420811851 Oil Pump Cover Plate for Sea-Doo GTX S/C 1503 2003-2006

Oil Pump Cover Plate for Sea-Doo

This oil pump cover plate is a direct replacement component for the 1503 engine oil pump assembly, carrying OEM cross-reference 420811851 for easy verification against your original part.

Overview

This oil pump cover plate is manufactured to fit the 1503 engine oil pump used across a range of personal watercraft. The cover plate seals and protects the oil pump internals, helping maintain steady oil pressure for reliable engine lubrication. It is aimed at riders and mechanics performing routine rebuilds or replacing a worn, leaking, or damaged cover plate on a Sea-Doo 1503.

Built For Performance

• Precision-machined mounting face for a clean seal against the oil pump body
• Cross-references OEM part number 420811851 for straightforward matching
• Constructed from durable material suited to constant oil exposure
• Designed to hold the oil pump internals securely in place during operation
• Direct-fit replacement that reuses the original mounting hardware

Fits These Machines

• for Sea-Doo GTX S/C 1503, 2003-2006

On-The-Job Use

• Routine oil pump service and rebuilds on 1503 engines
• Replacing a cracked or leaking cover plate during engine repair
• Maintenance work performed by shops and DIY owners alike
• Restoring proper oil circulation on higher-hour personal watercraft

Specs At A Glance

Good To Know

Q: Does this cover plate come with mounting bolts? A: It is supplied as the cover plate itself, so reuse your existing fasteners unless they are damaged. Inspect the sealing surface and gasket during installation to prevent leaks.

Q: How do I confirm this fits my watercraft? A: Match the OEM number 420811851 against your old cover plate or your machine's parts diagram. Model year and serial number can affect fit, so verify 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.