Sierra 18-3744-9 Marine Cotter Pin 3/32" x 3/4" - Pack of 10

The Sierra 18-3744-9 is a premium marine-grade cotter pin designed specifically for Johnson/Evinrude outboard engines, OMC stern drives, and Volvo Penta engines. This essential fastening component measures 3/32" x 3/4" (2.4mm x 19.1mm) and is sold as a convenient package of 10 pins.

Key Features:

• Stainless steel construction for superior corrosion resistance in marine environments
• Split pin design provides secure locking of castle nuts and rotating components
• Meets or exceeds original equipment manufacturer specifications
• Backed by Sierra's limited lifetime warranty
• Package of 10 cotter pins for multiple repairs and maintenance tasks

Replaces OEM Part Numbers: Johnson/Evinrude 552906, OMC Stern Drive 3852255 and 552906, Volvo Penta 3852255, GLM 22140

Sierra Marine replacement parts are manufactured to meet or exceed OEM requirements, ensuring reliable performance and long-lasting durability in demanding marine applications. These cotter pins are essential safety components used to prevent axial movement and secure critical fasteners on outboard motors and stern drive systems.