Sierra International 18-3721-9 Marine Stainless Steel Locknut - Pack of 5

Product Details

• Color: Silver
• Manufacturer: Sierra International
• Department:
• Model: 18-3721-9

Product Features:

1. 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
2. Includes five lock nuts per package
3. Each Sierra product meets or exceeds the original equipment part it replaces
4. Thread Size: 7/16" or 11.1mm - 20
5. Material: Stainless steel with nylon insert