4.3.4.6 RA lines
1 DU
2 RA line between DU and SU
3 SU
4 RA line between SCR sys-
tems
5 RA line between PFM and
SU
6 RA line between RA tank
and PFM
7 Connection to RA tank
8 PFM
The reducing agent lines are flexible hoses equipped with an SAE J2044 quick-disconnect couplings (QC) and
corrugated tubing for protection.
All RA lines are electrically heated.
RA lines (2) and (4) have an inner diameter of 5.5 mm.
RA lines (5) and (6) have an inner diameter of 7.5 mm.
Design criteria
Design criteria
Value
Material
Elastomer
Technical data
Inner diameter: 5.5 mm and 7.5 mm
Ambient temperature
-40 °C to 120 °C
86 | RA Dosing System | MS15065/01E 2019-01
TIM-ID: 0000072417 - 001
