420956675 Oil Pump Rotor for Sea-Doo Sport 18-300 1630 2026

Oil Pump Rotor for Sea-Doo

The Oil Pump Rotor for Sea-Doo is a replacement engine oil pump rotor built to restore proper oil circulation on 1630-powered watercraft, and it cross-references OEM part number 420956675.

Overview

This Oil Pump Rotor for Sea-Doo is a direct-fit replacement component for the 1630 engine oil pump assembly used on 2026 Sport models. It spins inside the pump housing to move oil through the engine, helping maintain consistent lubrication and pressure during operation. It is intended for riders and mechanics servicing a Sea-Doo Sport 18-300 that needs the oil pump rotor refreshed.

Built For Performance

• Direct replacement for OEM part number 420956675
• Precision-formed rotor geometry for consistent oil displacement
• Constructed for reliable service in marine engine oil pump assemblies
• Designed to fit 1630 engine oil pump housings on compatible Sport models
• Supports steady oil pressure and circulation under load

Fits These Machines

• for Sea-Doo Sport 18-300 1630 (2026)

On-The-Job Use

• Engine oil pump rebuilds on 1630-powered Sea-Doo watercraft
• Routine replacement when oil pressure drops or the pump wears
• Servicing Sport 18-300 models from 2026
• Shop and DIY maintenance on 1630 marine engines

Specs At A Glance

Good To Know

Q: Does this rotor fit my Sea-Doo Sport? A: It is listed for the Sport 18-300 1630 from 2026, but fit can vary by serial number, so confirm your model and year before ordering.

Q: Can I install this rotor myself? A: Replacing an oil pump rotor requires opening the oil pump assembly and proper engine reassembly, so mechanical experience and correct torque specs are recommended.

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