W0113176
Figure 2 — Cooling System Supply and Return Connection — MP7 Engines
Key
Qty.
Part No.
Description
1
1
21038748
Pipe, stub assembly, coolant return
2
1
20566808
Ring, sealing
3
2
946173
Flange screw, M8 x 1.25 - 20 mm long
4
1
21092290
Pipe, stub assembly, coolant supply
5
1
1547252
Ring, sealing
6
2
946440
Flange screw, M8 x 1.25 - 16 mm long
7
1
948645
Flange locknut, M8 x 1.25 mm long
8
1
977976
Clamp
9
1
965558
Bracket, coolant return support
Note:
On GU models equipped with a fuel heater and engine coolant is used to heat the fuel, these connections provide the
flow of coolant to the fuel heater and cannot be used for in-transit heat.
Mack Body Builder Instructions
CHU, CXU, GU, TD, MRU, LR
USA139046859
Date 5.2017
Body Builder; Engine, MP7, MP8, and MP10
Page 38 (43)
All Rights Reserved
