How to Replace Lower Spray Arm on Frigidaire Dishwasher

In today’s DIY guide, we’ll walk you through the step-by-step process of replacing the lower spray arm on your Frigidaire dishwasher. Whether your dishwasher isn’t cleaning dishes properly or you’ve noticed a cracked or damaged spray arm, this article will help you restore your appliance to its optimal performance. With a few simple tools and a bit of patience, you can save both time and money by tackling this repair yourself.

Your Frigidaire dishwasher’s lower spray arm plays a crucial role in distributing water and detergent during the wash cycle. Over time, it can become clogged, damaged, or simply wear out. Replacing it is a relatively simple task that can improve your dishwasher’s performance significantly.

Safety Precautions

Before you start, ensure your safety by disconnecting the dishwasher from the power source and water supply. Also, make sure you have protective gloves and eyewear on hand.

Gather Your Tools and Parts

You’ll need a few tools and parts for this project:

  • New lower spray arm
  • Adjustable wrench
  • Screwdriver
  • Towels or rags

Turn Off the Power

To prevent any accidents, turn off the power to your dishwasher at the circuit breaker. Safety first!

Remove the Lower Dish Rack

Slide out the lower dish rack carefully and set it aside. This will give you access to the spray arm.

Locate and Remove the Spray Arm Nut

Underneath the spray arm, you’ll find a nut securing it in place. Use an adjustable wrench to carefully loosen and remove this nut.

Detach the Spray Arm

Gently pull the lower spray arm off its hub. Be mindful not to force it, as it should come off relatively easily.

Inspect and Clean

Take a moment to inspect the hub and the area around it for any debris or clogs. Clean them thoroughly if necessary to ensure optimal water flow.

Attach the New Spray Arm

Slide the new lower spray arm onto the hub, making sure it’s securely in place.

Reassemble the Spray Arm Nut

Using the adjustable wrench, tighten the nut back onto the hub to secure the new spray arm.

Reinstall the Lower Dish Rack

Slide the lower dish rack back into the dishwasher.

Turn the Power Back On

Go back to the circuit breaker and restore power to your dishwasher.

Test Your Dishwasher

To ensure your repair was successful, run a test cycle to see if the lower spray arm is functioning correctly.

Maintenance Tips

Regularly clean your dishwasher’s spray arms to prevent future clogs and issues. Consider using a dishwasher cleaner to maintain optimal performance.


Congratulations! You’ve successfully replaced the lower spray arm on your Frigidaire dishwasher. Enjoy cleaner and more efficient dishwashing once again.

FAQs (Frequently Asked Questions)

How often should I replace the lower spray arm on my dishwasher?

It depends on usage, but typically every 3-5 years is a good guideline.

Can I use a universal spray arm as a replacement?

It’s recommended to use a genuine Frigidaire replacement part for the best results and compatibility.

What should I do if the new spray arm is still not working correctly?

Double-check the installation and make sure there are no obstructions. If the issue persists, consult a professional technician.

Is it necessary to turn off the power before replacing the spray arm?

Yes, for safety reasons, always disconnect the power to your dishwasher before attempting any repairs.

Where can I find a replacement lower spray arm for my Frigidaire dishwasher?

You can find genuine replacement parts at your local appliance store or online through authorized dealers.

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