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Expert Answers about Forest River Sierra Fifth Wheel


  • Recommended Wheel for a ST235/80R16 Tire w/ a 8 on 6-1/2 Bolt Pattern
  • The Aluminum Bobcat Trailer Wheel item # LHSO513B you were looking at would be a great option for your 2016 Forest River Sierra Fifth Wheel. This is a 16" x 6" rim with a 8 on 6-1/2 bolt pattern. You will have no issues mounting a ST235/80r16 tire on this wheel. Each one has a 3,960 lbs capacity. I have linked our entire selection of compatible wheels below in case this one doesn't match the style on your 5th wheel trailer.
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  • Replacement Bearing Kit for a Dexter 6,000 lbs Axle
  • The Bearing Kit item # BK3-100 is designed for Dexter 6k trailer axles like your Forest River has. This kit comes with new bearings and a seal you will need one per wheel. I attached an installation video that shows a trailer hub getting rebuilt for you to check out as well.
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  • Recommended RV Storage Cover For A 2018 Forest River Sierra Fifth Wheel
  • For your 2018 Forest River Sierra Fifth Wheel I recommend the Adco Olefin HD All-Climate + Wind RV Cover for 5th Wheel Toy Hauler - Up to 43' Long - Gray # AD89ZR. The Olefin HD travel trailer cover works best for long-term storage in all climates. The top panel constructed of Olefin HD fabric blocks harmful UV rays that can cause cracking and fading, beads water on contact, prevents dirt and dust particles from reaching trailer surface, and eliminates black streaks and corrosion caused...
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  • Can the Reese Goose Box Be Used With a Ram 3500 Short Bed
  • The newest Reese Goose Box, like the # RP85FR, can definitely be used with your Ram 3500 that has a 6-1/2 foot bed. However, this will not extend back any further than a standard pin box and will measure 17-3/4" from the center of the coupler to the center of the first mounting hole, so you will need to be careful when turning. One way to help get more room between the front of your trailer and the back of the truck's cab will be to use an offset gooseneck ball, like the 4" Offset Ball...
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  • How To Choose the Correct Replacement Axle for a 2014 Forest River Sierra 365SAQB
  • In order to choose the correct replacement axle for a trailer you'll first want to start with the weight capacity. The weight capacity can be found on the axle tag in the center of the beam. Then, you'll need to measure the hub face (center of hub face to center of hub face) and spring center (center of spring center to center of spring center). This will then give you the info needed to pick out the correct replacement axle for your trailer. I have also attached a video I did to help others...
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  • Recommended Bulb Seal Replacement For A 2019 Forest River Sierra Fifth Wheel
  • The channel on the # SR37FR would be approximately 1/4" too large so you'd want to go with the Rubber Bulb Seal for RV Slide Out - 1" C-Channel # SR84FR instead. This bulb will fit much closer to your 13/16" channel. I do recommend drilling a small hole every few feet through the outer bulb and using a screw to secure the base of the bulb seal to the track once in place.
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