B&W Trailer Hitches RVB3370 OEM 5th Wheel Hitch Replacement Slider Base

B&W Trailer Hitches RVB3370 OEM 5th Wheel Hitch Replacement Slider Base

$1,356.03 In Stock Sold out




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Universal Replacement Slider Base for OEM 5th Wheel Hitch by B&W Trailer Hitches®. Flex Air„¢ L05 18K Pin Box with Long Tow. Trailair was 1st to the market with air ride technology for fifth-wheel RVs and still leads the way with innovative fifth-wheel pin box technology. New Flex Air Pin Box combines time-tested Trailair air ride technology with Rota-Flex pivoting head to significantly reduce fore to aft movement and vertical tug-of-war between a fifth-wheel RV and tow vehicle. Designed with utmost care and attention to detail this top-notch product by B&W Trailer Hitches ensures safety and years of reliable service. It is made from rigid materials using the latest in technology to provide impeccable quality. When you are on the road, this 'made in America' product will give you the safety and durability you need.


  • Oil Shock - As the air bag absorbs road shock and vibration, the oil shock absorber handles rebound action dampening kickback and controlling chucking
  • Air Ride Technology - integrated air bag acts as a buffer between the tow vehicle and coach to absorb road shock and vibrations that can damage an RV
  • Rubberized Compound - The durable rubberized compound provides an additional buffer to help protect the fifth-wheel RV from jarring motion
  • Pivoting Head - The Heavy Duty pivoting head in its lower jaw controls the fore to aft movement known as chucking
  • Innovative and reliable solutions for your mobile lifestyle
  • Designed to provide you maximum comfort and safety
  • Made to ensure high level of quality and durability

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Shipping and Delivery Times


  • All in-stock products are shipped within one business day. Delivery usually takes 2-5 business days. We have a large number of warehouses in different states which allows us to deliver the orders very fast.





  • Most products are shipped via UPS Ground, FedEx depending on size with some large items shipped by SAIA or others.
  • Once your order ships, tracking details will be emailed to you.



Where’s my order?


  • Good question, when tracking details have been provided that means your order has been processed and shipped. Tracking details usually appear in the shipper’s database within one business day, i.e. UPS and FedEx generally provide point-in-time tracking meaning your order location is updated as it is scans and gets closer to you.  Most orders should arrive within 2-5 business days. Still have an issue with delivery, please contact us to see how we can help.





  • Cancellations are free. Please contact us ASAP if you need to cancel your order.

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