The Lycoming Piston Pin Plug (P/N LW-10191) is a critical internal component within the reciprocating engine's power section, specifically designed to secure the piston pin (also known as the gudgeon pin) within the piston assembly. This small yet vital part prevents axial movement of the piston pin, which connects the piston to the connecting rod, thereby ensuring the integrity of the piston-connecting rod interface during the engine's operational cycles. Its proper function is essential for maintaining the mechanical stability and longevity of the engine's rotating and reciprocating components.
Overview
The piston pin plug, identified as Lycoming P/N LW-10191, plays a pivotal role in the internal combustion process of the Lycoming TIGO-541 series engines. Positioned at the ends of the piston pin, these plugs act as retainers, preventing the piston pin from contacting and potentially scoring the cylinder walls. Without these plugs, the
AI disclosure: this product description and its specifications were generated with AI assistance from the manufacturer's Illustrated Parts Catalog.
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: LW-10191
- Part#: LW-10191
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
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