Exhaust Water Shutter Assembly – Fits MerCruiser Diesel 3.0L, 3.6L, 4.2L Engines (Replaces 807166A3) 120-300HP the impeller should be replaced

the impeller should be replaced immediately to prevent engine damage

Features a manual

not a multi-groove serpentine belt

V6 130+ 2-Stroke 1979 & Up 391538 Johnson/Evinrude V4 130 2-Stroke 1994–2000 5001593 Model 25 Johnson/Evinrude V4 135 2-Stroke 2001 5001593 Model 25 Johnson/Evinrude V4

Exhaust Water Shutter Assembly – Fits MerCruiser Diesel 3.0L, 3.6L, 4.2L Engines (Replaces 807166A3) 120-300HP the impeller should be replacedProduct Details This Exhaust Water Shutter Assembly is designed for MerCruiser Diesel engines including the 3. 0L, 3. 6L, and 4. 2L series models manufactured between 1992 and 1995. It features a butterfly style water flapper design that provides a direct fit replacement for the exhaust Y pipe, preventing water from entering the engine through the exhaust. It serves as a direct replacement for Mercury Marine 807166A3, Sierra 18 2732 9, and GLM 89170.