Match the part number, measurements and connection points that apply to your trailer.
| Part Number | Match the number stamped on the original bearing or seal. |
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| Dimensions | Measure the mating surfaces when a number is unavailable. |
| Hub / Axle | Use capacity as context, not as the only fitment check. |
This post-2003 UFP DB35 style hub rotor kit is an all-in-one rebuild solution engineered for 3,500 to 4,200 lb trailer axles equipped with 5-lug straight spindles. Designed specifically for marine environments, the kit features a 5-on-4.5" disc brake hub rotor (42082U), premium double-lip marine seals (32373), and dual 1.378" ID bearings (L68149) to deliver maximum corrosion resistance and smooth highway performance. Complete with an SN813K spindle end hardware kit, a 2.328" lube cap with rubber plug, and 1/2"-20 coned lug nuts, this fully assembled kit provides everything needed for a fast, hassle-free brake and bearing replacement.
Affordable Pricing
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Fast Shipping
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Fitment Help
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| ✓ | 5 on 4.5 bolt pattern |
| ✓ | Vented to help shed heat |
| ✓ | Will accept 13-15" wheels |
| ✓ | Up to 4200 pound capacity |
| ✓ | 17.0 MM minimum rotor thickness |
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R&P Knowledge Hub
This kit is commonly used on RANGER boat trailers
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Selected from R&P customer feedback for Bearing / Seal products and related trailer service.
“I've ordered lots of trailer repair parts from them, always fast service, well packed, and the right parts. I highly recommend.”
“Would like to say thanks to everyone at R and P Carriages parts were delivered fast and with the very helpful staff, the right parts were sent the first time. Thanks Happy Holiday's.”
“Received swivel d-ring tie down 4 days after my wife ordered them , great price and came with backing plates. I received exactly what I paid for, thanks for the great service. Chris Davis , Mooresville NC”
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