SECTION 303-03A: Engine Cooling
2014 Mustang Workshop Manual
REMOVAL AND INSTALLATION
Procedure revision date: 01/07/2013

Thermostat and Thermostat Housing — Exploded View

 
Thermostat - 3.7L

Item Part Number Description
1 8B273 Lower radiator hose
2 15161 Lower radiator hose clamp
3 W500014 Coolant inlet connector bolt (2 required) (part of 8592)
4 8594 Coolant inlet connector (part of 8592)
5 8255 Thermostat O-ring seal (part of 8592)
6 8575 Thermostat (part of 8592)


 
Thermostat Housing - 3.7L

Item Part Number Description
1 15161 Thermostat housing-to-degas bottle hose clamp
2 8276 Thermostat housing-to-degas bottle hose
3 15161 Upper radiator hose clamp
4 8B274 Upper radiator hose
5 15161 Coolant return hose clamp
6 8K289 Coolant return hose
7 15161 Lower radiator hose clamp
8 8B273 Lower radiator hose
9 W714841 Thermostat housing bolts
10 8592 Thermostat housing
11 8565 Coolant inlet tube O-ring seal
12 8A571 Thermostat housing inlet O-ring seal (part of 8592)


 
Thermostat - 5.0L and Boss® 302

Item Part Number Description
1 8B273 Lower radiator hose
2 15161 Lower radiator hose clamp
3 W500014 Coolant inlet connection bolt (2 required) (part of 8A586)
4 8K528 Coolant inlet connection (part of 8A586)
5 8255 Thermostat O-ring seal (part of 8A586)
6 8575 Thermostat (part of 8A586)


 
Thermostat housing - 5.0L and Boss® 302

Item Part Number Description
1 8D037 Upper radiator hose spring clip (part of 8260)
2 8260 Upper radiator hose
3 8D058 Upper radiator hose O-ring seal (part of 8260)
4 8D037 Upper radiator hose T-connector spring clip (part of 8566)
5 8D058 Upper radiator hose T-connector O-ring seal (part of 8566)
6 15161 Lower radiator hose clamp
7 8286 Lower radiator hose
8 W713197 Thermostat housing bolts (2 required)
9 8A586 Thermostat housing
10 8A571 Thermostat housing gasket (part of 8A586)


 
Thermostat and Thermostat Housing - 5.8L (4V)

Item Part Number Description
1 N605893 Coolant outlet connector bolt (2 required)
2 8594 Coolant outlet connector
3 8255 Thermostat O-ring seal
4 8575 Thermostat
5 ECT sensor electrical connector (part of 12C508)
6 8A586 RH thermostat housing-to-intake manifold hose clamp
7 8A595 RH thermostat housing-to-intake manifold hose
8 8A586 LH thermostat housing-to-intake manifold hose clamp
9 8A595 LH thermostat housing-to-intake manifold hose
10 15161 Lower radiator hose clamp
11 8B273 Lower radiator hose
12 8287 Upper radiator hose clamp
13 8B274 Upper radiator hose
14 8287 Thermostat housing-to-oil filter adapter hose clamp
15 6B851 Thermostat housing-to-oil filter adapter hose
16 W520413 Thermostat housing nut (2 required)
17 9K478 Thermostat housing
  1. Refer to the procedures and/or exploded views in this section for any Warnings, Notices, Notes, Materials, Specifications, and Special Tools. Items in the exploded views may not be listed in order of removal.