Our 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: 17 13 7 542 986, 17137542986
  • Strengthened and redesigned in the vulnerable areas of failure
  • Plastic construction
  • Commonly called "Coolant Overflow Tank" or "Reservoir"
  • Does NOT include the Cap
    • Buyer will need to reuse original 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.

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.

5.0 / 5.0
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easy relacement
Easy replacement with this replica that looks better than original
January 3, 2018
Purchased
2 months ago
Radiator overflow bottle
A1auto is one of the best on line stores , I would recommend it's to anybody ..
March 14, 2017
Purchased
1 year ago
BMW 525i 2004
this worked out perfect and was great quality thank you so much!!! Great price as well
February 5, 2018
Purchased
1 month ago
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Vehicle Fit

  • 2004-2007 BMW 525i Radiator Overflow Bottle
  • 2006-2007 BMW 525xi Radiator Overflow Bottle
  • 2008-2010 BMW 528i Radiator Overflow Bottle
  • 2009-2010 BMW 528i xDrive Radiator Overflow Bottle
  • 2008 BMW 528xi Radiator Overflow Bottle
  • 2004-2007 BMW 530i Radiator Overflow Bottle
  • 2006-2007 BMW 530xi Radiator Overflow Bottle
  • 2008-2010 BMW 535i Radiator Overflow Bottle
  • 2009-2010 BMW 535i xDrive Radiator Overflow Bottle
  • 2008 BMW 535xi Radiator Overflow Bottle
  • 2004-2005 BMW 545i Radiator Overflow Bottle
  • 2006-2010 BMW 550i Radiator Overflow Bottle
  • 2004-2005 BMW 645Ci Radiator Overflow Bottle
  • 2006-2010 BMW 650i Radiator Overflow Bottle
Part #: 1AROB00144

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

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Customer Feedback

"Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
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