Coolant Bypass Tube Dorman 626-502 - 1ARHU00030

Warranty & Shipping
Product Reviews
Vehicle Fit

This replacement radiator bypass tube is among the highest quality replacements on the market!


  • Brand New
  • Direct replacement
  • Built to strict quality control standards
  • Correct for models WITHOUT factory engine oil cooler only
This coolant tube is a great replacement and has good cost savings over a dealer unit.

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Carbon black and Bisphenol A (BPA), which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to

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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Customer Q&A
Ask a question to 1A Auto customers who purchased the product
Does this part come with the o ring?
Ashley M July 4, 2016
Yes, the O-Ring is included. I personally purchased this item and have had no further problems with a leak. worked and fit perfectly.
Frank M July 5, 2016
Year Make Model Description
2002-2005Buick Rendezvous Buick Rendezvous Coolant Bypass Tube V6 3.4L Dorman 626-502
2002-2005Chevy Venture Chevy Venture Coolant Bypass Tube V6 3.4L Dorman 626-502
2002-2004Oldsmobile Silhouette Olds Silhouette Coolant Bypass Tube V6 3.4L Dorman 626-502
2002-2005Pontiac Aztek Pontiac Aztek Coolant Bypass Tube V6 3.4L Dorman 626-502
2002-2005Pontiac Montana Pontiac Montana Coolant Bypass Tube V6 3.4L Dorman 626-502
Only 3 left in stock
Part #: 1ARHU00030

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Brand #: 626-502