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Radiator Caps

Radiator caps and recovery-style caps for cooling systems, with application-specific options to compare by cap style, fit and manufacturer reference.Radiator and recovery-style caps for cooling systems, to compare by style and fit.
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Choosing a radiator cap

Radiator caps differ in style and sealing design, so compare your existing cap and cooling system details before deciding on a replacement.

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Standard or recovery style

Some systems use a cap designed to work with a recovery reservoir. Check whether your system calls for a recovery-style cap before choosing.

Pressure specification

Cap pressure ratings are system specific. Match the rating stated on your existing cap or in the manufacturer information rather than assuming a higher figure is better.

Neck and seal fit

Compare the cap's lock style, shape and seal with the filler neck it must close. A mismatch can stop it seating properly.

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