Strebzaeroparts

Quantity: One (1)
Item: Aircraft Engine Piston (Standard Size)
Brand / Manufacturer: Superior Air Parts
Country of Manufacture: Brazil
Part Number / MPN: SL13623
Size Specification: Standard (STD)
Weight: 912g (Actual weight stamped on the face of the piston dome and verified on a gram scale)
Visual Appearance: New Old Stock (NOS) condition from bulk surplus inventory. Piston dome, ring grooves, and wrist pin bores are clean. This item is not in its original packaging. Please inspect all high-resolution listing photos closely to verify the exact cosmetic details.
Bench Test: Weight-verified and visually checked. Offered strictly as an uninstalled NOS component.

This listing is for one (1) "New Old Stock" genuine Superior Air Parts standard size piston as described above. Because this is a surplus engine component without original packaging history, it is listed explicitly **for parts or not working** with no implicit guarantee of ultimate service life or specific reparability.

• General Catalog Reference: Historically associated with Lycoming O-235-K, L, M series, N2C, P1, P2C, and P3C engine models featuring an 8.50:1 compression ratio.
• Service Letter L87-03 B Notice: Associated with interchangeable sets matching Textron Lycoming part number LW-18729 guidelines. Due to weight variations, different configuration parts should not be mixed within the same engine crankcase layout.
• TBO Specification: Service documentation indicates this layout matches the configuration required for the established 2,400-hour recommended Time Between Overhaul (TBO) period on eligible O-235 powerplants.

Notice to Installer: All provided application details are for general reference purposes only. The seller assumes no liability for specific airframe eligibility or part-number compatibility statements. The installing A&P/IA assumes sole responsibility for verifying part numbers, weights, and fleet compliance against the appropriate aircraft documentation prior to installation.

If you require additional O-235 pistons, one factory genuine Lycoming LW13623 piston and one additional Superior Air Parts SL13623 piston are currently available within my other store listings. Combined shipping is available.

• Domestic: Shipped via rapid USPS Priority Mail with tracking. Engine pistons are insulated to prevent face or skirt scuffing during transit.
• International: Handled through the eBay International Shipping program.
• Handling Time: Ships within two business days (typically next business day). Tracking updates automatically upon shipment.

This item is sold strictly as-is. The seller does not provide formal aviation airworthiness documentation (such as FAA Form 8130-3 tags). Final determination for airworthiness, flight safety, and airframe eligibility rests entirely with the purchasing party and their installing FAA-certified A&P mechanic or IA. Due to the nature of aviation surplus, all sales are final.

Clear photos are provided so you can inspect the crown stamps and lands visually before buying. If you have technical questions or require a specific ring-groove measurement, please send a message prior to purchase.

Thanks for looking, David.
Strebzaeroparts — Serving the aviation community since 2001.