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Gates 34734 Engine Coolant Thermostat
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.
| Brand | Gates |
| Part Number | 34734 |
| Position | OE Type Thermostat |
| 0 | |
| .87 | |
| 1 | |
| 1.38 | |
| By-Pass Flange Diameter (in) | 1.38 |
| Design | Bottom By-Pass |
| Design | Bottom By-Pass |
| Gasket Quantity | 1 |
| Height | 2.58 |
| Height Between Flanges | 1.71 |
| Height from Flange (in) | .87 |
| Includes Installation Tool | No |
| Installation Tool Included | No |
| Jiggle Pin Weep Hole | Yes |
| Material | Steel, Copper |
| Material | Steel, Copper |
| Number of Gaskets | 1 |
| Number of Jiggle Pins/Check Valves | 1 |
| Number of Seals | 0 |
| OE Comparison Rating | OE Performance |
| Seal Type | Gasket |
| Sealing Flange Outside Diameter | 1.6 |
| Start to Open Temperature | 82 |
| Start to Open Temperature | 180 |
| Type | OE Type Thermostat |
This part fits 57 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Chevrolet | Impala | 3.6L | V6 | FLEX | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2017 | Buick | Enclave | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2017 | Chevrolet | Equinox | 3.6L | V6 | FLEX | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2017 | Chevrolet | Equinox | 3.6L | V6 | GAS | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2017 | Chevrolet | Impala | 3.6L | V6 | BI-FUEL | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2017 | Chevrolet | Impala | 3.6L | V6 | FLEX | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2016 | Buick | Enclave | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2016 | Buick | LaCrosse | 3.6L | V6 | FLEX | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2016 | Buick | LaCrosse | 3.6L | V6 | GAS | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2016 | Cadillac | SRX | 3.6L | V6 | FLEX | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2016 | Cadillac | SRX | 3.6L | V6 | GAS | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2016 | Chevrolet | Equinox | 3.6L | V6 | FLEX | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2016 | Chevrolet | Equinox | 3.6L | V6 | GAS | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2016 | Chevrolet | Impala | 3.6L | V6 | BI-FUEL | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2016 | Chevrolet | Impala | 3.6L | V6 | FLEX | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2016 | Chevrolet | Impala Limited | 3.6L | V6 | FLEX | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2015 | Buick | Enclave | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2015 | Buick | LaCrosse | 3.6L | V6 | FLEX | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2015 | Chevrolet | Equinox | 3.6L | V6 | FLEX | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2015 | Chevrolet | Equinox | 3.6L | V6 | GAS | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2015 | Chevrolet | Impala | 3.6L | V6 | BI-FUEL | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2015 | Chevrolet | Impala | 3.6L | V6 | FLEX | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2015 | Chevrolet | Impala Limited | 3.6L | V6 | FLEX | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2014 | Buick | Enclave | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2014 | Cadillac | SRX | 3.6L | V6 | FLEX | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2014 | Cadillac | SRX | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2014 | Cadillac | XTS | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2014 | Chevrolet | Impala | 3.6L | V6 | FLEX | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2014 | Chevrolet | Impala | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2014 | Chevrolet | Impala Limited | 3.6L | V6 | FLEX | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2013 | Buick | Enclave | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2013 | Cadillac | SRX | 3.6L | V6 | FLEX | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2013 | Cadillac | SRX | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2013 | Cadillac | XTS | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2013 | Chevrolet | Impala | 3.6L | V6 | FLEX | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2013 | Chevrolet | Impala | 3.6L | V6 | GAS | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2012 | Buick | Enclave | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2012 | Buick | LaCrosse | 3.6L | V6 | FLEX | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2012 | Buick | LaCrosse | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2012 | Cadillac | SRX | 3.6L | V6 | FLEX | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2012 | Chevrolet | Impala | 3.6L | V6 | FLEX | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2012 | Chevrolet | Impala | 3.6L | V6 | GAS | N/A | W/O Housing; 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2012 | Chevrolet | Malibu | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2011 | Buick | Enclave | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2011 | Buick | LaCrosse | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2011 | Cadillac | SRX | 3.0L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2011 | Chevrolet | Malibu | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2010 | Buick | Enclave | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2010 | Buick | LaCrosse | 3.0L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2010 | Buick | LaCrosse | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2010 | Cadillac | SRX | 3.0L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2010 | Chevrolet | Malibu | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2009 | Buick | Enclave | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2009 | Chevrolet | Malibu | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2009 | Saturn | Vue | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2008 | Buick | Enclave | 3.6L | V6 | GAS | N/A | Incl. Gasket; 180 Degree; OE Temperature; OE Type Thermostat |
| 2008 | Chevrolet | Malibu | 3.6L | V6 | GAS | N/A | Incl. 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.