The Lycoming O-320 Engine Comprehensive Gasket and Seal Kit (P/N 901209K1) is an essential collection of sealing components designed for the maintenance, repair, and overhaul of Lycoming O-320, IO-320, and LIO-320 series aircraft engines. This kit provides the necessary gaskets, seals, and O-rings required to restore the integrity of critical engine interfaces, preventing fluid leaks and maintaining internal pressures after disassembly for inspection, repair, or major overhaul procedures. It plays a vital role in ensuring the reliable and efficient operation of the engine, protecting against oil, fuel, and air leaks that could compromise performance and safety.
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: 901209K1
- Part#: 901209K1
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. We are an independent reseller through authorized distribution; we do not claim direct dealer or authorized-representative status for any brand. The part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
