Assorted Vibration Damping Decoupling Washers

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Design Engineering Inc.

DEI 050087

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Designed to reduce high frequencies vibration between metal parts. Boom mat decoupling washers are designed to act as a barrier between parts to reduce vibration and fatigue. Made from a Polyurethane Elastomer and designed to take 2400PSI of compression they can be used in areas like steering columns, motor mounts, seat bases.

Assorted Washer Kit (050087) Includes:

  • Eight ?" small washers (10.31mm ID x 20.63mm OD)
  • Eight ?" large washers (10.31mm ID x 31.75mm OD)
  • Eight ½" small washers (13.48mm ID x 26.98mm OD)
  • Four ½" large washers (13.48mm ID x 63.50mm OD)
  • Eight 9/16" washers (15.24mm ID x 29.51mm OD)

Returns Policy

--PLEASE NOTE: MOST ORDERS ARE SUBJECT TO RESTOCK OR CANCELATION FEE. PLEASE CALL OUR OFFICE FOR DETAILS AND EXCEPTIONS-- You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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