Radiator Coolant Overflow Tank - 1AROB00044

This part replaces:

  • Dorman 603-111
  • OE # 15075118
  • OE # 15060681
  • OE # 15066786

  • New

Our radiator 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.


  • Direct replacement for originals that are cracked or broken
  • Replaces dealer part numbers: 15060681, 15066786, 15075118, 15075570, 12380202, 15990480
  • Plastic construction
  • Commonly called Radiator Surge Tank or Coolant Recovery Tank by GM
  • 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.

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.

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Vehicle Fit

  • 1999-2005 Chevy Blazer S10 Radiator Coolant Overflow Tank
  • 1998-2004 Chevy S10 Pickup Radiator Coolant Overflow Tank
  • 1999-2001 GMC Jimmy S-15 Radiator Coolant Overflow Tank
  • 1998-2004 GMC S-15 Sonoma Radiator Coolant Overflow Tank
  • 1999-2001 Olds Bravada Radiator Coolant Overflow Tank
Save 27%
List: $54.87 Save: $14.92
Only 2 left in stock
Part #: 1AROB00044

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