Dorman 645-786 Engine Coolant Level Sensor Connector

Reliable Engine Coolant Level Sensor Connector for GM Vehicles

The Dorman 645-786 Engine Coolant Level Sensor Connector is designed to provide a secure and durable electrical connection for your vehicle's coolant level sensor. Compatible with various Buick, Chevrolet, Oldsmobile, and Pontiac models, this connector ensures accurate sensor readings and reliable engine performance.

• Wire gauge measurement: 18 AWG for optimal current flow
• Three-wire configuration for precise sensor communication
• Blade terminal type with female terminal gender for secure fit
• Overall length of 16.14 inches for flexible installation
• Durable plastic terminal material resistant to corrosion
• Includes one pigtail connector for easy replacement

Durable Design and Precise Specifications

The Dorman 645-786 connector features an 18-gauge wire size, which balances flexibility and electrical conductivity, ensuring consistent sensor signals. Its three-wire setup supports accurate data transmission from the engine coolant level sensor to the vehicle’s control module. The blade-style female terminals provide a reliable connection that resists loosening due to vibration or heat exposure. With an overall length of 16.14 inches, this pigtail connector offers sufficient reach for installation in engine compartments of Buick, Chevrolet, Oldsmobile, and Pontiac vehicles, including models like the Camaro, Impala, and Grand Prix.

Compatible Vehicles and Applications

This engine coolant level sensor connector is compatible with a range of GM vehicles, including Buick Century, Chevrolet Lumina, Oldsmobile Cutlass Supreme, Pontiac Firebird, and more. It is specifically designed to replace worn or damaged connectors in these models, restoring proper sensor function and preventing engine overheating issues.

• Restores accurate coolant level sensor readings
• Prevents engine overheating caused by faulty sensor connections
• Eliminates intermittent electrical faults in the coolant sensor circuit
• Replaces cracked or corroded sensor connectors
• Ensures stable electrical connection under engine vibration

Installation Notes and Tips

When installing the Dorman 645-786 connector, ensure the vehicle’s ignition is off and the engine is cool. Carefully disconnect the old sensor connector and inspect wiring for damage. Match the blade terminals and wire gauge to the original connector for compatibility. Use dielectric grease on terminals to prevent corrosion and improve conductivity. Secure the pigtail connector to avoid strain on the wires during engine operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 645-786 Engine Coolant Level Sensor Connector undergoes rigorous quality control to ensure proper fit and function. This part is backed by Dorman’s limited warranty, covering defects in material and workmanship under normal use.