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Expert Answers about Forest River Sabre Fifth Wheel


  • 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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  • 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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  • 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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  • 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 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • Trailair Air Ride 5th Wheel Pin Box For A Lippert 1116 Pin Box On A2019 Forest River Sabre 5th Wheel
  • Sure thing and thanks for the pictures! I spoke with Lippert, and they were able to identify your current pin box on your 2019 Forest River Sabre 5th Wheel as a Lippert 1116 pin box. With that being said, I recommend taking a look at the: - Trailair Air Ride 5th Wheel Pin Box # LC155943 will work perfectly as a direct replacement/upgrade for your current pin box. This pin box is rated for a 21K maximum weight capacity, and will improve the handling and limit the strain on your truck...
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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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  • Troubleshooting Signal Issues With A Furrion Vision S RV Camera System
  • If there's ever an issue with the signal on a Furrion camera system is almost always comes down to lack of power. Plugging in your # FOS43TASF to the monitor cable is giving you a direct 12 volts to the camera whereas when installed on the trailer the truck's 7-way isn't providing enough power to the running light circuit. If you have a newer truck with PWM wiring (like most 2020+ GM trucks) then your camera is getting pulsing power instead of a constant and can't form a connection to the...
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  • Recommended Replacement Gen-Y Pin Box for a Lippert 1621 HD Pin Box
  • Hey Ronald, I went ahead and cross-referenced with Lippert and it looks like you have a 1621HD pin box so the Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box # GY46FR will work as a replacement.
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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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  • Determining If Road Armor Shock Absorbing Equalizers LC696740 Fit 2021 Forest River Sabre 5th Wheel
  • I would be happy to help you determine if the Road Armor Shock Absorbing Equalizers # LC696740 you were looking at will fit your 2021 Forest River Sabre 36BHQ, but this is not information that we have on hand so you will need to measure your current equalizers. The # LC696740 measure 6" center to center of the horizontal mounting holes so as long as that matches your current equalizers this would be a great upgrade option for you. These equalizers are designed for 3500-8000lb axles so...
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  • Does Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers Fit Specific Trailers
  • The Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers # K71-359-00 is not designed to work with any specific trailer and we have no way to verify any type of fitment though it is very likely to work fine. Your 2019 Forest River Sabre fifth wheel would need to have 33" axle spacing and 1-3/4" wide double-eye leaf springs (as opposed to slipper springs).
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  • Hitch Cover For B&W Patriot 18K Slider 5th-Wheel Hitch
  • Your B&W # BWRVK3270 5th-Wheel hitch has a footprint measuring, 31-3/4" wide x 33-1/2" deep. You could use the Reese # RP30055 hitch cover that only covers the head of the hitch, or the Classic Accessories # CA80116 hitch cover that measures 24" x 24" x 18" which would cover most of your hitch. Unfortunately, there is not a cover custom made for the B&W hitch.
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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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  • 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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