[Replaces Part Number:] PC617 5S6628 #97321398 SU8137 Please Check the OEM Part Number and Make Sure Your Part Number Matches this Part Number Before Buying! Buyers Guide (Reference Year/Make/Model search for proper fitment): Compatible with CHEVROLET-C4500 KODIAK, C5500 KODIAK, SILVERADO 2500 HD, SILVERADO 3500 (05-04); Buyers Guide (Reference Year/Make/Model search for proper fitment): Compatible with GMC-SIERRA 2500 HD, SIERRA 3500 (05-04) Integrated A/D converter and digital signal processing with a dynamically adaptive switch point improves accuracy and operation.Custom magnetic circuit programming calibrates the sensor during performance testing, which improves timing accuracy between target wheel and sensor output. The Cam Position Sensor Assembly, a crucial element in the Camshaft & Valve system of your Vehivle, plays a primary role in monitoring the position of the camshaft. This information is essential for the Engine Control Unit (ECU) to regulate ignition timing and fuel injection, maintaining optimal engine performance. A failing or non-functional sensor can lead to misfires, poor acceleration, decreased fuel economy, and even engine stalling, potentially posing safety risks. [Replaces Part Number:] PC617 5S6628 #97321398 SU8137 Please Check the OEM Part Number and Make Sure Your Part Number Matches this Part Number Before Buying! Buyers Guide (Reference Year/Make/Model search for proper fitment): Compatible with CHEVROLET-C4500 KODIAK, C5500 KODIAK, SILVERADO 2500 HD, SILVERADO 3500 (05-04); Buyers Guide (Reference Year/Make/Model search for proper fitment): Compatible with GMC-SIERRA 2500 HD, SIERRA 3500 (05-04) Integrated A/D converter and digital signal processing with a dynamically adaptive switch point improves accuracy and operation.Custom magnetic circuit programming calibrates the sensor during performance testing, which improves timing accuracy between target wheel and sensor output.