Heavy-Duty Diesel Engine Parts for Sale | Cummins, Caterpillar, Detroit Diesel, and More

Aftermarket Parts for Cummins, Caterpillar, Detroit Diesel and Many More

At Highway & Heavy Parts, we specialize in providing top-quality parts for big trucks and agricultural equipment, featuring industry-leading brands like Cummins, Caterpillar, and Detroit Diesel. Whether you’re looking for complete engine rebuild kits, fuel injectors, turbochargers, or gaskets, we have everything you need to keep your diesel engine running at peak performance.

Premium Diesel Engine Parts for Big Trucks & Agriculture

We know that downtime is costly. That’s why we offer high-quality, OEM-spec aftermarket parts designed to meet or exceed manufacturer standards. Our extensive inventory ensures you get the right part quickly, helping you stay on the road or in the field with confidence. A few of the major diesel manufacturers which we produce and distribute replacement parts for are Cummins, Caterpillar, and Detroit Diesel. Check out some of the aftermarket diesel parts we carry for these big trucks and agricultural equipment.

Cummins Diesel Engine Parts

From the reliable Cummins ISX to the hardworking 5.9L and 6.7L engines, we provide:

Engine rebuild kits
Fuel injectors & pumps
Turbochargers
Cylinder heads & gaskets

Caterpillar Diesel Engine Parts

Caterpillar engines power some of the toughest machines on the road and in agriculture. We stock parts for C15, 3406, 3126, and other popular CAT engines, including:

Overhaul kits
Turbochargers
Cylinder heads
Oil pumps & more

Detroit Diesel Engine Parts

Detroit Diesel engines are built for power and durability. Whether you have a Series 60, DD13, DD15, or DD16, we have the parts to keep it running strong:

Engine rebuild kits
Fuel injectors
Camshafts & lifters
Turbochargers

Why Choose Highway & Heavy Parts?

Quality You Can Trust – We source premium aftermarket and OEM-spec parts.
Fast & Reliable Shipping – Get your parts when you need them.
Expert Support – Our ASE-certified diesel technicians are here to help you find the right part.
Competitive Pricing – Get high-performance parts without breaking the bank.

Get back on the road or in the field with confidence! Browse our selection of Cummins, Caterpillar, and Detroit Diesel engine parts today. If you have any questions, contact our expert team for personalized support!

Shop Heavy-Duty Diesel Engine Parts

Cummins 6B 5.9L Main Engine Bearing Set, New (3802071)

Cummins 6B 5.9L O-Ring Plug, New (3678923)

Cummins 6B 5.9L Oil Cooler Gasket Kit, New (3977913)

Cummins 6B 5.9L Oil Cooler Pressure Relief Spring, New (3918427)

Cummins 6B 5.9L Oil Cooler Pressure Relief Spring, New (3918427)

Cummins 6B 5.9L Oil Pan Gasket, New (3959052)

Cummins 6B 5.9L Oil Pan, New (3915703)

Cummins 6B 5.9L Over Haul Engine Rebuild Kit, New (COK2060)

Cummins 6B 5.9L Piston Body, New (3912050)

Cummins 6B 5.9L Piston Kit, New (3802066)

Cummins 6B 5.9L Piston Kit, New (3802174)

Cummins 6B 5.9L Piston Kit, New (3802488)