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R&P GUIDED PARTS TOOL

R&P Running Gear Finder

Find a better starting point for trailer hubs, drums, brakes, bearings, seals, spindles, springs, and suspension hardware.

GUIDED TRAILER PART MATCH

Tell us what you are repairing.

Start with the repair, then narrow the results using the numbers, measurements, and hardware already on the trailer.

Hubs Brakes Bearings Suspension
Choose the closest match. The results will include direct products and the best R&P category when an exact part cannot be confirmed online.
Check the axle tag, trailer VIN plate, or the capacity stamped on the existing components.
Hub and drum parts must match the brake style already on the trailer.
Measure drum inside diameter and shoe width, or read the number on the backing plate.
Count the studs and verify the bolt-circle measurement before ordering a hub or drum.
The bearing number is stamped into the wide edge of the bearing cone.
Do not assume the inner and outer bearings are the same.
Match both seal inside diameter and hub bore. A bearing match does not guarantee a seal match.
Electric and hydraulic backing plates are directional.
Spring length, width, leaf count, axle tube diameter, and hanger spacing still require confirmation.
I cannot identify the numbers Photo and measurement guide

Photograph the axle tag, complete hub or brake assembly, wheel bolt pattern, bearing numbers, seal numbers, spindle, and any casting or Dexter/UFP/AL-KO numbers.

Include the trailer VIN plate, axle capacity, brake size, wheel stud count, and clear caliper measurements whenever possible.

Fitment depends on the complete combination of axle capacity, brake size, bearings, seal, wheel bolt pattern, spindle dimensions, and existing hardware.
01
Read the numbers

Bearing and seal numbers usually provide a stronger match than trailer make or model.

02
Measure the hardware

Brake size, wheel bolt pattern, spindle journals, and spring dimensions must agree.

03
Confirm the complete system

Never replace one component without checking the mating drum, hub, spindle, and brake parts.

Still not sure? R&P can review photos and measurements before you order.