A-Premium Engine Crankshaft Position Sensor for Chevrolet, GMC & Cadillac — Replace 12596851

Overview

The A-Premium Engine Crankshaft Position Sensor is a direct-fit replacement designed for a wide range of GM-based vehicles. It helps monitor crankshaft position to support precise engine timing signals that the ignition and fuel systems rely on. This part is crafted to align with factory interfaces, offering a seamless upgrade for active service needs.

Why choose A-Premium

Engineered to endure heat, vibration, and the demands of daily driving, this sensor combines OEM-style connectivity with robust materials for lasting performance in the engine bay. It is built to integrate with the existing electrical system without requiring extensive modifications.

• Broad compatibility with Chevrolet, GMC, and Cadillac models listed in the fitment notes
• Direct-fit connector and mounting points for a straightforward replacement
• Durable construction designed to withstand engine bay heat and movement
• Cross-reference references including 12596851 and 10456042 to help with part matching

What to expect on your vehicle

After installation, you may notice a steadier timing signal and a more consistent idle, depending on the vehicle’s prior condition and related systems. The sensor is designed to align with the factory timing interface for GM engines.

• Compatible across a broad GM family: C1500, Suburban, Silverado, Tahoe, Express, Sierra, Savana, and more
• Long list of supported platforms from 1994 to 2007 as noted in the fitment data

Real-life use cases

Customers typically replace the sensor after a check engine light activation, intermittent misfires, rough idle, or occasional stalling, seeking reliable electrical signaling for engine timing without extensive downtime.

Installation tips

Prepare with standard precautions: ensure the engine is cool, disconnect the battery, and use the direct-fit sensor designed for GM interfaces. Verify fitment against the exact year and model before installation.

• Confirm fitment against the vehicle’s year and model
• Inspect the mounting surface for cleanliness before installation

Compatibility and references

Reference numbers include 917-755, 917755, 12596851, 12596851, 8-10456-200-0, 8-12596-851-0 and related codes to assist with cross-checks in catalogs.