420811591 Oil Pump Cover for Sea-Doo Fish 18-170 1630 2025

Oil Pump Cover for Sea-Doo

This oil pump cover for Sea-Doo is a direct replacement component that seals and protects the oil pump assembly on the Rotax 1630 engine, referenced under part number 420811591.

Overview

This oil pump cover for Sea-Doo provides a secure, sealed housing for the oil pump on the 1630 engine platform. It keeps the pump protected from debris and retains proper oil pressure for consistent engine lubrication. A dependable choice for riders servicing a Fish 18-170 or anyone replacing a worn or leaking cover.

Built For Performance

• Direct fitment for the Rotax 1630 engine oil pump assembly
• Seals the pump housing to help maintain steady oil pressure
• Constructed to withstand constant exposure to hot engine oil
• Precision-machined mating surface for a clean seal
• Replaces the original cover referenced under part number 420811591

Fits These Machines

• for Sea-Doo Fish 18-170 1630, 2025

On-The-Job Use

• Routine oil pump service and rebuilds on the 1630 engine
• Replacing a cracked or leaking pump cover
• Seasonal maintenance for Fish 18-170 models
• Restoring proper lubrication after an oil system repair

Specs At A Glance

Good To Know

Q: Does this cover include the oil pump internals? A: It is the cover only, so reuse or replace the pump internals separately as needed.

Q: Will this fit other Sea-Doo 1630 models? A: It is built for the 1630 engine family, but confirm your model year and serial number 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.