Dorman 82598 Engine Coolant Reservoir Cap

Brand Dorman 82598
Attachment Type Twist On
Color Black
Diameter 38.1
Length (In) 0.5 in
Material Plastic
Package Contents 1 Coolant Cap
Pressure Release Lever No
Pressurized No
Type Twist
Vented No
Width (in) 1.5 in
Fits Mercury and Nissan · 6 vehicles

Direct replacement. Precisely engineered for seamless, effective replacement.

Twist-on design. Installs with a simple twist for secure attachment.

Plastic construction. Black cap built for coolant reservoir service.

Cross-references F3XY8K103A for the same application. See all 1.

$25.80Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $25.80
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Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Coolant Reservoir Cap Replacement

Restore a secure seal on the cooling system with this Dorman engine coolant reservoir cap. Part number 82598 is a direct replacement for a cracked, missing, or worn cap, with a black plastic twist-on design sized for the specified application.

Compatible with 1993-1995 Mercury Villager and 1993-1995 Nissan Quest, this coolant reservoir cap is built to match the original fit and function for those vehicles. Dorman 82598 is also cross-referenced to OE part number F3XY8K103A for the same application.

Key Features

  • Direct replacement engine coolant reservoir cap
  • Twist-on attachment type for a secure fit
  • Black plastic construction
  • 38.1 mm diameter
  • Non-vented and non-pressurized design
  • Low-profile cap dimensions for the listed application
  • Part number 82598 for easy identification

Product Details

This Dorman coolant reservoir cap is engineered as a precise replacement for the original cap used on select Mercury Villager and Nissan Quest models from 1993 through 1995. It helps maintain the reservoir opening closure required by the cooling system and replaces a damaged cap without changing the original style or attachment method. If you are searching for a 1993-1995 Nissan Quest coolant reservoir cap or a 1993-1995 Mercury Villager coolant reservoir cap, part number 82598 is the direct-fit option listed here.

Common Issues This Part Can Address

  • Missing or lost coolant reservoir cap
  • Cracked plastic cap body
  • Worn twist-on threads or retention fit
  • Improper reservoir sealing at the cap opening
  • Need for an OE-style replacement cap for the listed vehicles

Installation Notes and Tips

Inspect the reservoir neck and sealing surface before installation. Align the cap with the reservoir opening and twist it into place until it seats fully. Confirm the cap matches the original diameter and attachment style before use on your Mercury Villager or Nissan Quest.

Quality Assurance

Dorman manufactures replacement parts to match original equipment fit and function for the specified application. Part number 82598 is built as a direct replacement for the listed vehicles and cross-references OE number F3XY8K103A.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1995MercuryVillagerN/AFits brake pedal pad for automatic and manual vehicles.
1995NissanQuestN/AFits brake pedal pad for automatic and manual vehicles.
1994MercuryVillagerN/AFits brake pedal pad for automatic and manual vehicles.
1994NissanQuestN/AFits brake pedal pad for automatic and manual vehicles.
1993MercuryVillagerN/AFits brake pedal pad for automatic and manual vehicles.
1993NissanQuestN/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.
F3XY8K103A