Dorman 692-256 Fuel Tank Sending Unit

Dorman 692-256 Fuel Tank Sending Unit

Dorman 692-256 is a fuel tank sending unit for select Chevrolet P30 and GMC P3500 applications. It is built to match the original unit’s fit and function, with materials selected for dependable fuel level reporting and long-term durability.

Key Features

• Direct replacement fuel tank sending unit for specified applications
• Fuel level resistance range: 0 ohms empty to 90 ohms full
• Includes a wiring harness, strainer, lock ring, and gasket
• Adjustable float level for proper tank setup
• Female oval connector with 7-wire harness
• Threaded inlet and male-thread outlet connections
• Compatible with select Chevrolet P30 and GMC P3500 models

Detailed Description

This Dorman fuel tank sending unit is engineered for vehicles that need accurate fuel level signal transfer from the tank to the gauge system. The unit uses a 3-terminal design with a female connector, pin terminals, and an included harness for a clean replacement on the specified Chevrolet P30 and GMC P3500 fitments. Dorman 692-256 also includes a lock ring and gasket for the tank opening, along with a strainer for the fuel pickup side.

For fitment-based searches, this part is a direct replacement fuel tank sending unit for 1994-1997 Chevrolet P30 and 1994-1997 GMC P3500 applications. It is also referenced by cross-number 25028268 and Spectra Premium FG12X for the same application.

Common Issues This Part Can Help Solve

• Inaccurate fuel gauge readings
• Fuel level signal loss from a worn sender
• Intermittent gauge movement caused by damaged wiring or terminals
• Tank service needs where the sender seal or lock ring is deteriorated
• Poor fuel pickup performance related to a restricted or worn strainer

Installation Notes and Tips

Verify tank dimensions, connector style, and thread sizes before installation. The sender uses a threaded inlet with 5/8-18 inlet fitting threads and a 9/16-18 outlet fitting thread, so matching the original tank configuration is important. Confirm float travel and adjust the float level as needed during installation to ensure proper gauge operation. Clean the tank sealing surface before installing the included gasket and lock ring.

Quality Assurance

Dorman manufactures this sending unit to match original fit and function on the listed applications, using quality materials for reliable performance and durability. For buyers searching Dorman 692-256 for Chevrolet P30 or GMC P3500 fuel system repair, this part provides an OE-style replacement solution for the specified model years.