• Radiator Overflow Tank
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  • 99-04 mustang radiator overflow tank

Dorman 603-100 Coolant Reservoir Bottle

$31.86

If you're looking for a Radiator Overflow Tank for your classic 1965-1973 Mustang, CJ Pony Parts has this beautiful stainless steel Radiator Overflow Tank. This tank will fit any 1965-1973 Mustang and isn't only functional, holding 20 ounces of fluid, but with the stainless steel finish, it looks great too. Order and install today!

A radiator overflow tank collects the expanding coolant that is heated by the engine and recycles it back into the coolant system once it loses enough heat. The radiator overflow tank works in conjunction with the radiator cap to protect the engine and prevent coolant loss due to overflow, according to HowStuffWorks.

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How does a radiator overflow tank work

This high-quality Scott Drake reproduction of an overflow tank includes (1) radiator overflow tank, (1) Machine-labeled carbon fiber-style “Coolant” cap, a pair of aluminum mounting clamps and a set of stainless steel hardware. This tank has a sleek and clean design, made from reliable, stainless steel and aluminum construction.