B & D Series Billet Thermostat Coolant Housing

  • $49.00

Replace your factory cast thermostat housing with this Precision Works billet housing!


  • Honda B-Series and D-Series engines


  • Direct bolt-on replacement

  • Standard 1.25" radiator hose fitting

  • Optional -16AN fitting

  • 1/8 NPT port with plug for accessory or temp gauge

  • Billet 6061 aluminum

  • Precision CNC machined

Installation Note: 

  • May not fit with some scatter shields

  • May require modification for some transmissions