HomeBelts and Cooling > Thermostat and HousingGates 34051 Engine Coolant Thermostat
Part #: 34051

Gates 34051 Engine Coolant Thermostat

Integrated Housing Thermostat
⚙️ 52 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Integrated Housing Thermostat
🚗Fitment: Toyota, 4Runner, Tacoma, FJ Cruiser, and Tundra
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Overview of Gates Integrated Housing Thermostat 34051

The Gates Integrated Housing Thermostat 34051 is engineered for reliable engine temperature regulation in select Toyota models. Designed to maintain optimal coolant flow, this thermostat housing assembly supports efficient engine performance and temperature control.

  • Integrated housing thermostat design with jiggle pin weep hole
  • Start to open temperature at 82°C (180°F)
  • Outlet inside diameter: 1.141 inches; outside diameter: 1.353 inches
  • Three bolt hole mounting for secure installation
  • Compatible with Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra models

Product Line Details: Gates Integrated Housing Thermostat

The Gates Integrated Housing Thermostat line combines the thermostat and housing into a single unit, simplifying installation and reducing potential leak points. This design integrates a jiggle pin weep hole to allow air to escape, improving coolant flow and system efficiency. The 34051 part number represents this integrated approach, tailored for specific Toyota vehicles requiring precise temperature control components.

Technical Description and Specifications

This engine coolant thermostat features a start to open temperature of 82°C (180°F), ensuring the thermostat opens at the correct engine temperature to regulate coolant flow. The housing includes three bolt holes for secure attachment and an outlet with an inside diameter of 1.141 inches and an outside diameter of 1.353 inches. The jiggle pin weep hole is incorporated to prevent air locks and maintain consistent coolant circulation. This thermostat is non-electric and does not include a check valve, focusing on mechanical reliability.

Applications and Problem Solving

  • Prevents engine overheating by regulating coolant flow
  • Eliminates air pockets in the cooling system with jiggle pin weep hole
  • Replaces faulty or leaking thermostat housings in Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra
  • Restores proper engine temperature control for improved fuel efficiency
  • Addresses coolant leaks caused by worn or damaged thermostat housings

Installation Notes and Tips

  • Ensure compatibility with Toyota 4Runner, FJ Cruiser, Tacoma, or Tundra before installation
  • Use proper torque specifications on the three bolt holes to avoid leaks
  • Inspect and replace seals as needed; this part includes one seal
  • Drain coolant before removal to prevent spills
  • Verify thermostat opening temperature matches vehicle requirements (82°C/180°F)

Quality Assurance and Warranty

The Gates Integrated Housing Thermostat 34051 meets OE performance standards, providing reliable operation consistent with original equipment. While this part is not an exact OE replacement, it is engineered to deliver comparable durability and function. Gates products typically come with a limited warranty against defects in materials and workmanship; please refer to official Gates documentation for specific warranty details.

BrandGates
Part Number34051
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 Diameter1.141
Outlet Inside Diameter 1 (in)1.141
Outlet Outside Diameter1.353
Outlet Outside Diameter 1 (in)1.353
Start to Open Temperature82
Start to Open Temperature180
Temperature (C)82
TypeIntegrated Housing Thermostat

This part fits 52 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2024Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2023Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2022Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2021Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2020Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2019Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015ToyotaTacoma4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014ToyotaFJ Cruiser4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014ToyotaTacoma4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014ToyotaTundra4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013ToyotaFJ Cruiser4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013ToyotaTacoma4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013ToyotaTundra4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2012Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2012ToyotaFJ Cruiser4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2012ToyotaTacoma4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2012ToyotaTundra4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2011Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2011ToyotaFJ Cruiser4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2011ToyotaTacoma4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2011ToyotaTundra4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2010Toyota4Runner2.7LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2010Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2010ToyotaFJ Cruiser4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2010ToyotaTacoma4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2010ToyotaTundra4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2009Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2009ToyotaFJ Cruiser4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2009ToyotaTacoma4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2009ToyotaTundra4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2008Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2008ToyotaFJ Cruiser4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2008ToyotaTacoma4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2008ToyotaTundra4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2007Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2007ToyotaFJ Cruiser4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2007ToyotaTacoma4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2007ToyotaTundra4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2006Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2006ToyotaTacoma4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2006ToyotaTundra4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2005Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2005ToyotaTacoma4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2005ToyotaTundra4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2004Toyota4Runner4.0LV6GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2003Toyota4Runner4.0LV6GASN/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:

160310P0101603131011340513877848778634-1806348085952902-5148HT180-436TI24282

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