Yokomo B9-503GHA BD9 38T Pulley and Differential Case  [B9-503GHA]

Yokomo B9-503GHA 38T Pulley/Diff Case for BD9
Price:
NZD$17.76
Brand:
Yokomo
Model:
B9-503GHA
GTIN:
0639342204717
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $25.89 each $-16.25 or -46%
3+ $22.35 each $-13.77 or -26%
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BD9 Diff Case and 38T Pulley for Consistent Drive

The Yokomo B9-503GHA matches the BD9 platform with a robust differential case and a precisely cut 38T pulley to keep drivetrain behaviour predictable. Designed for regular track use, it helps extend component life and reduce unwanted slop in the gears.

Compatible Chassis List

This differential case supports a wide range of chassis models, including the MRTC-BD8SV, MRTC-BD818A, MRTC-BD818, MRTC-BD919, MRTC-BD919S, MRTC-BD10, MRTC-BD10FF, MRTC-BD11-1, MSR-BD11, MRTC-BD11US, MRTC-BD11A-1, MSR-010FE, MSR-010FEA, MSR-BD12, MSR-BD12A, MSR-BDFWD, MSR-010, and MSR-010A. This versatility makes it an ideal choice for those looking to maintain or upgrade their RC vehicles efficiently.
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.

Is the unit straightforward to fit into a BD9?

Yes, it is a direct-replacement part for compatible BD9 variants; basic tools and a clean workspace are all you need for the swap.

What maintenance should I perform?

Periodically check gear teeth and pulley alignment, clear debris, and refresh diff grease or oil to maintain consistent operation.

Which driving conditions suit this part?

It is ideal for smooth surfaces and club tracks where precise gear engagement matters; adjust diff setup to match grip levels and driving style.

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