SEA-DOO 278000749 Oil Fuel Harness JS3

( Manufacturer Part Number: 278000749 ), ( Type: Main Harness )

Review SEA DOO Oem Oil Fuel Harness Js3 New fits SPX 1996

The Sea-Doo 278000749 1996 SPX Oil Fuel Harness JS3 is an essential accessory for the maintenance and proper functioning of your Sea-Doo watercraft. This harness is specifically designed for Sea-Doo SPX models from 1996 and comes with fuel and oil lines, as well as necessary sensors and connectors.

The fuel line included in this harness is made of high-quality, UV-resistant material to ensure durability and resistance to the harsh marine environment. The line features a quick-connect system for easy installation and removal, making it a convenient choice for routine maintenance or seasonal storage. The harness also includes a fuel pressure regulator, which ensures the correct fuel pressure for optimal engine performance.

The oil line in the Sea-Doo 278000749 1996 SPX Oil Fuel Harness JS3 is similarly constructed with UV-resistant material for long-lasting use. It includes an oil pressure sensor, which monitors the engine's oil pressure and sends the information to the watercraft's gauge for easy monitoring. The harness also features a temperature sensor, which helps maintain the optimal operating temperature for the engine and cooling system.

The connectors in this harness are designed for a secure and reliable connection, ensuring the proper flow of fuel and oil to the engine. The harness is also fully compatible with the Sea-Doo diagnostic system, allowing for easy troubleshooting and maintenance.

Overall, the Sea-Doo 278000749 1996 SPX Oil Fuel Harness JS3 is a high-quality and essential accessory for any Sea-Doo SPX watercraft from 1996. It ensures the proper flow of fuel and oil to the engine, while also providing valuable diagnostic information for easy maintenance and troubleshooting. With its durable construction and quick-connect system, this harness is a must-have for any Sea-Doo owner.

The Sea-Doo SPX Oil Fuel Harness JS3 (part number 278000749) is an essential component for operating a Sea-Doo watercraft. This harness is responsible for supplying oil and fuel to the engine. Here are some pros and cons of buying this harness:

1. OEM (Original Equipment Manufacturer) part: This harness is an original part from Sea-Doo, ensuring a perfect fit and optimal performance for your watercraft.

2. Reliable: Sea-Doo is a trusted brand in the marine industry, and this harness is designed to provide long-lasting performance.

3. Easy installation: The harness comes with clear instructions and is generally easy to install, saving you time and effort.

4. Improves engine performance: A malfunctioning or worn-out harness can significantly impact engine performance. Replacing it with a new one will ensure your engine runs at its best.

5. Prevents potential engine damage: A faulty harness can lead to oil or fuel leaks, which can damage your engine or cause safety issues.

1. Cost: Replacing an engine harness can be a costly repair, especially for older watercraft.

2. Availability: Depending on the model and year of your Sea-Doo, it may be challenging to find this specific harness in stock at your local dealer or online retailer.

3. Complex installation: While the installation process is generally straightforward, some users have reported encountering complications during installation.

In conclusion, the Sea-Doo SPX Oil Fuel Harness JS3 is an essential component for maintaining the performance and safety of your watercraft. Its pros outweigh the cons, such as being an OEM part, ensuring reliable operation, and improving engine performance. However, the cost and potential availability issues may be a concern for some users.

If you own a Sea-Doo watercraft and are experiencing issues with your oil and fuel harness, it's recommended to replace it with a new OEM part like the 278000749 harness to ensure the best possible performance and safety for your watercraft.

Details:

Specifically designed by Sea-Doo, this main harness component is identified the manufacturer part number 278000749. The product is a brand new OEM oil fuel harness for 1996 Sea-Doo SPX. With this part, users can ensure their personal watercraft continues to function properly and efficiently, providing a Seamless experience on the water.

part #: 278000749 prices

• $16.76-$48.88

specifications perwatercraft:

• for models: Spx
• for makes: Sea-doo
• for years: 1996
• mpn: 278000749
• type: Main Harness

shipping perwatercraft:

• transit: 4-9 Days
• carrier: USPS
• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• cost: $6.05

returns perwatercraft:

• policy: No Returns

offer perwatercraft:

• availability: In Stock
• started: December 14, 2025
• quantity: 1
• sold: 0
• options: Ship-to-home

seller perwatercraft:

• rating: 100.0%
• # reviews: 2181
• city: Lorena, Texas

general perwatercraft:

• condition: New
• Parts Accessories > Personal Watercraft Parts > Other Parts

payments perwatercraft:

• wallet: Paypal
• other
• credit card: Diners-club

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