Radiator Cap Housings
11-22-07, 12:10 PM
#1
HAILERS
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Radiator Cap Housings
A fellow was wanting a metal radiator cap housing and his thread got closed. Here is a site that has the metal housing: http://www.mazdatrix.com/b8.htm
Item 15-17Y0-N323 ........aluminium.
Item 15-17Y0-N323 ........aluminium.
Last edited by Aaron Cake; 11-23-07 at 08:48 AM. Reason: Remove reference to OT closed thread
11-23-07, 08:49 AM
#4
Engine, Not Motor
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There. Fixed.
Thanks for the part info, HAILERS. I just discovered my plastic rad cap housing was leaking (that explains my slow untraceable loss of coolant...) and had no idea that an aluminum version was used on the FD.
Thanks for the part info, HAILERS. I just discovered my plastic rad cap housing was leaking (that explains my slow untraceable loss of coolant...) and had no idea that an aluminum version was used on the FD.
11-23-07, 10:16 AM
#5
Lives on the Forum
Yep, been using one for YEARS! 
Since mine was a bypass type, I drilled and tapped for a fitting - 1/8"NPT with a 1/4" male barb.
You need to cut down the NPT threaded side, since it needs to be shallow enough to allow the bypass, sprung cap to seat correctly (you'll understand once you stare at it enough).
This fill neck will NEVER fail like the plastic piece of **** original part!
-Ted
Since mine was a bypass type, I drilled and tapped for a fitting - 1/8"NPT with a 1/4" male barb.
You need to cut down the NPT threaded side, since it needs to be shallow enough to allow the bypass, sprung cap to seat correctly (you'll understand once you stare at it enough).
This fill neck will NEVER fail like the plastic piece of **** original part!
-Ted
11-23-07, 10:38 AM
#6
Engine, Not Motor
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Since I take my coolant bottle line from the rad cap of my Fluidyne, I had long since plugged the plastic nipple by grinding it off, tapping it, then installing a grub screw. So no issues here. 
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11-23-07, 10:29 PM
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Mike Honcho
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