NGK
Laser Iridium High Ignitability Spark Plug

NGK 95705 Spark Plug

Brand NGK 95705
Center Electrode Core Material Copper
Center Electrode Tip Material Iridium
Electrical Terminal Type Non-Removable Nut
Ground Configuration Standard
Ground Electrode Core Material Nickel
Ground Electrode Quantity 1
Ground Electrode Tip Design Square Platinum Electrode - High Ignitability
Hex Size 5/8
Insulator Height 50.00
Manufacturer Heat Range 8
Part Number SILKR8B8DS
Pre-Gap Size .032
Reach 26.5
Resistance 5000
Seat Type Flat
Stock Number 95705
Thread Diameter 12.00
Product line Laser Iridium High Ignitability Spark Plug
Fits Honda · 4 vehicles

Laser Iridium design. Iridium center electrode for precise, reliable ignition.

High ignitability tip. Square platinum ground electrode promotes efficient spark delivery.

OE supplier heritage. Built by NGK, a long-time original equipment manufacturer.

Cross-references NGK 95705, 12290-R1Z-A01 and 12290-R1ZA-A010-M1 for the same application. See all 3.

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Free returns within 60 days if it doesn't fit when fitment is verified.

NGK Laser Iridium Spark Plug for Honda Civic

NGK 95705 is a Laser Iridium High Ignitability spark plug built for precise ignition performance and OE-style fitment. It is listed for 2012-2015 Honda Civic applications and matches the factory high-ignitability requirement for those vehicles.

Key Features

  • Laser Iridium High Ignitability design for consistent spark delivery
  • Iridium center electrode tip material for durable ignition performance
  • Square platinum ground electrode tip design for high ignitability
  • 0.032 in. pre-gap size for the listed Honda Civic application
  • 5000 ohm resistance
  • Flat seat, 12.00 mm thread diameter, 26.5 reach, 5/8 hex
  • Non-removable nut terminal type

Product Details

NGK 95705, also identified by part number SILKR8B8DS, is part of NGK’s Laser Iridium High Ignitability line. This product line focuses on OE-level ignition characteristics with an iridium center electrode and a high-ignitability ground electrode design. NGK’s long history as an OE supplier and ignition specialist supports its use in factory-specified applications such as the 2012-2015 Honda Civic.

This spark plug is specified for Honda Civic models that call for the OE high-ignitability plug with a 0.032 inch gap. It is a direct-reference ignition component for drivers servicing a 2012 Honda Civic, 2013 Honda Civic, 2014 Honda Civic, or 2015 Honda Civic with the listed factory specification. Part number 95705 is the key reference for ordering and verification.

This part cross-references Honda 12290-R1Z-A01 and 12290-R1ZA-A010-M1 for the same application.

Common Issues This Part Can Address

  • Rough idle caused by worn spark plug electrodes
  • Hard starting from weakened ignition output
  • Misfire conditions related to incorrect plug gap or wear
  • Reduced throttle response from inconsistent spark delivery
  • Service replacement for factory-specified high-ignitability plugs

Installation Notes and Tips

Verify the engine application against the vehicle’s OE spark plug specification before installation. Confirm the gap is set to the listed 0.032 inch requirement for the Honda Civic application, and inspect the plug wells and ignition components during service. Use the correct torque procedure for the cylinder head material and thread size to avoid damage.

Quality Assurance

NGK is a major OE spark plug supplier in North America with extensive manufacturing and distribution capability. The 95705 spark plug is built to support original-equipment standards for durability and operational performance in the listed Honda Civic applications.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2015HondaCivic1.8LL4CNGN/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.032"; Actual OE Manufacturer; Laser Iridium High Ignitability Spark Plug
2014HondaCivic1.8LL4CNGN/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.032"; Actual OE Manufacturer; Laser Iridium High Ignitability Spark Plug
2013HondaCivic1.8LL4CNGN/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.032"; Actual OE Manufacturer; Laser Iridium High Ignitability Spark Plug
2012HondaCivic1.8LL4CNGN/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.032"; Actual OE Manufacturer; Laser Iridium High Ignitability Spark Plug
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
NGK — 9570512290-R1Z-A0112290-R1ZA-A010-M1