SEAL - New Surplus
P/N: sl-76940-b
Category: Seals
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 20 Available |
Product Description
The sl-76940-b is a crankshaft oil seal for Lycoming O-320 series piston engines. This elastomeric seal installs at the front crankshaft assembly to retain engine oil and prevent contamination from entering the engine compartment. An FAA-PMA replacement for OEM part 76940, it matches Superior Air Parts' SL76940 family specifications.
Proper installation requires verification of engine eligibility through the aircraft's Illustrated Parts Catalog and adherence to Lycoming maintenance manual procedures. Essential for maintaining oil system integrity in general aviation aircraft powered by O-320 engines.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the SEAL (P/N sl-76940-b)?
The sl-76940-b is a crankshaft oil seal for Lycoming O-320 series piston engines. This elastomeric seal installs at the front crankshaft assembly to retain engine oil and prevent contamination from entering the engine compartment.
What material is the sl-76940-b 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 meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the sl-76940-b 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 sl-76940-b.
What is the shelf life of the sl-76940-b?
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 sl-76940-b.