Caterpillar C11 & C13 Parts

Parts for the Caterpillar C11 and C13 ACERT platform — the on-highway workhorses behind countless Class 8 trucks and heavy equipment. We stock the high-wear components that keep these engines running: cylinder heads, fuel injectors, turbochargers, gaskets, and full rebuild kits, backed by PAI Industries aftermarket coverage.

Shopping by an OEM, competitor, or superseded part number? Cross-reference it with us and we'll match the right part for your build. Most orders ship same-day, with free freight on orders over $1,000. Call or text (720) 445-6249 for a quote.