NGK 54138 Spark Plug Wire Set
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NGK
 NGK Spark Plug Wire Set

NGK 54138 Spark Plug Wire Set

Brand NGK 54138
Insulation Color Black
Insulation Material Silicone
Noise Suppression Type Yes
Core Material Tinned copper
Universal Or Specific Fit Specific
Insulation Outside Diameter 7.00
Part Number Rc-euc064
Stock Number 54138
Product line NGK Spark Plug Wire Set
Fits Porsche · 4 vehicles

Specific-fit design. Built for direct application matching without universal trimming or adaptation.

Silicone insulation. Flexible, heat-resistant construction helps maintain dependable wire routing.

Noise suppression. Helps reduce ignition interference for cleaner electrical operation.

Cross-references Anchor 9151, Anchor 9532 and DENSO Auto Parts 671-4109 for the same application. See all 12.

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Ignition Wire Set for Porsche 968

NGK Spark Plug Wire Set 54138 is a specific-fit ignition wire set for the Porsche 968. It uses silicone insulation, a tinned copper core, and noise suppression to support stable spark delivery and reduced electrical interference.

  • Specific-fit spark plug wire set for direct application matching
  • Silicone insulation for heat resistance and flexible routing
  • Tinned copper core for consistent conductivity
  • Noise suppression type included to help reduce ignition interference
  • Black insulation for a clean OE-style appearance

Product Details

Built under NGK’s ignition-focused product line, part number 54138 reflects the brand’s long history in OE-level ignition components. The wire set is engineered as a specific-fit replacement rather than a universal kit, which helps maintain proper ignition routing and connection integrity on Porsche 968 applications. If you are replacing worn ignition leads on a Porsche 968, NGK 54138 provides the material and construction details buyers look for in a direct replacement wire set. This part cross-references DENSO Auto Parts 671-4109 and Intermotor 55639 for the same application.

Common Replacement Reasons

  • Engine misfire caused by deteriorated ignition wires
  • Hard starting from weak or inconsistent spark transfer
  • Ignition noise or interference in the electrical system
  • Cracked, worn, or heat-aged wire insulation

Installation Notes

Fits 1992-1995 Porsche 968, N/A. Verify wire routing, terminal engagement, and cylinder order before installation. Match the replacement to the original application using part number 54138 and confirm the specific-fit design before service.

Quality Assurance

NGK brings more than 80 years of ignition experience and a broad OE-focused product range. Part number 54138 is manufactured to meet OE standards for durability and operational performance.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1995Porsche9683.0LL4NGK Spark Plug Wire Set
1994Porsche9683.0LL4NGK Spark Plug Wire Set
1993Porsche9683.0LL4NGK Spark Plug Wire Set
1992Porsche9683.0LL4NGK Spark Plug Wire Set
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 9151Anchor — 9532DENSO Auto Parts — 671-4109Four Seasons — 54138Intermotor — 5563935-4047175-6161091511440297009001274139CH74139