Depo 335-1121L-AS Headlight Assembly - Left

Left Headlight Assembly for Escalade and Yukon

This Depo left headlight assembly is a direct-fit exterior lighting replacement for 1999-2000 Cadillac Escalade and 1999-2000 GMC Yukon models with composite headlamp applications. Part number 335-1121L-AS is built for the driver-side position and matches OE reference numbers used on these vehicles.

• Depo headlight assembly for the left side
• Fits 1999-2000 Cadillac Escalade, left
• Fits 1999-2000 GMC Yukon, left
• Composite headlamp application
• OE reference numbers: GM2502217 and OEM 15738657
• Part number: 335-1121L-AS

Detailed Fitment and Application

Use this headlight assembly when replacing a damaged, cloudy, or non-functioning driver-side lamp on a 1999-2000 Cadillac Escalade or 1999-2000 GMC Yukon. The 335-1121L-AS is listed for the left position and follows the composite headlight configuration shown in the fitment data. This part cross-references OE numbers GM2502217 and 15738657 for the same application.

Common Reasons for Replacement

• Cracked or broken headlight lens housing
• Reduced forward lighting from a worn assembly
• Moisture intrusion in the lamp housing
• Restoring proper driver-side lighting after collision damage
• Replacing a failed original headlight assembly

Installation Notes

Verify the vehicle uses the composite headlight setup before ordering. Confirm left-side fitment against the existing lamp and OE reference numbers 335-1121L-AS, GM2502217, and 15738657 before installation. Professional installation is recommended to ensure proper alignment and lighting performance.

Quality Assurance

Depo manufactures replacement lighting components for exterior vehicle applications, and this headlight assembly is cataloged to match the specified OE references for the listed Cadillac Escalade and GMC Yukon fitments.