A-B1691299-AI LOCK-PISTON PIN
A-B1691299-AI LOCK-PISTON PIN
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One New Aftermarket Replacement Lock-Piston Pin Fits Briggs and Stratton (Fits Briggs & Fits Stratton) Small Engines
This aftermarket replacement piston pin lock (also called a wrist pin lock or piston pin retainer) secures the piston pin within the piston pin Fits Boss, preventing lateral movement of the pin during engine operation. It is an internal engine component used during piston, connecting rod, or piston pin service on Fits Briggs & Fits Stratton small engines commonly found in lawn mowers, riding tractors, generators, pressure washers, and other outdoor power equipment.
Piston pin locks must be replaced any time a piston pin is removed and reinstalled. Always verify compatibility with your specific Fits Briggs & Fits Stratton engine model and type number before ordering, as multiple piston pin lock part numbers are used across the Fits Briggs & Fits Stratton engine line.
Replaces Part Number(s):
691299, B1691299-AI
New aftermarket replacement part - not remanufactured, not used.



