An engine computer from a low mileage 1993 SIERRA. Must match PROM code: BDFK. This listing is for one.Engine PROM (also known as chip). When replacing your PROM you must match the 4 letter code on your PROM from your vehicle. Do not replace a PROM with a non matching unit. This is for one PROM only and doesn't include the engine computer. Fine Print or Auto Parts Only.
Compatibility: Whenever a part number is supplied you must match the part number to yours. Just because your vehicle is listed does not mean this part will fit your vehicle. Car manufactures do vary design and function within the same production year. Are in working order, and tested before being offered for sale when possible.They may need additional cleaning. I always have tons of pictures to show condition.