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:

  • Radiator Overflow Bottle
  • Commonly called "Coolant Overflow Tank or Reservoir, or Expansion Tank"
  • Plastic construction
  • Replaces dealer part number: 15884833, 25780737
  • Direct replacement
  • Built to strict quality control standards
  • Does NOT include Fluid Level Sensor

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.

5.0 / 5.0
1 Review
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perfect
This part came well packaged and at a reasonable length of time.It was a perfect fit. I couldn't ask for better service or quality product. Hope to do business with then on down the line.
August 6, 2017
Purchased
1 year ago
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Vehicle Fit

Year Make Model Description
2004-2007Buick Rainier Buick Rainier Radiator Coolant Overflow Bottle without Low Fluid Sensor
2002-2009Chevy Trailblazer Chevy Trailblazer Radiator Coolant Overflow Bottle without Low Fluid Sensor
2002-2006Chevy Trailblazer EXT Chevy Trailblazer EXT Radiator Coolant Overflow Bottle L6 4.2L without Low Fluid Sensor
2003-2006Chevy Trailblazer EXT Chevy Trailblazer EXT Radiator Coolant Overflow Bottle V8 5.3L without Low Fluid Sensor
2002-2009GMC Envoy GMC Envoy Radiator Coolant Overflow Bottle without Low Fluid Sensor
2002-2006GMC Envoy XL GMC Envoy XL Radiator Coolant Overflow Bottle without Low Fluid Sensor
2004-2005GMC Envoy XUV GMC Envoy XUV Radiator Coolant Overflow Bottle without Low Fluid Sensor
2003-2008Isuzu Ascender Isuzu Ascender Radiator Coolant Overflow Bottle without Low Fluid Sensor
2002-2004Oldsmobile Bravada Olds Bravada Radiator Coolant Overflow Bottle without Low Fluid Sensor
2005-2009Saab 9-7X Saab 9-7X Radiator Coolant Overflow Bottle without Low Fluid Sensor

This part replaces:

  • OE # 15884833
  • OE # 25780737
  • Dorman 603-126
Part #: 1AROB00141


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout