Are transmissions tested before sale?

Yes, every transmission we sell is thoroughly tested before it’s approved for sale. When a vehicle enters our yard, we first check whether it runs and drives. If possible, we test the transmission under load to make sure it shifts smoothly, doesn’t slip, and engages properly in all gears. If the vehicle isn’t drivable, we perform a fluid inspection and pressure test to assess condition. We also check for leaks, metal debris, or burnt fluid — signs of internal wear that might indicate problems.

After removal, each transmission is tagged with its identification number, mileage, and any notes about condition. Before shipping or pickup, our team double-checks the torque converter and mounts to ensure they’re clean and ready for installation. We never sell unverified transmissions. If there’s any uncertainty about functionality, the unit is designated for core recycling instead.

Testing is vital because it prevents unnecessary returns and gives customers peace of mind. Every tested transmission from 603 Auto Salvage comes with a standard warranty that covers internal failure under normal use. For shops or rebuilders, we also offer extended coverage options upon request.

We take pride in selling transmissions that meet real-world expectations — reliable, affordable, and accurately described. Our technicians know what to look for and won’t list anything for sale until it meets our internal performance standards. When you buy a transmission from us, you’re getting a part that’s been carefully evaluated by professionals who stand behind their work.