# Master cylinder reservoir cap diaphragms... **URL:** \ **Category:** Classifieds\ **Created:** [August 13, 2009, 8:04am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087 "2009-08-13T08:04:45Z")\ **Posts on this page:** 17\ **Page:** 1
**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\ **Post date:** [August 13, 2009, 8:04am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/1 "2009-08-13T08:04:45Z")
For low low dollars… Looking for some master cylinder cap diaphragms… Preferably something a little smaller, But I may be able to make any size work. thanks! ---
**Author:** ![Jskrapper](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jskrapper/32/7570_2.png) [@Jskrapper](https://forums.speedlife.net/u/Jskrapper)\ **Post date:** [August 13, 2009, 8:16am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/2 "2009-08-13T08:16:41Z")
round? ---
**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\ **Post date:** [August 13, 2009, 8:20am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/3 "2009-08-13T08:20:29Z")
yes, sorry… I got a remote master and it came with some BS rubber seal thing that has holes in the center to allow air in and out. Terrible. ---
**Author:** ![Jskrapper](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jskrapper/32/7570_2.png) [@Jskrapper](https://forums.speedlife.net/u/Jskrapper)\ **Post date:** [August 13, 2009, 8:22am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/4 "2009-08-13T08:22:46Z")
I have one thats 1 7/8 oad or one thats 1 3/4 overall (inside ring is 1 1/4 ish on both). but they arent low dollar lol about $5-7 ---
**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\ **Post date:** [August 13, 2009, 8:24am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/5 "2009-08-13T08:24:24Z")
hmmm, my res is 1.25ID… I wonder If it would work. ---
**Author:** ![Jskrapper](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jskrapper/32/7570_2.png) [@Jskrapper](https://forums.speedlife.net/u/Jskrapper)\ **Post date:** [August 13, 2009, 8:26am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/6 "2009-08-13T08:26:57Z")
It would be close. With a caliper, one of them measures exactly 1.25 on the sealing ring. NAPA PN 675-1222 ---
**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\ **Post date:** [August 13, 2009, 8:30am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/7 "2009-08-13T08:30:30Z")
> [@Jskrapper](#): > > It would be close. With a caliper, one of them measures exactly 1.25 on the sealing ring. NAPA PN 675-1222 Any idea what it’s off of? How many do you stock? Might just bring in the part… How late you there til? It’s 1.25 to the outside edge of the first ridge? ---
**Author:** ![Jskrapper](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jskrapper/32/7570_2.png) [@Jskrapper](https://forums.speedlife.net/u/Jskrapper)\ **Post date:** [August 13, 2009, 8:39am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/8 "2009-08-13T08:39:12Z")
the big fat ridge od is 1.25 ---
**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\ **Post date:** [August 13, 2009, 8:40am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/9 "2009-08-13T08:40:52Z")
oh that’s probably perfect! ---
**Author:** ![Jskrapper](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jskrapper/32/7570_2.png) [@Jskrapper](https://forums.speedlife.net/u/Jskrapper)\ **Post date:** [August 13, 2009, 8:45am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/10 "2009-08-13T08:45:08Z")
i am here untill 5. Going to lunch soon too. If you can’t make it here I will bet most other NAPA stores will carry it. Or I can have it delivered to Innovative for you if Mike doesn’t mind. oh…all I know is it fits late model Fords. ---
**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\ **Post date:** [August 13, 2009, 8:47am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/11 "2009-08-13T08:47:01Z")
um, there’s a napa right around the corner. Do you know what car it’s from? ---
**Author:** ![Jskrapper](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jskrapper/32/7570_2.png) [@Jskrapper](https://forums.speedlife.net/u/Jskrapper)\ **Post date:** [August 13, 2009, 8:51am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/12 "2009-08-13T08:51:44Z")
Just ask for that part # lol…as I said it fits a shit ton of late model fords ---
**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\ **Post date:** [August 13, 2009, 8:52am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/13 "2009-08-13T08:52:38Z")
I know but if it’s for something like a honda that one of my friends may have laying around I’d rather snag one of them… you dig? ---
**Author:** ![Jskrapper](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jskrapper/32/7570_2.png) [@Jskrapper](https://forums.speedlife.net/u/Jskrapper)\ **Post date:** [August 13, 2009, 8:55am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/14 "2009-08-13T08:55:25Z")
If you really want an app. I would just say 00 Crown Vic ---
**Author:** ![Jskrapper](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jskrapper/32/7570_2.png) [@Jskrapper](https://forums.speedlife.net/u/Jskrapper)\ **Post date:** [August 13, 2009, 8:57am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/15 "2009-08-13T08:57:20Z")
getting a list together ---
**Author:** ![Jskrapper](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jskrapper/32/7570_2.png) [@Jskrapper](https://forums.speedlife.net/u/Jskrapper)\ **Post date:** [August 13, 2009, 9:01am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/16 "2009-08-13T09:01:11Z")
damn…almost any Ford Lincoln or Merc from 90-2004 ---
**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\ **Post date:** [August 13, 2009, 9:20am UTC](https://forums.speedlife.net/t/master-cylinder-reservoir-cap-diaphragms/72087/17 "2009-08-13T09:20:57Z")
hmm, seems like something i could pilfer.