Toyota Highlander Coolant Reservoir - 1AROB00245

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


  • Brand New Radiator Overflow Bottle
  • Commonly called "Coolant Overflow Tank" or "Reservoir"
  • Strengthened and redesigned in the vulnerable areas of failure
  • Replacement for originals that are cracked or broken
  • Plastic construction
  • 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 our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge.

  1. step : Removing the Coolant Overflow Reservoir (0:25)
    • Loosen the hose clamp from the overflow hose
    • Loosen the overflow hose from the radiator filler neck
    • Remove the cap from the bottle
    • Lift the bottle off of the bracket
  2. step : Installing the Coolant Overflow Reservoir (1:25)
    • Snap the overflow reservoir into place
    • Connect the overflow hose to the filler neck
    • Tighten the hose clamp
    • Refill the overflow bottle with the appropriate mixture

Tools needed for replacement:

    General Tools

  • Funnel

  • Materials, Fluids, and Supplies

  • Anti-Freeze

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers

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Year Make Model Description
2004-2005Toyota Highlander Toyota Highlander Coolant Reservoir
2006-2007Toyota Highlander Toyota Highlander (excluding Hybrid Models) Coolant Reservoir
Only 2 left in stock
Part 1AROB00245
In Stock

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Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.