Sale price $87.67 Regular price $0.00
Unit price
5270051 Genuine Cummins Water Transfer TubeSKU: FSPR2A18-22-031525Brand: CumminsCondition: New in original OEM package / New...
5261563 Genuine Cummins Flexible Hose for ISB/QSB engines

5261563 Genuine Cummins Flexible Hose for ISB/QSB engines

Regular price $52.26
Sale price $52.26 Regular price $0.00
Unit price
5261563 Genuine Cummins Flexible Hose for ISB/QSB engines New in the original OEM Package BB Reference FSPR2A1-6-013126 
49X5X4 - 5/16 X 1/4 SAE45* Brass Flare Elbow

49X5X4 - 5/16 X 1/4 SAE45* Brass Flare Elbow

Regular price $8.39
Sale price $8.39 Regular price $0.00
Unit price
49X5X4 - 5/16 X 1/4 SAE45* Brass Flare ElbowSKU: BB49X5X4Condition: New in original OEM package...

4926017 Cummins Bearing Thrust

Regular price $18.96
Sale price $18.96 Regular price $0.00
Unit price
4926017 Cummins Bearing ThrustSKU: 4926017Brand: CumminsCondition: New in original OEM package / New Old Stock...
4921501 | Genuine OEM Cummins Turbo Boost Pressure Sensor N14 ISM ISX L10

4921501 | Genuine OEM Cummins Turbo Boost Pressure Sensor N14 ISM ISX L10

Regular price $24.78
Sale price $24.78 Regular price $0.00
Unit price
4921501 | Genuine OEM Cummins Turbo Boost Pressure Sensor N14 ISM ISX L10SKU: FSPR2A10-34-042525Brand: CumminsCondition:...
4921477 Cummins Temperature P.R.S. Sensor M11 Module

4921477 Cummins Temperature P.R.S. Sensor M11 Module

Regular price $159.63
Sale price $159.63 Regular price $0.00
Unit price
4921477 Cummins Temperature P.R.S. Sensor M11 ModuleSKU: FSPR2A24-22-072725Brand: CumminsCondition: New in original OEM package /...
4920106 Support Alternator Cummins

4920106 Support Alternator Cummins

Regular price $269.42
Sale price $269.42 Regular price $299.36
Unit price
4920106 Support Alternator CumminsSKU: FSPR2A-6-090623Brand: CumminsCondition: New in original OEM package / New Old Stock...
4389475 Cummins Air Fuel Mixer for EPA13 12 liter ISX/QSX engines

4389475 Cummins Air Fuel Mixer for EPA13 12 liter ISX/QSX engines

Regular price $1,178.39
Sale price $1,178.39 Regular price $1,386.34
Unit price
4389475 Cummins Air Fuel Mixer for EPA13 12 liter ISX/QSX enginesSKU: B1GW3B-1-012225Brand: CumminsCondition: New in...
4384382 Genuine OEM Cummins Oxygen Sensor ISX/QSX 15 Liter

4384382 Genuine OEM Cummins Oxygen Sensor ISX/QSX 15 Liter

Regular price $409.53
Sale price $409.53 Regular price $0.00
Unit price
4384382 Genuine OEM Cummins Oxygen Sensor ISX/QSX 15 LiterSKU: SB1C4C-20-031525Brand: CumminsCondition: New in original OEM...
Genuine Cummins 4384346 PRS Temperature Sensor OEM Box New Old Stock
Genuine Cummins 4384346 PRS Temperature Sensor OEM Box New Old Stock

Genuine Cummins 4384346 PRS Temperature Sensor | OEM Engine Pressure Sensor

Regular price $434.86
Sale price $434.86 Regular price $588.52
Unit price
Maintain precise engine timing and fuel efficiency with this Genuine Cummins 4384346 PRS Temperature Sensor....
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