LOCKNUT SS MERC 7/16"-20 (5/PK)

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$17.00

Part Number
SIE18-3721-9

Mfg. Part Number
18-3721-9

Available 0

Sierra Stainless Steel Lock Nut with Nylon Insert is for MR/Alpha and MCR inner transom studs and prop nut for Mercury 39, 60 (1968 & newer, 8 spline). It has a thread size of 7-16"-20.

OEM # (Click to expand):

GLM 21170
Mallory 9-72004, 9-72004-10
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