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The coolant temperature sensor is a critical component for your vehicle's engine management system. A malfunctioning sensor can lead to poor fuel efficiency, engine overheating, and even starting issues. Ensuring you select a high-quality replacement is vital for maintaining your car's performance and longevity.
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function
International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions
[PREMIUM PERFORMANCE] - Bosch Original Equipment Coolant Temperature Sensors accurately monitor the coolant temperature in your vehicle ensuring a long and healthy life
[ACCURACY} - Coolant Temperature Sensors provide information to the engine control unit to keep your engine running strongly, safely, and efficiently
[SUPERIOR ENGiNEERING} - Robust design features high resistance to engine vibration and an extreme temperature range of -40F to +260F
[OPTIMUM EFFICIENCY] - Bosch Coolant Temperature Sensors feature OE or better quality, performance, and function to ensure your vehicle performs with optimum levels of efficiency
Compatible with select vehicles (Note: engine may affect fitment - verify specific vehicle fitment details with fit checker above): BUICK: 2008-17 Enclave, 2005-08,2010-11 LaCrosse, 2004-06 Rendezvous; CADILLAC: 2004-11 CTS, 2004-11 SRX, 2005-11 STS
For Chrysler 300M 1999-2000; For Aspen 2007; For Cirrus 1995-2000; For Concorde 1998-2000; For Grand Voyager 2000; For Lhs 1999-2000; For Neon 2000-2002; For Sebring 1997-2000; For Town&Country 1998-2000; For Voyager 2000
For Dodge Avenger 1997-2000; For Caravan 1997-2000; For Dakota 1997-2008; For Durango 2000-2007; For Grand Caravan 1997-2000; For Intrepid 1998-2000; For Neon 2000-2005; For Nitro 2007; For Ram 1500 Pickup 2002-2007; For Ram 3500 Pickup 2003; For Stratus...
For Jeep Cherokee 1997-2001; For Commander 2006-2007; For Grand Cherokee 1997-2007; For Liberty 2002-2007; For Wrangler 1997-2006
For Mitsubishi Eclipse 1997-1999; For Raider 2006-2007
For Plymouth Breeze 1997-2000; For Grand Voyager 1997-2000; For Neon 2000-2001; For Prowler 1999-2000; For Voyager 1997-2000
Last update on 2026-07-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Coolant Temperature Sensors
Installation and Maintenance Tips
Replacing a coolant temperature sensor is generally a straightforward process, but it's essential to follow proper procedures.
Safety First: Ensure the engine is cool before starting the replacement to avoid burns. Disconnect the battery's negative terminal as a safety precaution.
Locate the Sensor: The sensor is typically found on the engine block or cylinder head, threaded into the coolant passages. Consult your vehicle's service manual if unsure.
Drain Coolant (if necessary): Depending on the sensor's location, you may need to partially drain the cooling system to prevent coolant spillage.
Installation: Carefully remove the old sensor and install the new one, ensuring a snug fit. Tighten it to the manufacturer's recommended torque specification.
Test: After installation, reconnect the battery, start the engine, and check for leaks. Monitor the temperature gauge and check engine light to confirm proper operation.
Frequently Asked Questions
What are the symptoms of a bad coolant temperature sensor?
Common symptoms include the check engine light illuminating, poor fuel economy, difficulty starting the engine, rough idling, and the engine running too cool or too hot.
How often should a coolant temperature sensor be replaced?
There is no set replacement interval for coolant temperature sensors. They should be replaced when they fail or show signs of malfunction, typically indicated by diagnostic trouble codes or performance issues.
Can I drive with a faulty coolant temperature sensor?
It is not recommended to drive extensively with a faulty sensor. Inaccurate readings can lead to engine damage from overheating or inefficient operation, potentially causing more costly repairs.
How do I know if my coolant temperature sensor is bad?
A mechanic can diagnose a faulty sensor using an OBD-II scanner to check for trouble codes. You might also notice the symptoms mentioned previously, such as a consistently fluctuating temperature gauge or a black smoke emission.
Does the coolant temperature sensor affect my car's AC?
Yes, the coolant temperature sensor can indirectly affect the air conditioning system. The engine control module uses its readings to manage engine temperature, which can influence the AC's performance and cycling.
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