HomeBelts and Cooling > Thermostat and HousingGenuine 11537586783 Engine Coolant Thermostat
Part #: 11537586783

Genuine 11537586783 Engine Coolant Thermostat

⚙️ 2 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$179.20Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, X3
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Coolant Thermostat for BMW X3

The Genuine 11537586783 engine coolant thermostat is designed specifically for BMW X3 models, ensuring precise temperature regulation for optimal engine performance. This thermostat helps maintain the correct operating temperature, contributing to efficient engine operation and longevity.

Key Features of the Genuine 11537586783 Thermostat

  • Compatible with BMW X3 vehicles for accurate fitment
  • Engine coolant thermostat designed to regulate engine temperature
  • Durable construction for consistent performance under varying conditions
  • OEM part number 11537586783 ensures exact replacement
  • Helps prevent engine overheating and improves fuel efficiency

Detailed Description of the Engine Coolant Thermostat

This Genuine engine coolant thermostat (part number 11537586783) is engineered to meet the specifications of BMW X3 models. It controls the flow of coolant to the radiator, opening and closing at precise temperatures to maintain the engine within its optimal operating range. Proper thermostat function is critical to avoid engine overheating or running too cool, both of which can affect engine performance and emissions. This thermostat is manufactured to OEM standards, ensuring reliable operation and compatibility with your BMW X3 cooling system.

Common Issues Addressed by This Thermostat

  • Engine overheating due to stuck-closed thermostat
  • Poor fuel economy caused by thermostat stuck open
  • Erratic engine temperature fluctuations
  • Delayed engine warm-up times
  • Potential engine damage from improper coolant flow

Installation Notes and Tips

When installing the Genuine 11537586783 thermostat on your BMW X3, ensure the engine is cool before beginning work. Drain the coolant system to prevent spills and contamination. Replace any gaskets or seals to avoid leaks. Verify the thermostat orientation matches OEM specifications for proper operation. After installation, refill the cooling system and bleed air pockets to maintain system efficiency.

Quality Assurance and Warranty Information

The Genuine 11537586783 engine coolant thermostat is manufactured to meet BMW OEM standards, providing dependable performance and fitment. While specific warranty details may vary, Genuine parts typically come with a limited warranty covering defects in materials and workmanship. Using this thermostat helps maintain your BMW X3’s cooling system integrity and engine reliability.

This part fits 2 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2012BMWX3xDrive28iN/A
2011BMWX3xDrive28iN/A

* 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.