Sierra 61886P Yamaha Water Pressure & Temperature Sender Adapter 1/8" NPT

The Sierra 61886P is a required adapter fitting designed for use on Yamaha outboard engines when installing aftermarket water pressure or water temperature gauges. This 1/8" NPT adapter provides the proper connection interface between the Yamaha engine block and Sierra-compatible gauge sender units.

Key Features:

• Required adapter for Yamaha outboard engines when using water pressure sender kits (Code WP)
• Required when installing water temperature senders (Code J), including Seastar (formerly Teleflex) senders
• 1/8" NPT sender port inner diameter for a secure, leak-free fit
• Compatible with Sierra gauge kits across multiple series including Lido, Amega, and Eclipse
• Engineered to meet or exceed OEM specifications and withstand harsh marine environments
• Backed by Sierra's industry-leading customer satisfaction warranty against defects in workmanship and materials

Sierra International has been a trusted name in the marine aftermarket industry for over 50 years, producing high-quality engine and drive parts that meet or exceed original equipment standards. The 61886P adapter is an essential component for Yamaha owners looking to add water pressure or temperature monitoring to their outboard engine gauges.