Fits: 2007.5 thru 2014 Chevy Silverado/GMC Sierra 2500HD/3500HD Crew Cab LMM/LML 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: 

• Engineered and tested to match the fit 
• Extensively tested 
• Reliable design 
• Easy installation 
• Made in the USA

Options:

• Part# 740-444, Rear Driver-Side Power Window Regulator Assembly 
• Part# 740-445, Rear Passenger-Side Power Window Regulator Assembly
• Part# 740-444+740-445, Rear Driver-Side & Passenger-Side Power Window Regulator Assembly

Replaces Part#'s: 

• Left Rear Direct replacement for GM: 15842438, 25885880
• Right Rear Direct replacement for GM: 15842439, 25885881

Install Instructions