Kyosho IF403B MP9 Differential Case Set Front & Rear  [KY-IF403B]

Kyosho IF403B - Differential Case Set (F&R/MP9)
Price:
NZD$13.61
Brand:
Kyosho
Model:
KY-IF403B
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $11.89 each $3.45 or 13%
3+ $11.30 each $6.93 or 17%
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Replacement Kyosho IF403B Case for MP9 Series

The Kyosho IF403B Differential Case Set provides a reliable replacement option for INFERNO MP9 family models such as MP9, MP9e and GT3. It contributes to smoother drive characteristics and more consistent traction on mixed surfaces.

Compatibility and Role

This set is engineered for installation at both the front and rear differentials of MP9 variants, making it an easy-fit spare for routine maintenance. Fitting the correct case helps sustain proper gear engagement and drivetrain response.
Remark :
Due to limited stock availability, please notice that some Kyosho 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.

Does the IF403B require any modification to fit?

No modification is normally required. The IF403B is produced to match MP9 series dimensions so it fits into the stock differential locations.

Should I replace both front and rear cases at once?

It is good practice to inspect both ends. If one side shows wear or damage, consider replacing both to maintain balanced handling and reduce uneven wear.

Can I use aftermarket differential parts with this case?

Aftermarket internals that conform to MP9 diff dimensions should work, but confirm compatibility with gears and bearings before assembly to avoid fit issues.

What routine checks keep the diff in good shape?

Regularly inspect for play, clean any dressing or grime, and check diff oil condition. Replace seals and case parts when leaks or excessive wear appear.

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