HomeBelts and Cooling > Gaskets and Sealing SystemsMahle B45661 Engine Coolant Thermostat Gasket
Part #: B45661

Mahle B45661 Engine Coolant Thermostat Gasket

⚙️ 36 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Kia and Mazda, 323, Miata, MX-3, Protege, and Sephia
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Reliable Engine Coolant Thermostat Gasket for Kia and Mazda Vehicles

The Mahle B45661 engine coolant thermostat gasket is designed to provide a secure seal for the thermostat housing in select Kia and Mazda models. Crafted from molded rubber, this gasket ensures effective sealing to prevent coolant leaks and maintain optimal engine temperature regulation.

  • Durable molded rubber material for reliable sealing
  • Compatible with Kia 323, Mazda Miata, MX-3, Protege, and Sephia models
  • Engine coolant thermostat gasket designed to fit precisely
  • Part number B45661 for easy identification and replacement

Durable Molded Rubber Material for Effective Sealing

The Mahle B45661 gasket is made from molded rubber, a material known for its flexibility and resistance to heat and coolant fluids. This composition allows the gasket to maintain a tight seal under varying engine temperatures and pressures, reducing the risk of coolant leaks that can lead to engine overheating or damage. Molded rubber also offers resilience against wear and deformation, ensuring long-lasting performance in the cooling system.

Compatible Vehicles and Applications

This engine coolant thermostat gasket is compatible with several Kia and Mazda models, including the Kia 323 and Mazda Miata, MX-3, Protege, and Sephia. It is specifically designed to fit the thermostat housing in these vehicles, making it a suitable replacement part for maintenance or repair tasks involving the cooling system.

  • Prevents coolant leaks around the thermostat housing
  • Helps maintain proper engine operating temperature
  • Reduces risk of engine overheating due to seal failure
  • Supports efficient coolant flow through the thermostat

Installation Notes and Tips

When installing the Mahle B45661 thermostat gasket, ensure the thermostat housing surfaces are clean and free of old gasket material or debris. Proper alignment of the gasket is critical to avoid leaks. Use appropriate torque specifications for the thermostat housing bolts to prevent gasket damage. It is recommended to inspect the thermostat and housing for wear or damage during replacement.

Quality Assurance and Warranty

Mahle manufactures the B45661 gasket to meet OEM standards for fit and function. The molded rubber material is selected for durability and resistance to coolant exposure. While specific warranty details are not provided, Mahle products typically adhere to strict quality control processes to ensure reliable performance in automotive cooling systems.

BrandMahle
Part NumberB45661
Coolant Outlet Gasket MaterialMolded rubber

This part fits 36 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005MazdaMiata1.8LL4N/AMolded rubber O-ring type.
2004MazdaMiata1.8LL4N/AMolded rubber O-ring type.
2003MazdaMiata1.8LL4N/AMolded rubber O-ring type.
2002MazdaMiata1.8LL4N/AMolded rubber O-ring type.
2001MazdaMiata1.8LL4N/AMolded rubber O-ring type.
2000MazdaMiata1.8LL4N/AMolded rubber O-ring type.
1999MazdaMiata1.8LL4N/AMolded rubber O-ring type.
1998MazdaProtege1.8LL4N/AMolded rubber O-ring type.
1997MazdaMiata1.8LL4N/AMolded rubber O-ring type.
1997MazdaProtege1.8LL4N/AMolded rubber O-ring type.
1996MazdaMiata1.8LL4N/AMolded rubber O-ring type.
1996MazdaProtege1.8LL4N/AMolded rubber O-ring type.
1995KiaSephia1.6LL4N/AMolded rubber O-ring type.
1995Mazda3231.6LL4N/AMolded rubber O-ring type.
1995MazdaMiata1.8LL4N/AMolded rubber O-ring type.
1995MazdaProtege1.8LL4N/AMolded rubber O-ring type.
1994KiaSephia1.6LL4N/AMolded rubber O-ring type.
1994Mazda3231.8LL4N/AMolded rubber O-ring type.
1994Mazda3231.6LL4N/AMolded rubber O-ring type.
1994MazdaMiata1.8LL4N/AMolded rubber O-ring type.
1994MazdaProtege1.8LL4N/AMolded rubber O-ring type.
1993Mazda3231.8LL4N/AMolded rubber O-ring type.
1993Mazda3231.6LL4N/AMolded rubber O-ring type.
1993MazdaMiata1.6LL4N/AMolded rubber O-ring type.
1993MazdaMX-31.6LL4N/AMolded rubber O-ring type.
1993MazdaProtege1.8LL4N/AMolded rubber O-ring type.
1992Mazda3231.6LL4N/AMolded rubber O-ring type.
1992MazdaMiata1.6LL4N/AMolded rubber O-ring type.
1992MazdaMX-31.6LL4N/AMolded rubber O-ring type.
1992MazdaProtege1.8LL4N/AMolded rubber O-ring type.
1991Mazda3231.6LL4N/AMolded rubber O-ring type.
1991MazdaMiata1.6LL4N/AMolded rubber O-ring type.
1991MazdaProtege1.8LL4N/AMolded rubber O-ring type.
1990Mazda3231.6LL4N/AMolded rubber O-ring type.
1990MazdaMiata1.6LL4N/AMolded rubber O-ring type.
1990MazdaProtege1.8LL4N/AMolded rubber O-ring type.

* 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:

35522

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.