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Expert Answers about Grand Design Solitude Fifth Wheel


  • Will Timbren Silent Ride Work With 2017 Grand Design Solitude 375
  • The Timbren Silent Ride Suspension # TSR14K35T01 is an excellent choice for your 2017 Grand Design Solitude 375. I'm not sure if you have the 375RE or 375RES, but both use a 3" round 7,000 lb axle so this is the correct system for your trailer. The silent ride will provide you with a stable ride by distributing the weight equally between your axles. Unlike leaf springs, it performs well when loaded as well as unloaded, reduce body roll by keeping you balanced, and prevent any bottoming...
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  • Recommended SumoSprings for a 5th Wheel Trailer w/ Axles Below the Springs
  • Since your axles are below your leaf springs you will want the SumoSprings Trailer Helper Springs w/ Line Relocation Bracket item # SS26MV. These will fit your 7,000 lbs axle. You will need one per axle. You will want verify that the SumoSprings will fit between your springs and frame. The SumoSprings are 5" tall and 4" in diameter. You will also want to make sure there are no gas lines or other obstructions that may be in the way beneath your camper. These springs do include line relocation...
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  • Will the SRE400 MORryde Premium Rubber Suspension Kit Lift the Trailer
  • The MORryde Premium Rubber Suspension Kit for Tandem Axle Trailer part # MR97ZR does provide a lift for the trailer of approximately two inches. If you have a bumper pull then you may need to adjust the coupler height or ball mount height on the vehicle. The same goes for goosenecks and fifth wheels, there may be further adjustments required to remain level. That said, almost all hitches and couplers can be adjusted so there should not be any issues in doing so.
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  • Will The MORryde Scissor Jack Cross Brace Work On A 2023 Grand Design Solitude 380FL 5th Wheel
  • If the scissor jacks on your 2023 Grand Design Solitude 380FL 5th Wheel are oriented with the open ends facing the front and back of the trailer (as seen in the picture below) then you'll be able to use the MORryde Scissor Jack Cross Brace Stabilizer for Trailers and RVs # MR82AR. These cross braces will utilize the existing hardware on your scissor jacks for installation. If the hardware is too small you may need to drill out the hole on the jacks and enlarge it to fit the correct sized...
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  • Determining Correct Replacement Axles For 2021 Grand Design Solitude 390RK
  • To know the correct replacement axles for your 2021 Grand Design Solitude 390RK you will need to know the manufacturer and serial number on your current axles, or you will need to measure your current axles from hub face to hub face and from spring seat to spring seat. I included a diagram that shows you how to measure your axles and a link to all of our axles for you to take a look at. Something to keep in mind is that upgrading your axles and suspension will not increase your GVWR, as...
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  • Will Replacement 15' Wide Roller with Fabric for Solera Awnings - Solid Black Work with Light Strip
  • The Replacement 15' Wide Roller w/ Fabric for Solera RV Awnings - 8' Projection - Solid Black part # LCV000231442 will accommodate lights that are installed in the fabric but not the roll tube. If you do have lights which install into the roll tube then you will need to keep the existing roll tube and just replace the fabric using the Solera 15' Replacement Awning Fabric - Solid Black part # LCV000334389.
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  • Availability of Hitch that Can Fit 2019 Grand Design Solitude Fifth Wheel
  • If you are looking for a custom fit hitch that fits your 5th wheel we do not offer anything but we do have multi fit hitches like the # 13703 that can bolt on if you are willing to drill the frame or can weld on. If there was a custom fit hitch for your RV it would be from the manufacturer.
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  • How To Determine Fit of the Compact Low Pressure 2-Stage Automatic Changeover RV LP Gas Regulator
  • The Compact Low Pressure 2-Stage Automatic Changeover RV LP Gas Regulator part # 37207-31525 is a universal regulator that will fit pretty much any trailer. It uses the standard 1/4" FIF inlet and 3/8" FPT outlet so there should be no problems with compatibility.
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  • Will the SumoSprings for a 2021 Grand Design Solitude 380RK Work with Hydraulic Brakes
  • The SumoSprings Trailer Helper Springs part # SS26MV which are a fit for a 2021 Grand Design Solitude 380RK aren't directly incompatible with hydraulic brakes. That said, there may be some brake line interference so you'd just need to route the lines around the springs using elbows, flexible lines, etc. If you aren't sure how to do this, you can always use our install locator tool to find a professional near you.
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  • Recommended MORryde Pin Box to Replace a Lippert Rhino Box
  • 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 pin box you will want item # MR55QR. The MORryde Cushioned 5th Wheel Pin Box item # MR55QR is rated for 5th wheel trailer's weighing between 18,000 lbs and 21,000 lbs. The Lippert Rhino Box currently on your Grand Design has a 21,000 lbs capacity...
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  • Heavy Duty Shackle Kit For 2020 Grand Design Solitude 310GK & How to Find Leaf Spring
  • Let's start with the shackle kit for your 2020 Grand Design Solitude 310GK, and for that use the MORryde Suspension Upgrade Kit for Tandem Axle Trailers - 2-1/4" Long Shackle Straps # MR46ZR. As for the leaf spring, we don't have any way of knowing which one you need, so you'll have to measure your current leaf springs from center-to-center of the spring eyes, and you also need to know the weight rating of your axle, though from what I can tell you have 7,000 lb axles (please verify that)....
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  • How To Determine the Correct Replacement Trailer Leaf Springs For Your Trailer
  • For new leaf springs for your 2019 Grand Design Solitude 5th Wheel you'll need to know the axle capacity and measure the leaf springs to find the correct replacement. I've attached some diagrams below for both double-eye and slipper spring style leaf springs. I'll need measurement A for both spring types. For example, If you had a 5k axle capacity and a 30" eyelet to eyelet measurement on a double-eye leaf spring then you could use part # UG34FR. If you can get me some more info on what...
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  • Will The MORryde Wet Bolt Kit Fit a 2014 Grand Design Solitude 5TH Wheel?
  • You will need to select either the MORryde Suspension Upgrade Kit for 2-1/4" Shackles # MR58ZR or 3-1/8" Shackles # MR98ZR. Both kits will fit with the Correct Track and Equa-Flex suspension upgrades on your 2014 Grand Design Solitude 5th wheel but you will need to verify the length of your shackles to ensure correct fitment. This is important as if you get a different length strap it will change your ride height and may risk your suspension components hitting your frame. The strap lengths...
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  • Is the Furrion A/C part # FR42PV Comptible with my 2016 Solitude 375RE by Grand Design
  • If your 2016 Grand Design Solitude 375RE currently uses the Dometic Brisk A/C unit the # FR42PV will work out perfectly for you and will utilize all of your current wiring, thermostat and ducting in your camper.
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  • Correct Bearings and Seals for a 2022 Grand Design Solitude 390RK
  • The correct bearings and seals for a 2022 Grand Design Solitude 390RK are as follows: Inner Bearing: part # 25580 Outer Bearing: part # 02475 Grease Seal: part # GS-2125DL (2.125") Grease Seal: part # GS-2250DL (2.250")
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  • Which Backup Camera Do I Need With 2020 Grand Design Solitude Fifth Wheel
  • Your 2020 Grand Design Solitude is pre-wired for the Furrion Vision S Backup Camera system with night vision # FOS05TASF that comes with a 5" display screen. You could also use Furrion Vision S Wireless RV Observation Camera System w/ Side Marker Light Cameras # FCE48TASL-05 as well which is the same system, but it comes with blind spot side marker lights with built in cameras.
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  • Does the Valterra EZ Valve Electric Waste Valve Require Routine Maintence?
  • The Valterra EZ Valve Electric Waste Valve for RV Black Water Tank item # E40B-8 may benefit from being installed up in your enclosed underbelly with the Valterra ABS Solvent Cement item # A05-0303 to help prevent the sewer pipes from freezing if you camp when the weather is cold. This will also protect the valve from damage caused by road debris while you are driving. Other than that there are no suggested routine maintenance schedules to follow. You will definitely want to keep the motor...
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  • Is The Height Adjustment Kit For MORrdye Sliding Cargo Tray Needed In A 2022 Grand Design Solitude
  • The tray of the MORryde RV Cargo Sliding Tray # MR93FR has a 1.57" clearance so you will need the Height Adjustment Kit # MR34VR if the cargo compartment lip in your 2022 Grand Design Solitude 390RK-R Fifth Wheel Trailer is taller.
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  • Determining The Correct Entry Door Lock For A 2021 Grand Design Solitude M3550BH
  • Manufacturers do not list the parts they use so to determine the correct replacement for your entry door lock we'll need to know the cutout hole size. To find this you're simply need to remove the back mounting plate of your current lock and that will allow you to see and measure the cutout hole. For example, the Bauer Products Camper Door Lock # BA54FR you referenced requires a cutout hole 2-3/4" wide x 3-3/4" tall and that the door is 1-1/4" to 1-1/2" thick. I've attached a video below...
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  • RV and Trailer Roof Vent Covers Compatible With Mounting Flanges on MaxxFan and MaxxFan Plus Fans
  • Yes, the MaxxAir II RV and Trailer Roof Vent Cover w/ EZClip In White # MA76JR, Black # MA86JR and Smoke # MA26JR will attach to the mounting tabs already found on MaxxFan and MaxxFan Plus roof vents. You may not be able to fully open the roof vent with these covers and the MaxxFan roof vents. For the lid on the MaxxFan and MaxxFan Plus roof vents to fully open you will want to use the MaxxAir FanMate RV and Trailer Roof Vent Cover in White # MA00-955001, Black # MA00-955002 or Smoke #...
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