4.0 ohv oil pump drive, what the difference between early and late? 90-97 vs 97 and later


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Mummert

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Joined
Apr 23, 2025
Messages
89
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101
City
El Cajon
Vehicle Year
2004
I was wondering if someone knows the differences in the 4.0 oil pump drive assemblies. They look to be the same. F0TZ-6A739-A vs F77E-6846-AA and F77Z-6A739-AA. Thanks in advance
 
Not sure specifically but I know there are a couple different lengths of the drive stem that goes up to the cam sensor assembly
 

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