Mini 4WD Precision 6mm Damper Sphere M4WD-04/BK by 3Racing  [M4WD-04/BK]

Tamiya Mini 4WD 6mm Damper Ball (black) - 3RACING M4WD-04/BK
Price:
USD$2.50
Brand:
3Racing
Model:
M4WD-04/BK
Condition:
Brand New
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6mm mass damper sphere for service and rebuild use

The M4WD-04/BK is supplied as a single-piece 6mm damper ball intended for 1/32 Mini 4WD mass damper assemblies that accept a spherical element. Its black finish aids identification during parts handling and rebuilds.

Use this sphere as a direct replacement where the damper mount and retainer are specified for a 6mm element. The description concentrates on mechanical interface, fitment checks, and workshop use rather than on chassis performance adjustments.

Prior to fitment, verify the post diameter, socket clearance, and retainer profile to ensure correct seating. Keep labelled spares for routine maintenance and for predictable rebuilds in club or hobby workshop environments.

 

Product Reviews
1 Reviews
rating
Excellent service, two of the items I purchased were out of stock but was given fair options on refund, store credit or replacement. I opted for replacement as there was a different version available and one of the items did arrive bent and they sent out

How do I confirm socket compatibility for a 6mm ball?

Measure internal socket diameter and compare against 6.00 mm tolerance. Inspect for debris or deformation that would prevent proper seating.

What are the recommended handling steps during replacement?

Use fine pliers and minimal force to extract and seat the sphere, protect posts from bending, and verify smooth rotation in the retainer before reassembly.

Should I inspect the retainer for wear?

Yes. Check retainers for cracks, rounded edges, or play that would affect seating and replace worn retainers to maintain repeatable fit.

Any storage recommendations for spare spheres?

Store spheres in individual compartments or foam inserts to avoid surface marks and label containers with size to speed parts selection during rebuilds.