Radiator Coolant Overflow Bottle Dorman 603-122 - 1AROB00052

Part Details

  • Includes: Level Sensor


  • Includes:
    • Low fluid sensor
    • Overflow cap
  • Direct replacement
  • Replaces dealer part numbers: 25774005, 25713159
  • Strengthened and redesigned in the vulnerable areas of failure
  • Plastic construction
  • Commonly called "Coolant Overflow Tank or Reservoir, or Expansion Tank"


Item Condition: New

WARNING: Cancer and Reproductive Harm -

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
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Perfect fit
Excellent ship time and car is like new again!!!
Thank you so much!
March 23, 2017
1 year ago
92 Cadillac Deville
The coolant tank recovery unit arrived in two days.We installed it without any problems . the unit fit like a glove . Thank you for your great service that you provide . Bob Strimple
March 11, 2017
1 year ago
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Vehicle Fit

Year Make Model Description
2000-2005Cadillac Deville Cadillac Deville Radiator Coolant Overflow Bottle with Level Sensor V8 4.6L Dorman 603-122
2001-2003Oldsmobile Aurora Olds Aurora Radiator Coolant Overflow Bottle with Level Sensor Dorman 603-122
2004-2005Pontiac Bonneville Pontiac Bonneville GXP Radiator Coolant Overflow Bottle with Level Sensor Dorman 603-122

This part replaces:

  • Dorman 603-122
  • OE # 25713159
  • OE # 25774005
Only 1 left in stock
Part #: 1AROB00052

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Brand #: 603-122