MTU Detroit Diesel 183 Series Technical Publication page 551

Task Description
20-2470a Coolant Thermostat, Removal, Check and Installation
(Ship version 8/12V 183 T..2 with top-mounted intercooler)
1 Elbow, left
2 Gasket
3 Washer
4 Hex screw M8x25
5 Hex screw M8x95
6 Plug-in pipe
7 O-ring 50x5
8 Thermostat housing
9 Thermostat insert
10 Sealing ring
11 Washer
12 Hex screw M8x80
13 Hex screw M8x90
14 Flange
15 Gasket
16 Washer
17 Hex screw M8x35
18 O-ring 50x5
19 Sealing ring A18x22
20 Plug M18x1.5
20080/1 E 98-12
replace.
replace.
with vent notch facing upwards.
replace.
replace.
replace.
replace.
Group 20
Subgroup 2470a
Page 1