The SL73818 accessory housing gasket is an aircraft engine sealing gasket used at the interface of the accessory housing and crankcase. It provides an oil-tight and pressure-stable seal between mating surfaces in the accessory case area, preventing oil leakage while maintaining correct alignment and sealing integrity.

It is used in Continental-compatible engine configurations depending on model application and is installed during accessory housing installation, maintenance, or overhaul procedures.

Key features include:

PMA accessory housing gasket
Oil-resistant gasket material (fiber / composite type depending on revision)
Provides sealing between accessory housing and engine crankcase
Prevents oil leakage and pressure loss in accessory section
Designed for high vibration and thermal cycling environments
Precision-cut for correct alignment and fitment
Compatible with Continental piston engine configurations (IPC-dependent use)
Used in engine accessory case assembly and overhaul procedures
Aviation-grade sealing component for certified engine maintenance
Replaceable consumable gasket in engine rebuild work