Replaces

Radiator Overflow Bottle with Cap Dorman 603-109 - DMROB00025

DORMAN RADIATOR OVERFLOW BOTTLE: 603-109

Our coolant bottles are some of the highest quality replacements on the market! This radiator coolant overflow bottle has been designed to replace the original design.

Specifications:

  • Brand New Dorman Radiator Expansion Tank
  • Includes Cap
  • Plastic construction
  • Direct replacement
  • Built to strict quality control standards

Replace your broken or cracked bottle now with this great fitting part.

Item Condition: New

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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Browse 1 question Browse 1 question and 1 answer
What is the rubber piece at the bottom of the the tank for I replaced the tank but I am still having low coolant issues?
Anne T on Jul 4, 2018
BEST ANSWER: Hello,
The bottom of the tank may have a valve or some other type of fitting. It is held in with the piece of tape in the picture. Thank you!

Vehicle Fit

Year Make Model Description
1999-2005Chevy Cavalier Chevy Cavalier Radiator Overflow Bottle with Cap L4 2.2L Dorman 603-109
1999-2002Chevy Cavalier Chevy Cavalier Radiator Overflow Bottle with Cap L4 2.4L Dorman 603-109
2004-2005Chevy Classic Chevy Classic Radiator Overflow Bottle with Cap L4 2.2L Dorman 603-109
1999-2003Chevy Malibu Chevy Malibu Radiator Overflow Bottle with Cap V6 3.1L Dorman 603-109
1999Chevy Malibu Chevy Malibu Radiator Overflow Bottle with Cap L4 2.4L Dorman 603-109
2003-2004Chevy SSR Chevy SSR Radiator Overflow Bottle with Cap V8 5.3L Dorman 603-109
2005-2006Chevy SSR Chevy SSR Radiator Overflow Bottle with Cap V8 6.0L Dorman 603-109
1999-2004Oldsmobile Alero Olds Alero Radiator Overflow Bottle with Cap V6 3.4L Dorman 603-109
1999-2001Oldsmobile Alero Olds Alero Radiator Overflow Bottle with Cap L4 2.4L Dorman 603-109
2002-2004Oldsmobile Alero Olds Alero Radiator Overflow Bottle with Cap L4 2.2L Dorman 603-109
1999Oldsmobile Cutlass Olds Cutlass Radiator Overflow Bottle with Cap V6 3.1L Dorman 603-109
1999-2005Pontiac Grand Am Pontiac Grand Am Radiator Overflow Bottle with Cap V6 3.4L Dorman 603-109
1999-2005Pontiac Grand Am Pontiac Grand Am Radiator Overflow Bottle with Cap L4 2.2L Dorman 603-109
1999-2001Pontiac Grand Am Pontiac Grand Am Radiator Overflow Bottle with Cap L4 2.4L Dorman 603-109
1999-2002Pontiac Sunfire Pontiac Sunfire Radiator Overflow Bottle with Cap L4 2.4L Dorman 603-109
1999-2005Pontiac Sunfire Pontiac Sunfire Radiator Overflow Bottle with Cap L4 2.2L Dorman 603-109

This part replaces:

  • Dorman 603-109
  • OE # 22712361
  • OE # 22565474
Part #: DMROB00025

Out of Stock

Dorman
Brand #: 603-109