GM Genuine Parts 213-4573 Engine Crankshaft Position Sensor with Bolt and Retainer

Overview

GM Genuine Parts 213-4573 (12615626) Engine Crankshaft Position Sensor is an OE replacement designed to fit GM vehicles as a direct substitute for the original part. This sensor tracks the crankshaft’s position and rotational speed, delivering timing data to the engine control module. When the ECM receives accurate signals, it can help coordinate fuel delivery and ignition timing, potentially contributing to smoother operation and responsive starting, without implying guaranteed results.

What this part does

• Monitors crankshaft position and rotation speed to keep timing data flowing to the engine control module
• Provides timing information used to coordinate fuel injection and ignition timing for more consistent engine performance
• Manufactured to GM OE specifications for reliable fit, form, and function
• Includes bolt and retainer for a complete installation kit, ready to replace the original component

Why choose GM Genuine Parts

• GM-recommended replacement part for your GM vehicle’s original factory component
• Delivers the quality, reliability, and durability associated with GM OE equipment
• Engineered to GM OE specifications so it aligns with the vehicle’s original performance expectations
• Guidance for installation or programming is available through your local GM Dealer or ACDelco Service Center

Real-world considerations

Using an OE-specified sensor may help maintain accurate timing data under a range of driving conditions. This can play a role in how the engine responds to cold starts, throttle inputs, and steady cruising, especially when combined with proper installation and calibration. While results can vary by vehicle and context, choosing a genuine GM replacement supports continuity with factory design intent and service life expectations.

Compatibility and installation notes

Designed as a direct replacement for GM vehicles that use this sensor, the kit includes the bolt and retainer for a complete replacement. For proper installation or programming instructions, consult your nearest GM Dealer or ACDelco Service Center.