Camshaft Position Actuator Assembly

The ACDelco 12684831 is a genuine GM camshaft position actuator assembly, also referred to as a camshaft gear actuator. This part is designed as a direct replacement, ensuring proper fit and function for compatible GM vehicles. It replaces several prior part numbers, including 12603744, 12672484, 12665856, 12630917, and 12626161, offering a reliable solution for maintaining optimal engine timing. This actuator assembly has dimensions of 6.1 x 4.2 x 4.1 inches and weighs 2.30 pounds. It is guaranteed by GM's factory warranty, ensuring quality and reliability. The part is compatible with a wide range of GM vehicles, primarily those equipped with 3.0L, 3.6L, or 6.2L V6 and V8 engines. Specific fitment includes models such as Buick Allure, Enclave, LaCrosse; Cadillac ATS, CT4, CTS, SRX, STS, XTS; and Chevrolet Camaro. Detailed fitment information, including specific engine options and vehicle trims, is available to ensure correct application. Installation requires careful attention to timing chain procedures. This may involve removing components such as the drive belt, intake manifold, valve covers, water pump, and other engine accessories. Proper alignment of the crankshaft sprocket, installation of camshaft retaining tools, and careful installation of timing chains, guides, and tensioners are crucial steps during installation. It is essential to verify that all sprockets have timing marks before removing the timing chain(s).