2006 Toyota Sienna Radiator Overflow Bottle (with Fan Shroud) Dorman 603-436 - 1AROB00173

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.


  • Includes the Radiator Fan Shroud
  • Direct replacement for originals that are cracked or broken
  • Replaces dealer part number: 16711-0A240, 167110A240
  • Strengthened and redesigned in the vulnerable areas of failure
  • Plastic construction

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

  • 2006 Toyota Sienna Radiator Overflow Bottle (with Fan Shroud) Dorman 603-436

This part replaces:

  • OE # 167110A240
  • Hollander 674-50158
  • Dorman 603-436
Only 2 left in stock
Part #: 1AROB00173

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

Brand #: 603-436