Sierra Stainless Steel Locknut- 18-3721-9
Material: Stainless Steel w/ nylon insert
Thread Size: 7/16" or 11.1mm - 20
For: MCM inner transom studs and prop nut for Mercury 39, 60 (1968 & newer, 8 spline)
For: MR/Alpha
Interchangeable with the following:
GLM
21170
Mercruiser Stern Drive
11-21298
11-22178
11-24648
11-29241
11-33962
11-34933
11-82671015
Mercury Marine
11-134391
11-22178
11-34933
11-46355
11-82671015
11-859116
11-8M0204653
11-95702
- WEIGHT:
- 0.00 KGS
- mfg_code
- 18-3721-9
