Used Engine Computer Module Please see notes section for exact computer i.d if available, it is your responsibility to ensure that the numbers are compatible. Many computers will have to be reset/reprogrammed at the dealer to ensure proper performance. No returns will be accepted unless accompanied by proof of reprogramming. If the exact i.d number is not shown, please request it before bidding. If you have any questions about fit, please ask prior to purchasing. We warranty these to be working ecm's but do not guarantee them to fix your vehicle's problems. Thanks! This used part will fit these makes and models with these options: TRAILBLAZER EXT 02 Electronic Control Module; (LH engine) BRAVADA 02 Electronic Control Module; (LH engine) ENVOY 02 Electronic Control Module; (LH engine) TRAILBLAZER 02 Electronic Control Module; (LH engine) ENVOY XL 02 Electronic Control Module; (LH engine)

• See product description below for fitment information. Must match our specifications to fit correctly and function as designed.
• Please use "contact seller" to ask any questions about parts prior to purchase. Our knowledgeable staff is here to help.
• 90 Day Warranty with proof of purchase and proper install!!!
• FEDEX or USPS shipping to the continental 48 US States, item will ship within 24 business hours.
• This is a quality, tested, used auto part removed from a recycled vehicle.

See product description below for fitment information. Must match our specifications to fit correctly and function as designed.Oldsmobile