Rear Driver Side Power Window Regulator with Motor - Replacement Part

Our review of the Rear Driver Side Power Window Regulator with Motor explains who should consider this replacement part and why it stands out for many GM truck and SUV owners. This unit is best for owners who need a direct-fit, rear left (driver side) replacement that matches OEM mounting points and uses a 2-pin motor connector, offering straightforward installation without special tools. The bottom line: a practical, value-oriented option when the original regulator or motor fails and a genuine OEM-number match is required.

Key Features

• Easy Installation: Precise mounting points and a complete regulator assembly mean most installations can be completed with basic hand tools and limited vehicle disassembly.
• Direct Fit for Many GM Models: Designed to fit a range of Chevrolet, GMC, Cadillac models from the early 2000s, helping avoid fitment guesswork when the vehicle and motor pin count match.
• 2-Pin Motor Configuration: The included motor uses a 2-pin connector which ensures electrical compatibility with vehicles that use the same connector type.
• OEM Number Compatibility: Cross-references common OEM numbers such as 741-578, 741578 and related part numbers for easier verification against dealer parts lists.
• Rear Left Position: Built specifically for the rear driver side position, eliminating ambiguity about left/right orientation during purchase.
• One-Year Guarantee: Backed by a one-year warranty to address defects or issues that occur during normal use.

Who It's For

This product is aimed at owners of 2000-2007 Chevrolet, GMC and Cadillac trucks and SUVs listed in the fitment notes who need a like-for-like replacement for a failed rear left power window regulator and motor. It is particularly useful to DIY mechanics and independent shops who prefer an assembly that installs using common tools and aligns with OEM mounting points.

It is not suitable for vehicles that require a different motor connector or for customers who need a front right or passenger-side unit. Buyers unsure about the 2-pin motor configuration or exact OEM cross-reference should verify fitment before purchasing or consult a dealer for confirmation.

Pros & Cons

Pros

• Direct-fit design simplifies installation and saves time compared with fabricating mounts.
• Good value for money with a build that customers report matches OEM fit and function.
• One-year guarantee provides basic post-purchase protection against manufacturing defects.

Cons

• Some users report mixed long-term durability, so longevity can vary by vehicle and usage.
• Only compatible with vehicles that use a 2-pin motor connector, limiting fitment for some models.

Specifications

Our Verdict

For owners of compatible Chevrolet, GMC and Cadillac models who need a straightforward rear driver side window regulator replacement, this unit is a solid value that installs easily and meets OEM fit expectations. Verify the 2-pin motor and OEM numbers before buying; when they match, the product delivers convenience and a one-year guarantee that makes it a practical choice for DIY repairs or shop installations.

Frequently Asked Questions

Will this fit my Silverado from 2004?
It fits many 2001-2006 Silverado/Sierra 1500/2500 models and specific crew cab variations; confirm your year and cab type against the fitment list and 2-pin motor requirement.

Does the motor come attached?
Yes, the power window regulator is supplied as an assembly with the motor attached for the rear left position.

What if it fails after installation?
The product includes a one-year guarantee to address defects or functional issues during normal use; retain proof of purchase to make a claim.