If your car is leaking coolant around the thermostat, or your thermostat housing is broken or cracked, then this could be your solution.

Specifications:

  • Direct replacement
  • Replaces dealer part numbers: 11531722531, 11 53 1 722 531
  • Built to strict quality control standards
  • Aluminum construction
  • Fits the following L6 engines as listed:
    • 2.5L
    • 2.8L
    • 3.0L
    • 3.2L

Over time from thermal expansion and contraction the mating surfaces on the housing can warp or crack. If you are experiencing any of these issues replace your thermostat housing with our direct replacement part.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

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Vehicle Fit

  • 1998-1999 BMW 323iC Thermostat Housing L6 2.5L
  • 1998-1999 BMW 323iS Thermostat Housing L6 2.5L
  • 1992-1993 BMW 325iC Thermostat Housing L6 2.5L
  • 1996-1998 BMW 328i Thermostat Housing L6 2.8L
  • 1996-1999 BMW 328iC Thermostat Housing L6 2.8L
  • 1996-1999 BMW 328iS Thermostat Housing L6 2.8L
  • 1993-1995 BMW 525i Thermostat Housing L6 2.5L
  • 1993-1994 BMW 525iT Thermostat Housing L6 2.5L
  • 1995 BMW M3 Thermostat Housing L6 3.0L
  • 1996-1999 BMW M3 Thermostat Housing L6 3.2L
  • 1997-1998 BMW Z3 Thermostat Housing L6 2.8L

This part replaces:

  • OE # 11531722531
Part #: 1AEMX00013