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

Oil Pump Rotor for Sea-Doo

This oil pump rotor is a replacement internal engine component that circulates oil through the 1630 engine used in the Sea-Doo LTD 18-300, carrying the OEM cross-reference 420956675.

Overview

The oil pump rotor for Sea-Doo keeps lubrication moving through the 1630 powerplant by drawing and pressurizing oil across the rotating assembly. As a direct-fit replacement for the 2026 LTD 18-300, this oil pump rotor restores consistent oil pressure when the original rotor shows wear or scoring. It suits riders and mechanics servicing a late-model Sea-Doo who want a dependable oil pump rotor without chasing discontinued dealer stock.

Built For Performance

• Precision-formed rotor lobes sized for the 1630 oil pump housing
• Replaces OEM cross-reference 420956675
• Consistent oil pressure delivery across the rev range
• Wear-resistant surfaces intended for long service intervals
• Direct swap for the factory rotor during pump service
• Balanced construction to limit vibration inside the pump body

Fits These Machines

• for Sea-Doo LTD 18-300 1630, 2026

On-The-Job Use

• Oil pump rebuilds on 1630 engines
• Routine servicing of 2026 LTD 18-300 machines
• Replacing a scored or worn rotor during bottom-end work
• Keeping oil pressure steady on long rides

Specs At A Glance

Good To Know

Q: Do I need to replace the whole oil pump? A: No, this listing covers the rotor alone, so it works for pump service where the housing is still within spec. Inspect the housing and shaft for wear before reassembly.

Q: Is this an original Sea-Doo part? A: No, it is an aftermarket oil pump rotor built to fit Sea-Doo 1630 engines and cross-referenced to 420956675.

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