Product Description
Aftermarket iridium spark plug set (4 plugs) manufactured by SRR, a direct-fit replacement for NGK LFR6AIX-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: 6
• Center Electrode: Single iridium, 0.6mm fine wire
• Ground Electrode: Nickel, taper cut
• Resistor: Yes, 5000 Ohm
• Quantity: Set of 4
Vehicle maker families represented include:
| Acura BMW Honda Lexus |
Lotus Saab Subaru Suzuki |
Toyota Volvo |
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.
| 12565996 4704 5344 5618 |
6619 BY481-LFR6A IKH20 LFR6AIX-11 |
MZ602091 VKH20 |
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.