The Walker Products Engine Crankshaft Position Sensor (part number 235-91057) is a direct-fit replacement for 1997-2009 Avanti, Buick, Cadillac, and Chevrolet vehicles with 5.7L, 5.3L, and 6.0L engines. A crankshaft position sensor monitors the crankshaft's rotational speed and position, providing vital data for precise ignition timing and fuel injection in engines.
Features:
- Designed to withstand extreme engine conditions, crankshaft sensors endure temperature fluctuations, mechanical vibrations, and exposure to engine fluids, ensuring consistent and reliable operation.
- By working alongside camshaft sensors, crankshaft position sensors enable precise coordination between valve and piston movements, optimizing engine performance and minimizing the risk of damage.
- Crankshaft position sensors can identify irregularities in engine cycles, aiding in the detection of misfires. This enhances overall engine efficiency and reduces exhaust emissions.
- With accurate crankshaft position data, the engine control module can fine-tune fuel injection timing, leading to improved fuel combustion efficiency, reduced fuel consumption, and lower emissions.
- Crankshaft position sensors track the rotational speed and position of the crankshaft, providing essential data to the engine control module for accurate timing of fuel injection and ignition.
Specifications:
| Number of Terminals | 3 |
| Connector Type | Pin |
| Connector Shape | Oblong |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 1997-2009 Avanti, Buick, Cadillac, Chevrolet, and GMC models including II, Rainier, CTS, Escalade, Escalade ESV, Escalade EXT, Avalanche 1500, Camaro and more — 5.7L, 5.3L, and 6.0L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Duralast SU1178DG
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
