The best full suspension replacement option we have for trailers is the Roadmaster Comfort Ride Leaf Spring Suspension Kit part # RM-2460-2570. This is a complete kit which comes with new leaf springs, shock absorbers, and everything else needed for installation. The springs/shocks work great to improve traction and provide a smoother, quieter, and more controlled ride. The independent axle operation also increases traction by as much as 70 percent during braking view full answer...
Since you have a Lippert 1621 pin box on your 2018 Durango Gold 380FLF the correct Sidewinder is the part # RP61422 that you mentioned.
So you'd want to use a fixed hitch with the Sidewinder and since you want a lower height one the Reese part # RP30047 would be a great option as it's height range is 13-1/2 inch to 17 inch. view full answer...
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