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Aft Castle Washer Merc V6 by Michigan Wheel (990348)

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0.30 LBS
Unit of Measure:
Manufacturer Part Number (MPN):

Aft Castle Washer Merc V6 by Michigan Wheel (990348)


The Michigan Wheel aft castle was designed exclusively for Mercury Mercruiser V6 outboards. The Michigan Wheel Aft Castle Washer supports the steering post structurally, eliminating sag and improving boat control. This unit's huge footpad surface increases performance by providing better grip in choppy water and decreasing steering shaft stress.

Key features:

  • Mercury V6 outboard engine aft castle washer The aft castle washer is made of induction-hardened stainless steel and minimizes wear on the crankshaft and camshaft bearings.

  • To increase durability and minimize the chance of cracking or scratching, the surface is hot-pressed.


  • SKU: 990348

  • UPC: 014984020183

  • Weight: 0.30 LBS

  • Manufacturer Part Number (MPN): 990348

  • Item Package Dimensions (L x W x H): ?12 x 10 x 1 inches

  • Brand Name:Michigan Wheel

  • Color: ?Bronze

  • Manufacturer: ?Michigan Wheel

  • Brand: Michigan Wheel

  • Manufacturer Part Number: ?990348


We can ship to virtually any address in the US. 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.

Returns Policy

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, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.

Need help? We're available at+1 (800) 664-8116 - Email us
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