17mm for the bracket itself. The bolt I found was 13mm.

I think the bolts for the transmission mount themselves are 13mm, but they’re both there.




But I think I found it on the t-stop mount.



Haven’t installed it yet to verify.

I torqued it to spec... strange for it to back out.

__________________
Current Diesels:
1981 240D (73K)
1982 300CD (169k)
1985 190D (169k)
1991 350SD (113k)
1991 350SD (206k)
1991 300D (228k)
1993 300SD (291k)
1993 300D 2.5T (338k)
1996 Dodge Ram CTD (442k)
1996 Dodge Ram CTD (265k)

Past Diesels:
1983 300D (228K)
1985 300D (233K)