2006-11 Honda Civic Radiator Overflow Bottle - 1AROB00166

Our coolant overflow bottles are some of the highest quality replacements on the market! This radiator coolant overflow has been designed to replace the original design.


  • Radiator Overflow Bottle 
  • Replaces dealer part numbers: 19101-RNA-A00, 19101-RNA-A01, 19101RNAA00, 19101RNAA01
  • Plastic construction
  • Direct replacements
  • Built to strict quality control standards

Replace your missing or cracked tank now with this great fitting radiator overflow bottle reservoir.

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.

  1. step : Removing the Coolant Reservoir (0:20)
    • Unscrew the coolant overflow bottle cap
    • Pop the hose out of the plastic hooks
    • Pull the bottle up and out
  2. step : Installing the Coolant Reservoir (1:30)
    • Slide the coolant reservoir into place
    • Clip in the hose
    • Refill coolant to the fill line
    • Tighten the bottle cap

Tools needed for replacement:

    General Tools

  • Funnel
  • Pick

There are no reviews for this item. Write Review
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!

Vehicle Fit

  • 2006-2011 Honda Civic Radiator Overflow Bottle

This part replaces:

  • OE # 19101RNAA00
  • OE # 19101RNAA01
  • OE # 1910
  • Partslink HO3014115
  • Hollander 671-50335
Part #: 1AROB00166

How-to Video:

(03:49 min)