Introducing the Westinghouse WSF Series' latest lower spray arm. Part No. 4055790499, it replaces old parts 42021087, 42151581, 4055703831. This versatile spray arm fits many Westinghouse WSF models and also some Blanco, Euro, and Artusi models. Over time, wear can stop the arm from spinning right. It's compatible with numerous models like WSF6606W, WSF6608X, and more. If you're not sure it fits your model, just share your model number with us. With over 25 years in supplying appliance parts, shop with peace of mind.





Using this lower spray arm is easy. Just replace your old or worn - out spray arm with this new one that matches your dishwasher model. When installing, make sure it's securely attached. As for usage, let your dishwasher run its normal cycle and the spray arm will do its job of cleaning your dishes. Keep an eye on the spray arm's performance. If you notice it's not spinning as well as it should, check for any blockages. To maintain it, regularly clean the nozzles to prevent debris from building up. This will ensure it keeps working effectively for a long time. If you have any doubts about the part's compatibility or need help with installation, don't hesitate to contact us.