Engine & Powertrain Parts for LS, SBC, LT, Ford, Mopar, Cummins, Duramax & Power Stroke

Rebuild kits, pistons, cams, heads, gaskets, head studs, injectors and more — organized by engine so you find the right part fast. Free shipping over $70 (lower 48 states).

Free shipping over $70 (lower 48 states)
30-day returns on unused parts
Organized by engine — LS · SBC · LT · Ford · Mopar · Diesel

Why Core Powertrain Parts

One engine per listingEvery listing names its engine application, years and part number.
Fitment help by emailSend your year, make, model and engine code and we confirm the part before you buy.
30-day returnsUnused parts can be returned within 30 days under our Refund Policy.

Engine Tech Guides

Real diagnosis and how-to from the bench — the failures that matter, by engine.

Read the guides