Unloader & Detergent Hose For Honda GX340 GX390 11/13HP 1" Shaft Pressure Washer
This page is affiliate-supported. Prices and availability can change after the last marketplace refresh.
About this product
This is an unloader and detergent hose assembly specifically designed for Honda GX340 and GX390 engines, which are commonly found in 11/13HP pressure washers with a 1-inch shaft. Manufactured by Sigma, this component is crucial for the proper operation of the pressure washer, managing water flow and facilitating the application of detergents. It serves as a direct replacement part, ensuring compatibility with the specified Honda engine models.
Our take
If you own a Honda GX340 or GX390 pressure washer with an 11 or 13HP engine and a 1-inch shaft, this unloader and detergent hose from Sigma appears to be a direct fit. It's a specific replacement part, which means you're getting something tailored to your machine rather than a generic component. The price reflects its specialization for these powerful Honda engines. Given its role in managing pressure and detergent, it's a vital component, and investing in the correct part from a brand like Sigma can help maintain the performance of your high-HP washer. Make sure to confirm your engine's shaft size for perfect compatibility.
Pros & Cons
Pros
- Specific to Honda GX340 GX390 engines
- Designed for 11/13HP pressure washers
- Sigma brand part
- Direct fit for 1" shaft
Cons
- High price for a hose assembly
- Only compatible with specific Honda engines
Specifications
- MPN 778030
- Brand Sigma
- UPC 789591778030
