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

O.S. ENGINES CRANKSHAFT 12TZ(P)-T5
Price:
NZD$33.92
Brand:
O.S. Engine
Model:
OS21532010
GTIN:
4531028138476
Condition:
Brand New
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Overview of the 12TZ Series Crankshaft

This O.S. Engine crankshaft OS21532010 is supplied as a direct replacement component for RC-scale model engines carrying the 12TZ(P)-T5 designation. The explanation highlights correct installation practice, fit verification, and the crankshaft's role in maintaining engine balance during tuning and service.

The part is described as an OEM-authorized spare for small glow or model internal-combustion engine assemblies in RC kits, forming the central rotating assembly interface with bearings and seals. When fitting the crankshaft, confirm bearing seating, keep assembly areas free from contamination, and verify smooth rotation before completing reassembly.

Specifications

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

Intended as a service replacement for compatible 12TZ engines, this crankshaft aids routine overhauls and tuning; confirm the model code and inspect all bearings during installation to maintain reliable operation.

How do I verify this crank matches my engine's specification?

Check the engine's stamped or printed model code and consult the official parts list for the 12TZ(P)-T5 entry; matching that code to OS21532010 confirms correct selection.

What checks ensure long-term durability after fitting?

Ensure bearings are new or in excellent condition, tighten fasteners to correct torque, and perform a static balance check when possible to reduce vibration and extend life.

Is any machining or modification required?

No machining should be necessary for a correctly listed OS21532010 part; if fit issues appear, re-check the engine model code and inspect mounting faces rather than altering the crankshaft.

Does the manufacturer recommend replacing other parts at the same time?

Manufacturers typically advise replacing bearings and any worn seals when fitting a new crankshaft to ensure correct running clearances and prevent premature failures.

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