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


  • Upgraded Thermostat & Housing Assembly
  • Stronger cast aluminum assembly improves upon original plastic design
  • Replaces dealer part numbers: 11 53 1 720 173, 11531720173
  • Direct replacement
  • Built to strict quality control standards

Over time the mating surfaces on the housing can crack. If you are experiencing these issues replace your housing with our direct replacement!

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. Please keep your invoice for proof of this warranty.

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Vehicle Fit

  • 1994-1995 BMW 530i Thermostat Housing
  • 1994-1995 BMW 540i Thermostat Housing
  • 1993-1995 BMW 740i Thermostat Housing
  • 1993-1995 BMW 740iL Thermostat Housing
  • 1994-1995 BMW 840Ci Thermostat Housing

This part replaces:

  • OE # 11531720173
Only 1 left in stock
Part #: 1AEMX00268

Ships Same Day for orders placed by 4 P.M. ET