TRQ Rear Left Window Regulator Driver Side Compatible with 2006-2013

In this review the TRQ Rear Left Window Regulator for the driver side is assessed as a practical direct-replacement option for 2006-2013 Audi A3 and A3 Quattro owners seeking a budget-friendly repair. The bottom line: it fits the intended models and simplifies installation because it is an application-specific, pre-assembled regulator with mounting hardware included, making it a sensible choice for DIYers who want a straightforward swap without fabricating parts. The review focuses on fit, ease of installation, and common real-world limitations reported by owners.

Key Features

• Direct-fit design: Pre-assembled components are built to match the original equipment pattern so the regulator mounts cleanly without modifications.
• Compatibility listing: Includes multiple reference numbers such as 8P4839461A and 135-50112L so buyers can confirm fit against their vehicle reference sheet.
• Galvanized steel frame: The galvanized frame offers corrosion resistance and a rigid base intended to hold alignment under normal conditions.
• Mounting hardware included: Supplied hardware reduces the chance of missing fasteners during install and speeds up replacement.
• Installer-friendly approach: TRQ provides a large catalog of DIY videos to help customers "view before they do," which is useful for first-time installers.
• Heavy duty intent: Upgraded components aim to resist premature failure compared with basic aftermarket units.

Who It's For

This regulator is best for Audi A3 and A3 Quattro owners from model years 2006 through 2013 who need a direct replacement for a rear driver side electric window regulator and prefer to perform the repair themselves. It is especially useful for home mechanics who value clear video guidance and a package that includes mounting hardware.

It is less suited to buyers who need a unit with an integrated motor included or those who require an OEM-branded part for warranty or dealership-level repair. Also, customers who prioritize premium build solidity over value may consider a higher-end alternative.

Pros & Cons

Pros

• Works well as a replacement and generally fits the listed model years without modification.
• Includes mounting hardware and a galvanized frame to assist in a stable installation.
• Good value for money and backed by extensive DIY video resources to guide installation.
• Multiple reference numbers provided make compatibility checks straightforward.

Cons

• Motor is not included, so customers who need a powered assembly must purchase a motor separately.
• Some owners report mixed build feel and occasional difficulty with smooth rollability under certain conditions.

Specifications

Fitment	2006-2013 Audi A3 Rear Driver Side; A3 Quattro Rear Driver Side
Frame Material	Galvanized Steel
Window Operation Type	Electric (regulator only, motor not included)
Mounting Hardware	Included
Installation Instructions	Not included; DIY videos available
Reference Numbers	Includes 8P4839461A, 8P4839461B, 135-50112L and others

Our Verdict

The TRQ Rear Left Window Regulator is a practical, cost-effective repair choice for 2006-2013 Audi A3 and A3 Quattro owners who want a direct-fit, installer-friendly part and plan to do the work themselves. It offers clear compatibility references and helpful DIY videos, though buyers should add a motor if theirs failed and be aware some users note mixed rollability and build feel.

Frequently Asked Questions

Does this regulator include the motor?
No, the listing specifies the motor is not included; this unit is the regulator assembly only and will require a separate motor if needed.

Will this fit my 2010 Audi A3 Quattro?
Yes, the unit is listed as compatible with 2006-2013 Audi A3 and A3 Quattro rear driver side models, but confirm against the reference numbers and your car's part reference.

Are installation instructions provided?
Paper instructions are not included, but TRQ supplies an extensive library of DIY videos to guide the replacement process.