O-Ring for Lower Unit PARSUN JASO-F404-31-065

Compatible Engines

During regular outboard motor maintenance, ensuring the integrity of various systems is crucial. The PARSUN JASO-F404-31-065 lower unit O-ring is a component made from durable rubber that prevents oil and water leaks, ensuring long-term and trouble-free operation of the propulsion unit. Due to manufacturing specifics, compatibility must be verified by the manufacturer's catalog number (JASO-F404-31-065) or OE number. If you are unsure whether this specific seal fits your engine, contact our store support to select the correct part.

Installation, Setup, and Operational Advice

Proper installation of the seal guarantees its effectiveness. Before installation, it is worth checking the sealing seat for scratches or corrosion. You should use appropriate sealing lubricant to prevent twisting or cutting the O-ring during assembly. Regular replacement of worn seals prevents serious failures and extends engine life.

• High sealing performance – effectively prevents leaks of operational fluids.
• Original quality – the PARSUN manufacturer product guarantees perfect fit.
• Material durability – resistant to the effects of oils, water, and extreme temperatures.
• Easy replacement – a standard component that can be replaced during routine service.