SEAL-CRANKSHAFT-OIL-SERVICE (P/N lw-11997) - New Surplus

The lw-11997 is an elastomeric split crankshaft oil seal for Lycoming aircraft engines. This seal retains engine oil at the crankshaft nose section, minimizing leakage during normal engine operation. Constructed from elastomeric material, the split design allows installation without removing the crankshaft.

It serves as an alternative to solid seal LW-13792 during crankshaft oil-seal service. Installation requires following applicable Lycoming Service Instructions and engine maintenance manual procedures. Verify correct part number in your engine's Illustrated Parts Catalog before ordering.

What is the SEAL-CRANKSHAFT-OIL-SERVICE (P/N lw-11997)?

The lw-11997 is an elastomeric split crankshaft oil seal for Lycoming aircraft engines. This seal retains engine oil at the crankshaft nose section, minimizing leakage during normal engine operation.

What material is the lw-11997 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-CRANKSHAFT-OIL-SERVICE meets aviation specifications for its intended use. Contact us for specific material data.

Can I order the lw-11997 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-11997.

What is the shelf life of the lw-11997?

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-11997.