UFP Unique Functional Products

3/4' ID Trailer Spindle Washer Flat 'D' Shape #290-0233390

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  • Regular price $ 2.99
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Flat "D" Shape Trailer Axle Spindle Washer - 290-0233390, 32402

This very common D-shaped washer fits 3/4" threaded trailer spindles with a flat spot.  These spindles are called D-shape spindles.  Typically for use on 3,500-6,000 lb. axles.

  • Fits 3/4" D-shape trailer spindles
  • 1 5/8" Outside diameter (may vary slightly without affecting function)
  • 13/16" (.81" - .84") Inside diameter (may vary slightly without affecting function)


  • 290-023390 EZ Loader Trailer Axle spindle D-shape washer.
  • 32402 fits UFP Trailer Buddy Axles
  • Used on Trailer Buddy-UFP Axles, EZ-Lube Axles, and any other application that requires this type of washer.

Customer Reviews

Based on 21 reviews
James D. (Contoocook, US)
D washer

Item fit perfectly on axle. Fast shipper.

Wendy F. (Enville, US)
Help needed in a hurry

These guys were spot on they had what I needed and got it to me quick. Got me back on the water by the next weekend. Thank y’all so much

Samuel C. (Oakland, US)
Spindle washer

Perfect fit on trail star trailer

Neil M. (Waco, US)
Spindle Washer

Fit like a glove!

Ron W. (Murphy, US)
Trailer Spindle D Washer

I live in north Georgia. I searched everywhere for this washer. Autozone, NAPA, and local boat repair businesses. No one could help me. Thankfully I found it at pacific trailers. Fast delivery, problem solved!

Larry P. (Atascadero, US)
Trailer Spindle Washer.

Worked well. Great job on providing all of the washer dimensions so that correct fit could be confirmed before orderibg

Dean B. (Philadelphia, US)
D Washer

Thank you

Jason E.

Worked awesome, everything I ordered was right and arrived on time or sooner.

Briant C. (Las Vegas, US)
good replacement parts

Great quality replacement parts

Sigmond W. (Dallas, US)
3/4' ID Trailer Spindle Washer Flat 'D' Shape #290-0233390

I was happy with the item and delivery. I need help with the order being incorrect and am still waiting for the customer service department to contact me. All in all great job!!!