Should the lock ring and seal be reused?

No. It is best to replace these components when servicing, or replacing the sending unit.

GM Genuine Parts Fuel Tank Sending Unit Lock Ring

About this product

GM Genuine Parts Fuel Tank Sending Unit Lock Rings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These rings help seal out contaminants, and help retain your vehicle's fuel tank sending unit. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Help seal out contaminants
Help retain fuel tank sending unit
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

ColorBlack

Thickness0.157 in / 4 mm

ClassificationOE

MaterialSteel

Gasket Or Seal IncludedNo

ColorBlack

ClassificationOE

Gasket Or Seal IncludedNo

Thickness0.157 in / 4 mm

MaterialSteel

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Good Maintenance Practices:

These lock rings may be reused if they are not damaged or warped.
Refer to your Vehicle Owner's manual for additional vehicle maintenance practices.

Model	Body Style	Year(s)
C1500		1998, 1999
C4500 Topkick		2003, 2004, 2005, 2006
C5500 Topkick		2003, 2004, 2005, 2006
Envoy		2002, 2003, 2004
Envoy XL		2002, 2003, 2004
Envoy XUV		2004
Jimmy	Sport Utility	1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
K1500		1998, 1999
Savana 1500		2003, 2004
Savana 2500		2003, 2004
Savana 3500	Standard Passenger Van	1997, 1998, 1999, 2000, 2001, 2002, 2003
Savana 3500	Cutaway Van	1997, 1998, 1999, 2000, 2001, 2002, 2003
Savana 3500	Standard Cargo Van	1997, 1998, 1999, 2000, 2001, 2002, 2003
Sierra 1500	Standard Cab Pickup	1999, 2000, 2001, 2002, 2003, 2004
Sierra 1500	Extended Cab Pickup	1999, 2000, 2001, 2002, 2003, 2004
Sierra 1500 HD		2001, 2002, 2003
Sierra 2500		1999, 2000, 2001, 2002, 2003
Sierra 2500 HD		2001, 2002, 2003, 2004
Sierra 3500		2001, 2002, 2003, 2004
Sonoma	Crew Cab Pickup	1999, 2000, 2001, 2002, 2003, 2004
Yukon		1998, 1999, 2000, 2001, 2002, 2003, 2004
Yukon XL 1500		2000, 2001, 2002, 2003, 2004
Yukon XL 2500		2000, 2001, 2002, 2003

About this product

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Help seal out contaminants
Help retain fuel tank sending unit
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

ColorBlack

Thickness0.157 in / 4 mm

ClassificationOE

MaterialSteel

Gasket Or Seal IncludedNo

ColorBlack

ClassificationOE

Gasket Or Seal IncludedNo

Thickness0.157 in / 4 mm

MaterialSteel

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Good Maintenance Practices:

These lock rings may be reused if they are not damaged or warped.
Refer to your Vehicle Owner's manual for additional vehicle maintenance practices.

Model	Body Style	Year(s)
C1500		1998, 1999
C4500 Topkick		2003, 2004, 2005, 2006
C5500 Topkick		2003, 2004, 2005, 2006
Envoy		2002, 2003, 2004
Envoy XL		2002, 2003, 2004
Envoy XUV		2004
Jimmy	Sport Utility	1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
K1500		1998, 1999
Savana 1500		2003, 2004
Savana 2500		2003, 2004
Savana 3500	Standard Passenger Van	1997, 1998, 1999, 2000, 2001, 2002, 2003
Savana 3500	Cutaway Van	1997, 1998, 1999, 2000, 2001, 2002, 2003
Savana 3500	Standard Cargo Van	1997, 1998, 1999, 2000, 2001, 2002, 2003
Sierra 1500	Standard Cab Pickup	1999, 2000, 2001, 2002, 2003, 2004
Sierra 1500	Extended Cab Pickup	1999, 2000, 2001, 2002, 2003, 2004
Sierra 1500 HD		2001, 2002, 2003
Sierra 2500		1999, 2000, 2001, 2002, 2003
Sierra 2500 HD		2001, 2002, 2003, 2004
Sierra 3500		2001, 2002, 2003, 2004
Sonoma	Crew Cab Pickup	1999, 2000, 2001, 2002, 2003, 2004
Yukon		1998, 1999, 2000, 2001, 2002, 2003, 2004
Yukon XL 1500		2000, 2001, 2002, 2003, 2004
Yukon XL 2500		2000, 2001, 2002, 2003

About this product

Product details

Specifications

Warranty

Maintenance

Good Maintenance Practices:

Fits these vehicles

About this product

Product details

Specifications

Warranty

Maintenance

Good Maintenance Practices:

Fits these vehicles

Frequently Asked Questions