Depo 331-1979R-AS Tail Light Assembly - Right

Right Tail Light Assembly for Mercury Mariner

This Depo tail light assembly is a direct-fit exterior lighting replacement for the right side of the 2008-2011 Mercury Mariner. It is built for drivers replacing a damaged, faded, or non-functioning rear lamp while maintaining the original vehicle lighting layout.

• Brand: Depo
• Part number: 331-1979R-AS
• Tail light assembly for the right side
• Fits 2008-2011 Mercury Mariner, right
• Cross-reference: FO2801203 and OEM 8E6Z13404A

Product Details

The Depo 331-1979R-AS is an exterior lighting replacement designed for the Mercury Mariner rear lamp position on the passenger side. It serves as a practical option when the original tail light housing is cracked, moisture-damaged, or no longer operating correctly. This part number, 331-1979R-AS, is listed for 2008-2011 Mercury Mariner right-side applications and references FO2801203 and OEM 8E6Z13404A for the same fitment.

Common Reasons for Replacement

• Broken or cracked rear lamp lens
• Water intrusion or internal condensation in the housing
• Dim, intermittent, or non-working rear lighting
• Restoring the rear appearance of a Mercury Mariner
• Replacing a damaged right tail light assembly after minor impact

Installation Notes and Tips

Verify the vehicle is a 2008-2011 Mercury Mariner and confirm the right-side location before installation. Compare the connector, mounting points, and lamp shape against the original assembly to ensure proper alignment. For best results, inspect the surrounding trim and wiring condition before installing the new tail light assembly.

Quality Assurance

Depo is an established aftermarket lighting brand known for OE-style replacement parts. The 331-1979R-AS is cataloged for the specified Mercury Mariner fitment and cross-references common OE and aftermarket numbers for straightforward part matching.