BD5 Series Aluminium Drive Cup Upgrade for MRTC-BD7/BD8 - Yokomo BD-501GC  [BD-501GC]

Yokomo BD-501GC Aluminum Drive Cup of Gear Diff for BD7
Price:
NZD$16.45
Brand:
Yokomo
Model:
BD-501GC
GTIN:
3888
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Or you may find similar product under the
Spares / Hop-ups - Yokomo - BD7 category
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Durability and material notes for BD5 drive cup

The Yokomo BD-501GC is an aluminium replacement drive cup offered as an aftermarket spare for BD5 series gear differentials, intended for scale RC use. Its construction provides a tougher contact surface that helps reduce wear on the mating components while keeping the diff's internal layout unchanged.

Because the part is aluminium, it is chosen to deliver a longer service life compared with softer materials, making it suitable when a worn drive cup is discovered during maintenance or when preparing a chassis for extended running sessions.

Refer to the chassis list below for explicit model support and confirm correct part selection against your car's documentation prior to fitment.

Compatible Models

  • MRTC-BD715B
  • MRTC-BD715O
  • MRTC-BD715S
  • MRTC-BD716
  • MRTC-BD716H
  • MRTC-BD716O
  • MRTC-BD716S
  • MRTC-BD7RS3S
  • MRTC-BD8
  • MRTC-BD8A
  • MRTC-BD8-P
  • MRTC-BD8AP
  • MRTC-BD8SV
  • MRTC-BD818A
  • MRTC-BD818
  • MRTC-BD7RS
  • MRTC-BD7RS2
Remark :
Due to limited stock availability, please notice that some Yokomo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

How does aluminium change wear patterns?

Aluminium provides a harder contact face versus typical plastics, which shifts wear away from the cup and onto parts with similar hardness; monitor mating surfaces and replace as needed to avoid accelerated wear elsewhere.

Is this suitable for high-mileage use?

Yes. The BD-501GC is intended for extended service life compared with softer materials, but schedule regular inspections to watch for contact wear on adjoining components.

Do I need special lubrication with aluminium cups?

Use the recommended grease for your differential assembly and avoid abrasive compounds; correct lubrication reduces friction and helps the aluminium cup perform reliably over time.

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