SPACER (P/N 74655) - New Surplus

Part 74655 is a Lycoming engine spacer designed to maintain precise exhaust manifold alignment at the cylinder flange. This OEM component preserves critical clearance between the exhaust stack attachment points on applicable Lycoming engines. Installation requires following the Lycoming IPC and maintenance manual specifications, including correct torque sequencing and proper gasket stack-up for your engine model.

The spacer ensures proper exhaust system geometry and prevents misalignment that could compromise seal integrity or cause vibration issues.

What is the SPACER (P/N 74655)?

Part 74655 is a Lycoming engine spacer designed to maintain precise exhaust manifold alignment at the cylinder flange. This OEM component preserves critical clearance between the exhaust stack attachment points on applicable Lycoming engines.

Does the 74655 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The SPACER conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.

What material is the 74655 manufactured from?

Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the 74655.

Can I order the 74655 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The SPACER is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.