SHAFT, ROCKER VALVE (P/N SL13790A (PMA)) - New Surplus
P/N: SL13790A (PMA)
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 | 4 Available |
Product Description
The SL13790A is a steel rocker valve shaft for Lycoming piston engines, serving as the support structure for rocker arms on the cylinder head. This FAA-PMA part actuates intake and exhaust valves through mechanical linkage from the camshaft. Compatible with Lycoming 320/360/540-series engines as a direct alternate to the OEM LW-13790 shaft.
Installation requires verification of engine eligibility via the Illustrated Parts Catalog and compliance with engine maintenance manual torque specifications. Steel construction provides durability in high-temperature, high-stress valve train environments.
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 SHAFT, ROCKER VALVE (P/N SL13790A (PMA))?
The SL13790A is a steel rocker valve shaft for Lycoming piston engines, serving as the support structure for rocker arms on the cylinder head. This FAA-PMA part actuates intake and exhaust valves through mechanical linkage from the camshaft.
What hydraulic fluid type is the SL13790A (PMA) 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 SHAFT, ROCKER VALVE against your aircraft maintenance manual for fluid compatibility.
Does the SL13790A (PMA) come pressure-tested and certified?
Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The SHAFT, ROCKER 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.