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Expert Answers about Grand Design Solitude Fifth Wheel


  • Does The Dometic Full-Timer RV Toilet Come With A Gasket And How Does It Flush
  • The Dometic Full-Timer RV Toilet # DOM87FR has multiple holes around the rim of the bowl that will flush down and it comes with a gasket/seal so you won't have to purchase one separately. I've attached an video where David will walk you through the steps of installing your new Dometic Full-Timer RV Toilet.
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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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  • Replacement Pin Box Compatible with the Demco Autoslide
  • The first thing you need to do is figure out what pin box you have. I have attached an article that helps you figure out how to find what pin box you have. I know you said you have a Lippert pin box, but that should also be accompanied by a number, such as 1621. The Lippert 1621 is one of the more popular pin boxes. The Trailair Air Ride 5th Wheel Pin Box # LC158778 is a great upgrade option for your pin box. It is made in the USA and replaces the standard pin box on your 5th-wheel trailer...
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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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  • Does Gen-Y Hitch Gooseneck Trailer Hitch Impact Ride Quality
  • The Gen-Y Hitch Gooseneck Trailer Hitch for GM OEM Puck Systems # GY73XR will not impact the ride quality even though it has a 5" offset. It will be the same as using a standard gooseneck ball since the weight is carried at the same location in the shank so you won't notice a difference.
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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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  • Parts Needed To Use A Portable Macerator On A Black Tank Waste Valve
  • The bayonet part of the Flo-Jet macerator is going to connect to your 3" black tank waste valve as the input and use a 3/4" garden hose connection as the output so you wouldn't need the EZ Coupler 4-in-1 Threaded RV Sewer Adapter # F02-3112CL or the Valterra Gray Water Drain Adapter # T1020-5VP. You would just need your black tank waste valve to have a bayonet fitting for the macerator to attach to like the # T50A has. If you are unsure if your waste valve has a bayonet fitting you can...
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  • Does Lippert Tandem Axle Equa-Flex AP Kit Have Extra Wet Bolts
  • There are not extra wet bolts with the Lippert Tandem Axle Equa-Flex AP Kit # LC64FR. Three are for hanging the leaf springs and equalizer one one side, and the other three will be for the other side. If your leaf springs don't attach to hangers with wet bolts you can replace the nylon bushings in the springs with Bronze Bushings # K71-291-00 and use the wet bolts that come with this kit, or you can not use those wet bolts and just use standard Shackle Bolt # 166081.
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  • Determining Which Reese Goose Box Fits 2021 Grand Design Solitude 380 5th Wheel Camper
  • I would be happy to help you determine the correct Reese Goose Box for your 2021 Grand Design Solitude 380 5th Wheel Camper, but you will need to confirm which model pin box your trailer currently has installed as we do not have a breakdown of the specific components for your trailer. To do this you will need to find the white sticker on your pin box that has four digits such as 1118 or 1621. If you cannot find the sticker then just send me a picture of sticker on your pin box that has...
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  • Compatibility of Roadmaster RM-2470 Comfort Ride Shock Absorbers with Disc Brake Equipped 8K Axle
  • The Roadmaster # RM-2470 Comfort Ride Shock Absorbers for Tandem Axle Trailers aren't an RV specific item, they're designed for 8K axles with a 3-1/2 inch diameter axle tube with leaf spring suspensions. It will be compatible with disc brakes. If your axles meet those parameters, the Roadmaster # RM-2470 will work great for you. The linked video explains how the system works, but we don't have an install video at this time. I have linked to the installation instructions, which I hope...
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  • Self Adjusting Brakes For a 7,000LB Dexter Axle On a 2020 Grand Design Solitude 375 5TH Wheel Camper
  • Yes, the TruRyde Electric Trailer Brake Kit # TRU96FR will fit the 7,000lb Dexter axles on your 2020 Grand Design Solitude 375. We do also have the Dexter Nev-R-Adjust Electric Trailer Brake Kit # 23-464-465 if you prefer to keep the axle components all from one manufacturer.
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  • Wet Bolt Kits For a 2020 Grand Design Solitude 375 5TH Wheel With MORryde Equalizers
  • For your 2020 Grand Design Solitude 375 5th wheel camper you will first need to verify the length of your current shackle straps. These straps are measured from center of bolt hole to center of bolt hole. The MORryde Suspension Upgrade Kit is available in either a 2-1/4" Strap Kit # MR46ZR or a 3-1/8" Strap Kit # MR76ZR. This kit is designed to work with the MORryde Shock Absorbing Suspension Equalizers # MR27ZR which are included on your Solitude. Both kits include the necessary bronze...
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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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  • 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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  • 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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  • How To Determine The Correct Replacement RV Entry Door Lock For Your RV
  • If you're wanting to swap out your RV entry door lock then you'll need to first remove the inside portion of your current lock so that you can get access to the cutout hole. You can then measure the height and width of the hole to pick the correct replacement. The Global Link # GL55VR you were looking at requires a 3-3/4" tall x 2-3/4" wide cutout hole, which is pretty standard sizing for most trailers.
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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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  • Does JR Products Automatic Changeover RV LP Gas Regulator Have Back Check Valves
  • Yes, the JR Products Automatic Changeover RV LP Gas Regulator part # 37207-30395 has back check valves in the inverted flare fittings.
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  • Parts Needed To Connect A Macerator Hose To A Dump Station Waste Drain
  • Thanks for the clarification, yes, the EZ Coupler 4-in-1 Threaded RV Sewer Adapter # F02-3112CL and Valterra Gray Water Drain Adapter # T1020-5VP will be compatible with each other and allow you easily, and cleanly, dump from your macerator to the drain. I went out to the warehouse and grabbed these items to show you them connected together.
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  • Will Kodiak Disc Brake 13" Rotor Kit Fit etrailer 7K Easy Grease Idler Hud Assembly
  • Yes, the Kodiak Disc Brake Kit - 13" Rotor - 8 on 6-1/2 - E-Coat - 9/16" Bolts - 7,200-lb Dexter # K2R729DE will fit perfect with the 1-9/16" studs on the Easy Grease Trailer Idler Hub Assembly for 7K Axles - 8 on 6-1/2 # AKIHUB-865-7-1-EZ-K as the length would be measured for the exposed part of the stud. Attached are some installation and review videos for you to check out.
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