SEAL (P/N 646678) - New Surplus
P/N: 646678
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 | 6 Available |
Product Description
The 646678 is an intake valve guide seal for Continental piston engines. This elastomeric seal controls oil at the intake valve stem and guide interface, preventing oil migration into the combustion chamber while maintaining proper valve operation. Installed in the cylinder head at the intake guide location, the seal requires installation per Continental maintenance or overhaul manual specifications.
Verify applicability in your engine's Illustrated Parts Catalog before ordering, as Continental supplies this component under OEM part numbering.
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 646678)?
The 646678 is an intake valve guide seal for Continental piston engines. This elastomeric seal controls oil at the intake valve stem and guide interface, preventing oil migration into the combustion chamber while maintaining proper valve operation.
What material is the 646678 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 646678 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 646678.
What is the shelf life of the 646678?
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 646678.
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