Dorman 603-109 Coolant Reservoir

Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium radiators meet or exceed the performance of the original equipment radiators they replace. That extends to all components, including engine and transmission. The complete radiator offers maximum cooling efficiency. No modifications required for proper fit. These units are engineered to last and a perfect fit guarantee.

To allow room for the occurring thermal expansion, OE clevis pins are included where it is required
To reduce stress on the headers and prevent warping during thermal expansion, stress cuts are made to the side rails
Increased tube wall thickness for durability and longevity
Manufactured with high quality material for extended durability
Subject to aging and endurance testing to validate performance under extreme weather conditions
To allow room for the occurring thermal expansion, OE clevis pins are included where it is required
To reduce stress on the headers and prevent warping during thermal expansion, stress cuts are made to the side rails
Increased tube wall thickness for durability and longevity
Manufactured with high quality material for extended durability
Subject to aging and endurance testing to validate performance under extreme weather conditions

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