TYC
TYC Regular

TYC 20-6400-90 Headlight Assembly - Left

Brand TYC 20-6400-90
Position Left
Bulb Type Halogen
Bulbs Included Yes
High Beam Bulb Included YES
High Beam Bulb Type Halogen
Housing Material Plastic
Lens Material Plastic
Low Beam Bulb Included YES
Low Beam Bulb Type HB5
Product line TYC Regular
Fits Mercury · 2 vehicles

Halogen bulbs included. Ready for a straightforward headlight assembly replacement.

Plastic lens and housing. Lightweight construction for dependable exterior lighting.

TYC Regular line. A practical lighting solution from TYC.

Cross-references Mercury 3W3Z 13008 DA and Partslink FO2502197 for the same application. See all 2.

$97.38Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $97.38
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Free returns within 60 days if it doesn't fit when fitment is verified.

TYC 20-6400-90 Left Headlight Assembly

Restore front-end lighting on your Mercury Marauder with this TYC Regular left headlight assembly. The TYC 20-6400-90 is built with a plastic lens and plastic housing and includes halogen bulbs for both high and low beam service.

Compatible with 2003-2004 Mercury Marauder, left. This headlight assembly supports direct replacement needs for drivers replacing a damaged, cloudy, or non-functioning front lamp on the Mercury Marauder.

Key Features

  • Brand: TYC Regular
  • Part number: 20-6400-90
  • Headlight assembly for the left side
  • Bulbs included: Yes
  • Bulb type: Halogen
  • High beam bulb included: Yes
  • High beam bulb type: Halogen
  • Low beam bulb included: Yes
  • Low beam bulb type: HB5
  • Plastic lens and plastic housing

Detailed Description

The TYC 20-6400-90 headlight assembly is a direct-fit exterior lighting replacement for the left side of the 2003-2004 Mercury Marauder. It is configured with halogen lighting and includes the bulbs needed for high beam and low beam operation, helping simplify the replacement process for a worn or damaged headlamp. The plastic lens and housing provide a lightweight OE-style construction for standard repair work.

TYC Regular focuses on practical replacement lighting components for everyday repair use. For shoppers searching for a 2003 Mercury Marauder left headlight assembly, 2004 Mercury Marauder driver side headlamp, or TYC 20-6400-90 replacement, this unit matches the listed application and lighting configuration. This part cross-references Ford Motorcraft (e.g., 3W3Z 13008 DA) for the same application.

What It Helps Fix

  • Broken or cracked left headlight lens
  • Dim or failed halogen headlamp output
  • Moisture intrusion from a damaged housing
  • Clouded or yellowed front lighting assembly
  • Loss of proper nighttime visibility on the Mercury Marauder

Installation Notes and Tips

Verify the vehicle is a 2003-2004 Mercury Marauder and confirm left-side placement before installation. Compare the connector, bulb type, and mounting points to the original assembly. After installation, aim the headlight to factory specifications and test both high and low beam operation.

Quality Assurance

TYC Regular replacement lighting is built for listed vehicle fitment and standard repair use. Confirm the part number 20-6400-90 and the OE cross-reference before ordering to ensure the correct application for your Mercury Marauder.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypePositionNotes
2004MercuryMarauderSedanLeftTYC Regular
2003MercuryMarauderSedanLeftTYC Regular
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Mercury — 3W3Z 13008 DAPartslink — FO2502197