| 摘要 |
The invention concerns a self-contained unit (6) for internal combustion motor vehicles consisting of two substantially identical half-units (7,8) mounted in opposite directions along a common axis, and assembled sealed one against the other. Each half-unit (7, 8) comprises a hollow part (11, 12) constituting a sleeve for connection with the engine cooling circuit. Heater plugs (24, 25, 26, 27) are fitted in the bores so as to be in contact with the cooling liquid circulating in the unit (6). Said plugs can be four in number in staggered arrangement . The unit (6) also comprises bosses (31, 32) for its being fixed.
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