HomeElectrical, Lighting and Body > Lighting - ExteriorDepo 331-1173L-AS2 Headlight Assembly - Left
Part #: 331-1173L-AS2

Depo 331-1173L-AS2 Headlight Assembly - Left

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⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mustang
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🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Depo Headlight Assembly for Ford Mustang

The Depo 331-1173L-AS2 headlight assembly is designed specifically for Ford Mustang models, providing reliable exterior lighting performance. This replacement part ensures proper fitment and restores your vehicle's front lighting to factory standards.

  • Direct replacement headlight assembly for Ford Mustang
  • Part number 331-1173L-AS2 ensures exact fit and compatibility
  • Manufactured by Depo, a recognized brand in automotive lighting
  • Meets exterior lighting requirements for safe night driving
  • Includes AS2 certified lens for quality light transmission

Detailed Product Description

This Depo headlight assembly (part number 331-1173L-AS2) is engineered to match the original equipment specifications for Ford Mustang vehicles. It features a durable housing and an AS2 certified lens that complies with safety standards for exterior lighting. The assembly is designed to integrate seamlessly with the Mustang's existing wiring and mounting points, ensuring straightforward installation and reliable operation. This headlight assembly is suitable for restoring the front lighting system on Ford Mustang models requiring a left-side replacement.

Common Applications and Problem Resolution

  • Replacement for cracked or damaged headlight lens or housing
  • Restores proper illumination for improved nighttime visibility
  • Fixes issues related to moisture or fogging inside the headlight
  • Resolves electrical connection problems affecting headlight function
  • Upgrades worn or faded headlights to maintain vehicle appearance

Installation Notes and Tips

  • Compatible with Ford Mustang models requiring left-side headlight assembly
  • Ensure vehicle battery is disconnected before installation to prevent electrical shorts
  • Verify alignment and secure mounting points to avoid headlight misalignment
  • Check all electrical connectors for corrosion or damage prior to installation
  • Consult vehicle service manual for detailed removal and installation procedures

Quality Assurance and Warranty Information

Depo manufactures this headlight assembly to meet industry standards for durability and performance. While specific warranty details may vary, Depo products typically include a limited warranty covering defects in materials and workmanship. This ensures that the 331-1173L-AS2 headlight assembly maintains reliable function when installed according to manufacturer guidelines.

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2004FordMustangLeftComposite; FO2502177; Composite; OEM: 3R3Z13008DA; OEM: 3R3Z13008DA
2003FordMustangLeftComposite; FO2502177; Composite; OEM: 3R3Z13008DA; OEM: 3R3Z13008DA
2002FordMustangLeftComposite; FO2502177; Composite; OEM: 3R3Z13008DA; OEM: 3R3Z13008DA
2001FordMustangLeftComposite; FO2502177; Composite; OEM: 3R3Z13008DA; OEM: 3R3Z13008DA

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.