1. Boat Outboard Engines To Buy
  2. sku: 24209584077459604
  3. LABWORK PART 18-8840

LABWORK-PART Spark Plug Wire Set 18-8840/584920 150 175 V6

fits model: Marine. make: Johnson, Evinrude.

18-8840 Labwork-part 18-8840/584920 Fit For Johnson Evinrude 150 And 175 Hp V6 Marine Spark Plug Wire Set

( Brand: Labwork-part ), ( Part Type: Spark Wire Hp Plug ), ( Country Of Origin: United States ), ( Warranty: 90 Day ), ( Custom Bundle: No ), ( UPC: 188840584920 )

Review LABWORK PART 18-8840/584920 Fit Johnson Evinrude 150 And 175 Hp V6 Spark Plug Wire Set fits MARINE

The **Johnson Evinrude 150/175 HP V6 Marine Spark Plug Wire Set (Part #18-8840/584920)** is a precision-engineered, high-performance wiring assembly designed specifically for Evinrude E-TEC and E-TEC HP outboard engines in the 150 and 175 horsepower V6 configurations. Crafted to meet the rigorous demands of marine applications, this wire set ensures optimal electrical conductivity, durability, and reliability under the harshest conditions whether cruising through open water, towing heavy loads, or navigating rough seas. Each wire in the set is meticulously constructed with **high-grade, marine-grade silicone rubber insulation**, providing superior resistance to abrasion, UV degradation, oil, and saltwater corrosion, which are common challenges in marine environments. The wiring harness features **tinned copper conductors** for enhanced corrosion resistance and improved signal transmission, ensuring consistent spark delivery to each cylinder for maximum engine efficiency and power output. The connectors are engineered with **secure, corrosion-resistant terminals** that maintain a tight, interference-free connection, reducing the risk of voltage drop or misfires that could compromise performance or fuel economy. This wire set is a direct replacement for the original equipment manufacturer (OEM) wiring, guaranteeing a perfect fit with no modifications required, and is backed by Johnson s reputation for quality and durability. Whether you re restoring an older Evinrude V6 or upgrading an existing installation, this spark plug wire set is an essential component for maintaining peak engine performance, longevity, and dependability making it a must-have for any serious marine enthusiast or professional technician.

### **Pros and Cons of buying a LabWork Part #18-8840/584920 Spark Plug Wire Set for Johnson/Evinrude 150-175 HP V6 Marine Engines**

#### **Pros**

1. **Direct Compatibility** The wire set is specifically designed for Johnson/Evinrude 150-175 HP V6 outboard engines, ensuring a proper fit without modification. This reduces the risk of installation errors or compatibility issues.

2. **High-Quality Materials** LabWork is a reputable manufacturer known for producing durable, corrosion-resistant spark plug wires. These wires are likely made from high-quality silicone or rubber insulation with reinforced shielding to prevent signal interference and extend lifespan.

3. **Improved Performance** Worn or damaged spark plug wires can lead to misfires, reduced power, and poor fuel efficiency. Replacing them with a new set can restore optimal engine performance, smoother operation, and better throttle response.

4. **Prevents Electrical Issues** Over time, spark plug wires degrade due to exposure to saltwater, UV rays, and mechanical stress. New wires help prevent electrical shorts, weak spark delivery, and potential damage to the ignition system.

5. **Easy Installation** The wires are pre-assembled and color-coded (if applicable) for easy identification and installation. This makes the replacement process straightforward, even for DIYers without extensive mechanical experience.

6. **Cost-Effective Upgrade** Compared to full ignition system replacements, spark plug wires are relatively inexpensive. Replacing them is a minor but impactful maintenance task that can avoid more costly repairs down the line.

7. **Warranty Coverage** LabWork products often come with warranties, providing peace of mind in case of manufacturing defects or premature failure.

8. **Compatibility with Aftermarket Parts** If you ve upgraded other components (e.g., spark plugs, ignition coils), these wires will integrate seamlessly with the rest of your engine s electrical system.

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#### **Cons**

1. **Potential Overkill for Minor Issues** If the existing wires are only slightly worn or the engine s performance problems stem from another source (e.g., faulty spark plugs, ignition coils, or fuel delivery), replacing just the wires may not fully resolve the issue. A diagnostic check is advisable before purchasing.

2. **Price Relative to Generic Alternatives** While LabWork is a trusted brand, some generic or aftermarket wire sets may offer similar performance at a lower cost. However, generic wires might lack the same durability or corrosion resistance, especially in marine environments.

3. **Installation Time** Replacing spark plug wires requires removing the engine cover and carefully routing the wires to their terminals. While not overly complex, it does take time and patience, especially for those unfamiliar with marine engine maintenance.

4. **Risk of Incorrect Part Number** If the engine model or year is misidentified, the wrong wire set could be purchased. Always double-check the compatibility (e.g., 150 HP vs. 175 HP, or other variations) to avoid returns or wasted money.

5. **Environmental Stress** Even high-quality marine wires can degrade faster in harsh conditions (e.g., constant exposure to saltwater, extreme temperatures, or UV radiation). Regular inspection and replacement (typically every 2 3 years) are recommended.

6. **Limited Availability of Spare Parts** If the wires fail prematurely due to a defect, finding replacements may require ordering from the manufacturer, which could take time.

---

### **Conclusion**

The **LabWork Part #18-8840/584920 spark plug wire set** is a solid choice for Johnson/Evinrude 150-175 HP V6 outboards, offering direct compatibility, high durability, and improved ignition reliability. It is particularly beneficial if you suspect worn wires are contributing to misfires, rough idling, or reduced power. However, it may not be necessary if the engine is running well otherwise, and generic alternatives could be considered for cost savings (though with potential trade-offs in quality).

For most marine owners, the **pros outweigh the cons**, especially when prioritizing long-term performance and avoiding electrical issues. If you re unsure about the condition of your current wires, a visual inspection or performance test (e.g., checking for misfires with a scan tool) can help determine if replacement is needed.

### **Recommendation**

- **Buy the LabWork wire set** if:

- Your engine exhibits symptoms of poor ignition (misfires, hesitation, rough idle).

- You re performing routine maintenance and want high-quality, long-lasting wires.

- You value brand reliability and warranty coverage.

- **Consider alternatives** if:

- Your engine is running fine, and you re looking to save money on a generic set.

- You ve already identified another issue (e.g., bad spark plugs or coils) that needs addressing first.

- **Always verify compatibility** by cross-referencing your exact engine model and year with LabWork s documentation or a trusted marine parts dealer to avoid mismatches.

Performing this replacement as part of regular seasonal maintenance will help ensure your Johnson/Evinrude engine remains reliable and efficient for years to come.

Details:

Replaces: 18-8840/584920. Pioneer-Liven. Excellent Delivery. Includes: 6 Spark black Plug Wires 58cm-60cm.

New List Item. If you do not wish to wait for a replacement, please repurchase the item. Applications: For Johnson Evinrude 150 and 175 HP V6. 100% OE Replacement Wire Cores Outer Racketing and Insulation Boots Terminals High Temperature Tips Tubes Fit, Form Function Includes Dielectric Grease.

part #: 188840584920 prices

  • $28.96-$29.14

specifications ouboaen:

  • for models: Marine
  • for makes: Johnson, Evinrude
  • brand: Labwork-part
  • part type: Spark Wire Hp Plug
  • country of origin: United States
  • warranty: 90 Day
  • custom bundle: No
  • upc: 188840584920

general ouboaen:

  • condition: New
  • Boat Parts > Outboard Engines Components > Ignition Starting Systems

offer ouboaen:

  • started: May 27, 2026
  • sold: 0
  • best offers: True
  • availability: In Stock
  • options: Ship-to-home

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  • class: Standard, Expedited
  • service: Standard, UPS 2nd Day Air
  • transit: 4-9 Days
  • carrier: UPS
  • type: Fixed
  • cost: $0.00

seller ouboaen:

  • rating: 99.5%
  • city: Monroe Township, New Jersey
  • # reviews: 8694

returns ouboaen:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
for models: marine, for makes: johnson, evinrude, part type: spark wire hp plug, country of origin: united states, warranty: 90 day, custom bundle: no,
category: boat parts > outboard engines components > ignition starting systems, sku: 24209584077459604,
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