The Honda website is the best place to find genuine Honda parts for pressure washers and other Honda tools.
Visit the Honda Website and click on "Parts & Support."
On the left side of the page, click "Parts Look Up."
Enter the name of the model of the pressure washer in the box. Enter the seven-digit serial number next to that. Click "Search For Parts."
Browse through the parts that appear on the next page. Select the correct part.
Higher Power Supply also sells parts for Honda Pressure Washers, although its stock is more limited.
Users may also click on the images at the top of the page. Choose from valves, brushes, water heaters and other parts.
Choose "See Details" on one of the parts displayed for more information.
After finding the proper part, change the quantity if desired, and click "Add to Basket."
On the next screen click either "Continue Shopping" or "Secure Checkout."