A-Premium Rear Driver Side Power Window Regulator with Motor Assembly — Direct-Fit, Preassembled

The A-Premium Rear Driver Side Power Window Regulator with Motor Assembly is a direct-fit replacement that restores smooth, quiet powered window operation for compatible Chevrolet, GMC, and Cadillac models.

If the rear driver-side window in your truck or SUV is slow, stuck, or not moving at all, swapping in a complete regulator and motor assembly is the fastest way to regain reliable function. This A-Premium unit is made to match factory mounting points and electrical connections for specific Chevy, GMC and Cadillac trucks and SUVs from the early-to-mid 2000s, delivering a like-new feel without the dealer price.

Which vehicles will this rear left regulator fit?

This assembly is intended for the rear (driver-side) window on a range of Chevrolet, GMC and Cadillac models built in 2000–2007. Always confirm fitment against your VIN or the part reference numbers before ordering.

• Chevrolet: Silverado 1500/2500 HD/3500 (2001–2006), Suburban 1500/2500 (2000–2006), Avalanche 1500/2500 (2002–2006), Silverado HD/Classics (specific 2001–2007 model years)
• GMC: Sierra 1500/2500/3500, Sierra HD/Classics, Yukon XL 1500/2500 (2000–2007 ranges)
• Cadillac: Escalade ESV (2003–2006) and Escalade EXT (2002–2006)
• Reference numbers: 741-578, 741578, 15135970, 15077722 — use these to verify compatibility

How does this regulator install and perform compared with the original?

The A-Premium regulator is engineered as a direct-fit replacement, matching factory mounting points and the electrical connector layout for a straightforward swap. It’s built for smooth, quiet operation and reduced installation time, so you can get the window working again without extensive modifications.

• Direct-fit design: matches OE bolt pattern and connector locations
• Preassembled motor and regulator: reduces labor and troubleshooting
• Engineered for quieter travel and consistent window alignment
• Tool-friendly installation: typical door-panel access and basic hand tools required

What materials and quality assurances are included?

A-Premium manufactures its assemblies with reinforced mounting points and durable motor components designed for long service life under normal driving conditions. The product ships fully assembled and is backed by a one-year unlimited-mileage guarantee to protect against manufacturing defects.

• Durable motor and gear set for steady torque and lifespan
• Robust regulator arms and guide rails to maintain window alignment
• Pre-tested fit and operation prior to packing
• One-year unlimited-mileage warranty for buyer confidence

How should I check fitment before buying?

Confirming fitment prevents returns and ensures a smooth installation. Compare the reference numbers and the vehicle lists below, inspect your door’s mounting style, and, when possible, check the existing part number on the old regulator.

• Compare reference numbers: 741-578 / 741578 / 15135970 / 15077722
• Confirm year, make, model and trim against the provided vehicle fitment list
• Inspect the current regulator’s mounting bolt pattern and connector shape
• If unsure, provide your VIN to the seller or use the compatibility checker

Who is this for? This A-Premium rear left power window regulator and motor assembly is for owners and mechanics who need a reliable, direct-fit replacement for problem rear driver-side windows on early-2000s Chevrolet, GMC and Cadillac trucks and SUVs. It’s suitable for DIY installers comfortable removing an interior door panel and for shops that want a ready-to-install, warrantied aftermarket option without sourcing OEM parts.