Replacement Lower Bulkhead for TRF421X (42391) - Tamiya 3451583  [3451583]

Price:
NZD$0.00
Brand:
Tamiya
Model:
3451583
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Structural purpose and fitment details

This Tamiya replacement lower bulkhead is an RC-scale spare intended to fit the TRF421X homologation series using original reference 42391. It provides the structural mounting for lower suspension points and helps retain drivetrain pieces within the chassis envelope. The wording emphasises compatibility and service use rather than promotional claims.

When servicing a TRF421X-based touring car, this lower bulkhead is a typical replaceable item after impacts or wear. Confirm the 42391 identifier and check alignment at suspension pick-up points before applying final torque to fasteners. Accurate fit aids repeatable chassis geometry and predictable handling.

Original Name

Lower Bulkhead: 42391 TRF421X

The component is designed as a service spare for road use; durability depends on impact severity and driving conditions. Inspect after collisions and replace if cracks or deformation are visible.
It will tolerate routine knocks, but repeated heavy impacts will compromise the mount points. Replace the bulkhead if suspension geometry appears altered or if mounting holes are elongated.
Yes. Check adjacent gearbox, driveshafts and suspension mounts for signs of wear or damage that may have occurred during the event that damaged the bulkhead.
The listing references 42391 for TRF421X models. Always compare the reference and mounting points on your existing chassis before purchasing to ensure compatibility.

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