420850500 Oil Filter Cover O-Ring for Sea-Doo Challenger S 2 x 155 1503 2012

Oil Filter Cover O-Ring for Sea-Doo

This oil filter cover O-ring fits the 1503 engine used in 2012 Sea-Doo Challenger S models, sealing the oil filter housing cover to prevent leaks under pressure.

Overview

This oil filter cover O-ring is a sealing component made for the oil filter housing on Sea-Doo 1503 engines. It creates a tight seal between the filter cover and the housing, keeping oil contained while the engine runs. This O-ring is a direct service item for owners performing routine oil changes on their 2012 Sea-Doo Challenger S.

Built For Performance

• Designed to seal the oil filter cover on the 1503 engine platform
• Resists heat and oil exposure typical of marine engine operation
• Direct replacement for OEM part number 420850500
• Restores a proper seal after filter service
• Compact, lightweight part for easy storage and replacement

Fits These Machines

• for Sea-Doo Challenger S 155, 2012
• for Sea-Doo Challenger S 260, 2012

On-The-Job Use

• Routine oil and filter changes on the 1503 engine
• Sealing the oil filter housing cover after maintenance
• Replacing a worn or leaking O-ring during service

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is an aftermarket O-ring made for Sea-Doo applications and cross-references OEM part number 420850500. Confirm your serial number and housing before ordering.

Q: Should I replace this O-ring every oil change? A: Replacing the oil filter cover O-ring during filter service helps maintain a reliable seal. Inspect the old O-ring for wear, cracking, or flattening before reuse.

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