OE Quality
60-Day Returns

Depo 335-1161L-ACN2 Headlight Assembly - Left
Overview of Depo Headlight Assembly for GMC Terrain
The Depo 335-1161L-ACN2 headlight assembly is designed specifically for GMC Terrain models, providing reliable exterior lighting performance. This replacement part ensures proper fitment and restores your vehicle's front lighting functionality.
- Direct replacement headlight assembly for GMC Terrain
- Part number 335-1161L-ACN2 for accurate identification
- Designed for exterior lighting applications
- Durable construction to withstand road conditions
- Compatible with GMC Terrain models requiring this specific assembly
Product Details and Specifications
This headlight assembly from Depo is engineered to meet the lighting requirements of GMC Terrain vehicles. The part number 335-1161L-ACN2 corresponds to a left-side headlight assembly that integrates seamlessly with the vehicle's existing electrical system. Manufactured with quality materials, it offers consistent illumination and maintains the original equipment appearance. This assembly is intended for exterior lighting and body applications, ensuring your GMC Terrain maintains proper visibility and safety standards.
Common Uses and Problem Resolution
- Replacement for damaged or cracked headlight assemblies on GMC Terrain
- Restores proper headlight function after impact or wear
- Improves nighttime visibility and road safety
- Addresses issues with moisture or fogging inside the headlight housing
- Resolves electrical connection problems related to the headlight unit
Installation Notes and Tips
When installing the Depo 335-1161L-ACN2 headlight assembly on your GMC Terrain, ensure the vehicle is turned off and the battery is disconnected to prevent electrical hazards. Align the assembly carefully with the mounting points and secure it firmly to avoid misalignment. Verify all electrical connectors are properly attached before testing the headlight function. Professional installation is recommended if you are unfamiliar with automotive lighting systems.
Quality Assurance and Warranty
Depo manufactures this headlight assembly to meet industry standards for fit and function. While specific warranty details are not provided, Depo products typically undergo quality control to ensure durability and performance. Using the correct part number 335-1161L-ACN2 guarantees compatibility with GMC Terrain models, supporting reliable operation over time.
This part fits 4 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2017 | GMC | Terrain | Denali | Left | Composite; Composite; OEM: 84064624; GM2502436C; Composite; OEM: 84064624; OEM: 84064624 |
| 2017 | GMC | Terrain | Denali | Left | Composite; Composite; OEM: 84791978; GM2502436C; Composite; OEM: 84791978; OEM: 84791978 |
| 2016 | GMC | Terrain | Denali | Left | Composite; Composite; OEM: 84791978; GM2502436C; Composite; OEM: 84791978; OEM: 84791978 |
| 2016 | GMC | Terrain | Denali | Left | Composite; Composite; OEM: 84064624; GM2502436C; Composite; OEM: 84064624; OEM: 84064624 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.