Throttle Nut Lower Gearcase PARSUN T85-04000021

Compatible Engines

The PARSUN T85-04000021 lower gearcase throttle nut is a critical sealing component that ensures the integrity of the drive system in the lower unit. Due to the specific nature of outboard motor manufacturing, compatibility must be verified by the manufacturer catalog number T85-04000021 or the original OE number. We do not recommend assuming fitment to specific brands without verification. If you have any doubts, we recommend contacting our support team to confirm the part.

Installation and Maintenance

Proper installation of this nut is essential for safety on the water. Tighten the component carefully according to the specified torque to avoid leaks or seal damage. Regular inspection of the nut's condition prevents water ingress into the gearcase.

• Original PARSUN quality – guarantees durability and compliance with standards.
• System sealing – effective protection of the gearcase against moisture.
• Easy installation – replacement without the need to disassemble the entire drive shaft.
• Availability – fast order fulfillment for your convenience.