Coolant Thermostat - DENSO - DTM88337
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eBayDENSO DTM88337 Thermostat, coolant for CHEVROLET,DAEWOO,NISSAN,SUBARU,SUZUKI
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Product Information
Full details
The DENSO DTM88337 Coolant Thermostat is designed for automotive DIYers and mechanics seeking to restore optimal engine temperature regulation and cooling system efficiency. By maintaining a precise 88 °C operating threshold, this high-quality replacement part helps prevent overheating and supports fuel efficiency, though it requires a thorough coolant system flush during installation to ensure long-term performance.
All features
| Model Part Number | DTM88337 |
|---|---|
| Brand | DENSO |
Extended Product Information
FAQs
What is the opening temperature of this thermostat?
The DENSO DTM88337 is calibrated to open at 88 °C.
Does this thermostat come with a gasket?
Yes, this unit includes the necessary gaskets and seals for a complete installation.
How do I know if my thermostat is faulty?
Common signs include engine overheating, poor heater performance, or the temperature gauge staying unusually low for extended periods.
Is this a direct replacement part?
Yes, it is designed as a direct replacement that meets or exceeds OE specifications.
Do I need to replace my coolant when installing this part?
It is highly recommended to use fresh coolant when replacing the thermostat to avoid introducing contaminants into the system.
Troubleshooting
Engine temperature gauge rises rapidly after installation
Air is likely trapped in the cooling system. Ensure you perform a proper cooling system bleed procedure.
Leak discovered at the thermostat housing
Verify the gasket is correctly seated and that the housing bolts are tightened evenly to the recommended torque settings.
Pros and Cons
Pros
- Includes essential gaskets and seals
- Meets strict OE manufacturing specifications
- Ensures stable engine operating temperatures
- Direct fit simplifies the installation process
Cons
- Requires cooling system drainage and air bleeding
- Installation may be difficult on engines with tight bay layouts
- Does not include new coolant fluid
Setup, Compatibility & Care
To install the DTM88337, ensure the engine is completely cool before starting. Begin by draining the radiator to a level below the thermostat housing. Remove the housing bolts, discard the old thermostat and gasket, and thoroughly clean the mating surfaces to ensure a proper seal. Install the new DENSO unit with the provided gasket, tighten the bolts to factory torque specifications, and refill the cooling system.
It is critical to "burp" or bleed the cooling system of trapped air after installation to prevent overheating. Regularly inspect your coolant for signs of contamination or discoloration every 30,000 miles to preserve the lifespan of your new thermostat.