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Expert Answers about Forest River Sabre Fifth Wheel


  • 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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  • 5th Wheel to Gooseneck For 2022 Forest River Sabre Cobalt 5th Wheel With Lippert 1621 Pin Box
  • Thanks so much for that info, and yes, because your 2022 Forest River Sabre Cobalt 36BHQ has a Lippert 1621 pin box, the Gen-Y Hitch 5th Wheel to Gooseneck is a fit. The correct part number is the following: - Gen-Y Hitch 5th Wheel to Gooseneck Pin Box # GY58GR Along with the pin box, the only other thing you need are safety chains, part # GY49GR.
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  • Is MORryde or Rota-Flex a Better 1621 Pin Box Replacement?
  • Hey Donald, thanks for reaching out! I recommend using the MORryde Cushioned Pin Box # MR84VR over the Curt Rota-Flex # LC328330 any day because it has better cushioning technology. Back in the day when the Rota-Flex was first released it was top-notch, and while it's still an effective pin box, the MORryde system performs better. The MORryde number I referenced above is for 14K - 18K trailers. If you have a different GVWR then you'll either need part # MR74VR for 11.5K - 14K trailers...
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  • Compatible Replacement For A Coleman Mach 48204C866 15,000 BTU Rooftop Unit
  • Since you're just needing to replace the rooftop unit of your Coleman Mach AC system you can use the Advent Air RV Air Conditioner # ACM150 or the # ACM150B for a black shroud. This unit requires a plug-and-play adapter cable to hook right into your Coleman system for an easy installation, which is # ACCOLKIT. I do however recommend going with the # ACCOL150 ( # ACCOL150B for black shroud) as it is the same unit but includes a start capacitor to jumpstart the AC when camp power or generator...
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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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  • Cushioned Equalizers to Replace EQE1 on 2020 Forest River Sabre
  • Your drawing picture with the dimensions of your equalizer did not make it through but since I can identify the equalizer you have as the part # TREQE1 from the picture that did make it through the best cushioned equalizer we offer that will be a perfect match to what you have now is the part # K71-655-00 which is the EZ Flex system from Dexter. We do have a similar sized Equa Flex part # LC279688 which would work too if this is the system you wanted to stick with.
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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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  • Upgrade Lippert Trailair Roto-Flex pin box
  • I reached out to my contact at LIppert and based on the photo showing two verticle rows of bolt holes he identified your RotoFlex as having a 1621 bolt pattern. The FlexAir replacement with a 1621 pattern is the Lippert # LC369535.
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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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  • 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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  • 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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  • Can I Install A Ladder On The Rear Of My 2021 Forest River Sabre Fifth Wheel
  • Yes, you can install the Surco Universal Exterior RV Ladder w Center Hinges for Contoured Rear Wall - 97" Long - 250 lbs, part # SP501L, on your 2021 Forest River Sabre Fifth Wheel 36BHQ. This is not a custom fit item, so it will require drilling to install. I have included a product description link and a video of this ladder being installed on a travel trailer below.
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  • Recommended MORryde Cushioned Pin Box For A 2021 SABRE Cobalt 32DPT With A 1621 Pin Box Number
  • With the MORryde Cushioned 5th Wheel Pin Box # MR64VR being rated up to 11,500 pounds at the maximum and your loaded 2021 SABRE Cobalt 32DPT weight being 12,355 pounds, which is the weight you should go off when choosing a replacement pin box, I highly recommend going with the MORryde # MR74VR. This one is designed for use on 5th-wheel trailers with a 11,501 pound to 14,000 pound GVWR and will be the better option.
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  • B&W Companion & Tow Ready Base Rail Lock for 5th Wheel Trailer Hitches
  • There is a wide selection available but no one item that is specifically recommended. The Tow Ready Base Rail Lock for 5th Wheel Trailer Hitches is a 1/2" Diameter Pin, # TR63254. You would just need to replace one of the pins on your hitch with the 1/2" diameter lock for added security.
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  • 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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  • Could SumoSprings SS26MV Fit 2021 Forest River Sabre 37FLL
  • I looked up the specs of your 2021 Forest River Sabre 37FLL and it has axles that would fall within the capacity range of the SumoSprings part # SS26MV that you are looking at so this would work well.
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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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  • 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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  • 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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  • 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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