Are all bulb sockets the same?

No. Some sockets have more contacts than others, depending on their function.

Is there a reason there is grease in my old socket?

Yes. It is dielectric grease which is designed to keep water out to protect the contacts from corrosion.

GM Genuine Parts Gray Multi-Purpose Lamp Socket

About this product

GM Genuine Parts Socket Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These assemblies securely hold interior and exterior light bulbs and provide the electrical connection required to operate the bulb. 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

Provides connection for light bulb contacts to operate bulb
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

Wire Harness Length17.71 in / 450 mm

ClassificationOE

Wire Gauge Measurement20

Terminal Quantity2

Wire Quantity2

Terminal TypePressure Contact

Wire Harness Length17.71 in / 450 mm

Wire Gauge Measurement20

Wire Quantity2

ClassificationOE

Terminal Quantity2

Terminal TypePressure Contact

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:

Before purchasing and installing a socket assembly, make sure it is the correct size and fit for your vehicle.
Have a trained technician replace the socket assembly.
Regularly inspect socket assemblies for signs of damage or wear, and replace them if signs of damage are found.

Model	Body Style	Trim	Year(s)
Canyon			2006, 2007, 2008
Envoy			2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Envoy XL			2002, 2003, 2004, 2005, 2006
Envoy XUV			2004, 2005
Jimmy			1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Safari			1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Savana 1500			1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Savana 2500			1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Savana 3500	Standard Passenger Van		1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Savana 3500	Standard Cargo Van		1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Savana 4500			2013
Sierra 1500			1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Sierra 1500 Classic			2007
Sierra 1500 HD			2001, 2002, 2003, 2004, 2005, 2006
Sierra 1500 HD Classic			2007
Sierra 2500			1999, 2000, 2001, 2002, 2003, 2004
Sierra 2500 HD	Crew Cab Pickup		2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Sierra 2500 HD	Cab & Chassis		2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Sierra 2500 HD Classic			2007
Sierra 3500	Crew Cab Pickup		2001, 2002, 2003, 2004, 2005, 2006
Sierra 3500	Cab & Chassis		2001, 2002, 2003, 2004, 2005, 2006
Sierra 3500 Classic			2007
Sierra 3500 HD			2007, 2008, 2009
Sonoma			1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Yukon		Denali	1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Yukon XL 1500			2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Yukon XL 2500			2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009

About this product

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

Provides connection for light bulb contacts to operate bulb
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

Wire Harness Length17.71 in / 450 mm

ClassificationOE

Wire Gauge Measurement20

Terminal Quantity2

Wire Quantity2

Terminal TypePressure Contact

Wire Harness Length17.71 in / 450 mm

Wire Gauge Measurement20

Wire Quantity2

ClassificationOE

Terminal Quantity2

Terminal TypePressure Contact

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:

Before purchasing and installing a socket assembly, make sure it is the correct size and fit for your vehicle.
Have a trained technician replace the socket assembly.
Regularly inspect socket assemblies for signs of damage or wear, and replace them if signs of damage are found.

Model	Body Style	Trim	Year(s)
Canyon			2006, 2007, 2008
Envoy			2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Envoy XL			2002, 2003, 2004, 2005, 2006
Envoy XUV			2004, 2005
Jimmy			1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Safari			1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Savana 1500			1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Savana 2500			1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Savana 3500	Standard Passenger Van		1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Savana 3500	Standard Cargo Van		1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Savana 4500			2013
Sierra 1500			1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Sierra 1500 Classic			2007
Sierra 1500 HD			2001, 2002, 2003, 2004, 2005, 2006
Sierra 1500 HD Classic			2007
Sierra 2500			1999, 2000, 2001, 2002, 2003, 2004
Sierra 2500 HD	Crew Cab Pickup		2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Sierra 2500 HD	Cab & Chassis		2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Sierra 2500 HD Classic			2007
Sierra 3500	Crew Cab Pickup		2001, 2002, 2003, 2004, 2005, 2006
Sierra 3500	Cab & Chassis		2001, 2002, 2003, 2004, 2005, 2006
Sierra 3500 Classic			2007
Sierra 3500 HD			2007, 2008, 2009
Sonoma			1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Yukon		Denali	1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Yukon XL 1500			2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Yukon XL 2500			2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009

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

Are all bulb sockets the same?

Is there a reason there is grease in my old socket?

GM Genuine Parts Gray Multi-Purpose Lamp Socket

GM Genuine Parts Gray Multi-Purpose Lamp Socket