Dorman 54101 Washer Fluid Reservoir Cap

Brand Dorman 54101
Color Matte Black
Height 0.47 in
Material Plastic
Outside Diameter 1.44
Package Contents 1 Washer Fluid Cap
Reservoir Cap Type Snap On
Universal Fit No
Fits Ford, Lincoln, and Mercury · 25 vehicles

OE-style replacement. Matches the original cap's fit and function.

Snap-on design. Installs securely on the reservoir opening.

Plastic construction. Built for durable, reliable performance.

Cross-references 6E5Z17618A for the same application. See all 1.

$27.85Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $27.85
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Washer Fluid Reservoir Cap for Ford, Lincoln, and Mercury

Dorman 54101 is a matte black plastic washer fluid reservoir cap built to match the fit and function of the original cap on specified vehicles. It is shaped for a secure snap-on fit and is engineered for durable, reliable performance in everyday use.

  • Matte black plastic construction
  • Snap-on reservoir cap design
  • Outside diameter: 1.44 in
  • Height: 0.47 in
  • Direct replacement for the original washer fluid reservoir cap
  • Compatible with Ford Fusion, Lincoln MKZ, Mercury Milan, and Lincoln Zephyr applications listed below

Detailed Product Information

This washer fluid reservoir cap is designed for vehicles that use the OE-style snap-on reservoir opening and need a replacement cap that matches the original fit and function. Dorman 54101 helps restore a proper seal at the washer fluid reservoir, with dimensions and material selection intended to align with the factory-style part. This part cross-references Ford OE number 6E5Z17618A for the same application.

Vehicle fitment includes 2006-2012 Ford Fusion, 2007-2012 Lincoln MKZ, 2006-2011 Mercury Milan, and 2006 Lincoln Zephyr. Search terms such as washer fluid reservoir cap for 2006-2012 Ford Fusion, washer reservoir cap for 2007-2012 Lincoln MKZ, and replacement washer fluid cap for 2006-2011 Mercury Milan align with this application.

Common Uses

  • Replaces a missing washer fluid reservoir cap
  • Addresses a loose or damaged snap-on cap
  • Restores a proper closure at the washer fluid reservoir opening
  • Helps prevent washer fluid from escaping through an unsecured reservoir top
  • Supports a clean OE-style appearance under the hood

Installation Notes and Tips

Confirm reservoir opening size and cap style before installation. This cap uses a snap-on design, so align it with the reservoir neck and press it into place until fully seated. Verify that the cap sits flush and remains secure after installation. Fitment is not universal.

Quality Assurance

Dorman designs this replacement cap to match the fit and function of the original part on specified vehicles. The plastic construction and OE-style dimensions support dependable service in the intended applications.

This part fits 25 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2012FordFusion3.0LV6FLEXN/AFits brake pedal pad for automatic and manual vehicles.
2012FordFusion——GASN/AFits brake pedal pad for automatic and manual vehicles.
2012LincolnMKZ——GASN/AFits brake pedal pad for automatic and manual vehicles.
2011FordFusion3.0LV6FLEXN/AFits brake pedal pad for automatic and manual vehicles.
2011FordFusion——GASN/AFits brake pedal pad for automatic and manual vehicles.
2011LincolnMKZ——GASN/AFits brake pedal pad for automatic and manual vehicles.
2011MercuryMilan3.0LV6FLEXN/AFits brake pedal pad for automatic and manual vehicles.
2011MercuryMilan——GASN/AFits brake pedal pad for automatic and manual vehicles.
2010FordFusion3.0LV6FLEXN/AFits brake pedal pad for automatic and manual vehicles.
2010FordFusion——GASN/AFits brake pedal pad for automatic and manual vehicles.
2010LincolnMKZ——GASN/AFits brake pedal pad for automatic and manual vehicles.
2010MercuryMilan3.0LV6FLEXN/AFits brake pedal pad for automatic and manual vehicles.
2010MercuryMilan——GASN/AFits brake pedal pad for automatic and manual vehicles.
2009FordFusion——GASN/AFits brake pedal pad for automatic and manual vehicles.
2009LincolnMKZ——GASN/AFits brake pedal pad for automatic and manual vehicles.
2009MercuryMilan——GASN/AFits brake pedal pad for automatic and manual vehicles.
2008FordFusion——GASN/AFits brake pedal pad for automatic and manual vehicles.
2008LincolnMKZ——GASN/AFits brake pedal pad for automatic and manual vehicles.
2008MercuryMilan——GASN/AFits brake pedal pad for automatic and manual vehicles.
2007FordFusion——GASN/AFits brake pedal pad for automatic and manual vehicles.
2007LincolnMKZ——GASN/AFits brake pedal pad for automatic and manual vehicles.
2007MercuryMilan——GASN/AFits brake pedal pad for automatic and manual vehicles.
2006FordFusion——GASN/AFits brake pedal pad for automatic and manual vehicles.
2006LincolnZephyr———N/AFits brake pedal pad for automatic and manual vehicles.
2006MercuryMilan——GASN/AFits brake pedal pad for automatic and manual vehicles.
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
6E5Z17618A