Should a silicone sealer be used with the O-ring?

No. A sealer is not needed for a leak free seal.

GM Genuine Parts Fuel Sender Seal

About this product

ACDelco GM Original Equipment Fuel Tank Sending Unit O-Rings are GM-recommended replacements for your vehicle's original components. These O-rings help seal out contaminants, and help protect your vehicle's fuel tank sending unit. These original equipment O-rings have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

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

Help seal out contaminants
Help protect fuel tank sending unit
GM-recommended replacement part for your GM vehicle's original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

Product Specifications

ClassificationOE

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:

The locking ring and seal should be replaced when replacing a fuel pump.
Refer to your Vehicle Owner's manual for additional vehicle maintenance practices.

Model	Body Style	Year(s)
Astro		1997, 1998, 1999
Beretta		1993, 1994, 1995, 1996
Blazer		1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
C1500	Extended Cab Pickup	1997, 1998, 1999
C1500	Standard Cab Pickup	1997, 1998, 1999
C1500 Suburban		1998, 1999
C2500	Standard Cab Pickup	1998, 1999, 2000
C2500	Cab & Chassis	1998, 1999, 2000
C2500	Extended Cab Pickup	1998, 1999, 2000
C2500 Suburban		1998, 1999
C3500		1998, 1999, 2000
C3500HD		1998, 1999, 2000, 2001, 2002
C4500 Kodiak	Motorhome - Cutaway	2003, 2004, 2005, 2006
C5500 Kodiak	Motorhome - Cutaway	2003, 2004, 2005, 2006
C6500 Kodiak	Cab & Chassis - Conventional	1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006
C6500 Kodiak	Cab & Chassis - Cutaway	1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006
C7500 Kodiak	Cab & Chassis - Conventional	1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006
C7500 Kodiak	Straight Truck - Medium Conventional	1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006
C7500 Kodiak	Straight Truck - Cutaway	1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006
C8500	Straight Truck - Cutaway	2003, 2004, 2005, 2006
C8500	Straight Truck - Medium Conventional	2003, 2004, 2005, 2006
Cavalier		1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Corsica		1993, 1994, 1995, 1996
Express 1500		1996, 1997, 1998, 1999, 2000, 2001, 2002
Express 2500		1996, 1997, 1998, 1999, 2000, 2001, 2002
Express 3500	Standard Cargo Van	1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Express 3500	Cutaway Van	1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Express 3500	Standard Passenger Van	1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Express 4500		2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
K1500	Extended Cab Pickup	1997, 1998, 1999
K1500	Standard Cab Pickup	1997, 1998, 1999
K1500 Suburban		1998, 1999
K2500	Cab & Chassis	1998, 1999, 2000
K2500	Extended Cab Pickup	1998, 1999, 2000
K2500	Standard Cab Pickup	1998, 1999, 2000
K2500 Suburban		1998, 1999
K3500		1998, 1999, 2000
Lumina		1997, 1998, 1999, 2000, 2001
Malibu		1997, 1998, 1999
Monte Carlo		1997, 1998, 1999
P30		1996, 1997, 1998, 1999
S10		1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
T6500		2004, 2005, 2006
T7500		2004, 2005, 2006
T8500		2004, 2005, 2006
Tahoe	Sport Utility	1998, 1999

About this product

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

Help seal out contaminants
Help protect fuel tank sending unit
GM-recommended replacement part for your GM vehicle's original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

Product Specifications

ClassificationOE

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:

The locking ring and seal should be replaced when replacing a fuel pump.
Refer to your Vehicle Owner's manual for additional vehicle maintenance practices.

Model	Body Style	Year(s)
Astro		1997, 1998, 1999
Beretta		1993, 1994, 1995, 1996
Blazer		1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
C1500	Extended Cab Pickup	1997, 1998, 1999
C1500	Standard Cab Pickup	1997, 1998, 1999
C1500 Suburban		1998, 1999
C2500	Standard Cab Pickup	1998, 1999, 2000
C2500	Cab & Chassis	1998, 1999, 2000
C2500	Extended Cab Pickup	1998, 1999, 2000
C2500 Suburban		1998, 1999
C3500		1998, 1999, 2000
C3500HD		1998, 1999, 2000, 2001, 2002
C4500 Kodiak	Motorhome - Cutaway	2003, 2004, 2005, 2006
C5500 Kodiak	Motorhome - Cutaway	2003, 2004, 2005, 2006
C6500 Kodiak	Cab & Chassis - Conventional	1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006
C6500 Kodiak	Cab & Chassis - Cutaway	1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006
C7500 Kodiak	Cab & Chassis - Conventional	1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006
C7500 Kodiak	Straight Truck - Medium Conventional	1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006
C7500 Kodiak	Straight Truck - Cutaway	1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006
C8500	Straight Truck - Cutaway	2003, 2004, 2005, 2006
C8500	Straight Truck - Medium Conventional	2003, 2004, 2005, 2006
Cavalier		1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Corsica		1993, 1994, 1995, 1996
Express 1500		1996, 1997, 1998, 1999, 2000, 2001, 2002
Express 2500		1996, 1997, 1998, 1999, 2000, 2001, 2002
Express 3500	Standard Cargo Van	1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Express 3500	Cutaway Van	1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Express 3500	Standard Passenger Van	1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Express 4500		2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
K1500	Extended Cab Pickup	1997, 1998, 1999
K1500	Standard Cab Pickup	1997, 1998, 1999
K1500 Suburban		1998, 1999
K2500	Cab & Chassis	1998, 1999, 2000
K2500	Extended Cab Pickup	1998, 1999, 2000
K2500	Standard Cab Pickup	1998, 1999, 2000
K2500 Suburban		1998, 1999
K3500		1998, 1999, 2000
Lumina		1997, 1998, 1999, 2000, 2001
Malibu		1997, 1998, 1999
Monte Carlo		1997, 1998, 1999
P30		1996, 1997, 1998, 1999
S10		1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
T6500		2004, 2005, 2006
T7500		2004, 2005, 2006
T8500		2004, 2005, 2006
Tahoe	Sport Utility	1998, 1999

About this product

Product details

Specifications

Product Specifications

Warranty

Maintenance

Good Maintenance Practices:

Fits these vehicles

About this product

Product details

Specifications

Product Specifications

Warranty

Maintenance

Good Maintenance Practices:

Fits these vehicles

Frequently Asked Questions