Fire every cylinder cleanly with the DENSO Spark Plug 5369 — the ignition component that carries high-voltage current into the combustion chamber and jumps a spark across its electrode gap to light the air-fuel mixture. It drops in as a direct-fit replacement across a wide range of Honda motorcycles, including the 2004-2009 CBR1000RR, 1997-2003 CBR1100XX Super Blackbird, and 1990-1997 VFR750F Interceptor.
Core job: delivers the spark that ignites the air-fuel mixture to run the engine.
Signs it may need replacing: hard starting, misfires, rough idle, or reduced fuel economy — diagnose the cause before replacing, since these symptoms can have other sources.
Service item: a routine wear part; check your service schedule for the recommended replacement interval and per-cylinder quantity.
Interchange: IUH27 · Manufacturer part number 5369.
This part cross-references / interchanges with the following part numbers:
IUH27
Frequently Asked Questions
What does this spark plug do?
It carries high-voltage current into the combustion chamber and jumps a spark across its electrode gap to ignite the air-fuel mixture, which runs the engine.
What are signs my spark plug may need replacing?
Hard starting, misfires, rough idle, or reduced fuel economy can be signs. These symptoms have other possible causes, so diagnose the source before replacing.
Will this fit my Honda motorcycle?
It's a direct-fit replacement for the listed Honda models and years, such as the 2004-2009 CBR1000RR and 1998-2006 VFR800 Interceptor. Check the Buyer's Guide tab to confirm your exact model.
What is the interchange number for this plug?
This part cross-references to IUH27. Its own manufacturer part number is DENSO 5369.
How many should I order?
Spark plugs are a per-cylinder item and the quantity varies by engine. Consult your service information for the correct number and the recommended replacement interval.
Spark Plug StandardPatented U-Groove technology on the ground electrode allows for a larger flame front and improved ignitability. Copper core center electrode for superior thermal conductivity...
WARNING:
These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
