Engine Cooling Water Inlet Pipe Assembly with Thermostat for Toyota Prado 4.0L 1GR-FE (2004-2009), Replaces 16031-31011
$30.00
Shop the 16031-31011 Water Inlet Pipe Assembly with Thermostat for Toyota Prado 4.0L. Precise fit for 1GR-FE engines, durable design to prevent leaks and overheating.
100 in stock
Description
Key Selling Points
- Perfect Vehicle Compatibility: Specifically engineered for Toyota Prado 2004-2009 models equipped with the 4.0L V6 engine (GRJ120), ensuring a precise fit and reliable performance.
- Integrated Thermostat Solution: This complete assembly includes a pre-installed thermostat, providing a comprehensive repair for your engine's cooling system in one go.
- Durable Construction: Manufactured from high-grade materials resistant to thermal expansion and cooling fluid chemistry, preventing cracks and leaks common in aging units.
- Critical Engine Protection: Maintains optimal engine temperature to prevent overheating, protecting your 1GR-FE engine from costly thermal damage during heavy-duty use.
- Direct OE-Spec Replacement: Designed to match original equipment dimensions and mounting points for a true bolt-on installation, restoring your cooling system to factory efficiency.
Technical Specifications
| Part Type | Water Inlet & Thermostat Assembly |
|---|---|
| OEM Part Number | 16031-31011 |
| Compatible Engine | 4.0L V6 1GR-FE (GRJ120) |
| Main Material | Aluminum and Composite |
| Installation Type | Direct Bolt-on Replacement |
FAQ Q&A
Q: Does this inlet pipe assembly include the thermostat already inside?
A: Yes, this unit is a complete assembly that includes the thermostat pre-installed, offering a direct replacement for part 16031-31011.
Q: Will this fit the 2.7L Prado engine or only the 4.0L?
A: This specific assembly is designed for the 4.0L 1GR-FE V6 engine found in the Prado GRJ120 series. It is not compatible with the 2.7L inline-four engine models.
Q: What are the common symptoms that this part needs replacement?
A: Common signs include coolant leaks near the thermostat housing, engine overheating, or a 'Check Engine' light triggered by inconsistent cooling system temperatures.




Additional information
| Weight | 1.35 kg |
|---|---|
| Dimensions | 25 × 18 × 15 cm |
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