Product Description
Aftermarket iridium spark plug set (4 plugs) manufactured by SRR, a direct-fit replacement for NGK LFR5AIX-11.
Technical Specifications:
• Thread Diameter: 14mm
• Thread Pitch: 1.25mm
• Reach: 26.5mm (1.04")
• Hex Size: 16mm (5/8")
• Seat Type: Gasket
• Preset Gap: 1.1mm (0.043") — do not adjust
• Heat Range: 5
• Electrode: Single iridium, 0.6mm fine wire
• Ground Electrode: Nickel, taper cut
• Resistor: Yes, 5000 Ohm
• Quantity: Set of 4
Key Features:
• Iridium center electrode for high durability and consistent spark.
• Taper cut ground electrode reduces quenching for improved ignitability.
• Copper core for superior heat dissipation.
• Pre-gapped — install as-is, do not re-gap iridium electrodes.
Vehicle maker families represented include:
| Chrysler Dodge Hyundai Infiniti Jeep |
Kia Mitsubishi Nissan Ram |
Scion Suzuki Toyota |
Cross-reference numbers are provided for compatibility reference only.
Always confirm fitment using your vehicle's OEM part number, engine specification, and service data before ordering.
| 4469 4703 5343 5617 |
BY481-LFR5A I43 IKH16 LFR5AIX-11 |
MZ602090 VKH16 |
Fitment may vary by model year, engine, and configuration.
Always confirm compatibility using VIN, reference part number, OEM service data, or the PCFitment tool on this page before ordering.
Aftermarket Disclaimer
This is an aftermarket replacement part manufactured by SRR.
Any OEM or aftermarket brand names or part numbers are used strictly for compatibility and fitment reference only.
This product is not manufactured, authorized, or endorsed by any vehicle manufacturer or spark plug brand.
