Air Ride Pin Box to Replace a Lippert 1621 Pin Box

Question

Question:

We are looking at the LC158778 to replace ours.. we have 3 bolts on front and two bolts on back is there a part we need to purchase to adapt to our hitch

asked by: Barbara

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Expert Reply:

If you have a Lippert 1621 pin box then all you will need is the correct replacement pin box that matches the bolt pattern. Keep in mind that some replacement pin boxes have additional holes because they can fit more than 1 pin box model.

For a Lippert 1621 pin box rated at 21,000 pounds you can use # LC158778.

expert reply by: Michael H

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Answer 1

Mainly the difference is the Lippert 1116 is considered a medium length pin box and the 1621 is considered a long one. It's not by much but the 1621 stick out about 3 inches further.

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Answer 2

I have attached for you below a dimensional drawing of the Lippert 1621 5th Wheel Pin Box part #LC1191191 which was provided by Lippert. This gives a frame of reference for the height by measuring from the bottom of the skid plate to the top of the…

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Answer 3

If you are looking for the best fifth wheel pin box to replace your Lippert 1621 that will provide the smoothest ride quality and won't break the bank I would recommend the new Trail Air Flex Air part #LC328492. This pin box works to fight and…

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Answer 4

The extended notation you have mentioned for the Lippert 1621 5th Wheel Pin Box part #LC1387883 is in regards to the style. This is also know as the "long" style and there are several other pin boxes with this style that have similar…

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Answer 5

There should be a sticker or plate on the pin box itself that lists the manufacturer and model of the pin box. If it is not present then there are some measurements you can take to determine the model of the pin box. I have included a link that…

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Answer 6

The new Rhino Box from Lippert currently has no replacements so you won't be able to swap out this pin box with a Sidewinder to add more turning clearance. Because of this you'll have to use a sliding 5th wheel hitch in your 6.5' bed to…

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Answer 7

Hey Richard, thanks for reaching out! The Air Lift LoadLifter 7500 XL Air Helper Springs #AL57541 does take up the same space as the Curt 19419346 5th wheel bracket kit for your 2024 GMC Sierra 3500. The only way to remedy this is to use the…

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Answer 8

I spoke with my contact at Trailair and from your serial number we were able to determine that your trailer came with a 1621 HD pin box which is a long pin box style. I was unable to obtain the exact part number for your Trailair pin box but from the…

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Answer 9

Choosing the right height setting for your 5th wheel hitch is a combination of a few different variables. First of all you want your towing setup to be as level as possible. With your Montana High Country 340BH level you will want to measure from the…

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Answer 10

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 11

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 12

That's weird, the 7-Way Vehicle Power Adapter for Furrion RV Observation Camera #FR87PR should allow you to use your camper at the same time as that's what it's designed for. If you want to just avoid the adapter all together, I would…

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