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Part #: 34734

Gates 34734 Engine Coolant Thermostat

OE Type Thermostat
⚙️ 57 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Type Thermostat
🚗Fitment: Chevrolet, Buick, Cadillac, and Saturn, Impala, Enclave, Equinox, LaCrosse, SRX, Impala Limited, XTS, Malibu, and Vue
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Reliable Engine Coolant Thermostat for Buick, Cadillac, Chevrolet, and Saturn

The Gates OE Type Thermostat 34734 is engineered to maintain optimal engine temperature for select Buick, Cadillac, Chevrolet, and Saturn models. Designed with durable steel and copper materials, this thermostat ensures consistent performance and precise temperature regulation.

  • Constructed from steel and copper for durability and heat resistance
  • OE Type Thermostat design with bottom by-pass for efficient coolant flow
  • Sealing flange outside diameter of 1.6 inches for secure fitment
  • Includes one gasket and one jiggle pin weep hole for proper sealing and air release
  • Starts to open at 180°F (82°C) to maintain ideal engine temperature
  • Compatible with Buick Enclave, Cadillac SRX, Chevrolet Malibu, and Saturn Vue among others

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line from Gates is designed to meet original equipment performance standards. This product line focuses on precise temperature control and reliable operation, using quality materials such as steel and copper. The bottom by-pass design helps maintain consistent coolant circulation, which is critical for engine efficiency and longevity. The 34734 thermostat is part of this line, ensuring compatibility and performance comparable to factory-installed components.

Detailed Product Description

The Gates 34734 engine coolant thermostat features a bottom by-pass design that allows coolant to circulate even when the thermostat is closed, preventing hot spots and promoting even engine temperature. The thermostat’s height measures 2.58 inches, with a height between flanges of 1.71 inches, ensuring proper fitment within the cooling system. The sealing flange outside diameter is 1.6 inches, and the by-pass flange diameter is 1.38 inches, providing a secure and leak-resistant installation. Equipped with one gasket and a jiggle pin weep hole, this thermostat facilitates air release and prevents coolant system airlocks. It opens at 180°F (82°C), which aligns with the operating temperature requirements of many Buick, Cadillac, Chevrolet, and Saturn vehicles.

Common Applications and Issues Addressed

  • Prevents engine overheating by regulating coolant flow
  • Eliminates coolant leaks with a reliable gasket seal
  • Reduces engine warm-up time for improved efficiency
  • Prevents air pockets in the cooling system with jiggle pin weep hole
  • Maintains consistent engine temperature to avoid performance issues

Installation Notes and Tips

This thermostat does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the gasket is properly seated to prevent leaks. The bottom by-pass design requires correct orientation during installation to function as intended. Always replace the thermostat gasket when installing the new thermostat to maintain a proper seal.

Quality Assurance and Warranty

The Gates OE Type Thermostat 34734 meets OE performance standards, ensuring reliable operation and durability. Manufactured with high-quality steel and copper materials, this thermostat is built to withstand the demands of engine cooling systems. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in materials and workmanship.

BrandGates
Part Number34734
PositionOE Type Thermostat
0
.87
1
1.38
By-Pass Flange Diameter (in)1.38
DesignBottom By-Pass
DesignBottom By-Pass
Gasket Quantity1
Height2.58
Height Between Flanges1.71
Height from Flange (in).87
Includes Installation ToolNo
Installation Tool IncludedNo
Jiggle Pin Weep HoleYes
MaterialSteel, Copper
MaterialSteel, Copper
Number of Gaskets1
Number of Jiggle Pins/Check Valves1
Number of Seals0
OE Comparison RatingOE Performance
Seal TypeGasket
Sealing Flange Outside Diameter1.6
Start to Open Temperature82
Start to Open Temperature180
TypeOE Type Thermostat

This part fits 57 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2018ChevroletImpala3.6LV6FLEXN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2017BuickEnclave3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2017ChevroletEquinox3.6LV6FLEXN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2017ChevroletEquinox3.6LV6GASN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2017ChevroletImpala3.6LV6BI-FUELN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2017ChevroletImpala3.6LV6FLEXN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2016BuickEnclave3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2016BuickLaCrosse3.6LV6FLEXN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2016BuickLaCrosse3.6LV6GASN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2016CadillacSRX3.6LV6FLEXN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2016CadillacSRX3.6LV6GASN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2016ChevroletEquinox3.6LV6FLEXN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2016ChevroletEquinox3.6LV6GASN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2016ChevroletImpala3.6LV6BI-FUELN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2016ChevroletImpala3.6LV6FLEXN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2016ChevroletImpala Limited3.6LV6FLEXN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2015BuickEnclave3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2015BuickLaCrosse3.6LV6FLEXN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2015ChevroletEquinox3.6LV6FLEXN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2015ChevroletEquinox3.6LV6GASN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2015ChevroletImpala3.6LV6BI-FUELN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2015ChevroletImpala3.6LV6FLEXN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2015ChevroletImpala Limited3.6LV6FLEXN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2014BuickEnclave3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2014CadillacSRX3.6LV6FLEXN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2014CadillacSRX3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2014CadillacXTS3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2014ChevroletImpala3.6LV6FLEXN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2014ChevroletImpala3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2014ChevroletImpala Limited3.6LV6FLEXN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2013BuickEnclave3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2013CadillacSRX3.6LV6FLEXN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2013CadillacSRX3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2013CadillacXTS3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2013ChevroletImpala3.6LV6FLEXN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2013ChevroletImpala3.6LV6GASN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2012BuickEnclave3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2012BuickLaCrosse3.6LV6FLEXN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2012BuickLaCrosse3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2012CadillacSRX3.6LV6FLEXN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2012ChevroletImpala3.6LV6FLEXN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2012ChevroletImpala3.6LV6GASN/AW/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat
2012ChevroletMalibu3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2011BuickEnclave3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2011BuickLaCrosse3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2011CadillacSRX3.0LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2011ChevroletMalibu3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2010BuickEnclave3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2010BuickLaCrosse3.0LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2010BuickLaCrosse3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2010CadillacSRX3.0LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2010ChevroletMalibu3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2009BuickEnclave3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2009ChevroletMalibu3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2009SaturnVue3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2008BuickEnclave3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat
2008ChevroletMalibu3.6LV6GASN/AIncl. Gasket; 180 Degree; OE Temperature; 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:

34734462180719-18071980

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