Volvo Penta Thermostat 82°C D5A D7A TAD 20450736
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The Volvo Penta Thermostat 20450736 is a genuine OEM engine cooling thermostat used in compatible Volvo Penta D5/D7 and industrial engine cooling systems. It regulates coolant temperature by controlling flow through the cooling circuit, helping the engine reach and maintain proper operating temperature.
Key Features
- Genuine Volvo Penta thermostat
- Part number: 20450736
- Opening temperature reference: 82–83°C
- Cooling-system thermostat for compatible Volvo Penta engines
- Helps maintain correct engine operating temperature
- Supports proper warm-up, cooling control, and engine efficiency
- Commonly associated with Volvo Penta D5A, D7A/D7C, TD420VE, TAD420VE, TAD620VE, TAD650VE, TAD660VE, TAD750VE, and TAD760VE applications
Engine Compatibility
Commonly shown for Volvo Penta engine families including D5A-B TA, D5A-T, D5A-TA, D7A-B TA, D7A-T, D7A-TA, D7C-B TA, D7C-TA, TD420VE, TAD420VE, TAD620VE, TAD650VE, TAD660VE, TAD750VE, and TAD760VE.
Serial Number Fitment Notice
Thermostat fitment should be confirmed by engine model and serial number before ordering. Volvo Penta cooling-system parts can vary by engine version, production range, and thermostat housing arrangement.
When This Part Needs Replacement
Replace the thermostat if the engine runs too cold, overheats, warms up slowly, has unstable temperature, shows cooling-system fault symptoms, or if the thermostat is being removed during cooling-system service and shows corrosion, sticking, or seal wear.
Installation Notes
Install according to the Volvo Penta service procedure for the specific engine. Drain coolant as required, clean the thermostat housing surfaces, replace related seals or gaskets when required, refill with the correct coolant mixture, bleed air from the system, and verify operating temperature after service.
Alternate/Superseded Part Numbers
Related references include:
- 20450736
- REC20450736 — aftermarket replacement reference
Parts Desk Insight
A thermostat is a small part, but it has a big effect on engine temperature control. Matching by serial number is important because similar Volvo Penta D5/D7 cooling systems can use different thermostat arrangements depending on engine version.
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
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