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Part #: 34711

Gates 34711 Engine Coolant Thermostat

Integrated Housing Thermostat
⚙️ 53 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Integrated Housing Thermostat
🚗Fitment: Lexus, GS450h, IS300, IS350, RC300, RC350, GS350, IS250, and GS300
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Gates Integrated Housing Thermostat 34711

The Gates Integrated Housing Thermostat 34711 is designed to regulate engine temperature efficiently in select Lexus models. This engine coolant thermostat features an integrated housing for streamlined installation and reliable performance in vehicles such as the Lexus GS300, GS350, GS450h, IS250, IS300, IS350, RC300, and RC350.

  • Integrated housing thermostat design for simplified installation
  • Start to open temperature at 82°C (180°F) for precise engine temperature control
  • Outlet outside diameter of 1.485 inches and inside diameter of 1.31 inches
  • Equipped with a jiggle pin weep hole to prevent air lock
  • Three bolt holes for secure mounting
  • Non-electric operation with one seal included
  • OE performance rating, designed to meet original equipment standards

Detailed Product Description

The Gates Integrated Housing Thermostat 34711 is engineered to maintain optimal engine temperature by opening at 82°C (180°F), ensuring efficient coolant flow through the engine. Its integrated housing design combines the thermostat and housing into a single unit, reducing installation complexity and potential leak points. The thermostat features a jiggle pin weep hole, which helps release trapped air from the cooling system, improving coolant circulation and preventing overheating. With three bolt holes and precise outlet diameters (1.485 inches outside, 1.31 inches inside), this part fits securely and aligns with the cooling system specifications of compatible Lexus models.

This thermostat is non-electric and includes one seal, providing a reliable and straightforward replacement option. While it is not an exact OE part, it meets OE performance standards, ensuring dependable operation within the vehicle's cooling system.

About the Integrated Housing Thermostat Product Line

The Gates Integrated Housing Thermostat line combines the thermostat and housing into a single assembly, streamlining the cooling system component and reducing installation time. This design minimizes potential leak points and improves system reliability. The 34711 part number is part of this line, offering a balance of performance and ease of maintenance for Lexus vehicles requiring this specific integrated thermostat housing.

Common Applications and Issues Addressed

  • Regulates engine temperature to prevent overheating
  • Prevents coolant leaks by integrating thermostat and housing
  • Eliminates air pockets in the cooling system with jiggle pin weep hole
  • Ensures proper coolant flow for engine efficiency
  • Replaces faulty or worn thermostats in Lexus GS and IS series, and RC models

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Verify compatibility with Lexus GS300, GS350, GS450h, IS250, IS300, IS350, RC300, and RC350 models
  • Use the included seal and torque bolts to manufacturer specifications for a secure fit
  • Bleed the cooling system after installation to remove trapped air
  • Inspect surrounding hoses and components for wear during replacement

Quality Assurance and Warranty

The Gates Integrated Housing Thermostat 34711 is manufactured to meet OE performance standards, ensuring reliable operation within the vehicle's cooling system. Gates products undergo rigorous quality control to maintain durability and functionality. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship under normal use.

BrandGates
Part Number34711
PositionIntegrated Housing Thermostat
1
Bolt Hole Quantity3
Check ValveNo
ElectricNo
ElectricNo
Jiggle Pin Weep HoleYes
Jiggle Pin/Check ValveYes
Number of Bolt Holes3
Number of Jiggle Pins/Check Valves1
Number of Seals1
OE Comparison RatingOE Performance
OE ExactNo
Outlet Inside Diameter1.31
Outlet Inside Diameter 1 (in)1.31
Outlet Outside Diameter1.485
Outlet Outside Diameter 1 (in)1.485
Start to Open Temperature82
Start to Open Temperature180
Temperature (C)82
TypeIntegrated Housing Thermostat

This part fits 53 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2018LexusGS450h3.5LV6ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018LexusIS3003.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018LexusRC3003.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018LexusRC3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017LexusGS450h3.5LV6ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017LexusIS3003.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017LexusRC3003.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017LexusRC3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016LexusGS450h3.5LV6ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016LexusIS3003.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016LexusRC3003.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016LexusRC3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015LexusGS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015LexusGS450h3.5LV6ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015LexusIS2502.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015LexusRC3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014LexusGS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014LexusGS450h3.5LV6ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014LexusIS2502.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013LexusGS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013LexusGS450h3.5LV6ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013LexusIS2502.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2012LexusIS2502.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2012LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2011LexusGS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2011LexusGS450h3.5LV6ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2011LexusIS2502.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2011LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2010LexusGS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2010LexusGS450h3.5LV6ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2010LexusIS2502.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2010LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2009LexusGS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2009LexusGS450h3.5LV6ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2009LexusIS2502.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2009LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2008LexusGS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2008LexusGS450h3.5LV6ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2008LexusIS2502.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2008LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2007LexusGS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2007LexusGS450h3.5LV6ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2007LexusIS2502.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2007LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2006LexusGS3003.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2006LexusIS2502.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2006LexusIS3503.5LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

16031310203471149408660-1806608086112HT180-066

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.