PLUG-2.00 DIA EXPANSION (P/N std1211) - New Surplus, As Removed

The std1211 is a 2.00-inch diameter expansion plug that seals the front crankshaft bore on Lycoming opposed piston engines. This steel plug compresses into the crankshaft opening to create an airtight seal in the engine block. Installation requires following Lycoming Service Instruction 1583 and the engine Overhaul Manual to ensure proper fit and compression.

Verify the correct bore diameter in your aircraft's Illustrated Parts Catalog before installation. Essential for crankshaft group assembly and engine integrity.

What is the PLUG-2.00 DIA EXPANSION (P/N std1211)?

The std1211 is a 2. 00-inch diameter expansion plug that seals the front crankshaft bore on Lycoming opposed piston engines.

Is the std1211 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The PLUG-2.00 DIA EXPANSION is available in: New Surplus, As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the std1211 come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the std1211?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.