Spectra LO03 Fuel Tank Lock Ring

Spectra LO03 Fuel Tank Lock Ring

The Spectra LO03 fuel tank lock ring is an OE-style replacement for fuel sender and fuel pump retaining applications that use a 2-inch gauge hole. It is built for direct service on a wide range of Ford, Lincoln, Mercury, and Jeep vehicles from 1974-1997.

• Fuel tank lock ring for 2-inch gauge hole applications
• Direct replacement for fuel level sender retaining use on select vehicles
• Application coverage for Ford Mustang, Ford F-150, Jeep CJ5, and more
• Cross-reference: Airtex Fuel Pumps LR2002
• Cross-reference: Carter TLR3

Application Coverage

• Fits 1980-1997 Ford Mustang, N/A, for 2 in. gauge hole
• Fits 1993-1996 Lincoln Mark VIII, N/A, includes O-ring; 2 in. gauge hole
• Fits 1987-1992 Lincoln Mark VII, N/A, includes O-ring; 2 in. gauge hole
• Fits 1987-1991 Ford LTD Crown Victoria, N/A, lock ring (fuel level sender); includes O-ring
• Fits 1985-1989 Ford Bronco, N/A, small gauge - 2 in.; includes O-ring
• Fits 1975-1984 Ford F-150, N/A, for 2 in. gauge hole
• Fits 1974-1984 Ford F-250, N/A, for 2 in. gauge hole
• Fits 1974-1984 Ford F-350, N/A, for 2 in. gauge hole
• Fits 1975-1986 Jeep CJ7, N/A, for 2 in. gauge hole
• Fits 1975-1983 Jeep CJ5, N/A, for 2 in. gauge hole

Product Details

Spectra Premium fuel tank lock rings are manufactured with engineering, production, and quality control standards that meet or exceed original equipment performance expectations. LO03 is used to secure the fuel level sender, fuel pump assembly, or related tank components on listed applications that use a 2-inch opening. For buyers searching for a Ford Mustang fuel tank lock ring, Ford F-150 fuel sender lock ring, or Jeep CJ7 fuel tank retaining ring, LO03 provides the correct service part reference.

Common Repair Uses

• Replacing a damaged or corroded fuel tank retaining ring
• Restoring a secure seal at the fuel sender opening
• Addressing fuel odor caused by a poor tank-top seal
• Correcting fitment issues on 2-inch gauge hole fuel tank openings
• Servicing fuel level sender or fuel pump access points on select Ford, Lincoln, Mercury, and Jeep models

Installation Notes

Verify the tank opening size and vehicle application before installation. This part is listed for 2-inch gauge hole applications, and several fitments note an O-ring or specific tank configuration. Clean the sealing surface thoroughly and confirm the retaining ring seats evenly before returning the vehicle to service.

Quality Assurance

Spectra Premium states that its fuel tank lock rings are engineered and manufactured to meet or exceed original equipment performance for the applications they replace. LO03 is built as a service replacement for confirmed fitments across Ford, Lincoln, Mercury, and Jeep platforms.