420811851 Oil Pump Cover Plate for Sea-Doo Cruise 18-230 1630 2023-2026

Oil Pump Cover Plate for Sea-Doo

This oil pump cover plate, part number 420811851, seals and protects the oil pump assembly on Sea-Doo 1630 engine platforms.

Overview

This oil pump cover plate is a direct-fit replacement for the Sea-Doo 1630 engine used across the Cruise 18-230 lineup. It covers and seals the oil pump assembly to keep lubrication contained and flowing correctly. Made for riders and mechanics servicing 2023 to 2026 Sea-Doo Cruise 18-230 watercraft.

Built For Performance

• Direct replacement for part number 420811851
• Precision-formed to seal the oil pump housing
• Designed for the 1630 engine platform
• Manufactured to consistent tolerances for proper fitment
• Handles the heat and vibration of marine engine operation

Fits These Machines

• for Sea-Doo Cruise 18-230 1630 (2023-2026)

On-The-Job Use

• Routine oil pump service and rebuilds
• Replacing a cracked or leaking cover plate
• Preventive maintenance on the 1630 engine
• Shop repairs on Sea-Doo personal watercraft

Specs At A Glance

Good To Know

Q: Does this cover plate come with mounting hardware? A: This listing is for the cover plate only, so reuse your existing fasteners unless they show wear.

Q: How do I confirm it fits my watercraft? A: Match the part number 420811851 against your model and engine platform 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.