Depo K31-1188L-UC Headlight Assembly - Left

Left Headlight Assembly for Grand Marquis

This Depo headlight assembly is a direct-fit exterior lighting replacement for the driver side of select Mercury Grand Marquis models. It is built for 2003-2004 Mercury Grand Marquis applications with the noted production cutoff, making it a focused choice for restoring front-end lighting on the Mercury Grand Marquis.

• Brand: Depo
• Part number: K31-1188L-UC
• Headlight assembly for the left side
• Bright composite-style exterior lighting replacement
• Fits 2003-2004 Mercury Grand Marquis, left, to 8-7-03
• OE reference: FO2502187C

Fitment Details

Compatible with 2003-2004 Mercury Grand Marquis, left, with the production note to 8-7-03. This Depo K31-1188L-UC headlight assembly is listed for the driver-side front lighting position and is referenced for the Mercury Grand Marquis in the 2003 and 2004 model years.

Common Replacement Uses

• Restoring a damaged or cracked driver-side headlight housing
• Replacing a cloudy or worn exterior lamp assembly
• Addressing reduced forward lighting output from an aging unit
• Correcting fitment after front-end body repair on a Mercury Grand Marquis

Installation Notes

Verify the vehicle build date before ordering, since this listing applies to Grand Marquis models built to 8-7-03. This headlight assembly is specified without bulbs or sockets, so transfer or source the required lighting components separately as needed. Confirm left-side placement and OE reference FO2502187C before installation.

Quality Assurance

Depo manufactures replacement lighting components for direct vehicle applications, and this part is identified by part number K31-1188L-UC for accurate ordering and fitment verification.