Thermostat Kit 160° Volvo Penta 3856961 4.3-5.8L
Complete Thermostat Kit 160°F (71°C) for Volvo Penta
High quality thermostat kit that ensures optimal engine temperature for your Volvo Penta marine engine. This complete kit includes thermostat, gasket and O-ring for a professional installation.
Kit Contents
- 1 x Thermostat 160°F (71°C) - OEM 3856961
- 1 x Gasket - OEM 3852111
- 1 x O-ring - OEM 3852071
Product specifications
- Temperature: 160°F / 71°C
- Condition: Brand new original component
- Type: Complete thermostat kit
Replaces OEM number
Volvo Penta:
- 3856961 (Thermostat)
- 3852111 (Gasket)
- 3852071 (O-ring)
Sierra:
- 18-3677
Fits the following Volvo Penta Engines
4.3L Models:
- 4.3L (All Models) 1993-2000
- 4.3LA, B 2001-2002
- 4.3GL, 4.3GS, 4.3Gi
5.0L Models:
- 5.0L FiP, FLP 1993-1996
- 5.0L GiP, GLP 1997-2000
- 5.0L GL, GXi, OSi (A, B) 2001-2003
- 5.0FL, 5.0Fi
5.7L Models:
- 5.7L (All Models) 1993-2000
- 5.7L (All except OSi) 2001-2003
- 5.7GL, 5.7Gi
5.8L Models:
- 5.8L (All Models) 1993-1996
- 5.8FL, 5.8Fi, 5.8FSi
Benefits
- ✓ Complete kit - everything you need for installation
- ✓ Optimal temperature control at 160°F (71°C)
- ✓ Manufactured to OEM specifications
- ✓ Fits V6 and V8 Volvo Penta engines
- ✓ Includes gasket and O-ring
- ✓ Prevents overheating
- ✓ Improves fuel efficiency
- ✓ Extends engine life
Important to Know
The thermostat is a critical component that regulates engine temperature and ensures that the engine operates at optimal temperature. A defective thermostat can lead to overheating or low operating temperatures, which negatively affects engine performance and lifespan.
Recommended replacement: Replace the thermostat regularly as part of preventive maintenance, especially if you notice temperature problems or during major engine service.
Invest in a professional thermostat kit and ensure your Volvo Penta marine engine operates at optimal temperature. This complete kit gives you peace of mind and reliable performance season after season.

