Skip to product information
Usually ships in 2–4 business days.
Thermostat Housing for OMC Volvo Penta V6 V8 3850360 0987716 0985880 0986292
$340.99
Sale price
$340.99
Regular price
Available to Order
This Thermostat Housing is a replacement part compatible with OMC Volvo Penta V6 and V8 engines and matches OEM Part# 3850360, 0987716, 0985880, 0986292.
Need help finding the right part? Talk with a parts expert today.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
This thermostat housing is a direct-fit replacement for select OMC and Volvo Penta V6 and V8 marine engines. It regulates engine coolant flow to maintain proper operating temperature, ensuring reliable performance on the water. Designed for boat owners and marine mechanics, this housing restores the cooling system function and prevents overheating.
Key Features & Performance
- Precision-cast aluminum construction for corrosion resistance in marine environments
- Includes mounting points and sealing surfaces designed to OEM specifications
- Direct bolt-on replacement for multiple OEM part numbers
- Helps maintain optimal engine temperature for fuel efficiency and longevity
- Compatible with both fresh and saltwater cooling systems
Fitment & Compatibility
- OMC V6 and V8 marine engines (select models)
- Volvo Penta V6 and V8 marine engines (select models)
- Replaces OEM Part# 3850360, 0987716, 0985880, 0986292
Common Uses
- Replacing a cracked or corroded thermostat housing on inboard or sterndrive engines
- Repairing cooling system leaks caused by worn housing gaskets or plastic components
- Restoring overheating engines by ensuring proper thermostat operation
- As a maintenance item during major engine service or winterization
Technical Specifications
- Material: Cast aluminum
- Engine Types: V6 and V8 gasoline marine engines
- Part Number(s): 3850360, 0987716, 0985880, 0986292
Frequently Asked Questions
Q: Does this thermostat housing come with a gasket? A: The housing is sold without a gasket; we recommend purchasing a new gasket separately to ensure a proper seal.
Q: Will this fit a Volvo Penta 4.3 GL? A: This housing is designed for V6 and V8 models; please verify your engine serial number against OEM part numbers listed to confirm fitment.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.