2031 E 65th St #2112, Los Angeles, CA 90001 Mon - Fri (08:00 AM - 04:30 PM)
The block is the backbone of any engine build, and a bad one turns a rebuild into a money pit. Oscar's Engine Cores sells used engine blocks that have been looked over for visible cracks, damage, and prior repairs before they ever reach the shelf — a step above pulling a mystery block out of a typical junkyard row.
Got an engine that's beyond saving, or cores stacking up in the corner of your shop? Oscar's Engine Cores buys used engine cores of nearly every make and configuration. Instead of hauling that motor to a junkyard for scrap-metal pennies, bring it to a used engine parts shop that understands what a core is actually worth.
Looking for used engine cores? Every rebuild starts with a solid core. Oscar's Engine Cores stocks used engine cores across a wide range of makes and models — inspected, cataloged, and priced for rebuilders, machine shops, and DIY mechanics who want a real foundation for their project.
Bare used blocks across common makes and displacements, with honest condition notes. We'll tell you what we've observed so you and your machine shop know what you're starting with before decking, boring, or honing.
Need a crank or cam to go with it? We stock used crankshafts and camshafts too — ask when you call and we'll pull matching components.

A short block gives you the bottom end done: block, crankshaft, connecting rods, and pistons already assembled. Oscar's Engine Cores stocks used short blocks for builders who want to skip bottom-end assembly and get straight to heads, cam, and tuning.
New and remanufactured short blocks are expensive. A quality used short block from a dedicated used engine parts shop gets you a proven rotating assembly at a fraction of the cost — without the total unknowns of a junkyard pull.
Each short block is inspected and described honestly: what turns, what's included, and what condition the bores and rotating assembly appear to be in. No surprises when you get it on the stand.

When you need an engine back in a vehicle without a full ground-up build, a long block is the answer. Oscar's Engine Cores sells used long blocks — block, crank, rods, pistons, and cylinder heads assembled — so you can transfer your intake, accessories, and wiring and get back on the road.
Shops doing engine swaps on a deadline, fleet operators keeping work trucks alive, and owners who'd rather replace than rebuild. If the goal is a running vehicle sooner rather than later, a used long block is usually the most cost-effective route.
Like everything at our used engine parts shop, long blocks are checked and described honestly before sale — a level of confidence you simply don't get from a junkyard engine still sitting in a wreck.
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CALL FOR BOOK
Your trusted source for quality used engine cores and used engine parts. Built for mechanics, DIYers, and anyone who knows a good part at a fair price. Stop by our yard at 2031 E 65th Street, Los Angeles 90001, call us at (323) 585-1410, or send us a message through our contact page. If we don't have the part you need in stock, tell us what you're after — inventory turns over constantly, and we'll keep an eye out for you.