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Expert Answers about Forest River Sabre Fifth Wheel


  • 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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  • 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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  • Recommended Trailair Air Ride Pin Box to Replace a 1621 Pin Box
  • Thanks for the pictures! I just spoke with my rep at Lippert and your Forest River Sabre has a 1621 pin box with a 15,500 lbs capacity. The Trailair Air Ride 5th Wheel Pin Box item # LC158778 you were looking at is exactly what you need. I have linked a review video below. Please feel free to email me back with any questions.
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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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  • How to Find a Replacement Clearance Light For A 2020 Forest River Sabre 5th Wheel
  • In order to determine the correct replacment clearance light for your 2020 Forest River Sabre 5th Wheel, I am going to need to know a few things first. I would first need to know what shape the lens is; i.e., square, rectangle, oval, etc. Then, I would need to know what the current lens you're replacing measures. For instance, the Replacement Amber Lens for Optronics MC32 or MCL32 Series Clearance or Side Marker Trailer Lights # A32AB you're looking at is rectangular and measures 4" long...
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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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  • 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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  • 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 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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  • 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 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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  • 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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  • 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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