Our radiator 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.

Specifications:

  • Direct replacement for originals that are cracked or broken
  • Replaces dealer part numbers: 21710-0W001, 217100W001
  • Plastic construction
  • Commonly called Coolant Reservoir assembly
  • Includes cap
  • Correct for models that DO NOT USE a Low Fluid Sensor

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

  • 1997-2000 Infiniti QX4 Radiator Overflow Bottle without Low Fluid Sensor
  • 1996-1999 Nissan Pathfinder Radiator Overflow Bottle without Low Fluid Sensor

This part replaces:

  • OE # 217100W001
  • Partslink NI3014114
  • Dorman 603-607
  • Hollander 671-50203
Part #: 1AROB00049