Dieselfool Posted November 25, 2021 Share Posted November 25, 2021 I found a part number cross reference to the rubber diaphram, but was unable to find a part number in any searches or calls I've made for the cap itself or the reservoir.. Part numbers I see on the diaphragm: 2228136,290935. BW(in a diamond) I'm assuming bendix westinghouse Number stamped on bottom of reservoir: T-290910 Cap reads: "WARNING, use only DOT3 brake fluid from a sealed container, clean filler cap before removing" nothing else. I need a replacement cap, or an option to replace the whole unit. Its on a 1980 Mack CF686 Quote Link to comment https://www.bigmacktrucks.com/topic/68828-looking-for-a-brake-fluid-reservoir-cap-cant-find-it/ Share on other sites More sharing options...
doubleclutchinweasel Posted November 30, 2021 Share Posted November 30, 2021 Since it appears to be strapped onto the bracket, would it make sense to swap it out for something more easily sourced? Might need to bend some new straps. Quote "Eagles may soar, but weasels don't get sucked into jet engines." Link to comment https://www.bigmacktrucks.com/topic/68828-looking-for-a-brake-fluid-reservoir-cap-cant-find-it/#findComment-483755 Share on other sites More sharing options...
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