Shop Diesel Engine Components for Popular Peterbilt Models: Our engine parts inventory includes everything from cylinder heads, camshafts, crankshafts, and turbochargers to gaskets, sensors, and engine control modules (ECMs). We stock parts for popular engines found in Peterbilt models, including Cummins ISX, PACCAR MX, Caterpillar C15, and Detroit Diesel series. Each part is carefully inspected or sourced from proven suppliers so you can buy with confidence. Why Choose Pete Truck Parts for Your Engine Rebuild or Repair: At Pete Truck Parts, we know downtime costs you money. That’s why we aim to ship fast and offer expert customer support to help you find the right part for your engine. Our focus on heavy-duty truck engines means we know the ins and outs of Peterbilt rigs — and we’re here to help you extend the life of your equipment while keeping repair costs under control. Browse our full selection of Peterbilt engine parts below or contact us if you don’t see what you need — we may have it available or can help you track it down.