Sierra 18-3721-9 Stainless Steel Lock Nut - 7/16", Pack of 5 - 18-3721-9

Sierra 18-3721-9 Stainless Steel Lock Nut - 7/16", Pack of 5 - 18-3721-9

SIERRA
UPC:
808282164577
$16.28
$21.19
(You save $4.91 )
Current Stock:
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Description
Sierra's 18-3721-9 Stainless Steel Lock Nut is designed for use with MCM inner transom studs and prop nut for Mercury 39, 60 (1968 and newer, 8 spline). It is interchangeable with 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, and Mercury Marine 11-134391, 11-22178, 11-34933, 11-46355, 11-82671015, 11-859116, 11-95702. Includes five lock nuts per package. Each Sierra product meets or exceeds the original equipment part it replaces.

Thread Size: 7/16" or 11.1mm - 20
Material: Stainless steel with nylon insert
Interchangeable with 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, and Mercury Marine 11-134391, 11-22178, 11-34933, 11-46355, 11-82671015, 11-859116, 11-95702
Includes five lock nuts per package
Each Sierra product meets or exceeds the original equipment part it replaces