21260062 Thermostat Housing | Genuine Volvo Penta Part
21260062 Thermostat Housing | 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 thermostat housing for the cooling system of the Volvo Penta TAD550GE industrial and generating-set diesel engine. It provides the factory coolant outlet and thermostat seat and is a substantial cast component weighing approximately 3.014 kg.
🚤 Compatibility
Typically suits:
- Volvo Penta TAD550GE
- Volvo Penta TAD551GE
- Volvo Penta TAD750GE
- Volvo Penta TAD751GE
- Volvo Penta TAD750VE
- Volvo Penta TAD760VE
- Engine Family: TAD
⚙️ Key Features
- Confirmed TAD550GE cooling-system application
- Approximate weight: 3.38 kg
- Factory thermostat and coolant-outlet geometry
- Designed for pressurised industrial-engine coolant
- Uses the specified O-ring and outlet components
🔌 Function
The housing supports the thermostat and routes coolant between the engine, bypass and radiator circuits to regulate operating temperature.
⚠️ Common Signs of Failure
- Engine running below normal temperature
- Cracked or corroded casting
- Thermostat not seating correctly
🛠️ Service Notes
- Clean both faces back to bare metal without gouging them, and check the housing and its mating face for corrosion, pitting and distortion before fitting
- Fit a new gasket or seal, and fit the thermostat and its sealing ring the right way round with any vent or jiggle pin positioned as it was originally
- Tighten the bolts evenly in stages to the figures in the workshop manual for your engine; these castings are light and pull out of flat easily
- Check the hoses, clips and any sensor or plug that screws into the housing while it is off, and use sealant only where it is specified
- Fill and vent the system, run the engine to temperature, and confirm the thermostat opens and the joints stay dry
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 21260062 → Supersedes 20818351
OEM / Related Numbers
- 20818351 earlier number superseded by this part
- 20798076 – Related O-ring
- 20450735 – Related coolant outlet
- Thermostat and mounting hardware are selected from the TAD550GE serial-specific cooling diagram
📦 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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