Engine Coolant Thermostat Assembly with Housing for Toyota Land Cruiser Prado GRJ120 4.0L 1GR-FE, OE 16031-31011
$13.72
Shop the high-quality Engine Coolant Thermostat Assembly 16031-31011 for Toyota Land Cruiser Prado GRJ120. Optimized for 4.0L 1GR-FE engines for reliable cooling.
5555 in stock
Description
Key Selling Points
- Perfect Vehicle Compatibility: Specifically designed for Toyota Land Cruiser Prado GRJ120 and other models equipped with the 4.0L 1GR-FE V6 engine.
- Complete Housing Assembly: This unit includes both the thermostat and the protective housing (shell), ensuring a leak-free seal and simplified installation process.
- Precise Temperature Control: Engineered to open and close at exact factory-specified temperatures to prevent engine overheating and optimize fuel efficiency.
- Durable OEM Construction: Manufactured with high-grade alloy and heat-resistant polymers to withstand extreme cooling system pressures and thermal cycling.
- Direct Replacement: Built to match OE 16031-31011 and 16031-31010 specifications for a precise 'bolt-on' fit without requiring any modifications to the cooling system.
Technical Specifications
| Part Number | 16031-31011 / 16031-31010 |
|---|---|
| Engine Compatibility | Toyota 1GR-FE 4.0L V6 |
| Material | Cast Aluminum / High-Temp Resin |
| Component Type | Thermostat & Housing Assembly |
| Operating Temperature | OE Standard (82°C/180°F) |
FAQ Q&A
Q: Is the gasket or seal included with this thermostat housing?
A: Yes, this thermostat assembly comes with the pre-installed seal/gasket to ensure a secure, leak-proof connection to the engine block during installation.
Q: Does this fit the 4.0L V6 engine in the Land Cruiser Prado?
A: Absolutely. It is specifically engineered for the 1GR-FE 4.0L V6 engine found in the Prado GRJ120 series and matches OEM part numbers 16031-31011 and 16031-31010.
Q: What are the symptoms that I need to replace this part?
A: Common signs include engine overheating, a dashboard temperature gauge reading unusually high or low, coolant leaks around the housing, or poor heater performance.







Additional information
| Weight | 0.8 kg |
|---|---|
| Dimensions | 15 × 12 × 10 cm |
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