Toyota Highlander Radiator Overflow Bottle with Cap - 1AROB00245

Warranty & Shipping
How-To & Tools
Product Reviews
Vehicle Fit

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 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 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

There are no reviews for this item.
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
No questions have been asked about this item.
Year Make Model Description
2004-2005Toyota Highlander Toyota Highlander Radiator Overflow Bottle with Cap
2006-2007Toyota Highlander Toyota Highlander (excluding Hybrid Models) Radiator Overflow Bottle with Cap
Only 1 left in stock
Part #: 1AROB00245

Order must be placed by 4pm ET
Delivery options for:

Estimated Arrival Cost

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

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(02:34 min)