Replaces

Radiator Coolant Overflow Tank Dorman 603-307 - 1AROB00045

Description
Warranty & Shipping
How-To & Tools
Product Reviews
Q&A
Vehicle Fit

Our radiator coolant overflow bottles are some of the highest quality replacements on the market!

This radiator coolant overflow tank has been designed to replace the original design.

Specifications:

  • Direct replacement for originals that are cracked or broken
  • Replaces dealer part numbers: 4758269AB, 4758269AC, 4596198
  • Plastic construction
  • Commonly called Coolant Reservoir assembly by Chrysler
  • Includes cap

Now you can buy a high quality coolant reservoir that is built to strict quality control standards. REPLACE your broken or cracked one now with this great fitting Radiator Overflow Bottle.

Item Condition: New

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Removing the Coolant Bottle (0:53)
    • Drain the coolant
    • Have a drain pan ready
    • Undo the upper coolant hose clamp with pliers
    • Pull off the upper coolant hose
    • Remove the three 13mm bolts from the strut brace
    • Hold the strut brace aside with a flat blade screwdriver or pry bars
    • Remove the two 10mm bolts from the coolant bottle
    • Pull the windshield washer hose aside
    • Lift up the coolant bottle
    • Undo the lower coolant hose clamp with pliers
    • Pull off the hose
  2. step : Installing the New Coolant Bottle (3:42)
    • Connect the lower coolant hose to the new coolant bottle
    • Slide on the lower coolant hose clamp with pliers
    • Push the coolant bottle into place
    • Put the washer hose into place
    • Position the coolant bottle bracket underneath the strut brace
    • Hold the strut brace aside with a flat blade screwdriver or pry bars
    • Insert the two 10mm bolts into the coolant bottle
    • Insert the three 13mm bolts into the strut brace
    • Attach the upper coolant hose to the coolant bottle
    • Slide on the upper coolant hose clamp with pliers
    • If the strut brace is bent, flatten it out with a hammer
    • Refill the coolant tank to the proper fill level

Tools needed for replacement:

    General Tools

  • Hammer

  • Pliers, Cutters & misc Wrenches

  • Slip-Joint Pliers

  • Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Pry Bar
  • Flat Blade Screwdriver

  • Sockets - Metric

  • 13mm Socket
  • 10mm Socket

  • Wrenches - Metric

  • 10mm Wrench
  • 13mm Wrench

5.00/ 5.0
1review
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Installed it myself
The overflow tank was easy to install. A couple of screws and bang youre done. My original overflow tank had a pin hole leak in it and this one I purchased from 1A Auto has held up to my expectations, thank you 1A Auto!
July 7, 2017
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Year Make Model Description
1999-2004Chrysler 300M Chrysler 300M Radiator Coolant Overflow Tank Dorman 603-307
1998-2004Chrysler Concorde Chrysler Concorde Radiator Coolant Overflow Tank Dorman 603-307
1999-2001Chrysler LHS Chrysler LHS Radiator Coolant Overflow Tank Dorman 603-307
1998-2004Dodge Intrepid Dodge Intrepid Radiator Coolant Overflow Tank Dorman 603-307
Part #: 1AROB00045

Out of Stock

Dorman
Brand #: 603-307

How-to Video:

(06:38 min)