GUIDE VALVE (P/N 643766) - New Surplus
P/N: 643766
Category: Reciprocating Engine Parts
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 | 1 Available |
Product Description
Part 643766 is an intake valve guide for Continental piston engines. This precision-machined component supports the intake valve stem and maintains critical alignment within the cylinder head, ensuring precise valve clearance control during engine operation. Used on Continental IO-470, IO-520, and GTSIO-520 engines to guide valve motion and prevent stem wear.
Installation requires sizing per the engine overhaul manual and verification in the aircraft Illustrated Parts Catalog. Cross-references to Superior's SA643766-1 replacement.
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 GUIDE VALVE (P/N 643766)?
Part 643766 is an intake valve guide for Continental piston engines. This precision-machined component supports the intake valve stem and maintains critical alignment within the cylinder head, ensuring precise valve clearance control during engine operation.
What certifications or documentation come with the 643766?
Depending on condition, the 643766 may include an FAA 8130-3 Airworthiness Approval Tag, a yellow serviceable tag, or manufacturer documentation. Currently available in: New Surplus. Contact us for specific documentation details on the condition you need.
Can I use the 643766 during an engine overhaul or annual inspection?
Yes, the GUIDE VALVE can be used in engine overhauls and maintenance events. Always verify part compatibility against your engine's Type Certificate Data Sheet (TCDS) and Illustrated Parts Catalog (IPC) before installation.
What is the lead time for the 643766?
In-stock items ship same business day when ordered before 3 PM EST. We also offer 24/7 AOG (Aircraft on Ground) support at (904) 998-9101 for urgent engine part needs.
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