These crush washers are the correct size for NA oil pans, alltransmission drain plugs, 6-speed fill plugs and all differential drain and fill plugs. Well, all generations of Miatas, anyway.
They do not fit NB oil pans. 5-speed fill plugs d...
Reviews
5.0
10 ratings
5
4
3
2
1
Crush Washers
The fit was as expected and they have worked well for my 6 speed transmission and Torsen differential on my 1998 Roadster.
C
Christian · May 6, 2026
Perfect for my NA 5-speed and Diff
These are perfect if you are replacing your transmission and differential fluid. Thanks FM!
R
Rich · February 14, 2026
Drain Plug Washers
Satisfied with the ordering process and the items received.