420811851 Oil Pump Cover Plate for Sea-Doo RXT P X 300 1630 2018

Oil Pump Cover Plate for Sea-Doo

This oil pump cover plate is a replacement component for Sea-Doo personal watercraft that seals and protects the oil pump assembly. It carries OEM cross-reference 420811851 for straightforward matching.

Overview

This oil pump cover plate is a direct-fit replacement for Sea-Doo watercraft equipped with the 1630 engine. It seals the oil pump housing to help maintain proper oil pressure and keep contaminants out of the assembly. Designed for riders and mechanics servicing the Sea-Doo RXT, P-X, and X 300 platforms.

Built For Performance

• OEM cross-reference 420811851 for accurate fitment matching
• Constructed to seal the oil pump housing against leaks
• Designed for the 1630 engine platform
• Replaces a worn or damaged original cover plate
• Helps maintain consistent oil pressure in the pump assembly

Fits These Machines

• for Sea-Doo RXT 300
• for Sea-Doo RXT P 300
• for Sea-Doo RXT X 300

On-The-Job Use

• Routine oil pump service and rebuilds
• Replacement of a leaking or warped cover plate
• Engine maintenance on 1630-equipped watercraft
• Shop repairs on Sea-Doo RXT 300 models

Specs At A Glance

Good To Know

Q: Does this cover plate include mounting hardware? A: No, mounting hardware is not included with the cover plate. Reuse your existing fasteners or source replacements separately.

Q: How do I confirm this fits my watercraft? A: Match the OEM number 420811851 to your model and serial number before ordering. Fitment can vary by year and trim level.

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