Harley-Davidson parts are generally designed and manufactured specifically for use in Harley-Davidson motorcycles. While there may be some instances where certain aftermarket parts or accessories can be adapted to fit other motorcycles, it is not common for Harley-Davidson parts to be directly compatible with other brands.
Motorcycle manufacturers have unique engineering designs, dimensions, and specifications for their bikes, including the engine, frame, suspension, and other components. These differences mean that parts designed for one brand or model may not fit or function properly on another brand or model.
That being said, there are aftermarket companies that produce parts and accessories designed to fit multiple motorcycle brands, including Harley-Davidson. These aftermarket parts are often made to be compatible with a range of motorcycles, but they are specifically engineered and marketed as universal or adaptable components.
If you are looking to modify or customize a motorcycle, it's important to consult with reputable manufacturers, retailers, or motorcycle customization specialists who can guide you in selecting compatible parts for your specific motorcycle brand and model. They can provide you with the necessary information and ensure that the parts you choose are suitable for your motorcycle's specifications.