Buyer guides
Plain-English advice on choosing, fitting and installing a used engine or transmission.
4 min read
How to find your engine code from your VIN
The engine code is the fastest way to make sure a used engine or transmission fits. Here's where it is and how to read it.
5 min read
Used, rebuilt or new: which engine should you buy?
An honest comparison of cost, warranty and turnaround for used OEM, remanufactured and new crate engines.
6 min read
Used engine installation checklist
The steps your mechanic should follow so a replacement engine lasts — and so your warranty stays valid.
5 min read
Used transmission installation checklist
Fluids, cooler lines, torque converter and relearns: what to do when installing a used transmission.
4 min read
7 signs your engine or transmission needs replacing
Knocking, smoke, slipping gears and more — what the symptoms mean and when a replacement makes sense.