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


  • Brand New Radiator Overflow Bottle
  • Commonly called "Coolant Overflow Tank" or "Reservoir"
  • Strengthened and redesigned in the vulnerable areas of failure
  • Replacement for originals that are cracked or broken
  • Plastic construction
  • Includes Cap

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.

Item Condition: New

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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.

4.0 / 5.0
1 Review
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1 Star
overflow bottle fits vw jetta 2001 .thanks.
fits perfectly,no spills,thanks a1 auto.saves me the money too, have someone else to put it on.
April 21, 2018
5 months ago
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Vehicle Fit

Year Make Model Description
2000-2006Audi TT Audi TT Radiator Overflow Bottle with Cap
2000-2006Audi TT Quattro Audi TT Quattro Radiator Overflow Bottle with Cap
2000-2006Volkswagen Golf VW Golf Radiator Overflow Bottle with Cap
2000-2004Volkswagen Jetta VW Jetta Radiator Overflow Bottle with Cap
2005Volkswagen Jetta VW Jetta Radiator Overflow Bottle with Cap (8th Vin Digit J or M)

This part replaces:

  • Dorman 603-027
  • Hollander 671-50131
  • OE # 1J0 121 403B
  • OE # 1J0 121 403E
  • OE # 1J0 121 403D
  • OE # 1J0 121 403F
Part #: 1AROB00219

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout