Will the PullRite OEX Super 5th Wheel Hitch Work w/ a Curt Helux Pin Box?
Updated 11/01/2026 | Published 10/30/2026
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Question:
Regarding PUL36ZR pullrite oex super 5th wheel hitch, are there any compatability issues using with the Curt Helux pin box?
asked by: David
Expert Reply:
Welcome back David. The PullRite OEX Super 5th Wheel Hitch for Chevy/GM Prep Package item # PUL36ZR does not have any compatibility issues with the Curt Helux Pin Box like item # C65MJ. The Helux uses a standard kingpin connection and the shock absorbing components are contained within the pin box housing so it is fully compatible with the PullRite OEX item # PUL36ZR.
The PullRite OEX item # PUL36ZR is a 25,000 lbs standard 5th wheel hitch that comes with a base that fits the factory puck systems in 2020 and newer GMC Sierra's and Chevy Silverado's. The legs on the base will drop right down into the factory pucks for quick installation and removal.
A really nice perk of the PullRite OEX item # PUL36ZR is the adjustability. You can position the head up to 4" towards your tailgate. This will help with turning clearance if you have a shorter bed truck. The hitch height can also be adjusted from 16-1/4" to 18-3/4".
I recommend using the Curt Lube Plate for 5th Wheel Trailer Hitches item # C16722. The lube plate will completely cover the PullRite OEX item # PUL36ZR head and ensure you have a quiet smooth connection. You'll want to make sure you clean any grease off of the Helux pin box before you install the lube plate.
What kind of 5th wheel trailer do you have? Feel free to answer this and throw in any other questions you have, where it says Add Comment.
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Product Page this Question was Asked From
PullRite OEX Super 5th-Wheel Hitch for Chevy/GM Prep Package - Auto Lock Jaw - 25,000 lbs
- 5th Wheel Hitch
- Fixed 5th Wheel
- OEM - GM
- 6250 lbs Vertical Load
- 25000 lbs GTW
- Double Pivot
- Premium - Single-Hook Jaw
- 16-3/4 - 18-3/4 Inch Tall
- PullRite
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