Jeep Cherokee Radiator Coolant Overflow Bottle - 1AROB00001

Our Jeep Cherokee radiator coolant bottles are some of the highest quality replacements on the market!

This Jeep Cherokee radiator coolant overflow bottle has been designed to replace the original design.


  • Direct replacement for originals that are cracked or broken
  • Replaces dealer part numbers: 4773849, 4401790, J0758977, T1462798
  • Strengthened and redesigned in the vulnerable areas of failure
  • Plastic construction
  • Includes Cap (color may be different then pictured)
  • Does not include low fluid sensor (reuse your old one if your car has one)

Now you can buy a high coolant reservoir that is built to strict quality control standards. REPLACE your broken or cracked one now with this great fitting, alternative.

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

  • 1984-1987 Jeep Cherokee Diesel Radiator Coolant Overflow Bottle
  • 1986-1990 Jeep Cherokee Radiator Coolant Overflow Bottle L6 4.0L

This part replaces:

  • OE # 4773849
  • OE # 4401790
  • OE # J0758977
  • Dorman 603-300
Part #: 1AROB00001