Dorman 285-5511 Fuel Tank Sending Unit

Reliable Fuel Tank Sending Unit for Accurate Fuel Measurement

The Dorman 285-5511 Fuel Tank Sending Unit is designed to provide precise fuel level readings for a variety of vehicle applications. Featuring a 20.25-inch length and durable construction, this sending unit ensures consistent performance and compatibility with specific makes and models.

• Length: 20.25 inches for proper fitment
• Wire Colors: Black and White with 18-gauge measurement
• Outside Diameter: 2.7 inches for secure installation
• Tank Seal Outside Diameter: 6.25 inches with included gasket
• Lock Ring Included for reliable sealing
• Resistance: 241 ohms empty, 33 ohms full with +/- 2 ohms tolerance
• Includes 1 fuel sender, 1 gasket, and 5 stainless steel screws
• Fuel pump not included

Detailed Product Description

The Dorman 285-5511 Fuel Tank Sending Unit is engineered to deliver accurate fuel level data by utilizing a fixed float level design without adjustability. It features two wires—black and white—constructed with 18-gauge wire for optimal electrical conductivity and durability. The sending unit’s 2.7-inch outside diameter and 20.25-inch length are designed to fit specific fuel tanks, ensuring a proper seal and reliable operation. The included gasket and lock ring with a 6.25-inch outside diameter help maintain a secure and leak-free installation. Resistance values of 241 ohms when empty and 33 ohms when full provide precise fuel level readings compatible with the vehicle’s fuel gauge system.

Common Applications and Issues Addressed

• Inaccurate or fluctuating fuel gauge readings
• Fuel level sensor failure causing dashboard warning lights
• Fuel sender unit corrosion or wear over time
• Leaks or poor sealing in the fuel tank sending unit area
• Replacement for OEM sending units with similar specifications

Installation Notes and Tips

Before installation, verify compatibility with your vehicle’s make and model to ensure proper fitment. The Dorman 285-5511 does not include a wiring harness or fuel pump, so existing components should be inspected for wear or damage. Use the included gasket and lock ring to secure the sending unit and prevent fuel leaks. Handle wiring connections carefully, matching the black and white wires to the vehicle’s wiring harness according to the service manual. Testing resistance values before and after installation can confirm proper operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 285-5511 Fuel Tank Sending Unit undergoes quality control inspections to ensure accurate resistance readings and fitment. While specific warranty details are not provided here, Dorman typically offers limited warranties on their fuel delivery components. Consult product documentation or the manufacturer for exact warranty terms.