Parts for R3866SR — Roadmaster

We found 26 parts confirmed to fit the Roadmaster R3866SR.

Compatibility table

All 26 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
HH5206DBridge2 models— · Amazon
PP7498DCrank Cart4 models$18.99 · Amazon
PP7701DShft Cable4 models$4.99 · Amazon
092612DFront Wheel7 models$33.49 · Amazon
PP7704DRear Brake7 models$13.99 · Amazon
PP7631DBrake8 models$22.49 · Amazon
JJ0185DGrip8 models$6.99 · Amazon
PP4010DHandlebar8 models$23.99 · Amazon
HH6661DREAR BOLT 35 MM8 models$2.16 · Amazon
PP8364DDerailleur10 models$30.49 · Amazon
HH0060DStand10 models$23.49 · Amazon
045034Wheel10 models$40.99 · Amazon
STD833040Metric Hex Bolt11 models$2.16 · Amazon
PP8569DRoadmaster Link Wire11 models$2.49 · Amazon
PP7467DSprocket A11 models$56.99 · Amazon
PP5007DQr Seat Pn15 models$6.99 · Amazon
PP7750DShifter Ca15 models$4.99 · Amazon
PP7788DShifter Ca15 models$4.99 · Amazon
HH4309DCable Guide Screw17 models$2.16 · Amazon
034005Lifestyler Seat Pin18 models$6.99 · Amazon
PP7492DRear Sproc30 models$26.99 · Amazon
305107DFront Refl32 models$2.29 · Amazon
NN0357DTire,26"x2.033 models$16.49 · Amazon
305108DRear Refle36 models$2.29 · Amazon
584243501Husqvarna Lawn Tractor Blade Engagement Cable95 models$42.95 · Amazon
DC6200344ADryer Front Panel Air Seal204 models$71.24 · Amazon

Prices shown are an informational reference range only, not an offer or an Amazon price — RepairKitHub does not sell parts directly. Each part links to an Amazon search so you can compare current listings yourself.

Common failure areas on this model

The confirmed parts above group into a handful of failure areas. Here is what each points to and how to check it before you order anything.

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Parts in this group on R3866SR: HH5206D (Bridge), PP7498D (Crank Cart), PP7701D (Shft Cable), 092612D (Front Wheel), PP7704D (Rear Brake), PP7631D (Brake), JJ0185D (Grip), HH6661D (REAR BOLT 35 MM), PP8364D (Derailleur), HH0060D (Stand), 045034 (Wheel), STD833040 (Metric Hex Bolt), PP8569D (Roadmaster Link Wire), PP7467D (Sprocket A), PP5007D (Qr Seat Pn), PP7750D (Shifter Ca), PP7788D (Shifter Ca), 034005 (Lifestyler Seat Pin), PP7492D (Rear Sproc), 305107D (Front Refl), NN0357D (Tire,26"x2.0), 305108D (Rear Refle), 584243501 (Husqvarna Lawn Tractor Blade Engagement Cable).

Storage, trim and cosmetic hardware

Symptom: A cracked shelf, broken door bin, worn hinge, or missing trim piece -- cosmetic and storage wear rather than a functional breakdown.

Check: Match the physical dimensions and mounting tabs of the old part before ordering; these pieces are often model-specific even between visually similar models.

Parts in this group on R3866SR: PP4010D (Handlebar), HH4309D (Cable Guide Screw), DC6200344A (Dryer Front Panel Air Seal).

Before you buy

Match R3866SR exactly against the model and serial plate on the appliance itself before ordering anything — a single mismatched character can point to a different production run with different parts. Then check the part number printed or stamped on the part you are replacing against the part numbers in the table above; the printed number is the most reliable way to confirm fitment when a model has gone through multiple production runs. RepairKitHub does not sell parts directly — every part link above routes to an Amazon search for that part number so you can compare current listings and sellers yourself.

How to confirm this is your model

Check inside a door opening, on a back or side panel, or behind a removable panel or drawer for a label printed with the model and serial number. Match every character exactly, including letters and dashes at the end — appliance model numbers often have similar prefixes but different suffixes for different production runs.

Still not sure?

Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.