Coolant Thermostat - Denso - DTM88571

This coolant thermostat from Denso is designed to fit various BMW and Opel models. It features an ...

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eBayDENSO DTM88571 Thermostat, coolant for BMW,LAND ROVER,OPEL
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Product Information

Full details

This Denso coolant thermostat (DTM88571) is designed for BMW 3 Series (E46) 330d/xd and Opel Omega B 2.5D models, offering a precise 88°C opening temperature to maintain optimal engine performance. It ensures reliable engine temperature regulation, preventing overheating and improving fuel efficiency. A potential caveat is the need to verify exact vehicle fitment using a make/model tool or by contacting support, as applications can be specific.

All features

Model Part NumberDTM88571
BrandDenso

Extended Product Information

FAQs

What is the opening temperature of the Denso DTM88571 thermostat?

The Denso DTM88571 coolant thermostat is designed to open at 88°C.

What vehicles is this thermostat compatible with?

This thermostat is designed for specific models including the BMW 3 (E46) 330 d and 330 xd, and the Opel Omega B 2.5D. Always verify fitment using a make/model tool.

Does this thermostat come with installation hardware?

Yes, the Denso DTM88571 thermostat comes with the necessary gaskets and seals for installation.

What is the OE part number for this thermostat?

The Original Equipment (OE) part number is 11512354056.

Can I install this thermostat myself?

While possible for those with automotive experience, installation involves working with the engine's cooling system and coolant. Professional installation by a qualified mechanic is recommended for accuracy and safety.

How do I know if my thermostat needs replacement?

Common signs include the engine overheating, the temperature gauge fluctuating significantly, or the engine taking an unusually long time to reach operating temperature.

Troubleshooting

Engine overheating or running too hot.

Verify the thermostat is opening correctly. Check coolant levels and for any blockages in the radiator or hoses. Ensure the thermostat was installed in the correct orientation.

Engine taking too long to warm up.

The thermostat may be stuck open or not sealing properly, allowing coolant to circulate prematurely. Replace the thermostat.

Coolant leaks after installation.

Ensure all gaskets and seals were replaced correctly and that the thermostat housing bolts were torqued to specification. Re-check for damaged seals or a cracked housing.

Pros and Cons

Pros

  • Ensures optimal engine operating temperature.
  • Improves fuel efficiency by maintaining consistent engine heat.
  • Comes with all necessary components (gaskets, seals) for installation.
  • Designed as a direct replacement for specific BMW and Opel models.
  • Manufactured by a reputable brand known for quality automotive parts.

Cons

  • Requires careful verification of vehicle fitment.
  • Installation may require professional automotive knowledge.
  • Not a universal fit; specific model compatibility is crucial.

Setup, Compatibility & Care

Compatibility Verification: Before purchasing, it is essential to verify that the Denso DTM88571 thermostat is compatible with your specific vehicle. Use the provided make/model tool or consult with a parts specialist. The product is listed for BMW 3 (E46) 330 d and 330 xd, and Opel Omega B 2.5D. The OE number is 11512354056.

Installation: Installation typically involves draining the engine coolant, removing the old thermostat housing, replacing the thermostat and associated seals/gaskets, and refilling the cooling system with the correct coolant type and mixture. It is recommended that this component be installed by a qualified mechanic to ensure proper function and prevent coolant leaks.

Care: Once installed, the thermostat itself requires no routine maintenance. However, regular inspection and maintenance of the entire cooling system, including coolant levels, hoses, and the radiator, are crucial for the thermostat's effective operation and longevity.

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