4R70W Forward & Reverse Clutch Snap rings interchangeable?

JoeB

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May 16, 2025
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Location
Asbury, NJ
Vehicle Details
94 Cougar 4.6
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Are the snap rings for the reverse clutch and forward clutch interchangeable? I see some info indicating this is the case when searching for parts but the Ford part numbers for these snap rings that I have found are not the same.

I ask because I am currently assembling the 4R70W from my 94 cougar (actually a 95+ Ford reman replacement I put in in the late 90's so it already had some of the upgrades like the mechanical diode, etc. and I added the J=mod) and the clutch pack clearance on the reverse clutch is too tight (.029") so I need a narrower snap ring. I was able to find the right snap rings for the direct & forward clutches but not the reverse so far.
 
U76877 For Forward and u76893 for Reverse, this is what WIT transmission show. go to there website and confirm though.

Other Reverse Snap ring is U76874

My bad those are the drums, yes WIT lists the clutch snap rings as the same. U76876A (with a letter determine thickness)

 
U76877 For Forward and u76893 for Reverse, this is what WIT transmission show. go to there website and confirm though.

Other Reverse Snap ring is U76874

My bad those are the drums, yes WIT lists the clutch snap rings as the same. U76876A (with a letter determine thickness)

Thanks
 

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