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Review on High-quality Engine Coolant Reservoir for Freightliner Models - Dorman 603-5203 by Rick Everett

Revainrating 2 out of 5

Sensor in wrong position

2 stars overall as mine came with the sensor in the wrong position it cost me an extra $150 to have this checked engine light. Make sure the sensor connector is facing down. When it's pointing up, it's showing you the check engine light! Everything else is good so far!

Pros
  • Direct replacement - this engine coolant reservoir is the same fit and function as the original part
Cons
  • No