Common fitments include Harley-Davidson, Honda, Yamaha & Kawasaki motorcycles
Part No. 2103-0039
Proper ignition performance is critical for smooth throttle response, efficient combustion, and reliable starting. The 2103-0039 is a standard replacement motorcycle spark plug designed to deliver consistent ignition performance and stable engine operation for routine street use.
This plug earns its place here because it supports dependable combustion characteristics suited to everyday riding and scheduled maintenance.
Key features
OEM-style spark plug construction
Reliable ignition performance
Stable combustion characteristics
Suitable for everyday street applications
Who This Spark Plug Is For
Riders replacing worn or fouled spark plugs
Owners maintaining consistent engine performance
Street riders performing routine service
Good to know
We do not install customer-supplied parts. This product is sold for customer installation or third-party service.
Place your order and we’ll confirm compatibility before shipping, or contact you with the correct alternative.

