Replacement Crankcase OS4A401000 for GGT10 Glow Engines by O.S. Engine  [OS4A401000]

GGT10 Engine Crankcase Details

This O.S. Engine crankcase is offered as a replacement unit carrying model number OS4A401000 for the GGT10 range of RC glow engines. The description concentrates on fitment, the component's assembly function, and its importance for ongoing maintenance without asserting additional performance claims.

The crankcase secures internal assemblies and supplies the necessary mounting faces during assembly and inspection. Model OS4A401000 is intended for use by hobbyists and workshop technicians when rebuilding an engine after wear or when checking clearances during service.

Installation notes are deliberately general: check the OS4A401000 part number against your engine parts list, inspect mating surfaces and bearing seats before fitting, replace gaskets and seals where needed, and tighten fasteners in stages to the correct patterns. Refer to the engine's published service documentation for exact torque values and bearing recommendations.

Opt for this crankcase when you need a like-for-like replacement for GGT10-pattern RC glow engines, and pair it with the correct bearings and seals to recover proper alignment and longevity.