Thermostat Kit For Volvo Penta 4.3 5.0 5.7 350 V6 V8 18-3677, 3856961, 383307

Thermostat Kit for Volvo Penta

This thermostat kit fits Volvo Penta 4.3 5.0 5.7 350 V6 V8 marine engines and replaces OEM part numbers 18-3677, 3856961, and 383307 to regulate engine temperature.

Overview

Designed for Volvo Penta gasoline marine engines including 4.3, 5.0, 5.7, and 350 V6 V8 models, this thermostat kit ensures proper cooling system function. It replaces part numbers 18-3677, 3856961, and 383307 to maintain optimal engine temperature during operation.

Built For Performance

• Precision thermostat opens at correct temperature for consistent cooling
• Includes gasket and housing components for a complete replacement
• Corrosion-resistant materials suited for marine environments
• Direct fit for Volvo Penta 4.3 5.0 5.7 350 V6 V8 engines
• Ensures reliable engine temperature regulation under load
• OE-style design meets original specifications

Fits These Machines

• for Volvo Penta 4.3
• for Volvo Penta 5.0
• for Volvo Penta 5.7
• for Volvo Penta 350
• for Volvo Penta V6
• for Volvo Penta V8

On-The-Job Use

• Marine engine cooling system maintenance
• Replace worn or stuck thermostats in stern drive and inboard engines
• Ensures proper warm-up and prevents overheating
• Ideal for saltwater and freshwater boating applications

Specs At A Glance

Good To Know

Q: What temperature does this thermostat open at? A: The thermostat is designed to open at 160°F (71°C) to maintain efficient engine operating temperature for Volvo Penta marine engines.

Q: Is the gasket included? A: Yes, the kit includes a new gasket and necessary components for a straightforward installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.