ACDelco 12643002 Fuel Temperature Sensor for Diesel Fuel Injection Pump

The ACDelco 12643002 is a GM Original Equipment fuel temperature sensor designed for installation on diesel fuel injection pumps. As a genuine GM part installed during production or validated by General Motors, this sensor is designed and engineered to meet rigorous OE standards for GM diesel vehicles.

Key Features:

• Designed to send accurate measurements to the engine control system
• Manufactured to GM OE specification for fit, form, and function
• True OE parts validated by General Motors for GM vehicles
• Direct replacement for original factory component
• Quality-tested for reliability and durability

This fuel temperature sensor monitors the temperature of diesel fuel at the injection pump, providing critical data to the engine control module for optimal fuel delivery and engine performance. Commonly used on 2011-2016 GM 6.6L Duramax LML engines, this sensor ensures accurate fuel system operation and helps maintain proper engine calibration across varying temperature conditions.