Part #: 3106

NGK 3106 Spark Plug

Laser Iridium Spark Plug
3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$22.95Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Laser Iridium Spark Plug
Fitment: Mitsubishi, Lancer
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

NGK Laser Iridium Spark Plug Overview

The NGK Laser Iridium Spark Plug 3106 is engineered for reliable ignition performance in Mitsubishi Lancer vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

  • Iridium center electrode tip for enhanced durability
  • Copper core in both center and ground electrodes for optimal conductivity
  • Standard ground electrode tip and configuration
  • Non-removable nut electrical terminal type
  • Pre-gap size of 0.028 inches for precise spark delivery
  • Flat seat type with 14mm thread diameter and 0.75 inch reach
  • Hex size of 13/16 inches for installation compatibility
  • Manufacturer heat range rating of 7
  • Insulator height of 55.00 mm

Detailed Product Description

The NGK Laser Iridium Spark Plug 3106 features a fine iridium tip on the center electrode, which provides a stable and efficient spark while maintaining long service life. Both the center and ground electrodes incorporate copper cores, enhancing electrical conductivity and heat dissipation. The spark plug’s standard ground electrode design and single ground electrode quantity ensure consistent ignition performance. With a pre-gap size of 0.028 inches, this spark plug is optimized for the ignition system requirements of Mitsubishi Lancer models. The flat seat and 14mm thread diameter provide a secure fit, while the 0.75 inch reach and 13/16 inch hex size facilitate proper installation and maintenance.

The NGK Laser Iridium Spark Plug line is known for combining iridium’s high melting point with precise electrode design to improve ignition efficiency and durability. This product line is engineered to meet the demands of modern engines, offering a balance of performance and longevity suitable for secondary ignition systems.

Compatible Vehicles and Applications

  • Compatible with Mitsubishi Lancer models requiring part number 3106
  • Designed for secondary ignition system replacement
  • Ideal for addressing ignition misfires and poor fuel economy
  • Suitable for resolving rough idling and hard starting issues
  • Helps maintain consistent engine performance and emissions control

Installation Notes and Tips

  • Ensure the spark plug gap is set to 0.028 inches before installation
  • Use a torque wrench to tighten to manufacturer specifications to avoid damage
  • Inspect the spark plug threads and seat for cleanliness prior to installation
  • Replace spark plugs in sets to maintain balanced engine performance
  • Verify compatibility with your Mitsubishi Lancer’s engine model and year

Quality Assurance and Warranty

NGK spark plugs are manufactured to strict quality standards to ensure reliable ignition performance. The Laser Iridium Spark Plug 3106 undergoes rigorous testing for durability and electrical resistance, rated at 5000 ohms. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support proper function and longevity in compatible Mitsubishi Lancer vehicles.

BrandNGK
Part Number3106
PositionLaser Iridium Spark Plug
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialIridium
Electrical Terminal TypeNon-Removable Nut
Ground ConfigurationStandard
Ground Electrode Core MaterialCopper
Ground Electrode Quantity1
Ground Electrode Tip DesignStandard
Hex Size13/16
Insulator Height55.00
Manufacturer Heat Range7
Part NumberIGR7A-G
Pre-Gap Size.028
Reach.75
Resistance5000
Seat TypeFlat
Stock Number3106
Thread Diameter14.00

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005MitsubishiLancer2.0LL4N/AGap 0.028"; Actual OE Manufacturer; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2004MitsubishiLancer2.0LL4N/AGap 0.028"; Actual OE Manufacturer; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2003MitsubishiLancer2.0LL4N/AGap 0.028"; Actual OE Manufacturer; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug

* 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:

31063354MD374841S22PR-A7

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