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  3. MERCURY MARINE 90-879191002

MERCURY MARINE 90-879191002 Control Engine Harness 40-60 4-STROKE

fits model: Efi. make: Mercury. year: 2002–2004.

90-879191002 Mercury Marine Control Engine Harness Diagram 40-60 Efi 4-stroke 2002-2004

( Brand: Mercury Marine ), ( Part Type: Control Engine Harness ), ( Manufacturer Part Number: 90-879191002 ), ( Media Type: Wiring Diagram ), ( Year Of Publication: 2007 )

Review MERCURY MARINE Control Engine Harness Diagram 40-60 4-stroke fits EFI 2002–2004

The Mercury Marine 90-879191002 Control Engine Harness is an essential component for the 40-60 EFI 4-stroke outboard motors manufactured between 2002 and 2004. This harness plays a crucial role in connecting and transmitting electrical signals between various components of your Mercury Marine outboard engine.

The harness is designed with top-tier materials to ensure durability and reliability, even in the harshest marine environments. Each wire is carefully insulated with high-quality materials to protect against water intrusion, UV damage, and abrasion. The wiring is also color-coded for easy identification and installation.

This control engine harness includes a range of connectors and terminals that are specifically designed for Mercury Marine engines. These connectors ensure a secure and reliable connection between various engine components, such as the engine control module, fuel injection system, ignition system, and other essential systems.

The Mercury Marine 90-879191002 Control Engine Harness is engineered to meet or exceed OEM specifications, ensuring optimal performance and compatibility with your outboard engine. Installation is straightforward, with clear instructions provided to guide you through the process.

In summary, the Mercury Marine 90-879191002 Control Engine Harness is a high-quality, reliable solution for maintaining the electrical connections in your 40-60 EFI 4-stroke 2002-2004 outboard motor. With its durable design, easy installation, and compatibility with OEM specifications, this harness is an essential accessory for any Mercury Marine outboard engine owner.

Mercury Marine 90-879191002 Control Engine Harness for 40-60 EFI 4-Stroke (2002-2004): Pros, Cons, and Conclusion

The Mercury Marine 90-879191002 Control Engine Harness is a crucial component for the electrical system of Mercury Marine 40-60 EFI 4-Stroke outboard motors produced between 2002 and 2004. In this analysis, we will discuss the advantages and disadvantages of this part to help you make an informed decision about your purchase.

Pros:

1. OEM (Original Equipment Manufacturer) part: This control engine harness is a factory-original replacement part, ensuring compatibility and reliability.

2. Improved engine performance: A faulty or damaged harness can cause numerous issues, including poor engine performance, rough idling, and even engine stalling. Replacing the harness with a new one can restore optimal engine function.

3. Durability: The harness is designed to withstand the harsh marine environment, ensuring long-term reliability.

4. Easy installation: The harness comes pre-terminated, making the installation process more straightforward and less time-consuming.

Cons:

1. Cost: The Mercury Marine 90-879191002 Control Engine Harness is a premium replacement part, and its cost might be higher than aftermarket alternatives.

2. Availability: Due to its OEM status, this harness might not be as easily available as aftermarket alternatives from various retailers.

3. Limited compatibility: This harness is specifically designed for Mercury Marine 40-60 EFI 4-Stroke outboard motors from 2002 to 2004. It may not be compatible with other outboard motor brands or models.

Conclusion:

The Mercury Marine 90-879191002 Control Engine Harness offers several advantages, such as being an OEM part, improving engine performance, and its durability. However, it also comes with some disadvantages, such as its cost and limited availability. Ultimately, if you own a Mercury Marine 40-60 EFI 4-Stroke outboard motor from 2002 to 2004 and require a replacement control engine harness, this OEM part is an excellent choice for maintaining optimal engine function and ensuring long-term reliability.

Recommendation:

If you are in need of a control engine harness for your Mercury Marine 40-60 EFI 4-Stroke outboard motor from 2002 to 2004, we recommend purchasing the Mercury Marine 90-879191002 Control Engine Harness as a reliable and effective solution to maintain your engine's performance and ensure its longevity.

part # 90879191002 prices

  • $8.81-$13.70

specifications crafttract:

  • for models: Efi
  • for makes: Mercury
  • for years: 2002-2004
  • brand: Mercury Marine
  • part type: Control Engine Harness
  • manufacturer part number: 90-879191002
  • media type: Wiring Diagram
  • year of publication: 2007

shipping crafttract:

  • cost: $0.00
  • transit: 3-7 Days
  • class: Standard, Expedited
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  • carrier: USPS
  • type: Fixed

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  • Parts Accessories > Manuals Literature > Boats Watercraft
  • condition: Used

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  • options: Ship-to-home
  • availability: In Stock
  • started: September 15, 2025
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  • rating: 99.1%
  • # reviews: 27959
for models: efi, for makes: mercury, for years: 2002-2004, part type: control engine harness, media type: wiring diagram, year of publication: 2007,
category: boat parts > manuals literature > boats watercraft, sku: 1194627905512604,

Mercury Marine 90-879191002 Is Similar To:

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2 offers $8.81–$13.70 USD
  • Offer #1: $13.70 price + free delivery = $13.70* total. Part number: . Model years 2002, 2003, 2004.FREE SHIPPING
  • Offer #2: $8.81 price + $4.95 delivery = $13.76* total.+$4.95 shipping