The DENSO Genuine Spark Plug K16R-U11 (90919-01164) is the factory-approved ignition component designed specifically for Toyota vehicles equipped with the 1ZZ-FE petrol engine. Engineered to exact OEM tolerances, this spark plug ensures reliable ignition, smooth engine operation, optimal fuel combustion, and long service life.
Designed for Toyota models produced between December 2001 and December 2004, this spark plug delivers consistent spark performance under all driving conditions, from city commuting in Nairobi traffic to long-distance highway driving.
DENSO is a Tier-1 OEM supplier to Toyota, meaning this spark plug matches the original factory-installed unit in performance, durability, and heat characteristics. Using the correct spark plug is critical for engine efficiency, emissions control, and long-term engine health.
ENGINEERING EXCELLENCE – BUILT FOR THE 1ZZ-FE ENGINE
The 1ZZ-FE engine is known for its balance of fuel efficiency, reliability, and smooth power delivery. To maintain these characteristics, Toyota specifies DENSO K16R-U11 spark plugs due to their precise heat range, electrode design, and combustion stability.
This spark plug is engineered to:
– Deliver strong and consistent ignition
– Maintain stable combustion at varying RPMs
– Prevent misfires and hesitation
– Support clean emissions
– Protect ignition coils from overload
Incorrect or low-quality spark plugs can lead to rough idling, increased fuel consumption, poor acceleration, and engine warning lights. This genuine DENSO plug eliminates those risks.






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