: Most expensive option ($5,000–$20,000+); ideal for long-term vehicle ownership or performance builds.
: Sourced from salvage yards; the riskiest and cheapest route ($1,000+). These are best for short-term solutions where the vehicle's remaining value is low. 2. Verify Compatibility how to buy a new engine
: A "long block" includes the cylinder heads and valve train, making it a nearly complete drop-in replacement. A "short block" is just the lower portion (block, crank, and pistons) and requires you to transfer parts from your old engine. : Most expensive option ($5
