So I am a little confused.
The ZF ps pump in my 82 has the smaller front shaft seal of the 2 that are listed at APE but it says the ZF pump takes the larger seal. I recognize that I have to get the seal that fits my pump but are there variations on the ZF pump that have the same shaft diam as the Vickers pump?
And if that is so which back cover seal kit would be correct?

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1981 240D 143k 4 spd manual -SOLD

2004 VW Jetta TDI 5 speed 300k -still driven daily