Hey guys,
I priced getting a new filter for my transmission in my 77 300D automatic today.

Napa listed three different kits, no neck, 3/4 neck and 1 inch neck.

Any input on which kit I need?

I tired a search on here, but had a hard time finding info.

Thanks, BB

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77 300D- new to me, lots of "issues" to deal with. But a nice unit.
Diesel man- 84 Toyota Diesel cruiser