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Part #: 93593

NGK 93593 Spark Plug

Laser Iridium High Ignitability Spark Plug
⚙️ 12 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Laser Iridium High Ignitability Spark Plug
🚗Fitment: Ford, EcoSport, Fiesta, and Focus
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Ignition Performance for Ford EcoSport, Fiesta, and Focus

The NGK Laser Iridium High Ignitability Spark Plug 93593 is engineered to deliver consistent ignition and improved combustion efficiency for select Ford models. Designed with advanced materials and precise specifications, this spark plug supports optimal engine performance in the EcoSport, Fiesta, and Focus.

  • Iridium center electrode tip for enhanced durability and ignition
  • Square platinum ground electrode tip designed for high ignitability
  • Copper core materials in both center and ground electrodes for efficient conductivity
  • Standard ground configuration with a single ground electrode
  • Non-removable nut electrical terminal type for secure connection
  • Pre-gap size of 0.028 inches for precise spark delivery
  • Tapered seat type and 12 mm thread diameter for proper fitment
  • Heat range rating of 8 to match engine requirements
  • Reach length of 25.00 mm and insulator height of 52.50 mm
  • Hex size of 14 mm for installation with common tools

About the NGK Laser Iridium High Ignitability Spark Plug Line

The Laser Iridium High Ignitability Spark Plug line from NGK focuses on delivering improved ignition performance through the use of iridium and platinum electrode materials. This combination enhances spark efficiency and durability, which is critical for maintaining engine responsiveness and fuel efficiency. The 93593 part number is a specific application within this line, tailored to meet the ignition needs of Ford EcoSport, Fiesta, and Focus models.

Technical Details and Application

This spark plug features a copper core in both the center and ground electrodes, which promotes excellent electrical conductivity and heat dissipation. The iridium center electrode tip provides a fine, durable point for consistent spark generation, while the square platinum ground electrode tip supports high ignitability. The standard ground configuration with a single electrode ensures reliable spark gap maintenance. The non-removable nut terminal type offers a secure electrical connection, reducing the risk of loosening over time.

Common Issues Addressed by NGK 93593 Spark Plug

  • Engine misfires and rough idling in Ford EcoSport, Fiesta, and Focus
  • Reduced fuel efficiency due to incomplete combustion
  • Difficulty starting the engine in cold conditions
  • Loss of engine power or hesitation during acceleration
  • Increased emissions from inefficient ignition

Installation Notes and Tips

Ensure the spark plug gap is set to the specified pre-gap size of 0.028 inches before installation. Use a 14 mm socket wrench to tighten the spark plug to the manufacturer’s recommended torque specification. The tapered seat type requires proper seating to avoid compression leaks. Confirm compatibility with your specific Ford EcoSport, Fiesta, or Focus model year before installation.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and longevity. The Laser Iridium High Ignitability Spark Plug 93593 is designed to maintain consistent ignition characteristics over its service life. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.

BrandNGK
Part Number93593
PositionLaser Iridium High Ignitability Spark Plug
Resistance5000
Ground Electrode Tip DesignSquare platinum electrode - high ignitability
Ground ConfigurationStandard
Ground Electrode Core MaterialCopper
Electrical Terminal TypeNon-removable nut
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialIridium
Pre-Gap Size.028
Ground Electrode Quantity1
Hex Size14
Insulator Height52.50
Manufacturer Heat Range8
Seat TypeTapered
Reach25.00
Thread Diameter12.00
Part NumberSilznar8c7h
Stock Number93593

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2021FordEcoSport1.0LL3N/A60,000 mi (Severe) / 100,000 mi (Normal) Factory Recommended Service Interval; Laser Iridium High Ignitability Spark Plug
2020FordEcoSport1.0LL3N/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug
2019FordEcoSport1.0LL3N/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug
2018FordEcoSport1.0LL3N/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug
2018FordFocus1.0LL3N/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug
2017FordFiesta1.0LL3N/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug
2017FordFocus1.0LL3N/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug
2016FordFiesta1.0LL3N/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug
2016FordFocus1.0LL3N/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug
2015FordFiesta1.0LL3N/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug
2015FordFocus1.0LL3N/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug
2014FordFiesta1.0LL3N/AOE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability 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:

93593CM5G 12405 CECM5G-12405-CECM5Z-12405-A

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