Dorman 645-164 Engine Coolant Temperature Sensor Connector

Reliable Engine Coolant Temperature Sensor Connector

The Dorman 645-164 Engine Coolant Temperature Sensor Connector is designed to provide a secure and durable electrical connection for your vehicle's cooling system. Engineered for compatibility with various Buick, Cadillac, Chevrolet, GMC, Pontiac, and Saturn models, this connector ensures accurate sensor readings and reliable performance.

• Wiring harness length of 17 inches for flexible installation
• 14-gauge wire measurement for optimal electrical conductivity
• Two-pin terminal type with female terminal gender for secure connections
• Male connector gender designed to fit specific sensor plugs
• Includes 1 pigtail and 2 waterproof 16-14 AWG butt connectors for weather-resistant splicing
• Durable plastic terminal material for corrosion resistance
• Two-wire quantity supporting standard sensor wiring requirements

Product Details and Specifications

The Dorman 645-164 connector features a 17-inch wiring harness constructed with 14-gauge wires, providing a balance between flexibility and electrical performance. The connector is designed with a male housing and female terminals, ensuring a precise fit with engine coolant temperature sensors on compatible vehicles. The included waterproof butt connectors allow for secure and moisture-resistant splicing, which is critical for maintaining sensor signal integrity in harsh engine environments. The plastic terminal material offers resistance to corrosion and wear, extending the service life of the connector assembly.

Compatible Vehicles and Applications

This engine coolant temperature sensor connector is compatible with a range of GM vehicles, including Buick LaCrosse, Cadillac CTS, Chevrolet Malibu, Camaro, and Silverado 2500 HD, as well as GMC Sierra 3500 and Pontiac G8 models. It is suitable for use in vehicles such as the Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Vue, among others. The Dorman 645-164 is ideal for replacing worn or damaged connectors in these models to restore proper sensor function.

• Restores accurate engine coolant temperature sensor readings
• Prevents electrical connection failures due to corrosion or damage
• Eliminates intermittent sensor faults caused by loose or broken terminals
• Helps maintain engine performance and fuel efficiency by ensuring proper sensor signals
• Supports reliable operation of engine cooling and temperature monitoring systems

Installation Notes and Tips

When installing the Dorman 645-164 connector, ensure the wiring harness is routed away from high-heat sources and moving parts to prevent premature wear. Use the included waterproof butt connectors to splice wires securely, and verify that all connections are tight and free of corrosion. It is recommended to test the sensor circuit after installation to confirm proper operation. This connector is designed for professional or experienced DIY installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 645-164 Engine Coolant Temperature Sensor Connector undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty information.