NGK
NGK Spark Plug Wire Set

NGK 8772 Spark Plug Wire Set

Brand NGK 8772
Core Material Mag (Var. Pitch)
Insulation Color Blue
Insulation Material Silicone
Insulation Outside Diameter 7.00
Noise Suppression Type Yes
Part Number RC-FX54
Stock Number 8772
Universal Or Specific Fit Specific
Product line NGK Spark Plug Wire Set
Fits Subaru · 4 vehicles

OE-standard replacement. Built to meet original-equipment durability and performance expectations.

Silicone insulation. Helps resist heat and wear for dependable ignition performance.

Noise suppression. Helps reduce electrical interference in the ignition system.

Cross-references Anchor 9430, AP Exhaust 8772 and DENSO Auto Parts 671-4244 for the same application. See all 15.

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NGK Spark Plug Wire Set for Subaru Ignition Service

Restore consistent spark delivery with the NGK Spark Plug Wire Set, part number 8772. This specific-fit ignition wire set is built for 1996-1998 Subaru applications and uses silicone insulation with noise suppression to support stable ignition performance.

Key Features

  • Specific-fit NGK Spark Plug Wire Set for confirmed Subaru applications
  • Blue silicone insulation for heat resistance and durability
  • Mag (Var. Pitch) core material for noise suppression
  • 7.00 mm insulation outside diameter
  • OE-focused ignition product from NGK, The Ignition Specialist
  • Part number 8772, also identified as RC-FX54

Product Details

NGK Spark Plug Wire Set 8772 is engineered for direct replacement use on select Subaru Forester, Impreza, and Legacy models. NGK draws on more than 80 years of automotive ignition experience and a broad OE background to produce replacement ignition components that meet demanding durability and operational performance expectations. The blue silicone jacket helps protect the wire set in the engine bay, while the Mag (Var. Pitch) core supports noise suppression for cleaner ignition signal delivery. This part cross-references DENSO Auto Parts 671-4244 for the same application.

Vehicle Fitment

  • Fits 1998 Subaru Forester, N/A
  • Fits 1998 Subaru Impreza, N/A
  • Fits 1997 Subaru Legacy, N/A; to 4/1997
  • Fits 1996 Subaru Legacy, N/A; from 6/1996

Common Issues This Part Can Address

  • Misfires caused by worn or damaged ignition wires
  • Rough idle from inconsistent spark delivery
  • Hard starting related to degraded wire insulation
  • Ignition noise interference affecting system performance
  • Loss of engine responsiveness from weak secondary ignition output

Installation Notes and Tips

Verify engine application and production date before installation, especially for 1996-1997 Subaru Legacy models with date-specific fitment. Route each wire to match the original layout and keep the wires separated from hot exhaust components and sharp edges. Confirm secure terminal engagement at the coil and spark plug ends after installation.

Quality Assurance

NGK manufactures premium ignition products to OE standards using global automotive engineering and production experience. The brand’s ignition line includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets for domestic and import vehicles.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1998SubaruForester2.5LH4N/ANGK Spark Plug Wire Set
1998SubaruImpreza2.5LH4N/ANGK Spark Plug Wire Set
1997SubaruLegacy2.5LH4N/ATo 4/1997; NGK Spark Plug Wire Set
1996SubaruLegacy2.5LH4N/AFrom 6/1996; NGK Spark Plug Wire Set
Directly replaces or cross-references 15 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 9430AP Exhaust — 8772DENSO Auto Parts — 671-4244Federal Parts — 4797Intermotor — 55505TYC — 97024TYC — 70001435-427735-PF77588175-61187557094301840401274167CH74167