HomeIgnition > Ignition Wire and Related ComponentsNGK 8004 Spark Plug Wire Set
Part #: 8004

NGK 8004 Spark Plug Wire Set

NGK Spark Plug Wire Set
⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦NGK Spark Plug Wire Set
🚗Fitment: Subaru, Impreza and Legacy
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Ignition Performance for Subaru Impreza and Legacy

The NGK Spark Plug Wire Set 8004 is designed specifically for Subaru Impreza and Legacy models, ensuring precise fitment and optimal ignition performance. Featuring high-quality materials and noise suppression technology, this spark plug wire set supports efficient engine operation and reliable starts.

Key Features of NGK Spark Plug Wire Set 8004

  • Insulation color: Blue for easy identification
  • Durable silicone insulation material for heat resistance
  • Noise suppression technology to reduce electromagnetic interference
  • Magnesium core with variable pitch for consistent spark delivery
  • Specific fitment for Subaru Impreza and Legacy models
  • Insulation outside diameter of 7.00 mm for durability and flexibility
  • Part number Rc-fx41, stock number 8004

About the NGK Spark Plug Wire Set Product Line

The NGK Spark Plug Wire Set line is engineered to provide reliable ignition wire solutions tailored to specific vehicle applications. This product line emphasizes quality materials such as silicone insulation and advanced core designs like magnesium variable pitch cores to ensure consistent spark transmission and noise suppression. The NGK Spark Plug Wire Set 8004 is part of this line, offering a precise fit and performance for Subaru Impreza and Legacy vehicles.

Detailed Product Description

This NGK Spark Plug Wire Set 8004 features a silicone insulation material that withstands high temperatures and environmental stress, maintaining wire integrity over time. The blue insulation color aids in quick identification during maintenance. The magnesium core with variable pitch design ensures stable and efficient spark delivery, which is critical for engine performance. Noise suppression technology is integrated to minimize electromagnetic interference that can affect vehicle electronics. Designed specifically for Subaru Impreza and Legacy models, this wire set guarantees proper fit and function.

Common Applications and Issues Addressed

  • Replacement of worn or damaged spark plug wires in Subaru Impreza and Legacy
  • Reduction of ignition noise affecting radio and electronic systems
  • Improvement of engine misfire issues caused by faulty ignition wires
  • Restoration of consistent spark delivery for smoother engine operation
  • Prevention of wire insulation cracking or degradation due to heat exposure

Installation Notes and Tips

When installing the NGK Spark Plug Wire Set 8004, ensure the engine is cool to avoid burns. Match each wire to its corresponding spark plug and ignition coil terminal to maintain correct firing order. Avoid bending wires sharply or stretching them excessively to preserve insulation integrity. Use dielectric grease on terminals if recommended by the vehicle manufacturer to improve connection and prevent corrosion.

Quality Assurance and Warranty

NGK maintains strict quality control standards for the Spark Plug Wire Set 8004, ensuring durability and performance. This product is manufactured to meet OEM specifications for Subaru Impreza and Legacy models. Warranty information is available through NGK and may vary by region; consult NGK or authorized distributors for specific warranty details.

BrandNGK
Part Number8004
PositionNGK Spark Plug Wire Set
Core MaterialMag (Var. Pitch)
Insulation ColorBlue
Insulation MaterialSilicone
Insulation Outside Diameter7.00
Noise Suppression TypeYes
Part NumberRC-FX41
Stock Number8004
Universal Or Specific FitSpecific

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1996SubaruImpreza2.2LH4N/ANGK Spark Plug Wire Set
1996SubaruLegacy2.2LH4N/ANGK Spark Plug Wire Set
1995SubaruImpreza2.2LH4N/ANGK Spark Plug Wire Set
1995SubaruLegacy2.2LH4N/ANGK Spark Plug Wire Set

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

09073093711274145175-608618402835-426635-PF770775550270048675208004865459073937196545CH74145

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.