CV joint part numbers?, update April 2019 Options

[Mark Henry]

all above is interesting!

- (sometimes we have to remind ourselves that these cars were never intended to last for 50 yrs and ever be rebuilt-restored) -

.... so - is the axle -to-hub spline the same for both the -6 & -4 meaning one can use either version complete axle in a -6 ?????

i ask cuz i also have 2 complete -4 axles & they would be important to have as -6 spares if they fit the -6 hub

i haven't yet got around to inspecting the 2 CV's that started this post

- i see AA has the -4 CV for $75 - seems like a bargain?

Likely they are modified VW bug CV's.

At least we're not totally SOL, VW bug CV's and boots can be made to work.

[bbrock]

.... so - is the axle -to-hub spline the same for both the -6 & -4 meaning one can use either version complete axle in a -6 ?????

i ask cuz i also have 2 complete -4 axles & they would be important to have as -6 spares if they fit the -6 hub

Unless there is something about a six that I don't understand, yes. The half shafts are interchangeable. I think what gets confusing is that the stub axle is not part of the half shaft and either of the CVs will bolt to either stub axle and vice versa (4 bolts + 2 roll pins).

It's confusing as hell but there are two separate assemblies that need matching splines of their components, but the complete assemblies are interchangeable.

Assembly 1: Half shafts (2 CV joints and an axle) The splines of both joints have to match the axle which is either 25 or 33 splines.

Assembly 2: Hub (1 wheel hub and 1 stub axle) I have no idea if spline counts different between -4and -6 but obviously the stub and hub need to match.

- i see AA has the -4 CV for $75 - seems like a bargain?

I saw those but they are "rebuilt" with no details on what that means. To be perfectly honest, I've had horrible experience buying used parts from them.

74 parts cat.

This confirms they've gotten their parts numbers mixed up. If you plug the -6 axle number into the Porsche parts lookup, you get this:



But it appears what you get is the old 914 332 009 01 part so the replacement note is backwards. Not a big deal when buying a complete axle assembly, but a big problem when just replacing joints.

[larryM]

to add to the discussion - i googled it

geez - it would be useful to us all if we had one thread with all this connected info

found this 2009 thread - here
http://www.914world.com/bbs2/index.php?sho...=96982&st=0

"...issue gets confusing because different people call the same part by different names. ... it's:

tranny <---> flange <---> cv <---> axle <---> cv <---> stub axle <---> hub"

AND THIS - http://forums.pelicanparts.com/porsche-911...elp-please.html

AND Paternie's book:
https://books.google.com/books?id=yMJFvrORt...nes&f=false

AND on Geoge's site - http://www.914club.com/bbs2/index.php?showtopic=63702


google
https://www.google.com/search?client=firefo...4-6+hub+splines

more there