LAFORMO Rear Driver-Side Power Window Regulator with Motor — 2000–2006 GM Trucks/SUVs, OE Fit

LAFORMO 741-578 is a direct-replacement rear driver-side power window regulator assembly with motor engineered to restore smooth, reliable window operation on compatible GM trucks and SUVs.

This complete regulator-and-motor assembly replaces the rear left (driver-side) window mechanism in many Chevrolet, GMC and Cadillac models from the early 2000s. It’s built to match OE mounting points and electrical connections for a plug-and-play swap, eliminating the need for wire splicing or major door modifications. Factory-referenced part numbers include 15077722, 15135970, 741-578 and GM1550114 for straightforward cross-referencing when checking fitment.

Which vehicles and years does this LAFORMO part fit?

This assembly fits a range of GM full-size trucks and SUVs. Confirm compatibility by comparing your vehicle’s year, model and door side to the listed fitment or cross-reference the OEM part numbers before purchasing.

• Chevrolet: Silverado, Suburban, Avalanche (model years 2000–2006 where specified)
• GMC: Sierra, Yukon XL (early 2000s models compatible)
• Cadillac: Escalade (2002–2006 compatibility)
• Cross-reference numbers: 15077722, 15135970, 741-578, GM1550114

How easy is installation and what tools will I need?

The unit is designed for a straightforward replacement using OE-style connectors and mounting points. Typical installation requires removing the door panel, unplugging the factory connector, unbolting the original regulator, and installing the LAFORMO assembly in reverse order.

• Simple plug-and-play electrical connection—no cutting or splicing
• Common hand tools required: screwdriver, socket set, trim tools
• Estimated time: one to two hours for a person familiar with door-panel removal
• Torque hardware to factory specifications for secure fitment

What performance and durability features does this regulator deliver?

Built to withstand the repetitive motion of automotive windows, the LAFORMO assembly is cycle-tested and assembled to resist premature wear. The motor and regulator components are balanced for efficient operation and quieter movement compared with worn originals.

• Includes motor and regulator pre-assembled for precise alignment
• Tested by cycling up and down thousands of times to verify longevity
• OE-style mounting and hardware locations promote consistent operation
• Backed by a 1-year warranty for parts and workmanship

Will this part match my original connector and mounting points?

Yes—LAFORMO supplies this regulator with matching connectors and factory-style mounting positions to simplify replacement. Always compare the connector shape and bolt pattern to your existing unit before installation.

• Factory-compatible electrical plug reduces installation complexity
• Mounting holes and track geometry follow original equipment dimensions
• Designed to accept existing window glass and door hardware without modification

Who is this for: This LAFORMO rear driver-side power window regulator and motor assembly is aimed at DIY mechanics, independent repair shops and fleet managers repairing early-2000s Chevrolet, GMC and Cadillac full-size vehicles. If your rear left window is slow, noisy, intermittently working, or won’t move at all, this OE-style replacement provides a direct-fit solution that restores reliable, long-lasting window function without complex wiring or fabrication.