HARLEY-DAVIDSON 31983-71C Spark Plug Cable

( Brand: Harley-davidson ), ( Manufacturer Part Number: 31983-71C ), ( Machine Type: Street Motorcycle ), ( Material: Silicone ), ( Vintage Part: No ), ( Type: Spark Plug Cable Assembly ), ( Unit Type: Unit ), ( Voltage: 12 V ), ( Country Of Origin: Mexico )

Review HARLEY DAVIDSON Spark Plug Cable Assembly Model's fits SOFTAIL 1991–1999

The **Harley-Davidson 31983-71C Spark Plug Cable** is a meticulously engineered, high-performance replacement part designed specifically for Harley-Davidson Softail models built between 1991 and 1999, ensuring optimal ignition reliability and engine efficiency. Crafted from durable, heat-resistant materials, this cable features a robust **copper-wound core** encased in a reinforced, abrasion-resistant outer sheath, which guarantees long-lasting durability even under the demanding conditions of high-mileage or aggressive riding styles. The **OEM-quality construction** ensures a precise fit, eliminating the risk of misalignment or improper seating that can lead to ignition issues, misfires, or premature wear on the spark plug itself. Engineered with Harley-Davidson s exact specifications, this cable maintains the proper **spark gap consistency** and **electrical conductivity** required to deliver a strong, reliable ignition spark, which is critical for smooth throttle response, optimal fuel combustion, and overall engine performance. Whether you re restoring a classic Softail to its original glory or maintaining a well-loved ride, this **direct-fit replacement** eliminates the need for modifications, offering a seamless upgrade that restores factory-level reliability. Built to withstand the rigors of daily riding, extreme temperatures, and the occasional off-road excursion, the **31983-71C** is a testament to Harley-Davidson s commitment to quality and performance, ensuring your engine runs with the same power and precision as the day it left the factory.

Buying the **Harley-Davidson 31983-71C spark plug cable** (intended for 1991 1999 Softail models) has both advantages and disadvantages, depending on your needs, budget, and priorities. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Harley-Davidson 31983-71C Spark Plug Cable**

1. **OEM Quality and Reliability**

The Harley-Davidson brand is known for durability and performance in its original equipment parts. This cable is designed specifically for the 91 99 Softail lineup, ensuring a proper fit and compatibility with the motorcycle s electrical system. OEM parts are often built to stricter standards than aftermarket alternatives, reducing the risk of premature failure.

2. **Guaranteed Fit and Functionality**

Since this is a direct replacement part, it is engineered to match the original specifications of your bike. This eliminates concerns about sizing, connector type, or electrical resistance that might arise with non-OEM cables. The cable is designed to work seamlessly with the ignition system, spark plugs, and other components in your engine bay.

3. **Warranty and Support**

Purchasing from Harley-Davidson or an authorized dealer typically includes a warranty (often 12 24 months), which covers defects in materials or workmanship. This provides peace of mind in case the cable fails prematurely. Additionally, Harley dealerships can offer technical support or replacements if issues arise.

4. **Consistency with Original Build Standards**

If you prioritize maintaining the original character and performance of your Softail, using an OEM cable ensures that the electrical system operates as it was intended. This can be particularly important for enthusiasts who value authenticity or plan to sell the bike in the future.

5. **Ease of Installation**

As an original part, the installation process is straightforward no modifications are needed to adapt the cable to your bike. The connectors are designed to plug into the ignition system without additional tools or adjustments, making it a hassle-free upgrade or replacement.

6. **Long-Term Durability**

Harley-Davidson parts are often built to last, especially in high-quality cables like this one. While wear and tear can still occur over time, the materials used in OEM cables are typically more robust than those in budget aftermarket options, reducing the likelihood of frequent replacements.

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### **Cons of buying a Harley-Davidson 31983-71C Spark Plug Cable**

1. **Higher Cost Compared to Aftermarket Alternatives**

OEM parts from Harley-Davidson are generally more expensive than aftermarket equivalents. While the price reflects quality, it may be a significant investment if you re on a tight budget or only need a single part. Aftermarket cables from brands like MSD, NGK, or other reputable manufacturers often cost 30 50% less for similar or even superior performance in some cases.

2. **Limited Customization Options**

If you re looking to modify the electrical characteristics of your bike (e.g., for performance tuning), an OEM cable may not offer the flexibility of aftermarket options. Some aftermarket cables are designed with improved resistance, better shielding, or other features that can enhance ignition performance or reduce radio interference.

3. **Potential for Overkill**

If your bike is older or has been heavily modified, the OEM cable might not provide any noticeable benefits over a well-maintained aftermarket cable. For example, if your ignition system is already reliable, upgrading to an OEM cable may not justify the cost unless you re replacing a worn-out or failing part.

4. **Availability and Lead Times**

While Harley-Davidson parts are widely available at dealerships, stock levels can vary, especially for older model-specific parts. In some cases, you may need to order the cable, which could result in shipping delays. Aftermarket parts are often available immediately from online retailers.

5. **Environmental and Ethical Considerations**

Purchasing new OEM parts contributes to production and waste, even if the part is necessary. If you re environmentally conscious, you might consider a used or refurbished OEM cable or an aftermarket alternative with a lower carbon footprint.

6. **Potential for Misuse or Overuse**

If you re not experienced with motorcycle electrical systems, there s a risk of improper installation or misuse (e.g., mixing cables from different sources or damaging connectors). While the OEM cable is designed to be user-friendly, mistakes can still occur, leading to unnecessary complications.

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### **Conclusion**

The **Harley-Davidson 31983-71C spark plug cable** is a high-quality, reliable choice for owners of 1991 1999 Softail models who prioritize OEM compatibility, warranty coverage, and long-term durability. It is ideal if you:

- Need a direct replacement for a failing or damaged cable.

- Want to maintain the original specifications of your bike.

- Prefer the convenience of a dealer-backed part with technical support.

- Are willing to pay a premium for peace of mind and assurance of fit.

However, if you re looking to save money, explore performance-enhancing options, or simply need a replacement without the OEM label, aftermarket alternatives may be a more practical choice. Aftermarket cables can offer similar reliability at a lower cost, and some even provide additional benefits like improved resistance or shielding.

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### **Recommendation**

- You re replacing a known faulty cable and want to ensure compatibility and warranty coverage.

- You value the authenticity of OEM parts and don t mind paying for them.

- You re comfortable purchasing from an authorized dealer and don t need to save money.

- You re on a budget and can find a reputable brand (e.g., MSD, NGK, or other Harley-compatible cables) that meets your needs.

- You re open to performance upgrades or have specific electrical requirements not met by the OEM cable.

- You prefer the convenience of online purchasing with faster delivery options.

- Always inspect the cable for signs of wear (cracks, fraying, or corrosion) before purchasing a replacement, even if it s new.

- If you re unsure about installation, consult a mechanic or Harley dealership to ensure proper fitment.

- Pair the cable replacement with a general inspection of your ignition system (spark plugs, wires, and connectors) to prevent future issues.

Details:

Harley-Davidson 31983-71C Spark Plug Cable Assembly for 91-99 Softail model's. BRAND NEW Genuine Harley-Davidson, Never Installed Item. Part Number: 31983-71C. Message me anytime.

I answer fast. Securely packaged.

part #: 3198371c prices

• $14.95-$20.99

specifications cyclesparkplugs:

• for models: Softail
• for makes: Harley
• for years: 1991-1999
• brand: Harley-davidson
• mpn: 31983-71c
• machine type: Street Motorcycle
• material: Silicone
• vintage part: No
• type: Spark Plug Cable Assembly
• unit type: Unit
• voltage: 12 V
• country of origin: Mexico

offer cyclesparkplugs:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• started: March 26, 2026

returns cyclesparkplugs:

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

shipping cyclesparkplugs:

• cost: $5.99
• transit: 4-8 Days
• service: Standard
• type: Fixed
• class: Standard

payments cyclesparkplugs:

• other
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general cyclesparkplugs:

• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Spark Plugs
• condition: New

seller cyclesparkplugs:

• rating: 99.8%
• city: Little Rock, Arkansas
• # reviews: 1533

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