QUICKSILVER 84-879171T05 Harness Extension 5FT

( Brand: Quicksilver ), ( Part Type: Harness ), ( Manufacturer Part Number: 84-879171T05 )

Review QUICKSILVER Mercury Harness Extension 5ft 4000mm Pt# fits MERCRUISER PT 4000

Quicksilver 84-879171T05 Mercury Mercruiser Harness Extension 5ft, 4000 Series

The Quicksilver 84-879171T05 Mercury Mercruiser Harness Extension is a versatile and essential accessory for boat owners with Mercury Mercruiser engines. This high-quality harness extension is designed to provide additional length for wiring harnesses, making it an ideal solution for boats with longer wiring runs or for applications where extra length is required.

Measuring 5 feet in length, this harness extension is perfect for extending wiring harnesses between the engine compartment and the cockpit or console area. It is part of the Quicksilver 4000 Series, which is known for its superior performance, durability, and compatibility with a wide range of Mercury Mercruiser engines.

Constructed from top-grade materials, the Quicksilver 84-879171T05 Harness Extension is designed to withstand the harsh marine environment. Its flexible and UV-resistant jacket ensures protection against sunlight, water, and other environmental factors. The extension's compact design allows for easy installation and minimal intrusion into the boat's living space.

This harness extension features a secure and reliable T-connector, which ensures a solid connection between the engine harness and the extension. The T-connector's innovative design allows for easy and convenient connection of multiple wires, making it a practical solution for complex wiring configurations.

The Quicksilver 84-879171T05 Mercury Mercruiser Harness Extension is an excellent investment for boat owners who want to ensure reliable and efficient power distribution in their vessel. With its superior quality, compatibility, and durability, this harness extension is the go-to solution for extending wiring harnesses on Mercury Mercruiser-powered boats.

Mercury Mercruiser Quicksilver 84-879171T05 Harness Extension: A Detailed Analysis

The Mercury Mercruiser Quicksilver 84-879171T05 harness extension is a crucial component for boat owners who require additional length for their wiring harnesses. In this analysis, we will discuss the potential pros and cons of purchasing this product to help you make an informed decision.

1. Compatibility: This harness extension is specifically designed for Mercury Mercruiser engines, ensuring a perfect fit and seamless integration with your electrical system.

2. Length: With a length of 5 feet, this extension provides ample length to reach various components on your boat that may be located far from the engine compartment.

3. Durability: Quicksilver is a well-known brand in the marine industry, and their products are known for their high-quality materials and robust construction. This harness extension is no exception, as it is designed to withstand the harsh marine environment.

4. Easy Installation: The harness extension comes pre-terminated, which makes installation a straightforward process. Simply connect the extension to the existing wiring harness and secure it in place.

5. Improved Safety: By providing the necessary length to reach critical components, this harness extension can help ensure the safety of your boat's electrical system and prevent potential electrical hazards.

1. Cost: Compared to some aftermarket alternatives, the Quicksilver harness extension may be priced higher due to its brand reputation and high-quality materials.

2. Limited Flexibility: As a rigid extension, it may not offer the same level of flexibility as a more adaptable solution. This could potentially limit its application in certain situations.

3. Size and Weight: Due to its length and the materials used, this harness extension may be heavier and larger than some other options, which could impact the overall weight and balance of your boat.

The Mercury Mercruiser Quicksilver 84-879171T05 harness extension is a reliable and effective solution for boat owners in need of additional wiring length. Its compatibility with Mercury Mercruiser engines, durability, easy installation, and improved safety make it a worthwhile investment for those seeking a high-quality, pre-terminated extension. However, potential buyers should consider the higher cost compared to some alternatives and the limited flexibility that comes with a rigid extension.

If you are a Mercury Mercruiser boat owner in need of a reliable and easy-to-install wiring extension, the Quicksilver 84-879171T05 harness extension is an excellent choice. Its proven compatibility, durability, and ease of installation make it a worthwhile investment for enhancing the safety and functionality of your boat's electrical system. However, it is essential to carefully consider the cost and potential limitations in terms of flexibility before making your purchase.

part # 84879171t05 prices

• $24.30-$29.96

specifications dorycontrol:

• for models: 4000, Mercruiser, Pt
• for makes: Mercury
• brand: Quicksilver
• part type: Harness
• manufacturer part number: 84-879171T05

shipping dorycontrol:

• type: Fixed
• class: Standard
• carrier: USPS
• transit: 4-8 Days
• service: USPS Ground Advantage
• cost: $0.00

returns dorycontrol:

• time: 14 Days
• paid by: Buyer
• policy: Returns Accepted

offer dorycontrol:

• quantity: 1
• availability: In Stock
• started: April 19, 2026
• sold: 0
• options: Ship-to-home

seller dorycontrol:

• # reviews: 664
• rating: 100.0%

general dorycontrol:

• condition: New
• Parts Accessories > Boat Parts > Controls Steering

payments dorycontrol:

• other
• wallet: Apple-pay
• credit card: Discover

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