HomeBelts and Cooling > Gaskets and Sealing SystemsGenuine 1199970445 Engine Coolant Thermostat Seal
Part #: 1199970445

Genuine 1199970445 Engine Coolant Thermostat Seal

⚙️ 53 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, CL500, S420, S500, SL500, E420, E500, 400E, 400SEL, 500E, 500SEC, 500SEL, 500SL, and 400SE
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Reliable Engine Coolant Thermostat Seal for Mercedes-Benz Models

The Genuine 1199970445 Engine Coolant Thermostat Seal is designed to provide a secure and leak-free fit for your Mercedes-Benz vehicle. Compatible with a range of Mercedes-Benz models, this thermostat seal ensures proper engine temperature regulation and helps maintain optimal cooling system performance.

Key Features of the Genuine 1199970445 Thermostat Seal

  • Compatible with Mercedes-Benz 400E, 400SE, 400SEL, 500E, 500SEC, 500SEL, 500SL, CL500, E420, E500, S420, S500, and SL500 models
  • Engine coolant thermostat seal designed to prevent leaks and maintain system integrity
  • Genuine part ensuring precise fit and reliable performance
  • Durable construction to withstand engine heat and pressure
  • Part number 1199970445 for accurate identification and replacement

Detailed Description of the Engine Coolant Thermostat Seal

This Genuine 1199970445 Engine Coolant Thermostat Seal is an essential component in the cooling system of select Mercedes-Benz vehicles. It provides a tight seal around the thermostat housing, preventing coolant leaks that can lead to engine overheating or inefficient temperature control. Manufactured to meet OEM specifications, this seal ensures compatibility and durability under demanding engine conditions. Whether you own a Mercedes-Benz 500SL or an E420, this thermostat seal supports the proper function of your vehicle’s cooling system.

Common Issues Addressed by the Thermostat Seal

  • Prevents coolant leaks around the thermostat housing
  • Helps avoid engine overheating due to coolant loss
  • Maintains consistent engine temperature regulation
  • Reduces risk of engine damage from improper cooling
  • Ensures reliable sealing in high-temperature environments

Installation Notes and Tips

  • Ensure the thermostat housing surface is clean and free of old gasket material before installation
  • Use the Genuine 1199970445 seal to guarantee proper fit and sealing
  • Check for any signs of wear or damage on the thermostat and housing during replacement
  • Follow manufacturer torque specifications when securing the thermostat housing
  • Inspect the cooling system for leaks after installation

Quality Assurance and Warranty Information

The Genuine 1199970445 Engine Coolant Thermostat Seal is manufactured to meet strict quality standards for Mercedes-Benz vehicles. This part undergoes rigorous testing to ensure durability and performance under typical operating conditions. While specific warranty details may vary, Genuine parts generally come with a limited warranty covering defects in material and workmanship to provide confidence in your replacement component.

This part fits 53 vehicles. Search below:

YearMakeModelPositionNotes
1999Mercedes-BenzCL500N/A
1999Mercedes-BenzS420N/A
1999Mercedes-BenzS500N/A
1998Mercedes-BenzCL500N/A
1998Mercedes-BenzS420N/A
1998Mercedes-BenzS500N/A
1998Mercedes-BenzSL500N/A
1997Mercedes-BenzE420N/A
1997Mercedes-BenzS420N/A
1997Mercedes-BenzS500N/A
1997Mercedes-BenzSL500N/A
1996Mercedes-BenzS420N/A
1996Mercedes-BenzS500N/A
1996Mercedes-BenzSL500N/A
1996Mercedes-BenzSL500N/AFrom Engine 013778
1995Mercedes-BenzE420N/AFrom 020772; M119.975
1995Mercedes-BenzE420N/AFrom Engine 020772
1995Mercedes-BenzS420N/A119.971; From 026751
1995Mercedes-BenzS420N/AFrom Engine 026751
1995Mercedes-BenzS500N/A119.970, From 056886.
1995Mercedes-BenzS500N/AEngine 056886
1995Mercedes-BenzSL500N/A119.972; From 013778
1995Mercedes-BenzSL500N/AFrom Engine 013778
1994Mercedes-BenzE420N/A119.975; From 020772
1994Mercedes-BenzE420N/AFrom Engine 020772
1994Mercedes-BenzE500N/A119.974; From 010205
1994Mercedes-BenzE500N/AFrom Engine 010205
1994Mercedes-BenzS420N/A119.971; From 026751
1994Mercedes-BenzS420N/AFrom Engine 026751
1994Mercedes-BenzS500N/A119.970, From 056886.
1994Mercedes-BenzS500N/AEngine 056886
1994Mercedes-BenzSL500N/A119.972; From 013778
1994Mercedes-BenzSL500N/AFrom Engine 013778
1993Mercedes-Benz400EN/A119.975; From 020772
1993Mercedes-Benz400EN/AFrom Engine 020772
1993Mercedes-Benz400SELN/A119.971; From 026751
1993Mercedes-Benz400SELN/AFrom Engine 026751
1993Mercedes-Benz500EN/A119.974; From 010205
1993Mercedes-Benz500EN/AFrom Engine 010205
1993Mercedes-Benz500SECN/A119.970, From 056886.
1993Mercedes-Benz500SECN/AEngine 056886
1993Mercedes-Benz500SELN/A119.970, From 056886.
1993Mercedes-Benz500SELN/AEngine 056886
1993Mercedes-Benz500SLN/A119.972; From 013778
1993Mercedes-Benz500SLN/AFrom Engine 013778
1992Mercedes-Benz400EN/A119.975; From 020772
1992Mercedes-Benz400EN/AFrom Engine 020772
1992Mercedes-Benz400SEN/A119.971; From 026751
1992Mercedes-Benz400SEN/AFrom Engine 026751
1992Mercedes-Benz500EN/A119.974; From 010205
1992Mercedes-Benz500EN/AFrom Engine 010205
1992Mercedes-Benz500SELN/A119.970, From 056886.
1992Mercedes-Benz500SELN/AEngine 056886

* 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.