Sparta PN9003 Fuel Tank Lock Ring

Fuel Tank Lock Ring for OE-Style Service

The Sparta PN9003 fuel tank lock ring secures the fuel pump module or sending unit to the tank with a steel construction built for service on higher-mileage and earlier model vehicles. It is a direct-fit hardware solution for a wide range of Chevrolet, Cadillac, Pontiac, Saturn, Buick, GMC, Oldsmobile, and Suzuki applications.

Sparta, distributed by Delphi, is positioned for OE-level fit and performance on older vehicle platforms. This PN9003 lock ring is a practical replacement when the original ring is rusted, distorted, or no longer seals the module correctly.

Key Features

• Steel construction for strength and secure retention
• Corrosion resistant finish for improved durability
• Black finish
• 3.5 in. inside diameter, 6.0 in. outside diameter
• 0.15 in. thickness for proper seating
• No gasket or seal included
• Package contents: fuel tank lock ring and instruction sheet
• Part number: PN9003

Detailed Description

The Sparta PN9003 fuel tank lock ring is designed to clamp the fuel pump module assembly firmly in place at the tank opening. Its steel build and corrosion-resistant coating help it stand up to the fuel system environment, while the OE-focused design supports proper fit on many GM and related platforms. This part cross-references Airtex Fuel Pumps LR3005 and Carter TLR12 for the same application. Common search terms for this part include fuel tank lock ring for 2003-2013 Chevrolet Corvette, fuel pump lock ring for 2004-2009 Cadillac XLR, and fuel tank retaining ring for 2005-2009 Chevrolet Equinox.

Use PN9003 when replacing a damaged or corroded retaining ring on vehicles such as the Chevrolet Corvette, Cadillac XLR, and Chevrolet Equinox. The ring dimensions and steel construction are intended to match the original service hardware used on the listed applications.

What It Helps Address

• Loose or improperly retained fuel pump module
• Corroded or rusted original lock ring
• Damaged ring threads or locking tabs
• Fuel tank service after pump or sender replacement
• Improper seating at the tank opening

Installation Notes

Confirm the tank opening diameter and module style before installation. Clean the sealing surface thoroughly, inspect the fuel pump module gasket or seal, and replace it if needed since no gasket or seal is included. Follow the instruction sheet and use the correct service procedure to seat the ring evenly and avoid cross-threading or distortion.

Compatible With: Fits 2003-2013 Chevrolet Corvette, N/A; Fits 2004-2009 Cadillac XLR, N/A; Fits 2005-2009 Chevrolet Equinox, N/A; Fits 2006-2009 Pontiac Torrent, N/A; Fits 2007-2009 Suzuki XL-7, N/A; Fits 2005-2008 Chevrolet Cobalt, N/A; Fits 2007-2008 Pontiac G5, N/A; Fits 2003-2007 Saturn Ion, N/A; Fits 2002-2007 Saturn Vue, N/A; Fits 2005-2006 Pontiac Pursuit, N/A; Fits 2000-2005 Buick LeSabre, N/A; Fits 1997-2005 Buick Park Avenue, N/A; Fits 2002-2005 Buick Rendezvous, N/A; Fits 1997-2005 Cadillac DeVille, N/A; Fits 2000-2005 Chevrolet Astro, N/A; Fits 2000-2005 Chevrolet Cavalier, N/A; Fits 2004-2005 Chevrolet Classic, N/A; Fits 2000-2005 GMC Safari, N/A; Fits 2001-2005 Pontiac Aztek, N/A; Fits 2000-2005 Pontiac Bonneville, N/A; Fits 2000-2005 Pontiac Grand Am, N/A; Fits 2001-2005 Pontiac Montana, N/A; Fits 2000-2005 Pontiac Sunfire, N/A; Fits 2001-2005 Saturn L300, N/A; Fits 1997-2004 Cadillac Seville, N/A; Fits 2000-2004 Oldsmobile Alero, N/A; Fits 2002-2004 Oldsmobile Silhouette, N/A; Fits 2000-2003 Chevrolet Malibu, N/A; Fits 2001-2003 Oldsmobile Aurora, N/A; Fits 1995-1999 Oldsmobile Aurora, N/A; Fits 2001-2003 Saturn L200, N/A; Fits 2001-2003 Saturn LW200, N/A; Fits 2001-2003 Saturn LW300, N/A; Fits 1997-2002 Cadillac Eldorado, N/A; Fits 1999-2002 Chevrolet Camaro, N/A; Fits 1999-2002 Pontiac Firebird, N/A; Fits 2001-2002 Saturn L100, N/A; Fits 1998-2000 Chevrolet Express 3500, N/A; Fits 1996-2000 Chevrolet K3500, N/A; Fits 1996-2000 GMC K3500, N/A; Fits 1995-1998 Buick Riviera, N/A; Fits 1995-1997 Chevrolet Tahoe, N/A; Fits 1995-1997 GMC Yukon, N/A.

Quality Assurance

Sparta is distributed by Delphi, an OE full-line fuel supplier, and this part is aimed at higher-mileage and earlier model vehicles where correct fit and dependable fuel system service matter. Part number PN9003 is built to OE-style specifications for the listed applications.