A-B1590507-AI GASKET SET-VALVE
A-B1590507-AI GASKET SET-VALVE
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One New Aftermarket Replacement Valve Gasket Set Fits Briggs & Fits Stratton Small Engines
This aftermarket replacement valve gasket set seals the intake valve area of Fits Briggs & Fits Stratton (B&S) small engines used in lawn mowers, riding tractors, and other outdoor power equipment. The gasket set prevents air leaks around the valve cover, helping maintain proper compression and engine efficiency. It is designed to replace OEM part number 590507 and is also used as a cross-reference Fits John Deere part number MIA12372.
Compatible Equipment
Fits Briggs & Fits Stratton: Small engines used in lawn mowers, riding tractors, and outdoor power equipment. Verify fitment using your engine model, type, and code numbers stamped on the engine. Compatible equipment brands include Fits Husqvarna and Fits John Deere machines powered by Fits Briggs & Fits Stratton engines.
Note: Fits Briggs & Fits Stratton valve gasket sets are engine-model-specific. Always confirm compatibility by cross-referencing your engine model number before ordering.
Replaces Part Number(s):
590507, A-B1590507-AI
Aftermarket Interchange Numbers
Fits John Deere: MIA12372
New aftermarket replacement part - not remanufactured, not used.



