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Dorman 603-420 Non-Pressurized Coolant Reservoir with Cap

(1996-2002 Toyota 4Runner; 1994-2002 Dodge Ram 3500 Base)

Part of: Dorman Non-Pressurized Coolant Reservoir with Cap

Other options in this family: Dorman 603-300 Dorman 603586 Dorman 603-210 Dorman 603-248 Dorman 603069

Manufacturer

Picture for manufacturer Dorman

Part Number

603-420
5 reviews
Sale Price

$91.98

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

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No Hassle Returns

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Dorman 603-420 is a high-quality OE replacement coolant reservoir designed to restore proper coolant overflow function in your vehicle's cooling system. This non-pressurized reservoir is manufactured from durable plastic and provides a direct fit solution for truck applications.

Key Features:

  • Includes reservoir cap for complete installation
  • Non-pressurized design for overflow coolant recovery
  • Durable plastic construction resists heat and chemical degradation
  • Direct fit OE replacement design ensures proper fitment
  • No low fluid sensor (verify compatibility with your application)
  • Backed by Dorman's lifetime limited warranty

This coolant reservoir is sold individually and serves as a cost-effective replacement for damaged, cracked, or leaking original equipment. Dorman's rigorous engineering standards ensure reliable performance and long service life.

Products specifications

Fits

1996-2002 Toyota 4Runner; 1994-2002 Dodge Ram 3500 Base

Drain Valve Included

No

Feature - Benefit 1

Comes with reservoir cap

Feature - Benefit 2

Level sensor included (where applicable)

Feature - Benefit 3

Direct replacement for a proper fit every time

Feature - Benefit 4

Quality tested to ensure trouble-free installation and performance

Notes

Low fluid sensor not included. Includes reservoir cap.

Overflow Tank Finish

White

Overflow Tank Material

Plastic

Quantity

Sold individually.

Recirculating

Yes

Shape

Unique

Cap Included

Yes

Mounting Hole Quantity

1

Cap Type

Flip Top

Mounting Brackets Included

Yes

Length

165

Color

White

Pressurized

No

Height

233

Package Contents

1 Coolant Reservoir; 1 Cap; Tubing

Material

Plastic

Mounting Hardware Included

No

Great pricing. (Check on google and they were the cheapest and had great reviews.) Quick shipment and everything is as they said it would be.

5 Star.

Ordering when fine...still yet to experience shipping and QC

Best price I could find anywhere and it shipped right away!

great stuff cheap price. fast shipping

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