Fits: 2007.5 thru 2013 Chevy Silverado/GMC Sierra 2500HD/3500HD LMM/LML Extended Cab Duramax Diesel

This replacement window regulator is precision-engineered and extensively tested to match the exact fit, function and performance of the stock window regulator on specific vehicle years, makes and models. Trustworthy replacement - engineered and tested to match the fit, function and performance of the original window regulator on specified vehicles. Quality assured - extensively tested by cycling thousands of times in an actual vehicle door to ensure a long, trouble-free service life. Reliable design - engineered in the USA and backed by long history of automotive aftermarket experience. Easy installation - reverse-engineered to match the original equipment shape and dimensions to provide a direct, seamless fit.

Features: 

• Improved Replacement
• Failure-resistant design
• Enhanced components
• Trustworthy quality

Options: 

• Part# 740-386, Rear Driver-Side Manual Window Regulator
• Part# 740-387, Rear Passenger-Side Manual Window Regulator 
• Part# 740-386+740-387,  Rear Driver-Side & Passenger-Side Manual Window Regulator 

Replaces Part#'s: 

• Left Rear Direct replacement for GM: 15901324
  
• Right Rear Direct replacement for GM: 15901325

Install Instructions