Product Details
We have a replacement Quadratrac Diaphragm available again!!! These are machined out of billet aluminum and are fully rebuildable, and have a brand new diaphragm! This is the transfer case mounted control vacuum diaphragm for switching in and out of 'Emergency Drive'.
** You must remove the yoke to fit this unit and then replace the yoke when it's installed **
Made in USA!
Original Part Number: 8122991 / J8122991
- Fits All with QT Transfer Case (Full Size Jeeps, CJ's etc)
- Fully Rebuildable
- New Diaphragm
- Made in the USA!
Reviews (2)
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High Quality
Had this in my CJ7 for almost 2 years now and still works great. Big improvement over the oem style one. It's been submerged in water and mud and still look brand new. It's pricey but works every time I switch in and out of 4wd.
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Emergency drive control diaphram
Does this part fit as the original one