20 GMC YUKON 5.3L ENGINE CONTROL MODULE ECM 12703872
A Grade – The highest quality part. It is of low miles and/or exceptional condition for its age. Parts Grading. 78000 (0 = not available or unknown). Our inventory includes a wide selection ofused engines, automatic and manual transmissions, transfer cases, differentials, body parts, interior parts, electronics, modules, and hard-to-find OEM components.