Oxygen Sensor 8M2003959 for Mercury MerCruiser 5.0 5.7 8.1 8.2 4.5 4.3 (1990–2023)

Includes: - Oxygen Sensor

Fits Models: - Mercury MerCruiser

Model Years: - 1990–2023

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

Engine Options: - 5.0L V8, 5.7L V8, 8.1L V8, 8.2L V8, 4.5L V6, 4.3L V6

Description: This Oxygen Sensor 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 oxygen sensors - Improves fuel efficiency and reduces emissions - Durable construction for marine environments - Bolt-on installation with no modifications required - Compatible with multiple engine configurations

Part Number: 8M2003959