NGK Iridium IX Spark Plug LFR6AIX11 (6619) – Premium Performance Spark Plug at affordable price

Looking for high-performance spark plugs that deliver consistent ignition, smoother acceleration, and long service life?

The NGK Iridium IX LFR6AIX-11 (Stock No. 6619) is engineered for modern petrol engines demanding precision, durability, and reliability.

Designed with laser-welded iridium technology, this spark plug provides superior ignitability, improved throttle response, and reduced misfires—even under high-load conditions. In short: your engine fires cleaner, faster, and more efficiently.

Key Specifications

• Brand: NGK
• Product Line: Iridium IX
• Stock Number: 6619
• Manufacturer Part Number: LFR6AIX-11
• Core Type: Resistor
• Center Electrode Material: Iridium
• Core Material: Copper
• Thread Size: 14 mm
• Reach: 26.5 mm
• Heat Range: 6
• Seat Type: Gasket
• Insulator Type: Projected
• Wrench Size: 11/16 inch
• Ground Electrodes: 1

Why Choose NGK Iridium IX?

• Superior Ignition Efficiency – Fine iridium tip ensures a stronger, more stable spark
• Extended Service Life – Iridium resists wear far better than conventional nickel plugs
• Improved Engine Response – Smoother idle, better fuel combustion, quicker acceleration
• OE-Level Engineering – Designed to meet or exceed OEM specifications
• Globally Trusted Brand – NGK is the OEM supplier for many leading vehicle manufacturers

Translation? Fit it and forget it—your engine will thank you later.

OEM & Cross-Reference Part Numbers

Compatible and interchangeable with the following OEM and aftermarket references:

• NGK: 6619, LFR6AIX-11
• Denso: IKH20, IKH20TT
• Bosch: FR7N1133X
• ACDelco: 12565996
• Mazda: MZ602091
• Others: 4704, 5344, 9615, 9775, VKH20, BY481LFR6A

(Always confirm fitment using VIN or engine code—because guessing is expensive.)

Vehicle Compatibility (Petrol Engines)

Commonly fitted on selected models from:

• Subaru
• BMW
• Toyota
• Volvo
• Mazda
• Nissan
• Mitsubishi

👉 Exact compatibility depends on engine type and year—contact us to confirm the correct fitment for your vehicle.

Pricing & Availability in Kenya

• Condition: 100% Brand New, Genuine NGK
• Availability: In stock – locally available
• Warranty: Manufacturer-backed
• Delivery: Fast nationwide shipping across Kenya
• Regional Shipping: Available across East Africa

Order with Confidence

Don’t let worn-out spark plugs rob your engine of power and efficiency.

Upgrade to NGK Iridium IX LFR6AIX-11 (6619) and enjoy reliable starts, cleaner combustion, and long-term performance.

Order today for fast delivery anywhere in Kenya.

📞 Need help confirming fitment? Talk to us—we’ll get it right the first time.