GUIDE VALVE (P/N 643766) - New Surplus
P/N: 643766
Category: Valves & Actuators
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 hydraulic fluid type is the 643766 compatible with?
Hydraulic component compatibility depends on the aircraft system design. Common aviation hydraulic fluids include MIL-PRF-5606 (mineral-based), MIL-PRF-83282 (synthetic), and Skydrol (phosphate ester). Verify the GUIDE VALVE against your aircraft maintenance manual for fluid compatibility.
Does the 643766 come pressure-tested and certified?
Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The GUIDE VALVE is available in: New Surplus. Contact us for test documentation on your selected condition.
What is the turnaround time for hydraulic component orders?
In-stock hydraulic components ship same business day before 3 PM EST. We provide 24/7 AOG support at (904) 998-9101 for urgent hydraulic system needs. RFQ submissions are typically quoted within 24 hours.
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