Answer
Apr 20, 2026 - 10:42 AM
Il a rien qui précise « boîte Rhino », mais elle mesure 12 po de large, avec deux rangées de trous espacées de 7 7/8 po (horizontalement) et de 2 po (verticalement).
J`,AI UNE ATTACHE SUR MA FIFTH WHEEL RHINO BOX S/N : S008706322 LCI ITEM NUMBER:2021123420 RPO-0008098519 Fifth Wheel Trailer Hitch Pin Box; King Pin Coupler
JE VEUX SAVOIR SI L,ATTCHE ULT35-946203 S,INSTALLE SUR MA FIFTH WHEEL MERCI
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Open Apr 18, 2026 - 04:30 AM
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Fifth Wheel Trailer Hitch Pin Box; King Pin Coupler
Fifth Wheel Trailer Hitch Pin Box; King Pin Coupler - Ultra Fab 35-946203 The beauty and reliability of the Trailair air ride systems is their simplicity. The air ride pin box acts as a buffer, arresting the transfer of road impact between the tow vehicle and the coach to produce smooth, stabilized ...
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More Questions We've Answered Related to This Product
We’ve provided several answers to questions related to Fifth Wheel Trailer Hitch Pin Box; King Pin Coupler , see some other helpful Q&A related to this product.
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Question: Will this Ultra-Fab Trailair 35-946203 fit my FS306RLXL topaz fifth wheel trailer?
Answer:
Fitment will depend on the existing pin box model and bolt pattern currently installed on your FS306RLXL Topaz fifth wheel. Unfortunately, we can’t confirm compatibility by trailer model alone because manufacturers may use different Lippert pin boxes on the same RV model/year.
To verify fitment, we would need:
- The existing pin box manufacturer/model number (commonly found on a sticker or plate on the pin box itself)
- Or a photo of the current pin box label
Most commonly, these are replacement for L05 Lippert 1621 5th wheel pin with a 2 row bolt pattern:
- Horizontal Mounting Bolt Spacing: 7-7/8 Inch
- Vertical Mounting Bolt Spacing: 2 Inch
View More Product Details
Fifth Wheel Trailer Hitch Pin Box; King Pin Coupler
Fifth Wheel Trailer Hitch Pin Box; King Pin Coupler - Ultra Fab 35-946203 The beauty and reliability of the Trailair air ride systems is their simplicity. The air ride pin box acts as a buffer, arresting the transfer of road impact between the tow vehicle and the coach to produce smooth, stabilized ...
See More
View Details
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