SEAL-SHROUD TUBE (P/N LW-18661) - New Surplus

The LW-18661 is a rubber packing seal designed for Lycoming engine pushrod shroud tubes. This OEM component forms an oil-tight interface at shroud tube ends, preventing oil leakage from the engine's pushrod housing area. Used on Lycoming IO-390 series engines and other Lycoming engine families.

Installation follows the Lycoming engine maintenance manual specifications. Verify applicability in your engine's parts catalog before ordering, as shroud tube seal compatibility varies by engine model and configuration.

What is the SEAL-SHROUD TUBE (P/N LW-18661)?

The LW-18661 is a rubber packing seal designed for Lycoming engine pushrod shroud tubes. This OEM component forms an oil-tight interface at shroud tube ends, preventing oil leakage from the engine's pushrod housing area.

What material is the LW-18661 made from?

Aircraft seals and O-rings are manufactured from various elastomers including nitrile (Buna-N), fluorocarbon (Viton), silicone, and PTFE depending on the application. The SEAL-SHROUD TUBE meets aviation specifications for its intended use. Contact us for specific material data.

Can I order the LW-18661 in bulk quantities?

Yes, we stock seals and gaskets in quantity and offer bulk pricing. Submit a Request for Quote (RFQ) for volume orders, or call (904) 998-9101 for immediate quantity availability on the LW-18661.

What is the shelf life of the LW-18661?

Elastomeric seals have manufacturer-specified shelf lives that vary by material and storage conditions. We follow industry standards for cure date tracking and proper climate-controlled storage. Contact us for shelf life details on the LW-18661.