Spectra TR19 Fuel Tank Lock Ring

Spectra TR19 Fuel Tank Lock Ring

The Spectra TR19 fuel tank lock ring is a direct replacement for select GM applications that use a 3-1/2 in. diameter gauge opening. It is built to match original equipment fit and function for secure fuel tank module retention on supported Buick, Chevrolet, GMC, Cadillac, Oldsmobile, Pontiac, Hummer, and Isuzu vehicles.

• OE-style fuel tank lock ring for fuel pump module retention
• Fits applications with a 3-1/2 in. diameter gauge opening
• Steel lock ring used on select vehicle listings
• Engineered and manufactured to meet or exceed original equipment performance
• Cross-references Airtex LR3003 and Carter TLR16 for the same application

Vehicle Fitment

• Fits 2000-2005 Buick Century, N/A
• Fits 1998-2005 Chevrolet Blazer, N/A, for 3-1/2 in. diameter gauge
• Fits 2000-2005 Chevrolet Impala, N/A
• Fits 2000-2005 Chevrolet Monte Carlo, N/A
• Fits 2004 Buick Rainier, N/A, steel lock ring; for 3-1/2 in. diameter gauge
• Fits 2000-2004 Buick Regal, N/A
• Fits 2003-2004 Chevrolet Express 1500, N/A, for 3-1/2 in. diameter gauge
• Fits 2003-2004 Chevrolet Express 2500, N/A, for 3-1/2 in. diameter gauge
• Fits 2003-2004 Chevrolet S10, N/A, for 3-1/2 in. diameter gauge
• Fits 1999-2004 Chevrolet Silverado 1500, N/A, steel lock ring; for 3-1/2 in. diameter gauge
• Fits 2003-2004 Chevrolet SSR, N/A, steel lock ring; for 3-1/2 in. diameter gauge
• Fits 2004 Buick Rainier, N/A, steel lock ring; for 3-1/2 in. diameter gauge
• Fits 2000-2004 Chevrolet Tahoe, N/A, steel lock ring; for 3-1/2 in. diameter gauge
• Fits 2002-2004 Chevrolet Trailblazer, N/A, steel lock ring; for 3-1/2 in. diameter gauge
• Fits 2002-2004 GMC Envoy, N/A, steel lock ring; for 3-1/2 in. diameter gauge
• Fits 1998-2004 GMC Jimmy, N/A, for 3-1/2 in. diameter gauge
• Fits 2003-2004 GMC Savana 1500, N/A, for 3-1/2 in. diameter gauge
• Fits 1999-2004 GMC Sierra 1500, N/A, steel lock ring; for 3-1/2 in. diameter gauge
• Fits 2003-2004 GMC Sonoma, N/A, for 3-1/2 in. diameter gauge
• Fits 2004 GMC Yukon, N/A, for 3-1/2 in. diameter gauge; w/o screw studs
• Fits 2003-2004 GMC Yukon XL 1500, N/A, for 3-1/2 in. diameter gauge
• Fits 2003-2004 Isuzu Ascender, N/A, for 3-1/2 in. diameter gauge
• Fits 1998-2004 Oldsmobile Bravada, N/A, for 3-1/2 in. diameter gauge
• Fits 2002-2003 Cadillac Escalade, N/A, steel lock ring; for 3-1/2 in. diameter gauge
• Fits 2001-2003 Pontiac Grand Prix, N/A

Common Repair Uses

• Replaces a damaged or corroded fuel tank lock ring
• Restores secure retention of the fuel pump module at the tank opening
• Addresses fuel system service issues after pump or sender replacement
• Helps correct fitment problems on 3-1/2 in. gauge opening applications
• Supports repair of GM fuel tank service points on Silverado, Tahoe, and Yukon models

Installation Notes

Verify the tank opening diameter and vehicle configuration before installation. Several listings note steel lock ring construction, and some applications specify w/o screw studs or a 35-gallon tank, so match the vehicle notes exactly. The Spectra TR19 is intended for direct replacement use on the listed fitments, including Chevrolet Silverado, GMC Yukon, and related GM platforms.

Quality Assurance

Spectra Premium states that its fuel tank lock rings are engineered, manufactured, and quality-checked to meet or exceed original equipment performance for the applications they replace. The TR19 is built as an OE-style replacement part for consistent fit and retention on supported vehicles.