Depo 335-1147L-AC Headlight Assembly - Left

Reliable Headlight Assembly for GMC Sierra Models

The Depo 335-1147L-AC headlight assembly is designed specifically for GMC Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD trucks. This exterior lighting component ensures proper illumination and maintains the original look of your vehicle.

• Direct replacement headlight assembly for GMC Sierra 1500, 2500 HD, and 3500 HD
• Durable construction for long-lasting performance
• Meets OEM specifications for fit and function
• Left side (driver side) part number 335-1147L-AC
• Compatible with exterior lighting systems on specified GMC models

Product Details and Compatibility

This Depo headlight assembly (part number 335-1147L-AC) is engineered to match the original equipment specifications for GMC Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD trucks. It provides a precise fit and reliable lighting performance, ensuring your vehicle maintains proper road visibility and safety standards. The assembly is designed for the left side of the vehicle and integrates seamlessly with the existing exterior lighting system.

Common Applications and Problem Resolution

• Replacement for damaged or cracked headlight assemblies on GMC Sierra 1500, 2500 HD, and 3500 HD
• Restores proper headlight alignment and beam pattern
• Improves nighttime visibility and driving safety
• Addresses moisture or fogging issues inside the headlight housing
• Maintains vehicle appearance with OEM-style lighting

Installation Notes and Tips

Installation of the Depo 335-1147L-AC headlight assembly should be performed by a qualified technician or an experienced DIYer familiar with GMC Sierra exterior lighting components. Ensure the vehicle is turned off and the battery is disconnected before beginning installation. Align the assembly carefully to avoid misalignment and secure all mounting points firmly. Verify all electrical connections are properly seated to prevent lighting malfunctions.

Quality Assurance and Warranty

Depo manufactures this headlight assembly to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided, Depo products typically come with a limited warranty against defects in materials and workmanship. For exact warranty terms, consult the product documentation or contact the manufacturer directly.