Samsung Washer Pulsator Cap Parts — Models & Compatibility

The pulsator cap sits at the center of your Samsung top-load washer's agitator assembly, securing the pulsator mechanism that creates the washing action. When this cap cracks, comes loose, or goes missing entirely, you'll hear rattling noises during the wash cycle and may notice reduced cleaning performance. This hub covers the DC66-00777A replacement cap compatible with Samsung WA series front-control washers.

Is This the Right Part for Your Model?

Before ordering, verify your model number matches our compatibility list below. On Samsung top-load washers, you'll find the model number on a sticker inside the washer lid or on the back panel near the water inlet valves. Look for models starting with "WA" — this cap specifically fits the WA45H7000 and WA45H7200 series washers with the activedual wash system.

About This Replacement Part

The DC66-00777A pulsator cap (also sold as AP5788799 and PS8753312) is a direct replacement for Samsung's original equipment. It's engineered to snap securely onto the pulsator assembly and withstand the high-speed rotation and water pressure during wash cycles. The cap prevents water from entering the transmission area while keeping the pulsator mechanism properly aligned. If you've noticed your washer making scraping sounds or the center agitator feels loose when you push on it, a worn or missing pulsator cap is often the culprit. This part typically fails after 5-7 years of regular use as the plastic fatigues from constant flexing and exposure to detergent residue.

Compatible Samsung Models

This pulsator cap fits the following Samsung washer models. If your model isn't listed, contact us with your complete model number for verification:

• WA45H7000AP
• WA45H7000AW
• WA45H7200AP
• WA45H7200AW

Installation Overview

Replacing the pulsator cap is straightforward. You'll remove the fabric softener dispenser (if equipped), unscrew the center bolt holding the pulsator, lift out the pulsator assembly, and snap the new cap into place. The entire job takes about 15 minutes with basic hand tools. Make sure the washer is unplugged before you start, and have a towel handy to catch any residual water in the tub.

Why This Part Fails

Pulsator caps crack for several reasons: overloading the washer puts excessive stress on the center assembly, using too much detergent creates residue buildup that degrades the plastic, and normal wear from thousands of wash cycles causes fatigue fractures. You might also damage the cap accidentally if you're reaching into the tub to redistribute heavy items and push down too hard on the center post. Once the cap cracks, it's only a matter of time before a piece breaks off completely.

Order Your Replacement Part

The DC66-00777A pulsator cap is in stock and ready to ship. At $24.99, it's a cost-effective repair compared to service call fees. We ship same-day on orders placed before 3 PM EST, so you can have your washer back in action within days.