Lexus ES300 Toyota Camry Radiator Coolant Overflow Bottle - 1AROB00203

Our 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.


  • Radiator Overflow Bottle
  • Commonly called "Coolant Overflow Tank or Reservoir, or Expansion Tank"
  • Plastic construction
  • Replaces dealer part number: 16470-20040, 16470-20031, 1647020040, 1647020031
  • Direct replacement
  • Built to strict quality control standards
  • Correct for models with Cap-mounted outlet ONLY

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

WARNING:  This product can expose you to chemicals including Styrene and Bisphenol A (BPA), which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to

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.

5.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Good replacement for 2001 Toyota Camry
This was a great fit for my 2001 Toyota Camry. Slight issue in that the hose on the expansion tank that connects to the radiator was shorter than my OEM. No issue when I swapped the hose.
March 10, 2018
7 months ago
As Advertised
I can't complain. The products, pricing, and service is 2nd to none.
October 19, 2017
11 months ago
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Vehicle Fit

Year Make Model Description
1997-2001Lexus ES300 Lexus ES300 Radiator Coolant Overflow Bottle with Cap Mounted Outlet
1997-2000Toyota Camry Toyota Camry Radiator Coolant Overflow Bottle V6 3.0L with Cap Mounted Outlet
2001Toyota Camry Toyota Camry (Japan Built Models (1st VIN Digit J)) Radiator Coolant Overflow Bottle V6 3.0L with Cap Mounted Outlet

This part replaces:

  • Partslink TO3014110
  • Hollander 671-50370
  • OE # 1647020031
  • OE # 1647020040
Part #: 1AROB00203

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout