The Walker Products Engine Coolant Temperature Sensor (part number 211-91039) is a direct-fit replacement for 1995-2002 Buick, Chevrolet, GMC, and Isuzu vehicles with 3.1L, 2.2L, and 3.8L engines. Walker Products Engine Coolant Temperature Sensors match OE performance to deliver accurate data for engine protection, fuel control, and emissions management.
Features:
- Direct-fit replacement simplifies installation and restores sensor function.
- Durable materials ensure long service life in hot, high-vibration environments.
- Built to match OE specifications for signal response and thermal accuracy.
- Monitors engine coolant temperature to optimize fuel delivery and ignition timing.
- Enables ECM to protect engine from overheating and improve cold starts.
Specifications:
| Number of Terminals | 3 |
| Connector Type | Blade |
| Connector Shape | Circle |
| Terminal Gender | Female |
Fits: 1995-2002 Buick, Chevrolet, GMC, Isuzu, and Oldsmobile models including Century, LeSabre, Park Avenue, Regal, Riviera, Skylark, Beretta, Camaro and more — 3.1L, 2.2L, and 3.8L 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: KEM 140-209, Forecast 9385, Duralast TU178DG, Tomco Products 12299, Isuzu 8100961810, Wells TU178, Wells TU178DG, SMP TX66 and 5 more
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.
