HomeBelts and Cooling > Thermostat and HousingGates 34014 Engine Coolant Thermostat
Part #: 34014

Gates 34014 Engine Coolant Thermostat

OE Type Thermostat
⚙️ 72 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Type Thermostat
🚗Fitment: Mazda, 2, RX-8, Protege, Protege5, 626, Millenia, MPV, MX-6, and MX-3
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Reliable Engine Coolant Thermostat for Mazda Vehicles

The Gates OE Type Thermostat 34014 is engineered to maintain optimal engine temperature for various Mazda models including the 626, Millenia, MPV, MX-3, MX-6, Protege, Protege5, and RX-8. Designed with precision materials and OE performance standards, this thermostat ensures consistent cooling system operation.

  • Constructed from durable stainless steel and copper for corrosion resistance
  • OE Type Thermostat design with bottom by-pass for efficient coolant flow
  • Sealing flange outside diameter approximately 2.04 to 2.05 inches
  • Height between flanges ranges from 1.63 to 1.68 inches for proper fitment
  • Includes a jiggle pin weep hole to prevent air lock
  • O-ring seal type for secure sealing without gaskets
  • Start to open temperature at 180°F (82°C) for accurate temperature regulation
  • Flange thickness of 0.05 inches ensuring proper installation depth
  • Compatible with multiple Mazda models for direct replacement

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line by Gates is designed to meet original equipment specifications, providing reliable temperature control and durability. This product line focuses on exact fit and function, using quality materials such as steel and copper to replicate factory performance. The 34014 thermostat exemplifies this approach by offering precise temperature activation and a bottom by-pass design to maintain consistent coolant circulation.

Product Details and Specifications

The Gates 34014 thermostat features a bottom by-pass design that allows coolant to circulate even when the thermostat is closed, reducing hot spots and improving engine warm-up times. Its stainless steel and copper construction resists corrosion and wear, extending service life. The thermostat’s sealing flange outside diameter measures between 2.04 and 2.05 inches, while the height between flanges is approximately 1.63 to 1.68 inches, ensuring compatibility with specified Mazda models. The jiggle pin weep hole helps release trapped air, preventing cooling system issues. This thermostat uses an O-ring seal type and does not require additional gaskets, simplifying installation.

Compatible Mazda Models and Common Applications

  • Mazda 626
  • Mazda Millenia
  • Mazda MPV
  • Mazda MX-3
  • Mazda MX-6
  • Mazda Protege and Protege5
  • Mazda RX-8

This thermostat is suitable for addressing issues such as engine overheating, poor heater performance, inconsistent engine temperature, coolant leaks around the thermostat housing, and extended engine warm-up times.

Installation Notes and Tips

  • Ensure the engine is cool before removing the old thermostat to avoid burns
  • Clean the thermostat housing surface thoroughly before installation
  • Use the correct O-ring seal provided; no additional gaskets are required
  • Verify the thermostat orientation with the jiggle pin weep hole positioned correctly
  • Check coolant levels and bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty

The Gates OE Type Thermostat 34014 is manufactured to meet OE performance standards, ensuring reliable operation and durability. While specific warranty details are not provided, Gates products typically adhere to strict quality control processes to maintain consistent performance and fitment.

BrandGates
Part Number34014
PositionOE Type Thermostat
.63
1
1
1.09
1.61
By-Pass Flange Diameter (in)1.1
DesignBottom By-Pass
DesignBottom By-Pass
Flange Thickness.05
Gasket Quantity0
Height2.34
Height2.4
Height Between Flanges1.63
Height Between Flanges1.68
Height from Flange (in).63
Includes Installation ToolNo
Installation Tool IncludedNo
Jiggle Pin Weep HoleYes
MaterialStainless Steel, Copper
MaterialSteel, Copper
Number of Gaskets0
Number of Jiggle Pins/Check Valves1
Number of Seals1
OE Comparison RatingOE Performance
Seal MaterialRubber
Seal TypeO-Ring
Sealing Flange Outside Diameter2.04
Sealing Flange Outside Diameter2.05
Start to Open Temperature82
Start to Open Temperature180
TypeOE Type Thermostat

This part fits 72 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2015Mazda21.5LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2014Mazda21.5LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2013Mazda21.5LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2012Mazda21.5LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2011Mazda21.5LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2011MazdaRX-81.3LR2GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2010MazdaRX-81.3LR2GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2009MazdaRX-81.3LR2GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2008MazdaRX-81.3LR2GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2007MazdaRX-81.3LR2GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2006MazdaRX-81.3LR2GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2005MazdaRX-81.3LR2GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2004MazdaRX-81.3LR2GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2003MazdaProtege2.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2003MazdaProtege52.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2002Mazda6262.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2002Mazda6262.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2002MazdaMillenia2.3LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2002MazdaMillenia2.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2002MazdaProtege2.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2002MazdaProtege52.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2001Mazda6262.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2001Mazda6262.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2001MazdaMillenia2.3LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2001MazdaMillenia2.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2001MazdaProtege2.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2000Mazda6262.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2000Mazda6262.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2000MazdaMillenia2.3LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2000MazdaMillenia2.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2000MazdaProtege1.8LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1999Mazda6262.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1999Mazda6262.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1999MazdaMillenia2.3LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1999MazdaMillenia2.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1999MazdaProtege1.8LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1998Mazda6262.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1998Mazda6262.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1998MazdaMillenia2.3LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1998MazdaMillenia2.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1998MazdaMPV3.0LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1997Mazda6262.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1997Mazda6262.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1997MazdaMillenia2.3LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1997MazdaMillenia2.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1997MazdaMPV3.0LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1997MazdaMX-62.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1997MazdaMX-62.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1996Mazda6262.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1996Mazda6262.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1996MazdaMillenia2.3LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1996MazdaMillenia2.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1996MazdaMPV3.0LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1996MazdaMX-62.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1996MazdaMX-62.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1995Mazda6262.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1995Mazda6262.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1995MazdaMillenia2.3LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1995MazdaMillenia2.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1995MazdaMX-62.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1995MazdaMX-62.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1994Mazda6262.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1994Mazda6262.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1994MazdaMX-31.8LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1994MazdaMX-62.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1994MazdaMX-62.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1993Mazda6262.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1993Mazda6262.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1993MazdaMX-31.8LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1993MazdaMX-62.0LL4GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1993MazdaMX-62.5LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1992MazdaMX-31.8LV6GASN/A180 Degree; OE Temperature; Seal included; OE Type 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:

340143847845560848478KL015171A9U

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