12TZ(P)-T5 Replacement Crankshaft OS21532010 from O.S. Engine  [OS21532010]

O.S. ENGINES CRANKSHAFT 12TZ(P)-T5
Price:
£14.70
Brand:
O.S. Engine
Model:
OS21532010
GTIN:
4531028138476
Condition:
Brand New
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Service Crankshaft for 12TZ Engines

This O.S. Engine crankshaft OS21532010 is provided as a direct replacement for RC-scale model engines listed under the 12TZ(P)-T5 designation. The description concentrates on correct matching, installation checks, and the crank's function in preserving engine running characteristics during servicing.

The item is positioned as an OEM-authorized spare for small glow or model internal-combustion engine assemblies in RC kits, taking care of the crank's rotational and bearing interface duties. When fitting, validate bearing fit, keep the assembly area free of debris, and ensure the shaft rotates freely before completing reassembly to maintain balance and reliability.

Specifications

  • Item: Crankshaft 12TZ(P)-T5
  • Material: Not specified
  • Model Number: OS21532010
  • Compatibility: See model designation 12TZ series

Designed as a direct service replacement for the specified 12TZ engines, this crankshaft assists with regular maintenance and tuning; always verify the 12TZ(P)-T5 code and inspect bearings and seals during installation.

How precise must the model code match be?

Exact matching to the 12TZ(P)-T5 code is important; the OS21532010 is intended for that designation, so verify the engine's model marking or parts list before purchase.

What are the telltale signs of a faulty crankshaft?

Signs include excessive vibration, unusual bearing wear, and play at the crank ends. If you observe these, inspect components and replace bearings or the crankshaft as required.

Should I balance the engine after fitting this part?

Balancing is recommended if you change rotating parts; confirming smooth rotation and performing a static balance check can reduce vibration and protect other engine components.

Who provides the definitive parts reference?

Refer to the engine manufacturer's service manual or official parts catalogue for the 12TZ series and the OS21532010 reference to ensure a correct match before ordering or fitting.

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