Review of CURT Fifth Wheel King Pin - Upgraded Pin Box - LC369535 Video

The MORryde Cushioned 5th Wheel Pin Box for 14K to 18K Trailers w/ Lippert Rhino Item #MR83QR is the replacement for your Lippert Rhino pin box.

Trailair Flex Air 5th Wheel Pin Boxes, such as the Lippert #LC328492, are designed to replace the existing pin box on your trailer. The long and short jaw models that you referenced in your question simply refer to the type of pin box that the unit…

Thank you so much for the pictures! That is exactly what I need. Your 2023 Solitude 2930RL has what's called a Lippert Rhino pin box. The Rhino Box, like the Lippert 1621 you mentioned, is a specific bolt pattern and to replace it with a MORryde…

If you're looking to replace the pin box on your KZ Sportsmen then you'll first need to know the bolt pattern. Typically there's a label somewhere on it that will have an RPO or serial number that we can use to find out the bolt pattern,…

Yes, the Trailair Flex Air part #LC369535 that you referenced will replace the Lippert 1621 pin box you have installed on your Grand Design 3350RL.

The best replacement pin box for the Lippert 1621 on your Grand Design Reflection 303RLS is the Curt Flex Air. This pin boxes has an air spring and shock absorber which will reduce the back and forth chucking (stopping and taking off) and lower the…

The distance from center of king pin to front row of bolt holes on the Curt Flex Air 5th Wheel Pin Box #LC369535 is 20-3/4". This would be a bit longer than the MORryde Cushioned 5th Wheel Pin Box for 18K to 21K Trailers w/ Lippert Rhino #MR55QR…

For your 2018 Forest River Silverback, the Trailair Flex Air 5th Wheel Pin Box #LC369535 is the correct fit. It will work with the capacity of your trailer as well as will bolt right up to your 1621HD pin box. The only real difference between the…

The Curt Flex Air 5th Wheel Pin Box - Lippert 1621 #LC369535 is approximately 19-9/16" in height, whereas the Trailair Rota-Flex 5th Wheel Pin Box - Lippert 1621 #LC328330 is approximately 13-3/16" in height. This will give you the…

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…

Thanks for the picture! I just heard back from my rep at Lippert and your 5th wheel trailer has a Lippert Rhino pin box. You will want the Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter item #RP85FR. The Reese Goosebox is confirmed…

I have included a picture showing what a TriGlide pin boxed looked like. They have been discontinued though in part because they were reportedly very high maintenance. The model that you asked about, 35-946232, is designed to fit in place of a…