Engine Coolant Thermostat with Housing Assembly 16031-31011 for Toyota Land Cruiser Prado 4000 Lexus GRJ120
$13.72
Shop the 16031-31011 Engine Coolant Thermostat for Toyota Land Cruiser Prado 4000 and Lexus GRJ120. Durable OE replacement for optimal engine temperature.
3000 in stock
Description
Key Selling Points
- Perfect Fitment: Designed as a direct replacement for OE part 16031-31011, specifically compatible with Toyota Land Cruiser Prado 4000 and Lexus GRJ120 series.
- Engine Temperature Regulation: Ensures optimal operating temperature by controlling coolant flow, preventing engine overheating and improving fuel efficiency.
- Durable Construction: Manufactured with high-grade alloy and heat-resistant seals to withstand extreme temperature fluctuations and resist corrosion.
- OEM Quality Standards: Engineered to meet or exceed original equipment manufacturer specifications for reliable performance and long-lasting service life.
- Easy Installation: Features precise mounting holes and a pre-assembled housing unit for a straightforward bolt-on installation to minimize downtime.
Technical Specifications
| OEM Part Number | 16031-31011 |
|---|---|
| Material | Aluminum Housing / Stainless Steel Wax Element |
| Compatible Engine | Toyota 4.0L V6 (1GR-FE) |
| Placement on Vehicle | Engine Cooling System |
| Fitment Type | Direct Replacement |
FAQ Q&A
Q: Does this thermostat come with the gasket or seal?
A: Yes, this assembly is designed as a complete unit and typically includes the necessary integrated seal or gasket required for a leak-free installation.
Q: What are the symptoms that I need to replace this part?
A: Common signs include engine overheating, an erratic temperature gauge, coolant leaks around the housing, or a heater that fails to produce warm air.
Q: Is this part compatible with the Toyota Prado 4000 1GR-FE engine?
A: Absolutely. This part 16031-31011 is specifically engineered for the 4.0L V6 engine (1GR-FE) found in the Toyota Prado GRJ120 and compatible Lexus models.





Additional information
| Weight | 0.45 kg |
|---|---|
| Dimensions | 15 × 12 × 10 cm |
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