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Cushioned Pin Box Replacement Recommendation for 2018 Keystone Montana 3811MS  

Question:

Would like to upgrade current Lippert rota flex pin box. Sticker on pin box is difficult to read : S/N : S or a 5 000964087 Manufacturer date: 9/13/17 RPO. 0000904032 18,000 GVW Unit: 2018 Keystone Montana 3811ms Measurements on pin box don’t match pin box charts.

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Helpful Expert Reply:

I gave all of your info to Lippert (who made your trailer frame) and they told me that you have the 1116 pin box currently so for a cushioned pin box that will be an upgrade from your Rota-Flex you'd want the Trailair part # LC155943 which will bolt right up easily and will give you vertical cushioning that will be much smoother than the cushioning of your Rota-Flex. This is the best cushioned pin box option for your trailer available.

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Jameson C

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