1. What are the signs that my Cummins ISX engine needs a valve camshaft replacement?

Signs include a sudden engine knock, a drop in engine performance, and reduced horsepower, which could be up to 20% lower than when using a new camshaft.

2. Why is the valve camshaft critical for my Cummins ISX engine?

The valve camshaft controls the timing of the engine’s valve system, directly impacting engine performance, power, and fuel efficiency. A worn camshaft can reduce horsepower and engine efficiency.

3. How does replacing the valve camshaft improve my Cummins ISX engine's performance?

Replacing a worn camshaft restores optimal engine timing, improving horsepower, increasing power output, and boosting overall engine performance.

4. What makes the Cummins ISX valve camshaft from Highway and Heavy Parts a quality choice?

Our camshaft is built to OEM specifications and tolerances, made from billet steel for strength and durability, and thoroughly inspected to ensure a proper fit and finish in your Cummins ISX engine.

5. What warranty comes with the valve camshaft for my Cummins ISX from Highway and Heavy Parts?

The camshaft is backed by a 1-year warranty, providing long-term reliability and peace of mind.

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

C15 Stage 2 Loaded Cylinder Head, Inconel Exhaust Valves, 2635055, Caterpillar, New

ISX Single Cam Cylinder Head 5658294 | Cummins, New

C15 Stage 3 Loaded Cylinder Head, 2237263, Caterpillar, New

1835296 | Ultra Performance Loaded Cylinder Head for Caterpillar C15, C15 Acert, 3406E, New

ISX Dual Cam Cylinder Head Assembly, 5658283, Cummins, New

Series 60 12.7L, 14L Cylinder Head, 23538858, Detroit Diesel, New

Series 60 12.7L Loaded Cylinder Head, 23525566, Detroit Diesel, New

ISX Single Cam Engine Rebuild Kit, 5579460, Cummins, New

C15 Acert Engine Rebuild Kit, C15103010, Caterpillar, New

C15 Acert, C15 Engine Rebuild Kit, C15107010, Caterpillar, New

Cummins ISX Single Cam Inframe Engine Rebuild Kit, New (4376178)

C15 Acert Diesel Fuel Injector 10R1273 | Caterpillar, Remanufactured