NGK 8167 Spark Plug Wire Set
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 NGK Spark Plug Wire Set

NGK 8167 Spark Plug Wire Set

Brand NGK 8167
Core Material Mag (Var. Pitch)
Insulation Color Blue
Insulation Material Silicone
Insulation Outside Diameter 7.00
Noise Suppression Type Yes
Part Number RC-ZE37
Stock Number 8167
Universal Or Specific Fit Specific
Product line NGK Spark Plug Wire Set
Fits Mazda · 4 vehicles

OE-standard quality. 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 ACI 86808, Anchor 8167 and Anchor 9421 for the same application. See all 15.

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NGK Spark Plug Wire Set for Mazda Protege

NGK Spark Plug Wire Set 8167 is a specific-fit ignition wire set for 1995-1998 Mazda Protege models. Built with blue silicone insulation and noise suppression, it is made for stable spark delivery and clean ignition performance in everyday driving.

Key Features

  • Specific-fit spark plug wire set for Mazda Protege applications
  • Blue silicone insulation for heat resistance and durability
  • Mag (variable pitch) core material for ignition signal control
  • Noise suppression type included
  • 7.00 mm insulation outside diameter
  • NGK part number 8167 / RC-ZE37

Product Details

NGK 8167 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition components for domestic and import vehicles. NGK draws on long-term OE experience and manufactures ignition parts to OE-level durability and operational standards. For drivers servicing a Mazda Protege, this wire set supports consistent spark transfer and helps maintain reliable ignition system performance.

This part cross-references DENSO Auto Parts 671-4225 for the same application.

What It Is Used For

  • Replacing worn or heat-damaged ignition wires on a 1995-1998 Mazda Protege
  • Restoring stable spark delivery when misfire symptoms are present
  • Reducing ignition noise in the electrical system
  • Addressing cracked insulation, hard starts, or rough idle concerns
  • Supporting routine ignition service on Mazda Protege models

Installation Notes and Tips

Verify the wire routing and cylinder locations before removal, and transfer one wire at a time to avoid cross-connection. Inspect spark plugs, coil connections, and boots during installation, since worn ignition components can affect wire performance. Confirm the RC-ZE37 / 8167 reference against the vehicle’s ignition layout before final installation.

Quality Assurance

NGK manufactures ignition products with a focus on OE-level performance, durability, and global vehicle coverage. The 8167 wire set reflects that OE-oriented approach for Mazda Protege ignition service.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1998MazdaProtege1.5LL4N/ANGK Spark Plug Wire Set
1997MazdaProtege1.5LL4N/ANGK Spark Plug Wire Set
1996MazdaProtege1.5LL4N/ANGK Spark Plug Wire Set
1995MazdaProtege1.5LL4N/ANGK 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.
ACI — 86808Anchor — 8167Anchor — 9421AP Exhaust — 7551DENSO Auto Parts — 671-4225Dorman - HELP — 5510635-425635-PF77553175-612809421968081840187009711274163CH74163