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  • Original Genuine DENSO Spark Plug Iridium TT IKBH20TT 4705 Pack of 1 High Quality Hot Sale Professional Best Price for Lexsus GS
  • Original Genuine DENSO Spark Plug Iridium TT IKBH20TT 4705 Pack of 1 High Quality Hot Sale Professional Best Price for Lexsus GS
  • Original Genuine DENSO Spark Plug Iridium TT IKBH20TT 4705 Pack of 1 High Quality Hot Sale Professional Best Price for Lexsus GS
  • Original Genuine DENSO Spark Plug Iridium TT IKBH20TT 4705 Pack of 1 High Quality Hot Sale Professional Best Price for Lexsus GS
Original Genuine DENSO Spark Plug Iridium TT IKBH20TT 4705 Pack of 1 High Quality Hot Sale Professional Best Price for Lexsus GS
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Original Genuine DENSO Spark Plug Iridium TT IKBH20TT 4705 Pack of 1 High Quality Hot Sale Professional Best Price for Lexsus GS

  • 1 - 199 Packs
    $7.50
  • >= 200 Packs
    $7.20
View product details

Original Genuine DENSO Spark Plug Iridium TT IKBH20TT 4705 Pack of 1 High Quality Hot Sale Professional Best Price for Lexsus GS

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Performance Ignition: The Denso Iridium TT spark plug features a twin-tipped (TT) iridium center electrode, delivering a stronger, more consistent spark for optimal engine performance and reduced misfires.
  • Durability & Longevity: Engineered with iridium material, the spark plug resists wear, corrosion, and extreme temperatures, ensuring reliable performance in high-stress environments.

Key features

  • 1. Material Technology

    • With an iridium-tipped center electrode, you can achieve superior resistance to wear and corrosion compared to traditional platinum or rhodium-tipped electrodes*, extending service life by up to 50%*.

  • 2. Performance Parameters

    • With Twin Tip (TT) technology, you can generate a stronger and more consistent spark, reducing misfires by up to 30%* compared to single-tip designs, ensuring smoother engine performance.

  • 3. Scenario Solutions

    • Designed for high-performance Lexus engines and extreme operating conditions, you can maintain reliable ignition even under high temperatures and pressures*, making them ideal for racing or off-road vehicles.

  • 4. Certification Standards

    • OE-certified (OE No. 90919-01249), you can ensure precise fitment and performance compatibility with Lexus vehicles*, meeting OEM specifications for durability and efficiency.

  • 5. Performance Parameters

    • With enhanced spark efficiency, you can improve fuel economy by up to 15%* in high-performance engines, optimizing power output while reducing fuel waste.

Product details

Original Genuine DENSO Spark Plug Iridium TT IKBH20TT 4705 Pack of 1 High Quality Hot Sale Professional Best Price for Lexsus GS

The DENSO Iridium TT Spark Plug IKBH20TT is engineered for Lexus GS vehicles (models C, AWD) requiring high-performance ignition. Featuring iridium-tipped electrodes and Twin Tip (TT) technology, this spark plug delivers superior durability, reduced misfires, and enhanced fuel efficiency. Certified for OE fitment (OE No: 90919-01249), it ensures precise compatibility and longevity in demanding driving conditions.

Technical specifications

FeatureSpecificationBenefit
MaterialGenuine Iridium-Tipped ElectrodeWith iridium, you can achieve 50% longer service life than platinum plugs
TT TechnologyDual-Tip Center Electrode DesignWith TT, you can reduce misfire risk by 40% in high-RPM scenarios
Heat RangeOptimized for Lexus GS (Hot Sale)Ensures stable combustion in extreme temperatures
OE CompatibilityOE No: 90919-01249Guaranteed fitment and performance for Lexus models C/AWD
DurabilityCorrosion-Resistant ConstructionWith iridium’s hardness, you can withstand 30% higher thermal stress

Customization guide

Adjustable parameters:

  • Electrode Gap: Customize for specific engine tuning needs (e.g., racing or off-road)
  • Heat Range: Optimize based on engine modification (e.g., turbocharged systems)
  • Pack Quantity: Bulk orders available for fleet maintenance or performance shops

Get inspired

For Lexus enthusiasts seeking peak performance, the Iridium TT spark plug combines cutting-edge materials and engineering. Whether you’re racing on the track or conquering rugged terrain, its TT design ensures a consistent, powerful spark—keeping your engine responsive and efficient under any load.

Choose your model

ParameterBase Model (Platinum)Advanced Model (Iridium)Pro Model (Iridium TT)
Electrode MaterialPlatinumIridiumIridium + TT
Misfire ResistanceStandard+25%+40%*
Service Life30,000 km50,000 km80,000 km*
Thermal Tolerance1,200°C1,400°C1,600°C*

Supplier's note

  1. Technical Breakthroughs:

    • Iridium Electrodes: Outperform platinum in wear resistance, extending lifespan by 66%.
    • TT Design: Doubles spark surface area, reducing ignition delay by 15% in high-compression engines.
    • OE Precision: Direct-fit OE compatibility eliminates misalignment risks, ensuring optimal engine performance.

  2. Version Selection Guide:

    • Base Model: Ideal for standard Lexus owners prioritizing cost-effective maintenance.
    • Advanced Model: Suitable for modified engines (e.g., supercharged) needing enhanced longevity.
    • Pro Model: The iridium TT’s 1,600°C thermal tolerance and 40% misfire reduction make it indispensable for racing or off-road vehicles. Pair its corrosion resistance with high-octane fuels to maximize power output.

Frequently asked questions

  • Which spark plugs are best suited for Lexus GS C AWD models with OE number 90919-01249?

  • How do I maintain Denso Iridium TT spark plugs for high-performance engines?

  • Why are iridium-tipped spark plugs better than platinum for Lexus engines?

  • Can Denso Iridium TT spark plugs be customized for racing or off-road vehicles?

  • Are Denso Iridium TT spark plugs OE-certified for Lexus GS vehicles?

  • How do Denso Iridium TT spark plugs improve fuel efficiency in Lexus GS models?

  • How long do Denso Iridium TT spark plugs last compared to standard plugs?

  • Do Denso Iridium TT spark plugs require special installation tools for Lexus vehicles?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Electrode MaterialHigh-performance engines- Industry: Platinum (0.8mm)
- Base: Iridium (0.6mm ▲)
- Advanced: Iridium TT (0.6mm ▲▲)		▲ Base: 30% smaller diameter improves efficiency.
▲▲ Advanced: Iridium’s hardness reduces wear by 40% (ASTM E230).		Higher cost than platinum (▲ Base: +20%, ▲▲ Advanced: +35%).
Electrode DesignExtreme-heat engines- Industry: Single-tip
- Base: Single Iridium
- Advanced: Twin Tip (TT ▲▲)		▲▲ Advanced: 40% larger spark surface area (ISO 8820) reduces misfires by 25%.▲▲ Advanced requires specialized tooling for installation.
Temperature ResistanceHigh-output engines- Industry: 900°C (ASTM E230)
- Base: 1000°C ▲
- Advanced: 1100°C ▲▲		▲▲ Advanced withstands prolonged high-temperature use (ISO 16750).▲▲ Advanced may warp in poorly cooled engines.
Service LifeHigh-mileage vehicles- Industry: 50,000 km (SAE J2224)
- Base: 80,000 km ▲
- Advanced: 100,000 km ▲▲		▲▲ Advanced cuts replacement frequency by 50% for Lexus GS (OE 90919-01249).▲▲ Advanced’s longevity requires premium material costs.
Fuel EfficiencyEco-conscious driving- Industry: 2-3% improvement
- Base: 4% ▲ (SAE J1321)
- Advanced: 5% ▲▲		▲▲ Advanced improves combustion efficiency for hybrid Lexus models.▲▲ Advanced gains negligible in low-mileage use cases.
Installation CompatibilityOEM Lexus vehicles- Industry: Generic fit ▲
- Base: OE-compatible ▲▲
- Advanced: Direct-fit ▲▲▲ (OE no: 90919-01249)		▲▲▲ Advanced ensures zero-clearance fit for Lexus GS (ISO 3744).▲▲▲ Advanced limited to specific models (e.g., AWD variants).

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