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: 217104W000, 217104W00A, 21710 4W000, 21710 4W00A
  • 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.

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

  • 2001-2003 Infiniti QX4 Radiator Overflow Bottle with Cap
  • 2001-2004 Nissan Pathfinder Radiator Overflow Bottle with Cap

This part replaces:

  • OE # 217104W00A
  • OE # 217104W000
  • Hollander 671-50204
  • Dorman 603-621
  • Partslink NI3014113
Part #: 1AROB00116

Out of Stock