Subaru Baja Legacy Outback Radiator Overflow Bottle with Cap - 1AROB00115

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 numbers: 45150AE00A, 45150 AE00A
  • Plastic construction
  • Commonly called "Coolant Overflow Tank or Reservoir, or Expansion Tank"

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.

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Vehicle Fit

Year Make Model Description
2003-2006Subaru Baja Subaru Baja Radiator Overflow Bottle with Cap H4 2.5L Manual Transmission Models
2000-2004Subaru Legacy Subaru Legacy Radiator Overflow Bottle with Cap H4 2.5L
2000-2004Subaru Outback Subaru Outback Radiator Overflow Bottle with Cap H4 2.5L

This part replaces:

  • Hollander 671-50307
  • Dorman 603-540
  • Partslink SU3014102
  • OE # 45150AE00A
Only 1 left in stock
Part #: 1AROB00115

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout