P/N: 643767p020
Category: Valves & Actuators
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 2 Available |
The 643767p020 is a bronze valve guide for aircraft reciprocating engine cylinder heads. This component supports the valve stem during operation while conducting heat away from the valve into the cylinder head structure. Bronze and iron alloy construction provides wear resistance and maintains precise stem clearance under thermal cycling.
Installed during engine overhaul or cylinder replacement to preserve valve alignment and sealing integrity. Size and installation follow engine manufacturer specifications and FAA AC 43.13-1B guidance.
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.
The 643767p020 is a bronze valve guide for aircraft reciprocating engine cylinder heads. This component supports the valve stem during operation while conducting heat away from the valve into the cylinder head structure.
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 VALVE GUIDE against your aircraft maintenance manual for fluid compatibility.
Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The VALVE GUIDE is available in: New Surplus. Contact us for test documentation on your selected condition.
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.