
840482A2 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $56.99 | Condition is Used, 2005 MERCURY 240 M2 SPORTJET FUEL SYSTEM INJECTOR WIRING HARNESS LOOM LEAD OEM , shipping cost = $15.05 | 99.8% |
![]() | $64.99 | Condition is Used, 2003 Mercury 240 M2 Sportjet OEM Fuel System Injector Wiring Harness Loom Lead, shipping cost = $7.99 | 100.0% |
![]() | $600.00 | Condition is Used, Mercury Air Handler Plate With Injectors 240 JET 1 YEAR WARRANTY, FREE SHIPPING | 99.9% |

The Mercury 840482A2 2003 240 m SportJet Fuel Injector Wiring Harness Loom is an essential component for the proper functioning of fuel injection systems in Mercury outboard motors produced in 2003. This wiring harness loom, specifically designed for the 240 m SportJet fuel injector setup, comes with various leads that facilitate efficient and reliable fuel delivery to the engine.
The harness loom comprises multiple electrical connections designed to work in tandem with the Mercury 240 m SportJet fuel injectors. Each lead in the harness has a distinct color-coded identification, ensuring that installations are carried out with precision and ease. This feature eliminates guesswork and simplifies the wiring process.
The Mercury 840482A2 wiring harness loom is manufactured using high-quality materials and built to withstand the demanding marine environment. It has resistance to water, UV rays, and other harsh conditions common in boating applications. The flexible and durable construction prevents the harness from getting damaged or severed when the motor experiences various forces during usage.
With the combination of the fuel injector wiring harness loom and Mercury SportJet fuel injectors, you can trust that your outboard motor will run more efficiently, producing consistent power and improved fuel economy. Additionally, this harness loom can contribute to a smoother and quieter engine operation, enhancing the overall boating experience.
By choosing the Mercury 840482A2 2003 240 m SportJet Fuel Injector Wiring Harness Loom, you are investing in a reliable and long-lasting solution that ensures the continued performance and durability of your Mercury outboard motor. This harness loom is a must-have for boaters looking to upgrade their fuel system or maintain their existing Mercury outboard engine.
Mercury 840482A2 2003 240 m2 Sportjet Fuel Injector Wiring Harness Loom Lead: A Detailed Analysis
The Mercury 840482A2 2003 240 m2 Sportjet Fuel Injector Wiring Harness Loom Lead is an essential component for boat owners with Mercury Outboard engines. Replacing a worn-out or damaged wiring harness can prevent engine misfiring, poor performance, and prevent potential electrical issues. However, like any other automotive part, it comes with its advantages and disadvantages. Let's take a closer look at these pros and cons before making a final recommendation.
Pros:1. Improved Engine Performance: A new wiring harness can ensure reliable power delivery to the fuel injectors, leading to better fuel efficiency and improved engine performance.
2. OEM Part: The Mercury 840482A2 2003 240 m2 Sportjet Fuel Injector Wiring Harness Loom Lead is an original equipment manufactured (OEM) part, meaning it is designed and engineered to fit and function optimally with your Mercury Outboard engine.
3. Longer Service Life: Using a genuine OEM part can extend the overall life of your engine by ensuring a proper electrical connection, minimizing wear and tear, and preventing potential shorts or corrosion.
4. easy to Connection: The wiring harness comes fully assembled with plug and play connectors, making it easy for users to install, reducing installation complexity and time.
Cons:1. cost: The Mercury 840482A2 2003 240 m2 Sportjet Fuel Injector Wiring Harness Loom Lead can be a relatively expensive part, especially if you're working on a budget or with multiple repair needs on your boat.
2. availability: Finding this specific part might be challenging, particularly for boats with older models or that are no longer in production.
3. Careful Handling Required: The wiring harness is somewhat fragile due to the numerous delicate wires, and it's essential to handle it carefully during installation and removal to avoid damaging the wires, connectors, or prongs.
In Conclusion:The Mercury 840482A2 2003 240 m2 Sportjet Fuel Injector Wiring Harness Loom Lead is a high-quality part that offers significant benefits for improved engine performance, reliability, and ease of installation. Although it comes with a higher price tag than some aftermarket alternatives and poses care requirements during handling, the benefits often outweigh the cons, especially for Mercury Outboard engine owners seeking optimal performance and longevity. If you are in the market for a new wiring harness, the Mercury OEM part is a wise investment.
Details:
specifications inboardfuel:
- for models: M2
- for years: 2003
- brand: Mercury
- mpn: 840482a2
- part type: Fuel Wiring Injector Harness
- country/region of manufacture: United States
- modified item: No
returns inboardfuel:
- policy: no returns
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
payments inboardfuel:
- wallet: google-pay
- other
- credit card: diners-club
shipping inboardfuel:
- class: standard
- service: usps ground advantage
- type: fixed
- carrier: usps
- transit: 2-7 days
seller inboardfuel:
- rating: 100.0%
- # reviews: 35
- city: mount sinai, new york
offer inboardfuel:
- sold #: 23
- options: ship-to-home
- prices: $56.99–$600.00
- item condition: Used
- started: january 15, 2025
- availability: in stock
- in stock #: 3
Similar Items:
- 807952A1: FUEL REGULATOR MOTOR, Yiheozux
- 0000060600: FUEL PUMP, Aftermarket
- 11841-4: FUEL CANISTER, Attwood
- 18-7981: FUEL FILTER, Sierra
- 35-816296Q03: FUEL FILTER, Quicksilver
- TO11700101F: FUEL PUMP, Munirater
- 18-97302: FUEL PUMP, Sierra
- 8-8868: FUEL PUMP, Fixingtoolbox
- V62BL: CARBURETOR, Mercruiser
- 033485-10: FUEL LINE ENGINE, Moeller
- 77442A1: CYLINDER HOUSING, Sierra


