Compatible Replacement Part Numbers
This ignition wire set replaces:
- 671-6165
- FP85-18-140A
- FP86-18-140A
Matching these part numbers is the easiest way to verify compatibility.
Package Contents
The kit includes:
- 6 ignition spark plug wires
Each wire is designed for direct replacement using factory routing locations.
Key Features
7mm Spiral-Wound Ignition Wires
The JDMSPEED wire set features 7mm spiral-wound conductors, designed to provide reliable spark delivery while minimizing electrical resistance.
Benefits include:
- Consistent ignition performance
- Stable spark energy
- Improved combustion efficiency
- Reliable engine operation
Spiral-wound conductors are commonly used because they balance spark performance with effective electrical noise suppression.
High-Temperature Silicone Boots
Each ignition wire is equipped with premium silicone boots engineered to withstand demanding engine bay temperatures.
The silicone construction helps resist:
- Heat
- Oil contamination
- Moisture
- Cracking
- Age-related deterioration
This helps extend the service life of the ignition system.
Durable Wire Construction
The ignition wires use reinforced insulation designed for long-term durability under everyday driving conditions.
Advantages include:
- Improved abrasion resistance
- Better flexibility
- Reliable electrical insulation
- Long service life
Durable construction helps prevent voltage leakage that can lead to ignition problems.
Improved Ignition Efficiency
Replacing worn ignition wires can restore proper spark delivery throughout the engine.
Potential benefits include:
- Smoother idle
- Better throttle response
- Improved fuel economy
- Easier cold starts
- Reduced engine hesitation
While ignition wires don’t add horsepower on their own, they help ensure your engine performs as designed.
Common Symptoms of Failing Spark Plug Wires
As ignition wires age, they may develop internal resistance or damaged insulation.
Typical symptoms include:
- Rough idle
- Engine misfires
- Poor acceleration
- Hard starting
- Reduced fuel economy
- Check Engine Light
Replacing worn wires often restores smooth engine performance.
Installation
This ignition wire set is designed as a direct replacement.
Installation tips:
- Replace one wire at a time.
- Match each replacement wire with the original.
- Fully seat both spark plug and ignition coil boots.
- Route wires through factory clips.
- Replace spark plugs during the same maintenance interval when appropriate.
Proper routing helps maximize wire life and prevent unnecessary heat exposure.
Why Replace Spark Plugs at the Same Time?
Spark plug wires and spark plugs wear together over time.
Replacing both components simultaneously helps:
- Restore ignition efficiency
- Improve combustion
- Reduce misfires
- Improve fuel economy
- Extend ignition system reliability
A complete tune-up often delivers the best long-term results.
Final Verdict
The JDMSPEED 7mm Spark Plug Wire Set (671-6165) offers an affordable OEM-style replacement for compatible Audi A4, A6, A4 Quattro, A6 Quattro, and Volkswagen Passat 2.8L V6 models. With spiral-wound conductors, premium silicone boots, durable insulation, and plug-and-play installation, this six-wire kit provides dependable ignition performance while helping eliminate common problems caused by worn factory wires.
For owners maintaining older Audi or Volkswagen V6 models, this wire set is a cost-effective way to restore smooth engine operation and reliable spark delivery.
Frequently Asked Questions
What are the symptoms of bad spark plug wires?
Common symptoms include rough idle, engine misfires, hesitation, poor fuel economy, hard starting, and reduced engine performance.
What are spiral-wound ignition wires?
Spiral-wound ignition wires use a wound conductor that provides low resistance while helping reduce electromagnetic interference for consistent ignition performance.
Should spark plugs be replaced with ignition wires?
Yes. Replacing both at the same time restores the complete ignition system and often produces the best overall improvement.
Is this a direct replacement?
Yes. The JDMSPEED 671-6165 ignition wire set is designed as a direct replacement for compatible Audi and Volkswagen 2.8L V6 applications.
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