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Motorad 319-170 Engine Coolant Thermostat
Reliable Engine Coolant Thermostat for Chevrolet, Ford, and Mazda
The Motorad Standard 319-170 engine coolant thermostat is designed to maintain optimal engine temperature for select Chevrolet, Ford, and Mazda vehicles. Engineered to open at 170 degrees Fahrenheit, this thermostat ensures efficient coolant flow and engine performance.
- Sealing flange outside diameter: 2.047 inches
- Bypass diameter: 1.09 inches
- Bypass length: 1.61 inches
- Flange thickness: 0.05 inches
- Includes jiggle pin weep hole for air bleeding
- Temperature rating: 170°F
- No gasket or seal included
- No installation tool included
About the Motorad Standard Product Line
The Motorad Standard line offers dependable engine cooling components designed to meet OEM specifications. This product line focuses on delivering consistent performance and fitment for a range of vehicles, including Chevrolet, Ford, and Mazda models. The 319-170 thermostat is part of this line, providing a balance of quality and compatibility for engine cooling systems.
Product Details and Specifications
This engine coolant thermostat features a sealing flange outside diameter of 2.047 inches, ensuring a secure fit within the cooling system housing. The bypass diameter of 1.09 inches and bypass length of 1.61 inches facilitate proper coolant circulation during engine warm-up. The flange thickness measures 0.05 inches, contributing to a precise seal. The thermostat includes a jiggle pin weep hole, which helps release trapped air and prevents air pockets in the cooling system. It is calibrated to open at 170 degrees Fahrenheit, maintaining optimal engine temperature for efficient operation.
Compatible Vehicles and Applications
- Chevrolet models including Tracker
- Ford models such as Probe and MX-3, MX-6
- Mazda models including 2, 3, 3 Sport, 6, 626, CX-5, Millenia, MPV, Protege, Protege5
This thermostat is suitable for use in these vehicles to regulate engine temperature and support proper coolant flow.
Common Issues Addressed by This Thermostat
- Engine overheating due to stuck closed thermostat
- Poor heater performance from improper coolant flow
- Engine running too cool, affecting fuel efficiency
- Air pockets in cooling system causing temperature fluctuations
- Coolant bypass issues during engine warm-up
Installation Notes and Tips
Installation of the Motorad Standard 319-170 thermostat requires removal of the old thermostat and careful placement of the new unit to ensure proper sealing. Note that this part does not include a gasket or seal, so a compatible gasket should be sourced separately. The jiggle pin weep hole must be oriented correctly to allow air to escape during coolant system bleeding. No special installation tools are included, so standard hand tools are sufficient for replacement.
Quality Assurance and Warranty
Motorad Standard thermostats are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Motorad products typically adhere to quality control processes to ensure reliable operation within the specified temperature range.
| Brand | Motorad |
| Part Number | 319-170 |
| Position | Standard |
| Bypass Diameter | 1.09 in |
| Bypass Length | 1.61 in |
| Flange Thickness | 0.05 in |
| Gasket Or Seal Included | No |
| Installation Tool Included | No |
| Jiggle Pin Weep Hole | Yes |
| Sealing Flange Outside Diameter | 2.047 |
| Temperature | 170 Deg. F |
| Temperature (Degree) | 170 |
This part fits 110 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Mazda | CX-5 | 2.2L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2018 | Mazda | 3 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2018 | Mazda | 3 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2018 | Mazda | 3 Sport | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2018 | Mazda | 3 Sport | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2018 | Mazda | 6 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2017 | Mazda | 3 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2017 | Mazda | 3 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2017 | Mazda | 6 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2016 | Mazda | 3 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2016 | Mazda | 3 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2016 | Mazda | 3 Sport | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2016 | Mazda | 3 Sport | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2016 | Mazda | 6 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2016 | Mazda | CX-5 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2016 | Mazda | CX-5 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2015 | Mazda | 3 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2015 | Mazda | 3 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2015 | Mazda | 3 Sport | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2015 | Mazda | 3 Sport | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2015 | Mazda | 6 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2015 | Mazda | CX-5 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2015 | Mazda | CX-5 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2014 | Mazda | 2 | 1.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2014 | Mazda | 3 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2014 | Mazda | 3 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2014 | Mazda | 3 Sport | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2014 | Mazda | 3 Sport | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2014 | Mazda | 6 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2014 | Mazda | CX-5 | 2.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2014 | Mazda | CX-5 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2013 | Mazda | 2 | 1.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2013 | Mazda | 3 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2013 | Mazda | CX-5 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2012 | Mazda | 2 | 1.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2012 | Mazda | 3 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2011 | Mazda | 2 | 1.5L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2011 | Mazda | 3 Sport | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2004 | Chevrolet | Tracker | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2003 | Mazda | Protege | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2003 | Mazda | Protege5 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2002 | Mazda | 626 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2002 | Mazda | 626 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2002 | Mazda | Millenia | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2002 | Mazda | Millenia | 2.3L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2002 | Mazda | Protege | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2002 | Mazda | Protege | 1.6L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2002 | Mazda | Protege5 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2001 | Mazda | 626 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2001 | Mazda | 626 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2001 | Mazda | Millenia | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2001 | Mazda | Millenia | 2.3L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2001 | Mazda | Protege | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2000 | Mazda | 626 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2000 | Mazda | 626 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2000 | Mazda | Millenia | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2000 | Mazda | Millenia | 2.3L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 2000 | Mazda | Protege | 1.8L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1999 | Mazda | 626 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1999 | Mazda | 626 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1999 | Mazda | Millenia | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1999 | Mazda | Millenia | 2.3L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1999 | Mazda | Protege | 1.8L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1998 | Mazda | 626 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1998 | Mazda | 626 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1998 | Mazda | Millenia | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1998 | Mazda | Millenia | 2.3L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1998 | Mazda | MPV | 3.0L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1997 | Ford | Probe | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1997 | Ford | Probe | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1997 | Mazda | 626 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1997 | Mazda | 626 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1997 | Mazda | Millenia | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1997 | Mazda | Millenia | 2.3L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1997 | Mazda | MPV | 3.0L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1997 | Mazda | MX-6 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1997 | Mazda | MX-6 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1996 | Ford | Probe | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1996 | Ford | Probe | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1996 | Mazda | 626 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1996 | Mazda | 626 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1996 | Mazda | Millenia | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1996 | Mazda | Millenia | 2.3L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1996 | Mazda | MPV | 3.0L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1996 | Mazda | MX-6 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1996 | Mazda | MX-6 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1995 | Ford | Probe | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1995 | Ford | Probe | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1995 | Mazda | 626 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1995 | Mazda | 626 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1995 | Mazda | Millenia | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1995 | Mazda | Millenia | 2.3L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1995 | Mazda | MX-3 | 1.8L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1995 | Mazda | MX-6 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1995 | Mazda | MX-6 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1994 | Ford | Probe | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1994 | Ford | Probe | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1994 | Mazda | 626 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1994 | Mazda | 626 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1994 | Mazda | MX-3 | 1.8L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1994 | Mazda | MX-6 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1994 | Mazda | MX-6 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1993 | Ford | Probe | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1993 | Ford | Probe | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1993 | Mazda | 626 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1993 | Mazda | 626 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1993 | Mazda | MX-3 | 1.8L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1993 | Mazda | MX-6 | 2.5L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1993 | Mazda | MX-6 | 2.0L | L4 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
| 1992 | Mazda | MX-3 | 1.8L | V6 | N/A | Engine Coolant Thermostat with 170F and alternate temperature option.; Standard |
* 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.