There are two sizes for the pinion nut. Depends what car you have?
the illustration you show above is from a very good German firm I often use, Bertelsbeck Alfa - why don't you just get it from them? (Pinion Nut = Mutter Antriebsflansche in German, that'll keep you busy
) they seem to have both the small one and the large one, depending if your car is a 1600/1750 or 2 litre. 40 bucks for the expensive one, 15 bucks for the other! [EDIT: that includes 19% german purchase Tax, which you will not have to pay, being in the States, or at least you will get back]
IAP list the 2 litre one for about 55$, but availibility is "please call" so might not be in stock
Alfa Romeo and Fiat Differentials and Components
You will need the Pinion nut tool to take it off and torque it back, so if you need it, try either "totallyalfa" who are specialised in making aftermarket tools:
Pinion/Crankshaft Nut Tool - A.5.0114 (A.5.0114 ) :: TotallyAlfa
or this guy (if he still is around) on alfabb:
http://www.alfabb.com/bb/forums/alf...67588-71-93-alfa-romeo-pinion-nut-socket.html
or make your own!
The Art of Tool Making or, How to Make a Differential Pinion Nut Removal Tool
hope that helps and good luck!
the illustration you show above is from a very good German firm I often use, Bertelsbeck Alfa - why don't you just get it from them? (Pinion Nut = Mutter Antriebsflansche in German, that'll keep you busy
IAP list the 2 litre one for about 55$, but availibility is "please call" so might not be in stock
Alfa Romeo and Fiat Differentials and Components
You will need the Pinion nut tool to take it off and torque it back, so if you need it, try either "totallyalfa" who are specialised in making aftermarket tools:
Pinion/Crankshaft Nut Tool - A.5.0114 (A.5.0114 ) :: TotallyAlfa
or this guy (if he still is around) on alfabb:
http://www.alfabb.com/bb/forums/alf...67588-71-93-alfa-romeo-pinion-nut-socket.html
or make your own!
The Art of Tool Making or, How to Make a Differential Pinion Nut Removal Tool
hope that helps and good luck!