O.S. Engine OS73300812 8mm Dust Cap Set (3 pcs) — Engine Air Filter Accessory  [OS73300812]

3-Pack 8mm Intake Dust Caps

This O.S. Engine OS73300812 accessory is an R/C-scale dust cap set supplied as three pcs intended for basic intake protection on air filter and intake interfaces. It serves as a maintenance-oriented part to reduce debris ingress around 8mm diameter intake openings commonly found on model engines.

Fit and compatibility are limited to components that accept an 8mm cap profile; confirm the shaft or spigot diameter before fitting. Installation is straightforward and aimed at routine workshop tasks: seat the cap over the intake or filter spigot until it rests flush, then check seating before running the engine. No specialised tools are required unless the installation location uses retaining hardware.

In tuning and servicing workflows, these dust caps act as a simple safeguard during storage, transport, and filter servicing to keep the intake mating surface cleaner and reduce particulate contamination risk during maintenance intervals. They are an expendable accessory for repeated workshop handling and quick pre-run checks.