One New Aftermarket ThermostatTech Info:-Opening temperature of 80°C (176°F)-Spring: A calibrated spring provides the closing force to keep the valve shut until the opening temperature is reachedMade to Fits Volvo:Engines Models: 230B, 230A, 250B, 251A, AQ120B, AQ125A, AQ125B, AQ131A, AQ131B, AQ131C, AQ131D, BB140A, AQ140A, BB145A, AQ145A, AQ145B, AQ151A, AQ151B, AQ151C, AQ171A, AQ171CReplaces Part Number(s): 875580