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New Upgraded 1-Piece Rear Driveshaft for 2015-2019 Silverado/Sierra 2500-23396451, AA4U, AA79, 946-176
New rear driveshaft for 2015, 2016, 2017, 2018, and 2019 Chevy Silverado and GMC Sierra 2500s with double cab, 6' box, and 4X2 6.0L engine || Redesigned factory 2-piece shaft into a 1-piece for added reliability and to eliminate the factory hanger bearing || Notch or remove the old hanger bearing bracket to install the new shaft || Made with lightweight, heavy-duty, 5" aluminum tubing for increased horsepower and improved fuel economy || Electronically balanced at high speed, 1,000 RPM || Built with all new parts in Grand Rapids, Michigan || Comes with a 1-Year Unlimited Mile Warranty || Designed for optimal performance in Chevy Silverado and GMC Sierra 2500s || If you have fitment questions or concerns, our customer service team is available to help. || OEM and Reference #s - 23396451, AA4U, AA79, Dorman: 946-176 / 946176
New rear driveshaft for 2015, 2016, 2017, 2018, and 2019 Chevy Silverado and GMC Sierra 2500s with double cab, 6' box, and 4X2 6.0L engine || Redesigned factory 2-piece shaft into a 1-piece for added reliability and to eliminate the factory hanger bearing || Notch or remove the old hanger bearing bracket to install the new shaft || Made with lightweight, heavy-duty, 5" aluminum tubing for increased horsepower and improved fuel economy || Electronically balanced at high speed, 1,000 RPM || Built with all new parts in Grand Rapids, Michigan || Comes with a 1-Year Unlimited Mile Warranty || Designed for optimal performance in Chevy Silverado and GMC Sierra 2500s || If you have fitment questions or concerns, our customer service team is available to help. || OEM and Reference #s - 23396451, AA4U, AA79, Dorman: 946-176 / 946176
New Upgraded Rear Driveshaft for 2011-2015 Silverado/Sierra 2500 4X2 (Ext-Cab, 6' Box) | Dorman: 946-176/946176 | OEM: 20914838, 22772389, 22790504, 22886996, 23251127, 23396451, 25824496, 84346716
Wellbuilt Axle and Driveline Fits 2011, 2012, 2013, 2014, and 2015 Chevy Silverado and GMC Sierra 2500 with extended cab and 6' box. || Upgraded from factory 2-piece to 1-piece for added reliability. || Eliminates the factory hanger bearing by notching or removing the old bracket. || Heavy-duty, lightweight, 5" aluminum tubing increases horsepower and improves fuel economy. || Electronically balanced at high speed, 1,000 RPM for superior performance. || All new parts used for construction in Grand Rapids, Michigan. || Includes 1-Year Unlimited Mile Warranty. || Improved strength with nearly 2x thickness compared to the factory. || Redesigned for over 50% more strength than the factory shaft. || OEM and Reference #s - Dorman: 946-176 / 946176 | OEM: 20914838, 22772389, 22790504, 22886996, 23251127, 23396451, 25824496, 84346716, AAD8, AAN6, KADA, KAF4, SC7
Wellbuilt Axle and Driveline Fits 2011, 2012, 2013, 2014, and 2015 Chevy Silverado and GMC Sierra 2500 with extended cab and 6' box. || Upgraded from factory 2-piece to 1-piece for added reliability. || Eliminates the factory hanger bearing by notching or removing the old bracket. || Heavy-duty, lightweight, 5" aluminum tubing increases horsepower and improves fuel economy. || Electronically balanced at high speed, 1,000 RPM for superior performance. || All new parts used for construction in Grand Rapids, Michigan. || Includes 1-Year Unlimited Mile Warranty. || Improved strength with nearly 2x thickness compared to the factory. || Redesigned for over 50% more strength than the factory shaft. || OEM and Reference #s - Dorman: 946-176 / 946176 | OEM: 20914838, 22772389, 22790504, 22886996, 23251127, 23396451, 25824496, 84346716, AAD8, AAN6, KADA, KAF4, SC7
Number on catalog scheme: 14
