420811851 Oil Pump Cover Plate for Sea-Doo RXT XRS 300 1630 2017-2022

Oil Pump Cover Plate for Sea-Doo

This oil pump cover plate (OEM cross-reference 420811851) seals and protects the oil pump assembly on Sea-Doo RXT, XRS and 300 models, helping maintain consistent oil pressure in the 1630 engine.

Overview

This oil pump cover plate is a direct-fit replacement for the factory cover on Sea-Doo 1630 engine applications. It seals the oil pump housing to keep lubricant flowing where it belongs and protects internal pump components from debris and wear. Ideal for riders performing routine maintenance or rebuilding a Sea-Doo RXT XRS 300 oil pump assembly.

Built For Performance

• OEM cross-reference 420811851 for accurate fitment matching
• Precision-machined sealing surface for a reliable oil-tight fit
• Durable construction built to handle constant marine engine vibration
• Protects the oil pump internals from water spray and debris
• Direct replacement for the factory cover plate on compatible 1630 engines

Fits These Machines

• for Sea-Doo RXT 300 1630 (2017-2022)
• for Sea-Doo RXT-X 300 1630 (2017-2022)
• for Sea-Doo RXT-XRS 300 1630 (2017-2022)

On-The-Job Use

• Routine oil pump servicing and rebuilds
• Restoring a leaking or damaged cover plate
• Preventive maintenance on high-hour 1630 engines
• Shop and DIY rebuilds of the oil pump assembly

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is an aftermarket oil pump cover plate that cross-references OEM number 420811851. It is designed as a direct-fit replacement for the factory cover.

Q: Do I need to replace gaskets or seals at the same time? A: It is good practice to inspect and replace any associated gaskets or O-rings during installation to prevent oil leaks. Always confirm the correct sealing components for your specific engine before reassembly.

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