BUICK 431-103 Front Driver Left Window Regulator 125-00385 R1A6L

( Manufacturer Part Number: 431-103 ), ( Part Type: Window Driver Regulator ), ( Ipn: 125-00385 ), ( Fitment Type: Direct Replacement ), ( Modified Item: No ), ( Manufacturer Warranty: Unspecified Length ), ( Placement On Vehicle: Left )

Review BUICK Driver Left Front Window Regulator fits LACROSSE 2011–2016

The Buick 431-103 R1A6L Driver's Side Left Front Window Regulator is an essential component for the proper functioning of the power window system in your Buick Lacrosse model years 2011 to 2016. This regulator is specifically designed for the driver's side front window and is engineered to provide smooth and efficient window movement.

The R1A6L window regulator features a robust and durable design, ensuring reliable operation even in harsh environments. The window regulator consists of several parts, including the window guide, track, and various mounting brackets, all working in harmony to control the movement of the window glass.

The Buick 431-103 R1A6L window regulator is designed with advanced technology that allows for precise and accurate window positioning. The regulator utilizes a cable and pulley system that is tensioned to maintain consistent window height, ensuring an even seal with the weatherstripping and keeping out the elements.

When compared to OEM (Original Equipment Manufacturer) parts, aftermarket window regulators like the Buick 431-103 R1A6L offer several advantages. These aftermarket parts are often more affordable, allowing you to save money without compromising the quality of the replacement part. Additionally, these aftermarket parts are often available for quicker shipping times, allowing you to get back on the road sooner.

Installing the Buick 431-103 R1A6L window regulator is a relatively simple process that can be completed in a few hours by most DIY enthusiasts. However, if you are not comfortable performing the installation yourself, it is always recommended to consult with a professional technician to ensure the job is done correctly and safely.

In summary, the Buick 431-103 R1A6L Driver's Side Left Front Window Regulator is an essential replacement part for your Buick Lacrosse model years 2011 to 2016. This aftermarket regulator offers reliable operation, durability, and affordability, making it an excellent choice for those in need of a window regulator replacement.

Buying a Buick Lacrosse (2011-2016) driver side left front window regulator R1A6L involves considering both its advantages and disadvantages.

1. Improved Convenience: A faulty window regulator can cause windows to get stuck in an up or down position, making it difficult to operate. Replacing it with a new one ensures smooth and hassle-free window operation.

2. Enhanced Appearance: A fully functional window regulator helps maintain the vehicle's overall appearance by allowing the window to move up and down evenly.

3. Potential Savings: Repairing or replacing a faulty window regulator can save money compared to other potential repair costs, such as a new window or a complete power window system.

4. Increased Resale Value: A well-maintained vehicle with all its parts in good working order can command a higher resale value.

1. Cost: Replacing a window regulator can be an expensive repair, especially when considering the labor costs. The cost of the R1A6L Buick Lacrosse driver side left front window regulator itself may also be relatively high.

2. Installation Complexity: The window regulator is a complex part that involves several components, including wiring, gears, and motors. Installing it may require advanced mechanical skills or professional assistance.

Considering the advantages and disadvantages of buying a Buick Lacrosse (2011-2016) driver side left front window regulator R1A6L, it's essential to weigh the potential benefits against the costs. If the vehicle is important to you and the window regulator is causing significant inconvenience or affecting the appearance, then the investment in a new one may be worthwhile. However, if the cost is a significant concern, it may be worth exploring alternative solutions, such as repairing the existing regulator or seeking out aftermarket options.

If you decide to proceed with purchasing a new Buick Lacrosse (2011-2016) driver side left front window regulator R1A6L, make sure to buy from a reputable supplier to ensure quality and compatibility. Additionally, consider having the part installed by a professional mechanic to ensure proper installation and function.

Details:

This 2011 2012 2013 2014 2015 2016 BUICK LACROSSE Driver Front Window Regulator is in overall good condition. Most electronic parts are not plug and play. Please also use the pictures to ensure a proper fit. Compatible with: LACROSSE 11-16 L.

Shipping is via USPS or UPS.

part #: 431103 prices

• $39.71-$119.90

specifications drivlighfo:

• for models: Lacrosse
• for makes: Buick
• for years: 2011-2016
• mpn: 431-103
• part type: Window Driver Regulator
• ipn: 125-00385
• fitment type: Direct Replacement
• modified item: No
• manufacturer warranty: Unspecified Length
• placement on vehicle: Left

returns drivlighfo:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

offer drivlighfo:

• availability: In Stock
• started: November 24, 2025
• quantity: 1
• sold: 0
• options: Ship-to-home

shipping drivlighfo:

• class: Standard, Expedited
• transit: 4-8 Days
• type: Fixed
• service: Standard, Expedited
• cost: $0.00

payments drivlighfo:

• wallet: Apple-pay
• credit card: Visa
• other

seller drivlighfo:

• # reviews: 65078
• rating: 98.7%
• city: Las Vegas, Nevada

general drivlighfo:

• condition: Used
• Car Truck Parts Accessories > Lighting Lamps > Fog Light Assemblies

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