Depo 335-1147L-AC Headlight Assembly - Left

Left Headlight Assembly for GMC Sierra

This Depo left headlight assembly is a direct-fit exterior lighting replacement for select GMC Sierra trucks. It is built for the driver-side front position and matches the composite headlamp application used on compatible Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD models.

• Brand: Depo
• Part number: 335-1147L-AC
• Left-side headlight assembly for front exterior lighting repair
• Composite headlamp application
• Fits GMC Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD applications listed below
• OE reference noted in fitment: GM2502283C / OEM: 22853029

Fitment Details

• Fits 2007-2014 GMC Sierra 2500 HD, left
• Fits 2007-2014 GMC Sierra 3500 HD, left
• Fits 2007-2013 GMC Sierra 1500, left

Product Description

Depo 335-1147L-AC is a left headlight assembly for GMC Sierra trucks with composite headlamp fitment. It is listed for 2007-2014 GMC Sierra 2500 HD, 2007-2014 GMC Sierra 3500 HD, and 2007-2013 GMC Sierra 1500 models in the driver-side front position. Use this part when replacing a damaged, cloudy, or non-functioning headlamp on a compatible GMC Sierra.

This part cross-references OE-style application numbers GM2502283C and OEM 22853029 for the same application. The Depo 335-1147L-AC part number is also useful when verifying the correct left headlight assembly before ordering.

Common Replacement Uses

• Broken or cracked driver-side headlight housing
• Dim, failed, or intermittent front lighting
• Moisture intrusion in the headlamp assembly
• Restoring proper front-end lighting after collision repair
• Replacing a worn composite headlight on a GMC Sierra

Installation Notes

Confirm the vehicle uses the composite headlamp configuration and matches the listed left-side fitment before installation. Compare the existing connector, housing shape, and OE reference numbers GM2502283C and 22853029 with the original unit. Professional installation is recommended for proper alignment and lighting performance.

Quality Assurance

Depo manufactures replacement lighting components for vehicle-specific applications, and this headlight assembly is cataloged to match the listed GMC Sierra fitments. Verify all vehicle details against the part number 335-1147L-AC before installation.