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Re: Subaru In-Tank Fuel Filter O-Rings: What Hardness?
Posted to Technical Discussion Forum on 4/2/2014 5 Replies

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75 has been used with success.

Viton - 928 has been used with success. But, Viton is only rated down to -15F (Some claim -20 F). The colder parts of the USA & Canada will drop well below that at ti... Login to read more.

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