Reese Sidewinder Rotating Pin Box Replacement for Lippert 1621 OEM Pin Box

Question

Question:

Will this hitch fit a Lippert 1621 pin box?

asked by: Dan S

0

Expert Reply:

The Reese # RP34FR Sidewinder would indeed be the correct replacement for your existing Lippert 1621 OEM pin box.

It will replace the following OEM pin boxes:

• Fabex 663 and 665
• Lippert 0719, 1621 and 1621HD
• M&M 663 and 665
• Lippert 1716, 1116, and 0115 (spacer kit required - sold separately)

expert reply by: Mike L

0

Answer 1

Thank you for the photo of your 2016 Ram 3500's bed rail which sits 59-inches above ground. You are correct that the recommended minimum clearance between a bed rail and the underside of the trailer's overhang is 5 to 6-inches, as shown in…

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Answer 2

On the Morryde pin box you referenced #MR24VR that you referenced it measures 25-5/8 inches from the center of the king pin back to the rear mounting holes. Since the rear mounting holes are right at about an inch from the rear of the pin box…

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Answer 3

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 4

Since we know you have a Lippert 1621HD on your trailer we can easily pick you out a cushioned pin box. The Flex Air part #LC369535 will be what you need. It has a 21k capacity plus has two forms of cushioning for the pin box which will work great to…

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Answer 5

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…

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Answer 6

Actually, you can install Air Lift air bags #AL88338 on your 2018 Chevy Silverado 3500 with Reese installation kit #RP50066-58 in place. Normally this kit uses u-bolts to secure the upper air bag brackets to the frame rails. This of course would…

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Answer 7

The pin weight of a 5th wheel trailer will usually be around 20% of the trailer's gross trailer weight (GTW) rating. The only real way to find the loaded pin weight of your 5th wheel trailer would require access to a commercial scale used to…

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Answer 8

MORryde #MR64VR, #MR74VR, #MR84VR all have a GTW of 18,000lbs but each have a finetuned spring capacity for a smoother ride which is why you see 11.5k listed for the #MR64VR. Since your 2018 Grand Design Reflection 303 has a GVWR of 11995 and…

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Answer 9

While the MORryde #MR74VR is rated up to 18,000 pounds, it is optimized to give the best ride for trailers weighing 11,500 to 14,000 pounds. This will be a very good choice for your Reflection as long as it has the 1621 or 1621HD bolt pattern - which…

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Answer 10

The hitch you use will play a huge factor in how much chucking you will experience. If the hitch uses a slide bar type jaw which leaves a lot of room for movement you are going get more chucking. If you use a hitch with a very tight jaw system like…

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Answer 11

Both the TorkLift #TLA7310S Stainless StableLoad and the RAS #RAS3611-Y would absolutely help with the body roll in turns, porpoising and sway caused by crosswinds. Both systems are very highly rated by our customers. I'd agree that air helper…

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Answer 12

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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Reese Sidewinder Rotating Pin Box Replacement for Lippert 1621 OEM Pin Box

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