LAZER ZX7.5 Diff Housing Replacement Kyosho LA402-01  [KY-LA402-01]

Kyosho LA402-01 - Diff. Gear Case Set (ZX7.5)
Price:
AUD$26.57
Brand:
Kyosho
Model:
KY-LA402-01
GTIN:
4548565523986
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $21.16 each $10.83 or 20%
3+ $20.10 each $19.42 or 24%
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Service and tuning focus for the ZX7.5 case

The LA402-01 Diff. Gear Case Set from Kyosho is a replacement housing intended for the LAZER ZX7.5 differential assembly. It locates internal bevel gears and supports bearings, offering a direct replacement for the ZX7.5 diff components to retain predictable drivetrain geometry.

Ensure this is the correct case for your ZX7.5 chassis before starting work. Installation requires gearbox disassembly, careful transfer of gears and bearings into the new shell, and verification of mesh and clearances upon reassembly. Standard hex drivers and steady technique are usually enough; precise bearing seating will minimise noise and wear.

While the housing does not change internal gear ratios, its role in serviceability and tuning is significant: stable bearing support and uniform fastener torque lead to consistent differential feel. Inspect mating surfaces, tighten fasteners evenly, and perform incremental test runs to dial in diff response after fitting.
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 this case affect diff feel while driving?

Indirectly. The case itself does not change gear ratios, but improved bearing support and accurate mesh from a correctly fitted housing can stabilise differential behavior and make tuning more consistent.

How often should I inspect the case after installation?

Check fastener torque and bearing condition after the first few runs, then include the diff housing in regular maintenance intervals to spot wear or loosening bolts early.

Can I use different internal gears with this case?

Yes, as long as the gears are compatible with the LAZER ZX7.5 diff internals and fit correctly in the LA402-01 shell. Always verify gear dimensions and mesh when substituting components.

What checks improve tuning consistency?

Maintain even fastener torque, clean bearings and correct backlash, then run measured tests to note how the diff behaves before and after any setup changes.

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