MERCURY 8M0138678 Harness Power Steering Signal 745061622999 30FT

( Part Type: Steering Harness Signal ), ( Country Of Origin: United States ), ( Manufacturer Part Number: 8M0138678 ), ( UPC: 745061622999 )

Review MERCURY Harness Power Steering Signal 30ft fits MARINE

Introducing the Mercury Marine Harness Power Steering Signal (Part Number: 8M0138678), a high-quality solution designed specifically for your marine steering system. This harness is engineered to meet the unique demands of boating applications, providing reliable and efficient power steering signal transmission between your engine and steering gear.

Measuring an impressive length of 30 feet, this Mercury harness is ample for most medium to large-sized vessels. The heavy-duty design features a bold red color scheme for easy identification and includes a total of five wires: two for the power steering signal, two for ground, and one for the ignition signal.

Constructed with top-tier materials, this harness is built to withstand the harsh marine environment. The wires are shielded with a tough, abrasion-resistant cover, while the connectors are sealed against moisture and corrosion. The terminals are designed with a secure, push-to-connect design, ensuring a strong and reliable connection every time.

This Mercury Marine Harness Power Steering Signal is compatible with a wide range of Mercury outboard engines and is an excellent replacement or upgrade for older, worn-out harnesses. Installation is straightforward, and the harness comes with clear instructions and all necessary hardware for a hassle-free installation process.

Invest in the peace of mind and dependability that comes with the Mercury 8M0138678 Marine Harness Power Steering Signal. This harness is backed by the Mercury Marine reputation for quality and is sure to provide you with years of reliable service on the water.

Mercury Marine Harness Power Steering Signal 30ft (8M0138678): A Comprehensive Analysis

The Mercury Marine Harness Power Steering Signal 30ft (8M0138678) is a crucial component for power steering systems in boats. This harness helps transmit the power steering signal from the wheel to the power steering unit. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this harness to help you make an informed decision.

1. OEM Quality: This harness is an original equipment manufacturer (OEM) part, ensuring it is specifically designed and manufactured for Mercury Marine systems.

2. Reliability: As an OEM part, it is engineered to meet the highest standards of quality and durability, ensuring long-lasting performance.

3. Compatibility: This harness is compatible with a wide range of Mercury Marine applications, making it a versatile option for various boat models.

4. Easy Installation: The harness comes pre-assembled, making the installation process simpler and more straightforward than having to assemble individual wires.

1. Cost: The Mercury Marine Harness Power Steering Signal 30ft (8M0138678) may be more expensive than aftermarket alternatives, which could be a significant deciding factor for some buyers.

2. Limited Flexibility: This harness is designed specifically for Mercury Marine applications, which might not cater to custom installations or unique boat configurations.

The Mercury Marine Harness Power Steering Signal 30ft (8M0138678) offers several advantages, including OEM quality, reliability, ease of installation, and compatibility with various Mercury Marine applications. However, it may come with a higher price tag compared to aftermarket alternatives. Ultimately, if you are looking for a high-quality, reliable, and easy-to-install power steering harness designed specifically for Mercury Marine systems, this OEM harness might be the best choice for you. If budget is a concern, you may want to consider aftermarket alternatives, but be aware that they might not offer the same level of compatibility and ease of installation as the OEM harness.

part # 8m0138678 prices

• $40.00-$74.62

specifications dorycontrol:

• for models: Marine
• for makes: Mercury
• part type: Steering Harness Signal
• country of origin: United States
• manufacturer part number: 8M0138678
• upc: 745061622999

seller dorycontrol:

• rating: 100.0%
• # reviews: 5474

offer dorycontrol:

• started: March 23, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0

shipping dorycontrol:

• transit: 3-8 Days
• class: Standard
• carrier: USPS
• cost: $0.00
• service: USPS Ground Advantage
• type: Calculated

returns dorycontrol:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

general dorycontrol:

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

payments dorycontrol:

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

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