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Dorman 285-5403 Fuel Tank Sending Unit

Brand	Dorman 285-5403
Terminal Type	Spade
Terminal Quantity	2
Wiring Harness Included	No
Gasket or Seal Included	Yes
Package Contents	1 fuel sender
Plug/Connector Type	Plug
Pump Included	No
Fits	—

OE-style replacement. Matches the fit and function of the original fuel sender.

Quality materials. Built for reliable performance and durability.

Seal included. Ready for a cleaner, more complete installation.

Cross-references 391PLP, 578.75002 and SW391PLP for the same application. See all 3.

$83.18Free shipping

In stock · usually ships same day before 1pm CST

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Step 2 — Quantity

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Free returns within 60 days if it doesn't fit when fitment is verified.

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Fuel Tank Sending Unit for OE-Style Fuel Level Reporting

Dorman 285-5403 is a fuel tank sending unit built to match the fit and function of the original unit on specified applications. It uses quality materials for dependable fuel level signal performance and long-term durability in the fuel system.

Key Features

Direct replacement fuel tank sending unit for specified vehicles
Spade terminal design with 2 terminals for electrical connection
Gasket or seal included for service-ready installation
No wiring harness included
No fuel pump included
Plug connector type

Detailed Description

This Dorman fuel sender is engineered for applications that require an OE-style fuel tank sending unit with the correct fit and function. Part number 285-5403 is designed for accurate fuel level signal transfer from the tank to the gauge system, helping restore normal fuel gauge operation in vehicles such as Chevrolet and GMC models where the original sender has worn out or failed. If you are searching for a fuel tank sending unit for Chevrolet GMC fuel system repair, Dorman 285-5403 provides a direct replacement solution built around the original design.

This part cross-references Monroe Shocks & Struts (e.g., 391PLP, 578.75002) for the same application.

What It Helps Fix

Inaccurate fuel gauge readings
Fuel gauge stuck on empty or full
Intermittent sender signal from worn electrical contacts
Fuel level reporting issues after tank service
Replacement needs for a damaged or corroded sender assembly

Installation Notes and Tips

Verify connector style, terminal count, and seal condition before installation. This unit uses spade terminals and a plug connector type, and it does not include a wiring harness or fuel pump. Confirm the tank opening and electrical connection match the original sender on the vehicle before service. For best results, inspect the tank sealing surface and replace any damaged components during fuel system repair.

Quality Assurance

Dorman manufactures this sender as a replacement part for specified applications, using materials selected for reliable operation and durability in the fuel tank environment.

This part fits 0 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Position	Notes
No rows match your filter.

Directly replaces or cross-references 3 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

391PLP578.75002SW391PLP