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Imco and Mayfair Hydraulic steering

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Old 03-06-2026 | 06:26 AM
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Default Imco and Mayfair Hydraulic steering

Hello, Im working on my boat and it has imco hydraulic steering rams. I don’t have the outer clevis that mount between the ram and the drive cap. I have a Mayfair ram with the clevis still on it and thinking if I could use that one.
Does anyone know if they are the same? Or if someone can measure a imco clevis so I can compare with mine. They do look the same but hard to tell by photos.

imco part number: 421-05-1034
mayfair part number: 137-9225
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Old 03-06-2026 | 12:29 PM
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I can measure my IMCO ones this evening
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Old 03-08-2026 | 10:42 AM
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Is this the info you're looking for?






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Old 03-08-2026 | 12:26 PM
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Naturally my battery is dead, but measurements are here:





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Old 03-09-2026 | 01:10 AM
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Originally Posted by CheckmateScarab
Naturally my battery is dead, but measurements are here:




Thank you, looks like they are a bit different. Could maybe make my own bushings to make it fit or else just get 2 original imcos.
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Old 03-09-2026 | 01:42 PM
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Yea it looks like the pin will fit the steering cap but the thru-bolt on the ram has a different dimension. 1/2" vs .0.68". I'm sure you could shim and add some washers to cover the difference in a pinch
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