Looking for aftermarket parts to modify or upgrade your 2012 GMC Sierra 2500 HD with final drive gears? At Tunersports.com we carry a huge selection of the top name brand performance final drive gear parts and accessories.

OUT OF STOCK YG GM11.5-342Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 11.5in in a 3.42 Ratio 2001-2018 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2018 GMC Sierra 2500 HD Denali $933.89 |
IN STOCK - LOW YG GM11.5-373Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 11.5in in a 3.73 Ratio 2001-2018 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2018 GMC Sierra 2500 HD Denali $876.89 |
OUT OF STOCK YG GM11.5-411Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 11.5in in a 4.11 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $887.89 |
OUT OF STOCK YG GM11.5-430Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 11.5in in a 4.30 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $887.89 |
OUT OF STOCK YG GM11.5-456Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 11.5in in a 4.56 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $1,008.89 |
OUT OF STOCK YG GM11.5-488Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 11.5in in a 4.88 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $933.89 |
IN STOCK - DROPSHIPS YG GM11.5-513Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 11.5in in a 5.13 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $734.89 |
IN STOCK - DROPSHIPS YG GM11.5-538Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 11.5in in a 5.38 Ratio 2001-2018 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2018 GMC Sierra 2500 HD Denali $734.89 |
IN STOCK - DROPSHIPS YG GM9.25-342RYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 9.25in IFS Reverse Rotation in a 3.42 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $470.89 |
IN STOCK - DROPSHIPS YG GM9.25-373RYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 9.25in IFS Reverse Rotation in a 3.73 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $470.89 |
IN STOCK - DROPSHIPS YG GM9.25-411RYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 9.25in IFS Reverse Rotation in a 4.11 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $472.89 |
IN STOCK - LOW YG GM9.25-456RYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 9.25in IFS Reverse Rotation in a 4.56 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $470.89 |
IN STOCK - DROPSHIPS YG GM9.25-488RYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 9.25in IFS Reverse Rotation in a 4.88 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $522.89 |
IN STOCK - DROPSHIPS YG GM9.25-513RYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 9.25in IFS Reverse Rotation in a 5.13 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $553.89 |
IN STOCK - DROPSHIPS YG GM9.25-538RYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For GM 9.25in IFS Reverse Rotation in a 5.38 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $522.89 |

OUT OF STOCK ZG GM11.5-373USA Standard Ring & Pinion Gear Set For GM 11.5in in a 3.73 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $616.89 |
OUT OF STOCK ZG GM11.5-411USA Standard Ring & Pinion Gear Set For GM 11.5in in a 4.11 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $634.89 |
OUT OF STOCK ZG GM11.5-456USA Standard Ring & Pinion Gear Set For GM 11.5in in a 4.56 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $506.89 |
OUT OF STOCK ZG GM11.5-488USA Standard Ring & Pinion Gear Set For GM 11.5in in a 4.88 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $579.89 |
IN STOCK - DROPSHIPS ZG GM9.25-373RUSA Standard Ring & Pinion Gear Set For GM 9.25in IFS Reverse Rotation in a 3.73 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $333.89 |
IN STOCK - DROPSHIPS ZG GM9.25-456RUSA Standard Ring & Pinion Gear Set For GM 9.25in IFS Reverse Rotation in a 4.56 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $333.89 |
IN STOCK - DROPSHIPS ZG GM9.25-513RUSA Standard Ring & Pinion Gear Set For GM 9.25in IFS Reverse Rotation in a 5.13 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $333.89 |
IN STOCK - DROPSHIPS ZG GM9.25-538RUSA Standard Ring & Pinion Gear Set For GM 9.25in IFS Reverse Rotation in a 5.38 Ratio 2001-2015 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2015 GMC Sierra 2500 HD Denali $333.89 |