Description

NGK Spark Plug ILKR7J8 / ZXU22HPR8 – Premium Laser Iridium Spark Plug

Product Description

The NGK ILKR7J8 (Denso equivalent ZXU22HPR8) is a high-performance Laser Iridium spark plug engineered for modern Japanese Eco-IDLE, hybrid, and direct-injection engines. With a fine iridium center electrode and platinum ground pad, this plug delivers exceptional spark stability, fuel economy, and long service life.

Designed for engines that require precise combustion and efficient ignition, this plug is ideal for daily Sri Lankan driving conditions—city traffic, long routes, and mixed road use.

Key Features & Specifications

• Model: ILKR7J8

• Denso Cross: ZXU22HPR8

• Type: Laser Iridium

• Thread Diameter: 12 mm

• Reach: 26.5 mm

• Hex Size: 14 mm

• Heat Range: 7 (NGK) / 22 (Denso)

• Resistor: Yes

• Gap: 0.8 mm

• Electrode Material: Iridium center + platinum ground

• Manufactured in: Japan

• Longevity: 80,000 – 100,000 km (depending on engine & fuel quality)

Benefits of NGK ILKR7J8 / ZXU22HPR8

✔ Superior Ignition Efficiency

Laser-welded iridium tip ensures a strong, consistent spark, improving throttle response and cold-start performance.

✔ Improved Fuel Economy

Optimized combustion helps reduce petrol consumption—ideal for Sri Lanka’s daily commute and highway travel.

✔ Cleaner Emissions

Enhanced ignition reduces unburnt fuel and emissions, supporting modern eco-friendly engines.

✔ Long Lasting

Iridium + platinum combination offers long lifespan compared to standard plugs.

✔ Reliable in Hybrid & Idle-Stop Engines

Performs flawlessly even in engines with frequent start-stop cycles.

Compatible Vehicles (Common Applications)

The ILKR7J8 / ZXU22HPR8 is commonly used in modern Toyota, Suzuki, and Daihatsu compact engines requiring high-efficiency, long-life spark plugs.

Toyota

• Toyota Raize (selected trims)

• Toyota Yaris New Model

• Toyota Passo M700/M710

• Toyota Vitz late-model variants

• Toyota Roomy / Tank

• Toyota Sienta (selected newer engines)

• Toyota Corolla (newer compact engines)

Suzuki

• Suzuki Wagon R (Japan model newer R-series engines)

• Suzuki Celerio (late-model petrol)

• Suzuki Swift (newer 1.2L variants)

• Suzuki Baleno (latest model variants)

Daihatsu

• Daihatsu Boon (M700 series)

• Daihatsu Thor

• Daihatsu Rocky (engine-dependent)

Others

• Newer shared Toyota–Daihatsu–Suzuki compact engine platforms

• Some Eco-Idle and idle-stop microcars

Note: Compatibility may vary depending on engine code.
If you want, I can generate a compatibility list by engine code for better accuracy.

Why Buy NGK ILKR7J8 from AutoPartsStore.lk?

• 100% original Japan-made NGK/NTK spark plugs

• Verified fitment support for your exact vehicle

• Fresh stock with long validity

• Fast, reliable islandwide delivery

• Trusted supplier for NGK, NTK, Denso & OEM ignition parts in Sri Lanka

Conclusion

The NGK ILKR7J8 / ZXU22HPR8 is a premium Laser Iridium spark plug built to deliver superior ignition quality, cleaner combustion, better fuel economy, and long life. Ideal for modern compact and hybrid vehicles used in Sri Lanka, this plug ensures maximum engine performance and reliability.

Purchase genuine NGK spark plugs from AutoPartsStore.lk for trusted quality and the best results.