GMC Sierra 2500 Coolant Sending Units
This page covers coolant sending units for the GMC Sierra 2500, with parts spanning model years 1999–2010. The range focuses on engine coolant temperature senders that connect to your truck's cooling system monitoring circuit. Pick your GMC Sierra 2500's year above to narrow the list to coolant sending units with confirmed fitment. Every part shown is checked against our vehicle data.
What's here for your GMC Sierra 2500
- Engine Coolant Temperature Senders — threaded units designed to mount into the engine block or coolant passage and relay temperature readings to the instrument cluster or engine management system
The widest selection here comes from Standard Motor Products, Airtex Automotive Division, and Dorman, each offering fitment-specific coolant temperature senders for the 1999–2010 GMC Sierra 2500. Other categories GMC Sierra 2500 owners shop for: GMC Sierra 2500 Exterior Lights, GMC Sierra 2500 Doors and Door Parts and GMC Sierra 2500 Body and Paint Equipment, or browse all GMC Sierra 2500 parts and accessories.