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Expert Answers about Forest River Sabre Fifth Wheel


  • Replacement Bearings and Grease Seal for 7,000 Pound Lippert Axle
  • According to Lippert, the correct bearing kit is the # BK3-200. This includes the # 14125A outer and # 25580 inner bearing, along with the 10-36 grease seal.
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  • What Type of Plug is on Trailer Pre-Wired for Furrion Camera System
  • In regards to the Furrion Vision S Wireless RV Backup Camera System part # FOS43TASF, the male end is on the camera side and the female end is on the trailer side. If the trailer was pre-wired correctly for the Furrion Vision S Wireless RV Backup Camera System it would have a female plug behind the cover which matches up with the male plug on the camera. The plug is actually included with the kit so if you didn't have the correct one you'd simply just wire the one that came with the kit,...
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  • Can The Leafs Of The Replacement Entry Door Hinge # LC198295 Be Rearranged
  • The Replacement Entry Door Hinge for RV # LC198295 isn't designed to allow for changes in the leaf order so you'll unfortunately need to fill in the old holes with some sealant and drill new holes to rivet the hinge in place. We also offer a controlled motion version of this hinge in black # LC95VR if you'd prefer matching the current color.
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  • Determining The Pin Box Bolt Pattern Of The Keystone Montana 3791RD 5th Wheel Trailer
  • Manufacturers do not list the bolt patterns or any part numbers for pretty much anything when it comes to their trailers so you'll need to look for the serial number and RPO number that should be listed on your current pin box and we can use those to determine the bolt pattern. If this sticker is missing or has been painted over then you can determine the bolt pattern with the help of the article I've attached below. This article will have you take some measurements and then gives you...
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  • Does Dexter EZ Flex Equalizer Kit K71-653-00 Come with Bushings
  • The Dexter EZ Flex Equalizer Suspension Kit part # K71-653-00 that you referenced does come with bushings for the brass shackle bolts like you asked about. It comes with everything you'd need like you also asked about.
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  • Hitch Solution for 2019 Forest River Sabre
  • For campers like your 2019 Forest River Sabre the best hitch option is the Curt # 13703 which fits all RV frame styles that are between 22 and 72 inches apart measured from outside to outside.
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  • Recommended LCD Single Zone Thermostat for Dometic RV Air Conditioners
  • To replace your Dometic Thermostat you will want to use the Replacement Single Zone Thermostat for Dometic RV Air Conditioners item # DMC79FR you were looking at. It does indeed control both the furnace and the air conditioner. I have attached a wiring diagram below to help you get it set up.
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  • Picking Out Trailer Leaf Spring for Trailer that Weighs 3,000 lb
  • Usually it's best to go with the leaf spring capacity that matches the axle capacity but if you are sure you'll be a lot under that I would shoot for a little over what it will weigh at max. So if you're going to be at 3,000 lbs max I would shoot for just a little over that like with the 4k springs part # e57SR that you referenced. This wouldn't be too stiff or too soft and would provide you with as good of a ride quality as you can get from trailer suspension. Trailer tongue weight is...
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  • Will Tire Size ST235/80R16 Fit on Demco Spare Tire Carrier # DM15851-76
  • Yes, the Demco Spare Tire Carrier part # DM15851-76 does work great with the tire size ST235/80R16 that you referenced. We had a customer with your exact tire size send us a picture of it carrying the wheel which I attached.
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  • Will The Touch Screen Control Panel # LC83VR Fit A 2021 Forest River Sabre
  • The Replacement Touch Screen Control Panel # LC83VR will fit all of the Lippert OneControl leveling systems. We know that your 2021 Forest River Sabre does have a powered leveling system, but we do not have literature that will tell us exactly what brand and model system you have. The Lippert OneControl systems are very common on 5th wheel campers like yours. Provided you do have the Lippert OneControl leveling system, the # LC83VR will be the correct control panel.
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  • Availability of Lionshead 16 inch Trailer Wheel
  • We do carry the Lionshead Bobcat trailer wheel in the 16 by 6 inch trailer size with the part # LHSO513B.
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  • Determining The Correct Replacement RV Sink For A 2021 Forest River Sabre 37BHT
  • There isn't a guide that lists the parts used on trailers so the only way to determine the best replacement bathroom sink for your 2021 Forest River Sabre 37BHT would be to measure the cutout hole in the counter and find a match. The LaSalle Bristol Single Bowl RV Bathroom Sink # 34416305PWA you were looking at has mounting points 1/4" from the edge so you'd need a 19-1/2" wide x 16-1/2" deep cutout hole in order for this sink to fit. if you can get me the dimensions of your cutout hole...
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  • Reese Goose Box 5th Wheel To Gooseneck Adapter For a 2021.5 Forest River 377FL
  • From the images that I can find on your 2021.5 Forest River Sabre 377FLL it appears that it uses the Lippert 1621 pin box. The Reese Goose Box 5th-Wheel-to-Gooseneck Adapter # RP85FR is the correct replacement for the Lippert 1621 pin box. You can verify that is what you have by the sticker on the pin box itself. If you cannot locate the sticker you can verify the measurements on the bolt holes for the pin box. The 1621 uses a horizontal bolt spacing of 7-7/8" on center and a vertical...
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  • Recommended Replacement For The AC In A 2016 Forest River Sabre 5th Wheel Trailer
  • If you're replacing just the rooftop unit and keeping the air distribution box and thermostat then I recommend going with the Furrion Chill HE Replacement RV Air Conditioner Unit # FR58PR. You'll just want to check the wiring harness that runs from the rooftop unit to the controller to see if it has a 6-pin or 9-pin connector to see if you need a wiring harness adapter. If you have a 9-pin then you'll want # FR42PV instead, since it comes with an adapter included. I've attached a short...
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  • Recommended Backup and Observation Camera System for Forest River Sabre and Add-on LED Strip Lights
  • To start, Forest River is typically wired for Furrion camera systems, so backup camera systems like the Vision S Wireless RV Backup Camera System w/ Night Vision - Rear Mount - 4.3" Screen # FOS43TASF would be the way to go. This system comes with a single camera and a 4.3" monitor. I actually recommend going with the Furrion Vision S Wireless RV Observation Camera System w/ Side Marker Light Cameras - 5" Screen # FCE48TASL-05 which comes with a larger 5" screen and additional cameras that...
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  • How Can I Tell What Pin Box Model Is On My 2019 Forest River Fifth Wheel
  • That is a good question. There is no database we can use to cross-reference and a lot of fifth wheel pin box manufacturers do not include the model on their label. The best way to find out is to have a dealership run your VIN. They should be able to tell you what model pin box the camper was originally equipped with. If that fails, we have a chart that you can use to identify the pin box model. If you take a look at the link below you will find the measurement chart. You can take measurements...
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  • Determining Fitment Of A Curt Flex Air 5th Wheel Pin Box # LC65VR
  • The fitment of pin boxes like the Curt Flex Air 5th Wheel Pin Box # LC65VR are solely based on the bolt pattern for the trailer and not the tow vehicle. This specific pin box is a replacement for Lippert's Rhino Box bolt pattern. To determine what bolt pattern you currently have you can see if there's a sticker somewhere on your current pin box that lists an RPO and serial number on it that we can use to identify the bolt pattern. If your pin box doesn't have this sticker then you can...
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  • Recommended Storage Cover for 2020 Forest River Sabre Fifth Wheel
  • I recommend the Camco UltraGuard 5th Wheel Cover, # CAM45757. This is a UV-resistant, water-resistant cover that is made of polypropylene so it is great for wet climates. Its actual dimensions are 38' long x 110" wide x 114" tall (front) x 104" tall (rear) and has integrated self-adjusting straps to hold the cover securely in place. The heavy-duty zippers provide easy access to doors and storage even with cover in place.
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  • What Rota-Flex Pin Box do You Recommend to Replace my 1621HD Model from Lippert Components
  • I really like the Trailair Rota-Flex 5th Wheel Pin Box part # LC328330. It is a confirmed replacement for your 1621 HD pin box and has an 18,000 lb. weight capacity to cover your GVWR of 17,000lbs. Check out the linked video I made on the Rota-Flex. It was a nice improvement to the ride quality and did a good job of reducing the chucking. Check out the video for footage of it in action to actually see how it works. I like the fact that there is nothing to maintain and that the cushioning...
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  • Is There a Heat Sink Needed for Redarc In-Vehicle BCDC Battery Charger part # 331-BCDC1240D
  • There isn't a heat sink available for the Redarc In-Vehicle BCDC Battery Charger part # 331-BCDC1240D and there isn't really one necessary. It has been tested thoroughly and it does not put off enough heat to require that.
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