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⚡ Ignite your drive with precision and power — don’t get left behind!
The ITV20TT Iridium TT Spark Plug by Denso features a cutting-edge 0.4mm iridium center electrode paired with a 0.7mm platinum ground electrode, both secured by 360° laser welding for superior durability. Its built-in resistor eliminates electromagnetic interference, ensuring reliable ignition and improved fuel efficiency. Designed and manufactured in Japan, this spark plug is ideal for motorcycles and vehicles seeking enhanced performance, longevity, and fuel economy.










| ASIN | B01DGSR0WI |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | 194,763 in Automotive ( See Top 100 in Automotive ) 938 in Car Spark Plugs |
| Brand | Denso |
| Brand Name | Denso |
| Compatible with Vehicle Type | Motorcycle |
| Core Material | Iridium |
| Core material | Iridium |
| Customer Reviews | 5.0 out of 5 stars 1 Review |
| Global Trade Identification Number | 00042511471948 |
| Included Components | Spark Plugs (4) |
| Item Type Name | Spark Plugs |
| Item Weight | 0.05 Kilograms |
| Manufacturer | Denso |
| Manufacturer Part Number | 4719 |
| Model Number | ITV20TT (4PK) |
| OEM Equivalent Part Number | CHEVROLET 12622561, FORD 1685720, FORD 1686133, FORD AG9G12405BC |
| Thread Size | M25 |
| Thread size | M25 |
| Top Material Type | Iridium |
| Top material type | Iridium |
| UPC | 042511471948 |
| Unit Count | 1.0 count |
| Vehicle service type | Motorcycle |
L**R
3+ miles better than original spark plugs.
Love it. First time ever I see the gauge in the vehicle shows 3+ miles/gallon higher ratio than before. Performance wise, little improvements over original spark plugs. The car has 80k miles.
Trustpilot
1 month ago
2 weeks ago