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SEAT VALVE (P/N lw10077) - New Surplus

P/N: lw10077

Category: Reciprocating Engine Parts

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In Stock (2 available)
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Available Inventory

Condition Stock
New Surplus 2 Available

Product Description

The lw10077 is an upper valve spring seat for Lycoming O-360 engine cylinder head assemblies. This steel component locates and supports the valve spring, maintaining proper alignment and seating force in the valvetrain. The seat positions the spring coil concentrically on the valve stem to ensure consistent spring pressure during engine operation.

Installation requires following current Lycoming Overhaul Manual specifications and verifying application in the engine Illustrated Parts Catalog. Critical for proper valve operation and engine performance.

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 SEAT VALVE (P/N lw10077)?

The lw10077 is an upper valve spring seat for Lycoming O-360 engine cylinder head assemblies. This steel component locates and supports the valve spring, maintaining proper alignment and seating force in the valvetrain.

What certifications or documentation come with the lw10077?

Depending on condition, the lw10077 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 lw10077 during an engine overhaul or annual inspection?

Yes, the SEAT 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 lw10077?

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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