Depo 331-1129L-ASN Headlight Assembly - Left

Left Headlight Assembly for Ford Trucks and SUV

This Depo left headlight assembly is a direct-fit exterior lighting replacement for select Ford F-150, F-150 Heritage, and Expedition applications. It matches the composite headlamp style used on the listed vehicles and supports a clean repair for damaged, faded, or non-functioning driver-side lighting.

• Brand: Depo
• Part number: 331-1129L-ASN
• Left-side headlight assembly
• Composite headlamp construction
• Direct replacement for OE part number 3L3Z13008DA
• Cross-reference: FO2502139
• Compatible with select Ford F-150, Ford F-150 Heritage, and Ford Expedition models

Fitment Details

• Fits 2004 Ford F-150 Heritage, left, early design; composite; OEM: 3L3Z13008DA.
• Fits 2001-2003 Ford F-150, left, w/o Heritage Edition; composite; OEM: 3L3Z13008DA.
• Fits 1997-2002 Ford Expedition, left, composite; OEM: 3L3Z13008DA.
• Fits 1997-2000 Ford F-150, left, from 7-96; composite; OEM: 3L3Z13008DA.

What This Headlight Helps Address

• Cracked or broken driver-side headlamp housing
• Clouded or worn exterior lighting lens
• Loss of proper forward lighting on the left side
• Replacement after collision or front-end body repair
• Restoration of OE-style appearance on Ford F-150 and Expedition models

Installation Notes and Tips

Verify the vehicle year, model, and left-side configuration before installation. This part number, 331-1129L-ASN, is listed for composite headlamp applications and should be matched to the existing OE reference 3L3Z13008DA or FO2502139 when confirming fitment. Check bulb type, connectors, and aiming after installation.

Quality Assurance

Depo manufactures replacement lighting components for OE-style service applications. This headlight assembly is cataloged for the listed Ford F-150, Ford F-150 Heritage, and Ford Expedition fitments to support accurate parts matching.