Eagle Eye GM156-0000L Side Marker Light Assembly - Front Left

GMC Sierra Left Side Marker Light Assembly

This Eagle Eye side marker light assembly is a direct-fit exterior lighting replacement for select GMC trucks and SUVs with composite headlamps. Built with an ABS plastic housing and amber PMMA lens, it restores the front left upper reflector location with a clean OE-style appearance.

• Brand: Eagle Eye
• Part number: GM156-0000L
• Side marker light assembly for the left front upper reflector position
• Snap-in attachment method for a secure fit
• Complete assembly with lens and housing
• Amber lens color
• ABS plastic housing with PMMA plastic lens
• No bulbs included
• No hardware included
• 2-piece type design
• For vehicles with composite headlamps

Detailed Product Overview

The Eagle Eye GM156-0000L is a left side marker light assembly made for GMC Sierra, Yukon, and Suburban applications that use the upper reflector in the front left position. It is built as a complete assembly with a snap-in mounting design, amber lens, and durable plastic construction to match the original exterior lighting layout. This part number, GM156-0000L, is also referenced for the same application under cross-reference numbers such as 5977463 and GM2550148.

Compatible With 1994-2002 GMC C1500, C2500, C3500, K1500, K2500, K3500, C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, Yukon, Sierra 1500, Sierra 2500, and Sierra 3500 in the front left upper reflector position. Use GM156-0000L when replacing a damaged, faded, or missing left side marker on these GMC models.

Common Replacement Reasons

• Cracked or broken front left side marker lens
• Faded amber lens that reduces exterior visibility
• Missing upper reflector assembly after collision repair
• Water intrusion or housing damage at the front corner
• Restoring the original lighting appearance on GMC Sierra, Yukon, or Suburban models

Installation Notes

Install in the front left upper reflector location on vehicles equipped with composite headlamps. The snap-in attachment method supports a straightforward replacement process. Verify the vehicle’s headlamp style and position before installation, and transfer any required bulbs from the original assembly since bulbs are not included.

Quality Assurance

Eagle Eye manufactures exterior lighting components for direct replacement use, and this assembly is built with application-specific materials and fitment details for the listed GMC vehicles. Confirm part number GM156-0000L and vehicle configuration before ordering to ensure correct placement.