Mercury Kiekhaefer 31-21146 Torrington Roller Bearing B-1112 Driveshaft Mark MK

Mercury Kiekhaefer 31-21146 Torrington Roller Bearing B-1112 Driveshaft Mark MK


Item Description
  • Mercury Part Number 31-21146 Torrington Roller Bearing B-1112 Propeller and Driveshaft Possibly used with Mark 7, KE4, 40, KG9, KF9, KG4, KF7 KE7, KG7 1939-1953  (and possibly others).
  • Make sure to check and see that the number on your bearing is the same.
  • Purchase with confidence!
General Disclaimer (please read)
  • These are New-Old-Stock Parts from a large mercury Mark & K models cabinet I have.
  • Some of these parts might work on more models than listed in the title and/or the description, Please do your own research
  • There might be some surface rust, missing paint, scratches, cosmoline, or other vintage corrosion inhibitor that may need to be cleaned off prior to use.
  • You may not receive the exact item as pictured, but the one you will receive will be identical in equal or better condition.
  • Please inspect pictures closely, and if there is something I missed or seems incorrect please let me know!
  • Any original packaging pictured is not included!
  • If you have any questions about these parts or need something similar or related to these, please ask as there is a fair chance that I have it even if it's not listed.

International Buyers - Please Note:
Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.
Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.

This additional cost is different for every country and usually calculated with the item cost PLUS the shipping cost. The duty fees or taxes assessed are usually a percentage of that total amount (cost + shipping). It's impossible for us to pre-pay these expenses so please keep that in mind before making a purchase.

Compatibility Statement / Disclaimer

  • Please check with us or your parts manual if you are unsure if this is correct for you. The part numbers given here are all correct, but it is ultimately up to you to do a little bit of research and make sure this is what you need.
  • The compatibility statements or suggestions in this listing is my best guess based on the quick research we did for this item.

Return Policy (The Fine Print):

We try to describe all of our items honestly and accurately to the best of our ability. If you are dissatisfied with your recent purchase, please contact us as soon as possible. Returns must be made within 30 days, buyer is responsible for return shipping in most cases. We stand behind the products we sell and if something doesn't seem right with your purchase or you are having unexpected difficulties, please contact us as soon as possible and give us the opportunity to correct the issue. In the event that an item has unexpected functional issues within the return period, We will either let you keep the item and offer a full refund or ask that you ship the item back to us and offer a full refund and cover the return shipping as well.


These are used parts. Used parts may have cosmetic issues (scratches, missing paint, faded plastic, pitting, rust, minor dents & dings, etc.) The condition of this item is as described in the description and visible in the picture. You will receive the items you see in the picture (unless noted otherwise) It is being sold "as is" with no warranty.

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