Pay in 4 interest-free payments of $6.39 Learn more
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
This kit serves as a direct replacement for multiple part numbers
You can also verify by matching the OEM part numbers (3850496
worn-out exhaust flapper and its grommets
start the engine and confirm a strong
8M2003959 Oxygen Sensor for Mercruiser 3.0L 4.3L 4.5L 5.0L 5.7L 6.2L 8.1L 8.2L | JLM Marine family-yamaha-30elry This kit serves as aOxygen Sensor for Mercruiser 3. 0L 4. 3L 4. 5L 5. 0L 5. 7L 6. 2L 8. 1L 8. 2L OEM 8M2003959 This aftermarket oxygen sensor is engineered to replace OEM part number 8M2003959 for a wide range of Mercruiser sterndrive and inboard engines. It delivers reliable exhaust monitoring and fuel management across 3. 0L, 4. 3L, 4. 5L, 5. 0L, 5. 7L, 6. 2L, 8. 1L, and 8. 2L engine families, ensuring accurate air fuel ratio feedback for optimal performance and
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