3887780 Thermostat | Genuine Volvo Penta Part
3887780 Thermostat | Genuine Volvo Penta Part
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Available from Volvo Penta international
Typically reaches our store in 10–14 business days
Availability checked daily with Volvo Penta
✓ Authorised Volvo Penta Dealer · Genuine Volvo Penta parts · Ships Australia-wide
🔧 Product Description
Genuine Volvo Penta thermostat from the Cooling System group, weighing 0.399 kg.
⚙️ Key Features
- 0.399 kg
- Cooling System group
- Genuine Volvo Penta thermostat
🔌 Function
Holds coolant in the engine until it reaches working temperature, then opens to let it pass to the heat exchanger, regulating running temperature in both directions.
⚠️ Common Signs of Failure
- Engine slow to warm or never reaching normal temperature
- Overheating while the top hose stays cool
- Temperature gauge swinging up and down
- Thermostat stuck open or closed when tested in hot water
- Coolant loss following an overheating cycle
🛠️ Service Notes
- Renew the thermostat seal or gasket at the same time and refill slowly so no air is trapped
- No opening temperature is published against this number, so read the marking stamped on the old unit before fitting
🔄 Supersession & Cross Reference
Other-Brand OEM Numbers
- Mahle: THD 3 76
Aftermarket / Verified Equivalents
- Calorstat by Vernet: THS18201.76
- Calorstat by Vernet: THCT18201.76
- DT Spare Parts: 2.15640
- Febi Bilstein: 40673
- NRF: 725438
- Auger: 91254
- Sampa: 036.056
📦 Condition
- Genuine Volvo Penta part
- Brand new
- Supplied in original or equivalent packaging
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
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