420811591 Oil Pump Cover for Sea-Doo RXT XRS 300 1630 2017-2022

Oil Pump Cover for Sea-Doo RXT XRS 300

This oil pump cover carries OEM reference 420811591 and seals the oil pump housing on 1630 series 300 engines so lubrication stays contained under load.

Overview

The oil pump cover for Sea-Doo RXT XRS 300 closes off the oil pump housing on 1630 engines and keeps the lubrication circuit sealed. It matches OEM 420811591 so it mounts without modification. This oil pump cover fits riders maintaining their own watercraft or shops completing engine service.

Built For Performance

• Direct-fit replacement for OEM reference 420811591
• Seals the oil pump housing against leaks and debris
• Durable construction for marine engine conditions
• Supports consistent oil pressure across the lubrication system
• Bolt-on installation with no machining required

Fits These Machines

• for Sea-Doo RXT 300
• for Sea-Doo XRS 300

On-The-Job Use

• Routine oil pump service on 1630 300 engines
• Engine rebuilds and lower-end refreshes
• Leak repair at the oil pump housing
• Off-season maintenance on performance watercraft

Specs At A Glance

Good To Know

Q: Is mounting hardware included with this cover? A: This listing covers the oil pump cover only, so inspect your existing fasteners and replace any that are stretched or corroded. Original bolts are often reused when they are still in good shape.

Q: How can I confirm it fits my machine? A: Compare the OEM reference 420811591 with your parts diagram and check that your engine is a 1630 series 300 unit. Model year and serial number breaks can affect fitment, so verify 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.