CORNER 7V4181 - Caterpillar

Table 4
Required Parts for C15 Through C32
Item Qty Part Number Part Description
1 1 385-1173 Pressure Sensor Gp
2 1 421-8565 Bracket
3 1 422-3830 Sensor Harness As
4 2 341-0643 Rectangular Seal
5 2 0S-1618 Bolt
6 1 228-7101 O-Ring Seal
7 3 3S-2093 Cable Strap Installation of the 385-1173 Pressure Sensor Gp
Illustration 19 g03444961
C13 engine
Illustration 20 g03444963
C15 engine
Illustration 21 g03444965
C27/C32 engine
Install pressure sensor group (1) using two o-ring seals (4).
Install bracket (2) using two bolts (4). Torques the bolts to 20 N m (15 lb ft).
Connect the sensor to the existing wiring harness using sensor harness assembly (3). Loop the excessive wire and secure to bracket (2) using cable straps (7) .
If the NRS intake pressure sensor was removed, use a new o-ring seal (6) for installation.Replacing the Main Wiring Harness on C13 Through C32 Engines
If replacing the main wiring harness, the NRS Delta Pressure Sensor will also need replaced to the 385-1173 Pressure Sensor Gp. Table 1 contains the part numbers for replacing the main wiring harness.
Table 5
Sales Model New Wiring Harness Part Number Previous Wiring Harness Part Number
C13 426-3719 369-9906
C15/C18 423-4232 368-5645
D8T 423-4242 367-4868
C27/C32
990/992/993K 444-3503 370-3746
C27 Petroleum Generator Set 444-3509 377-6093
C27 Generator Set 444-3506 381-6475
C27/C32 Industrial 444-3511 381-9449
C27/C32
D10T/D11
773/775/777 Off Highway Trucks 444-3505 382-1082