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Expert Answers about King Pin Locks


  • Available Pin Lock for Yakima Bike Rack
  • I would need to know what model of Yakima rack you have in order to try and find you the correct part; we do not have bolts simply based on size. Yakima makes specific parts for racks so if you could tell me what rack you have I may be able to find you the right bolt.
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  • Replacement Hitch Pin for Yakima King Pin 2 with 1-1/4 Inch Receiver Shank
  • For your old King Pin 2 bike rack with 1-1/4 inch shank, the Replacement Hitch Bolt and Clip for Yakima HoldUp and BigHorn Bike Carriers # Y8890200 is the correct replacement. If you want to have the lock, I recommend adding the Yakima HitchLock for Yakima Hitch Mounted Bike Racks - Same Key System (SKS) # Y07235.
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  • Key Replacement for Tow Ready Locking Hitch Pin #6722686
  • That part number doesn't come up with anything for me other than a patent number for the hitch lock that is a part of the 5th wheel trailer hitch king pin lock which can also be used as a hitch pin lock. Regardless the Tow Ready keys are no longer available so I recommend replacing the locking pin with the Tow Ready Trailer Hitch Receiver Lock for 2-1/2" Hitches - Flush - 3-1/2" Span # TR63252.
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  • Is Replacement Hitch Cup Available for Husky Locking 5th Wheel King Pin Stabilizer
  • The Ultra-Fab Replacement Hitch Cup Assembly # UF19-001056 has the same thread count as the cup that comes with the (discontinued) Husky Locking 5th Wheel King Pin Stabilizer HT75203 but it also has a slightly larger thread diameter as well so it won't fit. I checked with Husky and the hitch cup isn't available as a replacement part so you would need to purchase a whole new stabilizer kit. I recommend the Ultra-Fab # UF19-950200 since it does have a replaceable hitch cup (the one that...
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  • Is Reese Replacement 16K Head Compatible with Reese Part # 30048
  • I called my contact at Reese and he confirmed that the Reese Replacement 16K Fifth Wheel Head, part # RP58146, is the correct replacement head for the Reese 15K Kwik Slide # 30048 with # 30049 head. The 2-Piece jaw provides excellent jaw-to-king-pin contact.
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  • Are Replacement Keys Available for etrailer.com Trailer Hitch and Coupler Locks
  • We do offer replacement keys for the etrailer.com hitch and coupler locks. You will need to determine the key number from the lock which is usually a zero followed by 2 numbers, then you can search it or ask for help again. If you can't find a key number, you would need to buy a new lock. You can order an extra key with your new lock or have multiple locks keyed alike. .
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  • Replacement Safety Pin for 5th Wheel Handle
  • Please measure the for the proper dimensions, we have several to choose from such as the Curt coupler safety pin with 12" chain a 5/16" pin with zinc finish, # C25034. A 1/4" pin with chain, # 337P11C. A 1/4" pin with lanyard, # 3373004987.
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  • Availability of Sidewinder Pin Box to Replace a Lippert 1116 Pin Box
  • We have a few different pin box options that will allow you to pull your trailer with your 2017 Ram 1500 that has a 5-1/2 foot bed. The Sidewinder options that are direct replacements for your Lippert 1116 pin box only currently come in a 16K Weight Capacity # RP61412. You will just need to verify what weight capacity is needed for your trailer (their should be a weight rating on your current 1116 pin box). This pin box incorporates the use of an enclosed air spring to help absorb shock...
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  • When to Replace a Trailer King Pin Based on DOT Regulations
  • The Fifth Wheel Trailer King Pin # 337KP20050 is 2 inches diameter where the jaws of the 5th wheel hitch will connect. Typically the max wear on a king pin is .080 of an inch with a minimum diameter of 1.920 before manufacturers recommend replacement. DOT says the max wear is .125 of an inch with a minimum diameter of 1.875. I did not find any specs for non-commercial trailer king pin requirements from the Federal Government. You can find all the federal information for commercial...
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  • Replacement King Pin Rebuild Kit Availability
  • I am not sure if there are specialists that can repair your king pin but we do have a variety of replacement king pins for you to choose from. If you check out the linked page you can see options like the Buyers Products # 337KP20038 which is a universal replacement king pin. These do need to be installed by a professional welder.
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  • Replacement King Pin Cup for Ultra-Fab Economy 5th Wheel Tripod Stabilizer, part # UF19-950500
  • UltraFab does offer a replacement King Pin Cup for their Economy 5th Wheel King Pin Tripod Stabilizer, part # UF19-950500. The replacement King Pin Cup part consists of the cup and threaded post, which are one assembly. This product is on our website and the part number is # UF19-001081.
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  • Replacement Air Ride King Pin for Sidewinder Upgrade from Non-Air Ride Model
  • The 5th Airborne Premium 5th Wheel Air Ride King Pin with Sidewinder - No Turret - 16,000 lbs # 5AS16K will be compatible with the Rotating Turret for 5th Airborne and Sidewinder 5th Wheel King Pins # RP61300 as it replaced the ST200 model. Using the Air Ride # 5AS16K you will be able to reuse the turret on your Sidewinder 5th Wheel King Pin with Rotating Turret - 16,000 lbs # RP34FR and upgrade to the air ride suspension you are seeking.
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  • Replacement 5th Airborne King Pin with Sidewinder For Lippert 1716 King Pin
  • It looks like you have a Lippert pin box model 1716 on your trailer. We have just what you are looking for. If you are interested in a Sidewinder I recommend part # RP61412. This is a 5th Airborne Premium Fifth Wheel Air Ride King Pin with Sidewinder. This king pin reduces vertical shock along with moving the pivot point an extra 22 inches toward the rear of the vehicle, making it easier to execute tighter turns.
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  • King Pin Box to Fit Leland AF 7921 Bolt Pattern
  • None of the Reese Goose Box models fit the Leland AF-7921 pin box wings/flanges, but there is another solution. There are only two king pins that fit the Leland bolt pattern, those being the Trailair # UF35-946208 5th wheel kingpin and the Reese # ST400-5AS16K 5th wheel king pin with sidewinder turret. The Trailair is a traditional king pin with an air ride shock which offers a smoother ride, but only traditional limited turning clearance. The Reese 5th wheel moves the rotational point...
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  • Is the Replacement Shock for Trailair Air Ride and Flex Air 5th Wheel King Pins an Exact Replacement
  • The Replacement Shock for Trailair Air Ride and Flex Air 5th Wheel King Pins part # LC177223 is as it appears in our photos. Check out the linked photo from one of our customers that has installed two of them on his king pin.
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  • Replacement Parts For 2003 Demco Kar Kaddy
  • I reached out to Demco and confirmed that the current replacement parts will work on your older 2003 Demco Kar Kaddy. You will need the following: -Replacement King Pin Bushing # DM73VR -Replacement King Pin # DM63VR -Replacement Hub Assembly # DM04369
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  • Replacement Sidewinder Pin Box for Lippert/Trailair Rota-Flex 1116 Pin Box
  • I reached out to my contact at Lippert who said that the current Rota-Flex you have on your 5th wheel trailer is the part # LC176440 which is rated for 19K and pin box number 1116. The correct Sidewinder replacement is part # RP61412 on our site which is rated for 16K. This comes with a universal wedge to lock out the king pin but if you can tell me what 5th wheel hitch you have I can let you know if there are any custom wedges that would offer a better fit. Please also note the attached...
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  • Replacement Yakima Rubber Chain Straps
  • If you're missing the chain straps you can use the Replacement Chain Straps for Yakima Bike Carriers Item # 8890221. If you're missing more parts here are the rest of the replacement parts we carry for the Yakima King Pin 4. Here is the Replacement Tongue for Yakima BigHorn, BuckHorn, or KingPin Bike Racks Item # Y8890203 along with the Replacement Shank and Pivot Hardware for Yakima BigHorn, BuckHorn, KingPin, or SlickRoc Bike Carrier Item # Y8780018.
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  • Why Can the King Pins On the Roadmaster Tow Dolly Not Be Replaced Separately
  • In order to replace the king pins on the Roadmaster Tow Dolly part RM-2000-1 (Discontinued) you must obtain the Replacement Axle Assembly and King Pin Kit for Roadmaster Tow Dolly part # RM-9210071-91 for driver side or part # RM-9210072-92 for passenger side. The reason for this is because as you mentioned the bushing and pins are all pressed together therefore cannot be ordered separately. I wish I had better news for you but this option is still more cost effective than a new tow dolly.
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  • Replacement Pin Box Needed for a Leland Box on a 1999 Jayco
  • The Trailair Air Ride 5th Wheel Pin Box # LC158777 is a direct replacement for the Lippert 1716 pin boxes. Since replacement pin boxes are specific I will need to know what you pin box number is to give you an accurate recommendation. More than likely you will need the Trailair Air Ride 5th Wheel King Pin # UF35-946208 which is a replacement for 7920 and 7921 Leland pin boxes but you need to confirm your box number to verify. If you cannot find a box number then you can simply measure...
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