Oxygen Sensor 8M2003959 For Mercury MerCruiser 5.0 5.7 8.1 8.2 4.5 4.3 350 MAG

Includes:
- Oxygen Sensor 8M2003959

Fits Models:
- Mercury MerCruiser

Model Years:
- 1990–2023

Submodels:
- Common trims include 5.0, 5.7, 8.1, 8.2, 4.5, 4.3, 350 MAG

Engine Options:
- Common engine sizes include 4.3L, 5.0L, 5.7L, 8.1L, 8.2L, 4.5L, 350 MAG

Description:
This Oxygen Sensor 8M2003959 is designed for use with Mercury MerCruiser engines, ensuring optimal performance and emissions control. It is compatible with a range of engine sizes from 4.3L to 8.2L, making it a versatile choice for various marine applications.

Features:
- Direct replacement for factory-installed sensors
- Enhances engine efficiency and reduces emissions
- Durable construction for marine environments
- Easy installation with no modifications required
- Compatible with multiple MerCruiser engine models

Part Number: 8M2003959