Depo 336-1123L-AS Headlight Assembly - Left

Left Headlight Assembly for Buick Regal

This Depo headlight assembly is a direct-fit exterior lighting replacement for the left side of select Buick Regal models. It is listed for 2011-2014 Buick Regal applications with halogen, composite headlamp equipment, making it a focused option for restoring front-end lighting performance and appearance.

Key Features

• Depo part number 336-1123L-AS
• Left-side headlight assembly for Buick Regal
• Fits 2011-2014 Buick Regal, left
• Halogen; composite construction noted in fitment
• OE reference numbers listed in fitment notes: GM2502353 and OEM 22794767

Detailed Description

Built for the left front position, this headlight assembly is matched to the listed Buick Regal fitment and halogen composite configuration. If you are replacing a damaged, cloudy, or non-functioning driver-side lamp on a 2011-2014 Buick Regal, part number 336-1123L-AS provides a vehicle-specific lighting solution that aligns with the original application details. The fitment notes also identify GM2502353 and OEM 22794767 for cross-checking against the existing unit.

Depo 336-1123L-AS is a practical choice when you need a replacement headlamp for a Buick Regal left side assembly without changing the vehicle’s lighting layout. Search terms such as 2011 Buick Regal left headlight assembly, 2012-2014 Buick Regal driver side headlamp, and halogen composite headlight replacement for Buick Regal all match this application.

What It Helps Address

• Broken or cracked left headlight housing
• Reduced forward lighting from a failed headlamp assembly
• Moisture intrusion caused by a compromised lamp unit
• Restoration after collision or front-end body repair
• Replacement of a worn Buick Regal driver-side headlight

Installation Notes and Tips

Verify that your vehicle is a 2011-2014 Buick Regal with halogen, composite headlamp equipment before ordering. Confirm the left-side position and compare the OE number 22794767 or GM2502353 against the existing assembly to ensure the correct match. Professional installation is recommended so the lamp is seated correctly and aimed properly after replacement.

Quality Assurance

Depo manufactures replacement lighting components for vehicle-specific applications, and this assembly is cataloged to match the listed Buick Regal fitment details. Part number 336-1123L-AS should be verified against the original unit and vehicle configuration before installation.