420956741 Sea-Doo Oil Filter | Genuine OEM BRP Part

🔧 Product Description

Genuine Sea-Doo 1503 4-TEC Oil Filter - Part Number: 420956741

A genuine BRP oil-filter element for the earlier 1503 Rotax 4-TEC engine family used across personal watercraft and Sea-Doo jet boats. It protects the lubrication system by removing debris from the circulating engine oil.

⚙️ Key Features

• Genuine BRP 1503 4-TEC oil-filter element

• Correct filter-media area and housing dimensions

• Suitable for naturally aspirated and supercharged 1503 engines where specified

• Designed for the original 420956740/741 filter housing

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 420956741 → supersedes or replaces 420956740

• 711956741 and 711956740 - related BRP number variants

OEM / Related Numbers:

• 420956741

• 420956740

• 711956741

• 711956740

Aftermarket / Verified Equivalents:

• Sierra Marine: 18-8880

• SBT: 36-112

• K&N: KN-556

🚤 Compatibility

Commonly used on:

• GTI, GTS, GTX, GTR, RXP, RXT and Wake 1503 4-TEC model families

• Naturally aspirated, supercharged and intercooled 1503 engines where 420956741 is specified

• Sportster, Speedster, Challenger, Islandia and Utopia 4-TEC jet boats

Typically suits:

• HP Range: Approximately 130-260 HP across supported 1503 engines

• Engine / Drive Type: 1503 cc three-cylinder Rotax 4-TEC engine

• Year Range: Approximately 2002-2015

• Serial / Model Identification: Confirm the lubrication diagram and filter number. Later 1630 and high-output 1503 applications can use 420956744.

🔌 Function

Filters engine oil before it reaches bearings, camshaft, valve train and turbo/supercharger-related oil circuits.

Common signs replacement or service is required:

• Scheduled engine-oil service is due

• Oil-pressure warning or restricted flow

• Metal, carbon or sludge is found in the filter

• Filter has been contaminated following internal engine or supercharger damage

📦 Condition

• Genuine Sea-Doo / BRP OEM part

• Brand new

• Supplied in genuine BRP or equivalent protective packaging