Dorman 645-175 Fuel Sender Connector

Dorman Fuel Sender Connector 645-175

Dorman 645-175 is a fuel sender connector pigtail built for electrical repair work where a secure, serviceable connection is needed. It uses a 4-way female blade-pin design with leads and an oval connector shape, making it a practical replacement for damaged fuel sender wiring on select Chevrolet, GMC, Cadillac, Buick, Pontiac, Saturn, and Hummer applications.

Key Features

• Fuel sender connector pigtail for electrical repair and accessory installation
• 4-way female connector with blade pin terminals
• Oval housing shape in black, gray, or white connector color variants
• 10-gauge wiring with a 17.67-inch harness length
• Built for quick circuit disconnection during service
• Direct replacement style for select GM vehicle applications

Detailed Description

This Dorman fuel sender connector is engineered for reliable electrical performance in fuel system wiring repairs. The female terminal layout and blade-pin design support a secure connection at the sender circuit, while the pigtail format simplifies replacement when the original connector is heat-damaged, corroded, or broken. It cross-references GM service numbers such as 13580864 and 15306360 for the same application. Fits 2003-2011 Chevrolet Express 1500, N/A; Fits 2003-2011 Chevrolet Express 2500, N/A; Fits 2003-2011 Chevrolet Express 3500, N/A; Fits 2003-2011 GMC Savana 1500, N/A; Fits 2003-2011 GMC Savana 2500, N/A; Fits 2003-2011 GMC Savana 3500, N/A; Fits 2006-2009 Chevrolet HHR, N/A; Fits 2010 Cadillac Escalade, N/A; Fits 2010 Chevrolet Suburban 1500, N/A; Fits 2010 GMC Yukon, N/A; Fits 2012 Chevrolet Impala, N/A.

What It Helps Fix

• Broken or brittle fuel sender connector housings
• Corroded terminals causing intermittent sender signal loss
• Heat-damaged wiring at the fuel tank or sender circuit
• Poor electrical contact at a 4-way female connector
• Service interruptions caused by a failed quick-disconnect connector

Installation Notes and Tips

Match the connector shape, terminal count, and wire gauge to the original harness before installation. Verify the vehicle application by year, make, model, and connector style, especially on Chevrolet Express, GMC Savana, and Chevrolet HHR fuel sender repairs. Use proper sealed butt-connector splicing practices and confirm terminal seating before reconnecting the circuit.

Quality Assurance

Dorman supplies replacement electrical connectors engineered for dependable service in repair applications. This part is built as a direct-fit style pigtail connector for select GM vehicles, including Chevrolet, GMC, Cadillac, Buick, Pontiac, Saturn, and Hummer models.