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.


  • Radiator Overflow Bottle
  • Commonly called "Coolant Overflow Tank or Reservoir, or Expansion Tank"
  • Replaces dealer part number: 30776151, 307226176
  • Plastic construction
  • Direct replacement
  • Cap is NOT included

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.

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Vehicle Fit

  • 2008-2013 Volvo C30 Radiator Overflow Bottle
  • 2006-2013 Volvo C70 Radiator Overflow Bottle
  • 2004 Volvo S40 Radiator Overflow Bottle L5 2.5L
  • 2004 Volvo S40 Radiator Overflow Bottle L5 2.4L
  • 2005-2011 Volvo S40 Radiator Overflow Bottle
  • 2005-2011 Volvo V50 Radiator Overflow Bottle

This part replaces:

  • OE # 307761510
Part #: 1AROB00132

Out of Stock