Stant 14622 Engine Coolant Thermostat

OE Type Thermostat for BMW Cooling Systems

Stant 14622 is an OE Type Thermostat built for BMW cooling system service where factory-style temperature control matters. It opens at 198 degrees Fahrenheit and uses a stainless steel assembly for smooth operation and consistent coolant flow.

Built to original equipment design standards, this thermostat is made from durable materials for long service life. It is a direct-fit cooling system replacement for select BMW 320i, 323i, 323is, 323ti, 328i, 328is, 528i, and Z3 applications.

Key Features

• Stant OE Type Thermostat, part number 14622
• 198 degrees Fahrenheit opening temperature
• Original equipment design for factory-style fit and function
• Stainless steel assembly for smooth performance
• Durable construction for extended service life
• Seal included on select BMW applications listed in fitment

Product Details

The Stant 14622 thermostat is engineered for BMW cooling systems that require a 198 degree thermostat specification. Its OE-style design supports proper coolant regulation, helping the engine reach and maintain operating temperature as intended by the vehicle manufacturer. The stainless steel assembly adds stability to the thermostat mechanism, while the durable housing materials are selected for long-term use in demanding underhood conditions. This part number 14622 is a practical replacement choice for BMW owners servicing factory cooling components.

Compatible with 1995 BMW 320i, 1996-1998 BMW 328i, 1996-1999 BMW 328is, 1997-1998 BMW 528i, 1997-1998 BMW Z3, 1998-1999 BMW 323i, 1998-1999 BMW 323is, 1999 BMW 323ti, and 1999 BMW 328i. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Cooling Issues Addressed

• Engine running cooler or warmer than the specified operating range
• Delayed warm-up after cold starts
• Temperature fluctuation caused by a worn thermostat
• Cooling system service on BMW models with OE temperature requirements
• Replacement of a thermostat with sticking or inconsistent valve movement

Installation Notes and Tips

Verify the 198 degree temperature specification before installation and compare the flange and bypass plate dimensions to the original part. Inspect the sealing surface and cooling system condition during service, and replace coolant according to the vehicle manufacturer’s procedure after thermostat installation. For BMW 323i, 323is, 323ti, 328i, 328is, 528i, and Z3 applications, confirm the thermostat orientation and housing fit before reassembly.

Quality Assurance

Stant manufactures this OE Type Thermostat with an original equipment design approach and stainless steel assembly for consistent operation. The part is built from durable materials to support long service life in BMW cooling system applications.