420850500 Oil Filter Cover O-Ring for Sea-Doo Challenger SP 155 1503 2009

Oil Filter Cover O-Ring for Sea-Doo

This oil filter cover O-ring seals the filter housing on the Sea-Doo Challenger SP 155 1503, cross-referencing OEM part number 420850500.

Overview

This oil filter cover O-ring keeps a tight seal on the filter housing of the Sea-Doo Challenger SP 155 1503. It prevents oil seepage around the cover so the engine maintains steady oil pressure. The oil filter cover O-ring is made for riders servicing their own 2009 Sea-Doo models.

Built For Performance

• Direct cross-reference to OEM part number 420850500
• Rubber construction resists oil and heat degradation
• Precise dimensions for a snug seal on the filter cover
• Withstands the pressure and temperature of routine engine operation
• Sold as a single replacement O-ring

Fits These Machines

• for Sea-Doo Challenger SP 155 1503 (2009)
• for Sea-Doo 1503 engine applications using cover part 420850500

On-The-Job Use

• Routine oil and filter service
• Replacing a worn or leaking cover seal
• Seasonal maintenance before launch
• Leak prevention during engine operation

Specs At A Glance

Good To Know

Q: How often should this O-ring be replaced? A: It is commonly replaced during oil and filter service or whenever the cover is removed. Inspect it for flattening or cracking before reuse.

Q: Does this fit my exact model? A: It cross-references OEM 420850500 for the 2009 Sea-Doo Challenger SP 155 1503. Confirm your serial number and cover part before ordering.

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