This part fits the following vehicles:

Compatible with GMC Sierra 3500 HD 2007 - Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2008 - Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2009 - Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2010 - Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2012 - SLE;Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2012 - SLT;Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2012 - WT;Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2013 - SLE;Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2013 - SLT;Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2013 - WT;Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2014 - SLE;Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2014 - SLT;Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual Filament Back-Up Bulb
Compatible with GMC Sierra 3500 HD 2014 - WT;Left;Dual Rear Wheels;Components Included: Complete Assembly;Bulb Type: Dual