(MAHLE BEHR manufacture is direct OEM Volvo Mack supplier. Don't get caught).
OEM Volvo D13 23871486 Thermostat and 23871480 Piston Cooling control valve set
Genuine OEM VOLVO D13 COOLANT RESERVOIR 23911823 23915461
Genuine Volvo D13 Coolant and Oil Temperature Sensor 20513340 21531072
Genuine Volvo Engine Coolant Thermostat - 271664
Genuine Volvo Engine Coolant Thermostat Gasket 6842214
VOLVO D12 coolant thermostat 8149182 Genuine MAHLE made in Germany