420811591 Oil Pump Cover for Sea-Doo Fish Compact 170 1630 2026

Oil Pump Cover for Sea-Doo

This oil pump cover is a replacement component that seals and protects the oil pump assembly on the Rotax 1630 engine, carrying OEM cross-reference 420811591.

Overview

This oil pump cover is made to fit the Rotax 1630 engine used across Sea-Doo Fish models. The cover shields the oil pump internals from debris and helps maintain proper oil flow. It suits riders and mechanics performing routine maintenance or rebuilding a 1630 engine.

Built For Performance

• Direct replacement for OEM part number 420811591
• Seals the oil pump housing against oil loss
• Constructed for marine engine duty
• Matches factory mounting points
• Protects internal pump components from contaminants

Fits These Machines

• for Sea-Doo Fish Compact 170
• for Sea-Doo Fish 21-300 1630

On-The-Job Use

• Engine oil pump service and rebuilds
• Routine maintenance on 1630 Rotax engines
• Marine repair shops handling Sea-Doo watercraft

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is an aftermarket oil pump cover made to fit Sea-Doo applications and cross-references OEM number 420811591.

Q: Does this fit both Fish models listed? A: It is listed for the Fish Compact 170 and Fish 21-300 with the 1630 engine, but confirming your serial number before ordering is recommended.

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