HomeWiper and Washer > Windshield Washer and Related ComponentsDorman 603-042 Washer Fluid Reservoir - Front
Part #: 603-042

Dorman 603-042 Washer Fluid Reservoir - Front

Front
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford and Mercury, Escape and Mariner
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Dorman Washer Fluid Reservoir 603-042

This Dorman washer fluid reservoir is a direct replacement for specific Ford Escape and Mercury Mariner applications. Built from plastic and supplied with a reservoir cap, it restores washer fluid storage for front-mounted washer systems where the original tank is cracked, leaking, or missing.

Key Features

  • Plastic reservoir construction for underhood use
  • White finish for OE-style appearance
  • Reservoir cap included
  • Replacement part for specific front washer system applications
  • Interchange reference: FR5Z17632A
  • Dorman part number 603-042

Detailed Description

Dorman 603-042 is a washer fluid reservoir engineered for specific 2001-2007 Ford Escape and 2005-2007 Mercury Mariner front washer applications. It is manufactured to handle underhood heat and engine vibration, and it is tested for fit and performance on the listed vehicle applications. This makes it a practical replacement when the original reservoir is damaged, warped, or no longer holds washer fluid properly. The Dorman 603-042 reservoir is a focused OE-style solution for Ford Escape and Mercury Mariner owners needing a front washer fluid reservoir replacement.

This part cross-references FR5Z17632A for the same application.

What It Helps Fix

  • Washer fluid leaks from a cracked reservoir
  • Loss of washer fluid storage capacity
  • Broken or missing reservoir cap issues
  • Reservoir damage from heat and vibration
  • Washer system service needs on front-mounted applications

Installation Notes and Tips

Compatible with 2001-2006 Ford Escape, front, wo/Pumps; 2007 Ford Escape, front, wo/Pumps; To 1/06/07; 2005-2006 Mercury Mariner, front, wo/Pump; and 2007 Mercury Mariner, front, wo/Pump; To 1/06/07. Verify the vehicle’s washer system configuration before ordering, since pump-related notes vary by application. Mounting hardware and mounting bracket are not included.

Quality Assurance

This Dorman washer fluid reservoir is tested to confirm fit and performance on the specified vehicle applications. Its plastic construction is selected for the demands of underhood heat and engine vibration.

BrandDorman
Part Number603-042
ColorWhite
MaterialPlastic
Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Package ContentsWasher Fluid Reservoir
Reservoir Cap IncludedYes

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2007FordEscapeFrontwo/Pumps; To 1/06/07
2007MercuryMarinerFrontwo/Pump; To 1/06/07
2006FordEscapeFrontwo/Pumps
2006MercuryMarinerFrontwo/Pump
2005FordEscapeFrontwo/Pumps
2005MercuryMarinerFrontwo/Pump
2004FordEscapeFrontwo/Pumps
2003FordEscapeFrontwo/Pumps
2002FordEscapeFrontwo/Pumps
2001FordEscapeFrontwo/Pumps

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

FR5Z17632A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.