Dorman Fuel Tank Sending Unit Lock Ring (MPN: 579-091)

Durable lock ring for secure fuel pump assembly retention.

The Dorman Fuel Tank Sending Unit Lock Ring is designed to securely retain the fuel pump assembly within the fuel tank. With a diameter of 4-1/8 inches, this lock ring features a snap ring style that ensures a reliable fit. Constructed from heavy-duty steel or plastic, it offers corrosion resistance and longevity, making it a dependable choice for vehicle maintenance.

This lock ring is recommended for replacement whenever the sending unit is serviced, ensuring optimal performance of the fuel system. The quality-tested design guarantees trouble-free operation, providing peace of mind for vehicle owners. The inclusion of a gasket enhances the sealing capability, further improving the reliability of the fuel system.

As a direct replacement part, the Dorman lock ring fits properly every time, eliminating the need for modifications. Its round shape and robust material make it suitable for various applications, ensuring that the fuel pump assembly remains securely in place during operation.

Features

• Corrosion-Resistant
• Quality-Tested For Trouble-Free Performance
• Securely Retains The Fuel Pump Assembly To The Lock
• Heavy-Duty Steel Or Plastic Construction Ensures A Long Life
• Direct Replacement For A Proper Fit Every Time

Specifications

• Manufacturer: Dorman
• Manufacturer Part Number: 579-091
• Type: OEM
• Shape: Round
• Sending Unit Hole Diameter (IN): 4-1/8 Inch
• Material: Metal
• Includes O-Ring: Yes
• Includes Hardware: No

Compatibility / Fit

• 1997-1999 Buick Century
• 1997-1999 Buick Regal
• 1992-1998 Buick Skylark
• 1997-1999 Chevrolet Astro
• 1993-1996 Chevrolet Beretta
• 1996-2005 Chevrolet Blazer
• 1997-1999 Chevrolet C1500
• 1998-1999 Chevrolet C1500 Suburban
• 1997-2000 Chevrolet C2500
• 1998-1999 Chevrolet C2500 Suburban
• 1997-2000 Chevrolet C3500
• 1997-2002 Chevrolet C3500HD
• 1992-1999 Chevrolet Cavalier
• 1993-1996 Chevrolet Corsica
• 1996-2002 Chevrolet Express 1500
• 1996-2002 Chevrolet Express 2500
• 1996-2002 Chevrolet Express 3500
• 1997-1999 Chevrolet K1500
• 1998-1999 Chevrolet K1500 Suburban
• 1997-2000 Chevrolet K2500
• 1998-1999 Chevrolet K2500 Suburban
• 1997-2000 Chevrolet K3500
• 1996-2001 Chevrolet Lumina
• 1997-1999 Chevrolet Malibu
• 1997-1999 Chevrolet Monte Carlo
• 1998-1999 Chevrolet P30
• 1997-2002 Chevrolet S10
• 2000-2000 Chevrolet Suburban 1500
• 1997-1999 GMC C1500
• 1998-1999 GMC C1500 Suburban
• 1997-2000 GMC C2500
• 1998-1999 GMC C2500 Suburban
• 1997-2000 GMC C3500
• 1997-2002 GMC C3500HD
• 1996-2001 GMC Jimmy
• 1997-1999 GMC K1500
• 1998-1999 GMC K1500 Suburban
• 1997-2000 GMC K2500
• 1998-1999 GMC K2500 Suburban
• 1997-2000 GMC K3500
• 1998-1999 GMC P3500
• 1997-1999 GMC Safari
• 1996-2002 GMC Savana 1500
• 1996-2002 GMC Savana 2500
• 1996-2002 GMC Savana 3500
• 1997-2002 GMC Sonoma
• 1992-1998 Oldsmobile Achieva
• 1999-1999 Oldsmobile Alero
• 1997-2001 Oldsmobile Bravada
• 1997-1999 Oldsmobile Cutlass
• 1998-2000 Oldsmobile Intrigue
• 1992-1999 Pontiac Grand Am
• 1997-2000 Pontiac Grand Prix
• 1992-1994 Pontiac Sunbird
• 1995-1999 Pontiac Sunfire

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