HomeIgnition > Ignition Wire and Related ComponentsNGK 55004 Spark Plug Wire Set
Part #: 55004

NGK 55004 Spark Plug Wire Set

NGK Spark Plug Wire Set
⚙️ 25 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦NGK Spark Plug Wire Set
🚗Fitment: Subaru and Saab, Impreza, Forester, Legacy, Outback, and 9-2X
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Ignition Performance for Saab and Subaru Vehicles

The NGK Spark Plug Wire Set 55004 is designed to deliver consistent ignition performance for specific Saab and Subaru models. Engineered with high-quality materials, this spark plug wire set ensures efficient power transfer and noise suppression for smooth engine operation.

  • Insulation Color: Blue for easy identification
  • Durable Silicone Insulation Material
  • Noise Suppression: Yes, reduces electromagnetic interference
  • Core Material: Ferro mag for reliable conductivity
  • Specific Fitment for Saab 9-2X and Subaru Forester, Impreza, Legacy, Outback
  • Insulation Outside Diameter: 7.00 mm
  • Part Number: Rc-fx101 (Stock Number 55004)

About the NGK Spark Plug Wire Set Line

The NGK Spark Plug Wire Set line focuses on delivering ignition wire sets tailored to specific vehicle applications. This ensures optimal compatibility and performance by using materials like silicone insulation and ferro mag cores that meet the demands of modern ignition systems. The 55004 set is part of this line, providing a precise fit and reliable noise suppression for select Saab and Subaru models.

Product Details and Benefits

This spark plug wire set features a silicone insulation that withstands high temperatures and environmental stress, maintaining durability over time. The ferro mag core material offers consistent electrical conductivity, which is critical for efficient spark delivery. Noise suppression capabilities help minimize radio frequency interference, protecting sensitive electronic components in your Saab 9-2X or Subaru Forester, Impreza, Legacy, and Outback. The blue insulation color aids in quick identification during installation or maintenance.

Common Issues Addressed by This Spark Plug Wire Set

  • Engine misfires caused by worn or damaged ignition wires
  • Interference with electronic systems due to inadequate noise suppression
  • Reduced engine performance from poor spark delivery
  • Difficulty in identifying wires during repairs or replacements
  • Premature wire degradation from heat and environmental exposure

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Match each wire to its corresponding spark plug and ignition coil terminal to maintain proper firing order. The specific fitment of this NGK Spark Plug Wire Set 55004 for Saab 9-2X and Subaru models simplifies installation by providing exact lengths and connectors. Inspect connectors for corrosion or damage and replace if necessary to ensure optimal contact.

Quality Assurance and Warranty

NGK maintains strict quality control standards for its ignition components. The 55004 spark plug wire set is manufactured to meet OEM specifications for fit and function. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed warranties covering defects in materials and workmanship.

BrandNGK
Part Number55004
PositionNGK Spark Plug Wire Set
Core MaterialFerro Mag
Insulation ColorBlue
Insulation MaterialSilicone
Insulation Outside Diameter7.00
Noise Suppression TypeYes
Part NumberRC-FX101
Stock Number55004
Universal Or Specific FitSpecific

This part fits 25 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011SubaruImpreza2.5LH4N/ANGK Spark Plug Wire Set
2010SubaruForester2.5LH4N/ANGK Spark Plug Wire Set
2010SubaruImpreza2.5LH4N/ANGK Spark Plug Wire Set
2009SubaruForester2.5LH4N/ANGK Spark Plug Wire Set
2009SubaruImpreza2.5LH4N/ANGK Spark Plug Wire Set
2009SubaruLegacy2.5LH4N/ANGK Spark Plug Wire Set
2009SubaruOutback2.5LH4N/ANGK Spark Plug Wire Set
2008SubaruForester2.5LH4N/ANGK Spark Plug Wire Set
2008SubaruImpreza2.5LH4N/ANGK Spark Plug Wire Set
2008SubaruLegacy2.5LH4N/ANGK Spark Plug Wire Set
2008SubaruOutback2.5LH4N/ANGK Spark Plug Wire Set
2007SubaruForester2.5LH4N/ANGK Spark Plug Wire Set
2007SubaruImpreza2.5LH4N/ANGK Spark Plug Wire Set
2007SubaruLegacy2.5LH4N/ANGK Spark Plug Wire Set
2007SubaruOutback2.5LH4N/ANGK Spark Plug Wire Set
2006Saab9-2X2.5LH4N/ANGK Spark Plug Wire Set
2006SubaruForester2.5LH4N/ANGK Spark Plug Wire Set
2006SubaruImpreza2.5LH4N/ANGK Spark Plug Wire Set
2006SubaruLegacy2.5LH4N/ANGK Spark Plug Wire Set
2006SubaruOutback2.5LH4N/ANGK Spark Plug Wire Set
2005Saab9-2X2.5LH4N/ANGK Spark Plug Wire Set
2005SubaruForester2.5LH4N/ANGK Spark Plug Wire Set
2005SubaruImpreza2.5LH4N/ANGK Spark Plug Wire Set
2005SubaruLegacy2.5LH4N/ARight Angle 90 Degree Coil Boots; with Federal Emission System; NGK Spark Plug Wire Set
2005SubaruOutback2.5LH4N/ARight Angle 90 Degree Coil Boots; with Federal Emission System; NGK 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:

09865175-621918408135-443747335500455504671-430570006375909865

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