O.S. Engine OS4A401000 Crankcase - Compatible with GGT10 RC Engines  [OS4A401000]

GGT10 Crankcase Overview

This O.S. Engine crankcase is offered as a spare part under model number OS4A401000 for the RC-scale GGT10 series. The summary highlights fitment range, the component's assembly role, and its relevance to maintenance and bench-level tuning without extending beyond the item's identification.

Functionally the crankcase secures internal engine parts and supplies the required mounting surfaces for assembly and inspection. Technicians and enthusiasts performing rebuilds or clearance adjustments will select this part when restoring engine internals.

The installation notes here stay general and align with standard RC practice: match OS4A401000 to your engine parts list, verify bearing seating and mating surfaces, renew gaskets where necessary, and apply correct torque for fasteners. For specific torque figures and bearing types refer to the engine's service manual.

Select the OS4A401000 when you need a like-for-like replacement crankcase for GGT10-pattern RC glow engines, and install correct bearings and seals to recover internal alignment and serviceability.