Toyota Corolla Radiator Overflow Bottle with Cap - 1AROB00123

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.


  • Cap included
  • Direct replacement
  • Replaces dealer part number: 16470-15040, 1647015040
  • Plastic construction
  • Commonly called "Coolant Overflow Tank or Reservoir, or Expansion Tank"
  • Fits models with L4 1.6L Engine

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.

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.

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Vehicle Fit

  • 1988-1992 Toyota Corolla Radiator Overflow Bottle with Cap
  • 1993 Toyota Corolla Wagon Radiator Overflow Bottle with Cap

This part replaces:

  • OE # 1647015040
  • Dorman 603-446
Part #: 1AROB00123