Frigidaire Dishwasher Water Inlet Valve Parts — Models & Compatibility

Your Frigidaire dishwasher fills slowly, makes a humming noise during the fill cycle, or won't fill at all. The water inlet valve controls how water enters your dishwasher — when it fails, you're stuck with dirty dishes and a machine that either floods or refuses to start. This hub covers the 154637401 water inlet valve, compatible with over 100 Frigidaire, Kenmore, Crosley, Gibson, and Tappan dishwasher models.

Is This the Right Part for Your Model?

Check your dishwasher's model number before ordering. You'll find it on a sticker inside the door frame (open the door and look along the top or side edge). This valve replaces part numbers AP4321824, 154373301, 154359801, and PS1990907. It fits Frigidaire Gallery, Professional, and standard series dishwashers manufactured between 2005 and 2020. If your model number starts with FDB, FDBB, FPHD, or GDB, you're likely in the right place.

About This Replacement Part

The water inlet valve sits at the bottom of your dishwasher where the water line connects. It's an electronically controlled valve that opens when the control board signals it's time to fill. Over time, mineral deposits from hard water can clog the screen inside the valve, or the solenoid coils can burn out from repeated cycling. When this happens, you'll hear the valve humming but see no water entering, or you might see water continuously flowing even when the dishwasher's off. This $15.99 replacement valve includes the mounting bracket and connects to your existing water line with a standard 3/4-inch compression fitting.

Compatible Frigidaire Dishwasher Series

This valve works across multiple Frigidaire product lines. The FDB series covers their built-in models from the mid-2000s through 2015. The FDBB series represents their newer built-in dishwashers with updated control boards but the same valve design. FPHD models are the Professional series with stainless interiors. GDB models were sold under both Frigidaire and Gibson branding. Kenmore models in the 630 and 665 series also use this same valve — just verify your full model number against the compatibility list.

What Causes Water Inlet Valves to Fail

Hard water is the biggest enemy. Calcium and lime build up on the valve's internal screen, restricting flow until the valve can't open properly. The solenoid coils that actuate the valve can also fail from power surges or simply wearing out after thousands of cycles. Sometimes the rubber diaphragm inside cracks from age and temperature cycling. You might notice your dishwasher taking 10-15 minutes just to fill when it used to take 2-3 minutes — that's a partially clogged valve screen. If you hear clicking or humming but get no water, the solenoid's likely dead.

Installation Overview

Replacing the water inlet valve isn't complicated, but you'll need to shut off water supply and pull the dishwasher forward to access the bottom panel. Disconnect the water line (have a towel ready — there's always residual water), unplug the wire harness, remove two mounting screws, and the old valve comes right out. The new valve installs in reverse order. Most DIYers complete this repair in 30-45 minutes. The trickiest part is usually getting the dishwasher pulled out from under the counter without scratching your floor.

Verify Your Model Number

Don't guess on compatibility. Even within the same series, Frigidaire used different valves depending on the production year. The model number sticker tells you everything — it includes the base model, the color code, and sometimes a production sequence number. Write down the complete model number including all digits after the dash. Models like FDB1050REB3, FDBB2865FC2, and FPHD2481KF0 are confirmed compatible. If your model starts with 630 or 665 and has Kenmore branding, cross-reference it with Frigidaire's parts database — many Kenmore dishwashers were manufactured by Frigidaire with identical parts.