Jeep Cherokee Comanche (MJ) Radiator Coolant Overflow Bottle - 1AROB00011

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

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



  • Direct replacement for originals that are cracked or broken
  • Strengthened and redesigned in the vulnerable areas of failure
  • Plastic construction
  • Replaces dealer part number: 52027984
  • Does not include cap (reuse your old cap)
  • Does not include low fluid sensor (reuse your old one if your car has one)

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 Jeep Cherokee & Jeep Comanche 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. Please keep your invoice for proof of this warranty.

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Vehicle Fit

  • 1991-2001 Jeep Cherokee Radiator Coolant Overflow Bottle
  • 1991-1992 Jeep Comanche (MJ) Radiator Coolant Overflow Bottle

This part replaces:

  • OE # 52027984
  • Dorman 603-305
Part #: 1AROB00011

Ships Same Day for orders placed by 4 P.M. ET