420850500 Oil Filter Cover O-Ring for Sea-Doo Cruise 21-300 1630 2026

Oil Filter Cover O-Ring for Sea-Doo

This oil filter cover O-ring, part number 420850500, seals the oil filter cover on Sea-Doo personal watercraft to help prevent oil leaks.

Overview

This oil filter cover O-ring for Sea-Doo is a sealing ring designed to sit between the oil filter cover and its mating surface. The O-ring helps keep oil contained within the filter housing during operation. It is intended for riders performing routine maintenance on their Sea-Doo watercraft.

Built For Performance

• Direct replacement for OEM part number 420850500
• Constructed from oil-resistant rubber compound
• Forms a tight seal against the oil filter cover
• Resists heat and pressure common to engine oil systems
• Compact ring design for a precise fit in the cover groove

Fits These Machines

• for Sea-Doo Cruise 21-300 1630, 2026

On-The-Job Use

• Routine oil and filter changes on Sea-Doo watercraft
• Resealing the oil filter cover after removal
• Preventative maintenance to avoid oil seepage
• Freshwater and saltwater riding conditions

Specs At A Glance

Good To Know

Q: How often should this O-ring be replaced? A: It is commonly replaced whenever the oil filter cover is removed, such as during an oil and filter service, to maintain a reliable seal.

Q: Does this O-ring require any lubrication before installation? A: A light coat of clean engine oil on the ring can help it seat properly in the cover groove during reassembly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.