Spark Plug Denso U24FER9

Ultimate Performance: DENSO Spark Plug U24FER9 - Specialized Nickel Ignition

Is your motorcycle or scooter engine experiencing hard starting, misfires, or unstable performance? The U24FER9 is a specialized spark plug designed for high-compression, small-displacement engines. A worn plug compromises power and reliability, demanding replacement with a high-quality component.

This is the DENSO Standard Nickel Spark Plug, identified by the code U24FER9 (DENSO Stock No. 4127). This plug features a specific heat range and dimensional fit (M10 thread, 19mm reach) making it a direct replacement for many performance scooters and motorcycles (often cross-referencing to NGK CR8EH-9). Choosing DENSO guarantees world-class ignition technology.

Why Purchase the DENSO U24FER9 Spark Plug Today:

1. DENSO OE Quality and Precision

• High-Precision Nickel Electrode: DENSO is a global OE supplier, ensuring the highest quality construction. This plug features a durable nickel alloy center electrode and a robust ground electrode, providing reliable, consistent ignition under the demanding high-compression cycles of performance engines.

  
  

• Optimized Heat Range (24): The specific heat range (24) is crucial for small, high-revving engines. It ensures the plug operates hot enough to burn off carbon deposits (preventing fouling) but remains cool enough to avoid pre-ignition (preventing engine damage).

  
  

• Superior Anti-Corrosion: Features machine-rolled threads and robust insulator construction, ensuring superior anti-corrosion properties and strength.

  
  

2. Specialized Powersports Application

• Motorcycle/Scooter/Small Engine Use: This plug is commonly used in various powersports and motorcycle applications that require an M10 thread size, 19mm reach, and 16mm hex size (standard for many modern Asian and European bikes/scooters).

  
  

• Restore Power and Reliability: A fresh set of DENSO plugs ensures full combustion efficiency, immediately restoring engine power, eliminating rough idling, and guaranteeing quick, reliable starting.

3. Transaction Focus: Immediate Service and Paired Purchase

• Critical Engine Consumable: Spark plugs are vital consumables. Replacement must be done at the scheduled interval (often 10,000 to 20,000 km for high-revving engines) to prevent performance loss and internal damage.

• Mandatory Set Replacement (If Applicable): For multi-cylinder engines, always replace spark plugs as a complete set. Check your engine schematic to confirm the required quantity.

• Immediate Availability: Engine performance issues require attention. Secure this essential DENSO plug now.

Invest in the performance and reliability of your engine with the world-class quality of DENSO.

✅ Click 'ADD TO CART' now to secure the required quantity and restore flawless ignition.

For more info about upgrading your spark plugs please read Platinum vs Iridium spark plugs