Best Replacement Pin Box for Lippert 1621 to Reduce Chucking

Question

Question:

I have a 2016 Grand Design Reflection with the 1621 pin box and using the Anderson Ultimate rail mounted hitch. I am wondering if the Trailair Flex Air 5th Wheel Pin Box - Lippert 1621 - 18,000 lbs is the best replacement pin box to help reduce the chucking especially. Thank you.

asked by: Keith C

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Expert Reply:

The Trailair Flex Air # LC328492 is the correct replacement for your Lippert 1621 and we've confirmed will work with the Andersen Ultimate.

The Flex Air is going to be the best option to smooth out your ride.

expert reply by: Charles S

0

Answer 1

I checked with Andersen and they do state that their Ultimate 5th Wheel Connection can be used with the Trailair Rota-Flex 5th Wheel Pin Box like the part #LC328330 that you mentioned. As you referenced, you will just want to use the Rota-Flex…

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Answer 2

In order to recommend the correct Trailair replacement pin box for your Keystone Challenge 5th wheel, I will need to know the manufacturer and model number of your OE pin box. This information should be listed on a plate or sticker affixed to the pin…

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Answer 3

Yes, the Andersen Ultimate hitch you have is compatible with the Curt Trailair pin box part #LC158778 that you referenced.

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Answer 4

The Andersen Ultimate Connection 5th Wheel Trailer Hitch System #AM3200 should only be used with fixed pin boxes. Since the Curt Air Ride #LC158778 moves from the air ride it should not be used.

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Answer 5

Hello again Joel; I would recommend the Curt Air Ride 5th Wheel Pin Box #LC158778 over the Flex Air #LC369535. The pivoting head from the Flex Air causes too much movement so it actually isn't compatible with the Andersen hitch. Since the Air…

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Answer 6

Hey Steve, congrats on the new truck! I don't have a yes or no answer for you but I can help you make your decision. It's definitely recommended to use a sliding hitch with a short bed truck like your 2025 Chevy Silverado 2500. There's…

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Answer 7

Yes, you can use a fixed fifth wheel hitch in the pucks of your short bed 2020 Chevy Silverado 2500. I checked with B&W, the manufacturers of the outstanding B&W Companion hitches, and found out the puck spacing of the Sliding B&W…

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Answer 8

Hey Marshall, so normally with short bed trucks it used to be that you always had to use a slider hitch like the B and W Companion slider part #BWRVK3775 that fits your 2024 Chevy SIlverado 3500 with the OEM pucks but in recent years fifth wheel…

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Answer 9

For a 2020 Chevrolet Silverado 2500, I recommend the B&W Companion OEM 5th Wheel Hitch part #BWRVK3710 or part #BWRVK3775 over the Curt A20 5th Wheel Trailer Hitch part #C84FR. The reason for this is because the cam-action handle on the B&W…

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Answer 10

Hey Justin, I can definitely help with this. I do recommend going with a sliding 5th wheel hitch since your truck is not a long bed. The slider helps with clearance on tight turns. What I recommend is the B&W Companion OEM 5th Wheel Hitch w/…

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Answer 11

The Trailair Rota-Flex 5th Wheel Pin Box like #LC328330 on your trailer is not compatible with any type of gooseneck adapter because of the extra movement that would be present at the connection point. To use with the existing pin box on your new…

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Answer 12

You are correct that some newer pickups have taller bed sides that make it a little more complicated to ensure that your trailer remains level while you have enough clearance between the bed rails and your 5th wheel trailer. While I can't tell…

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Best Replacement Pin Box for Lippert 1621 to Reduce Chucking

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