NHTSA ID Number: 10165412
Manufacturer Communication Number: SB26-051
TSB/Document Date: 2019-09-27
Summary
Service Bulletin for DT12 Transmission Cooler Retrofit
DD13, Cascadia 125" Cab)
23-11427-050
23-12135-002
23-12262-001
23-13322-008
23-13563-000
23-13629-075
1
2
1
1
1
2
23-13687-000
12
N910105 008006
DDE N910105008008
N910143 008005
DDE N910112008000
DDE N000000003175
23-12625-010
23-12631-381
A07-22753-001
A07-24611-002
A07-24612-002
TYCDCT110HIR
07-24018-001
23-13490-025
1
1
6
1
3
4
1
1
1
1
1
1
4
1
2 (not required if
vehicle has an
existing oil cooler)
FITTING, OIL COOLER, M18X1.5/JIC
N/A
A 007 997 74 70
SEALANT, ANAEROBIC
N/A
LOCTITE 518 or
DDE23513509 or
equivalent
1
CAP, -8 JIC
N/A
8 FNTX-S (or equivalent)
2 (only required if
vehicle has an
existing cooler)
Table 4, Parts Required, BOM 383-T20003 (DT12A, DD13, Cascadia 125" Cab)
Parts Required, BOM 383-T20004 (DT12A, DD15, Cascadia 125" Cab)
Reference
Part Number
Item Description
Number
TUBE-HOT,P3,DD15,DT12A
5
07-24618-000
TUBE-COLD,P3,DD15,DT12A
6
07-24619-000
BRKT-RAD SUPT,P3,DT12,AOC
18
07-24620-000
SWIVEL-90 DEG,8 C6X,FT
15
23-12135-002
SPACER-NYLON, .38 ID X .31 LG, .75 OD
21
23-12262-001
STRAP-TIE, DUAL, STAND OFF
17
23-13322-008
BOLT-HEX, FLANGE HEAD-SCREW HEX
14
23-13345-020
FLANGE,M8
Freightliner Service Bulletin, 09/18/2019
Qty
1
1
1
2
1
1
1
Page 25
26-051
DT12 Transmission Cooler Retrofit
Freightliner
Service Bulletin
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
Century Class Conventional
Argosy COE
Cargo
Columbia
Parts Required, BOM 383-T20004 (DT12A,
BRACKET-ANGLE, STANDOFF
23
STUD DOUBLE END STL M8-1.25
16
DUAL TUBE CLAMP, VNYL DIPPD,3/4
20
CLAMP-COOLER LINE, TUBE SNAP
7
VERSION
BOLT HEX HEAD FLANGE M8X1.25X16-10.9
11
BOLT-M8X40,GRD8.8,DBL9440.40
8
NUT, HX FLNG MTRC,M8X1.25,CLS 8
19
NUT
9
NUT-U, METRIC,M8X1.25
N/A
NUT, INSERT
N/A
BRACKET-SUPPORT, TRANS COOLER
12
TUBE-JUMPER,HOT,P3,AOC
3
TUBE-JUMPER,COLD,P3,AOC
4
TIE-STRAP,2 HOSES,.375 TO 2.25
10
COOLER-XMSN,DT12,P3/5700
N/A
SCR-MACH,RHWC,HDI,DGPT,M8X25
50
VALVE, OIL PUMP CONTROL, KIT
N/A
122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD
DD15, Cascadia 125" Cab)
23-13426-005
23-13563-000
23-13629-075
1
1
2
23-13687-000
14
DDE N910105008008
N910143 008005
DDE N910112008000
DDE N000000003175
23-12625-010
23-12631-381
A07-22753-001
A07-24611-000
A07-24612-000
TYCDCT110HIR
07-24018-001
23-13490-025
1
7
1
4
4
1
1
1
1
1
1
4
1
2 (not required if
vehicle has an
existing oil cooler)
FITTING, OIL COOLER, M18X1.5/JIC
N/A
A 001 997 74 70
SEALANT, ANAEROBIC
N/A
LOCTITE 518 or
DDE23513509 or
equivalent
1
CAP, -8 JIC
N/A
8 FNTX-S (or equivalent)
2 (only required if
vehicle has an
existing cooler)
Table 5, Parts Required, BOM 383-T20004 (DT12A, DD15, Cascadia 125" Cab)
Parts Documentation
Using the global annotation tool on PartsPro, identify the BOMs added/changed to the vehicle. See Parts
Technical Bulletin 00-009 for the global annotation procedure. See Table 6 for the BOM cross-reference list.
Using the approved parts documentation process, add a Global Annotation to the Vehicle Identification Number
to identify the BoMs added/changed to the vehicle which provides information and traceability for future service
and parts support.
• Add the new cooler, lines, and updated radiator BoM to module 266.
• Add the new baffle part number to BoM 278.
• Add the new BoM to the existing 342 module.
Description
Oil Cooler Lines
Page 26
Original and New BOM Cross Reference
Original BoM/Part
New BoM/Part
Notes
383-C05113
383-T20000
B-BOX, DD13, Cascadia 113"
Freightliner Service Bulletin, 09/18/2019
26-051
DT12 Transmission Cooler Retrofit
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
Century Class Conventional
Argosy COE
Cargo
Columbia
383-C05136
383-C05152
383-C05170
383-C05114
383-C05137
383-C05153
383-C05171
383-C05154
383-C05172
383-C05155
383-C05173
383-C05208
383-C05228
383-C05246
383-C05255
383-C05210
383-C05229
383-C05247
383-C05256
383-C05258
383-C05259
122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD
Original and New BOM Cross Reference
383-T20000
B-BOX, DD13, Cascadia 113"
383-T20000
B-BOX, DD13, Cascadia 113"
383-T20000
B-BOX, DD13, Cascadia 113"
383-T20001
B-BOX, DD13, Cascadia 125"
383-T20001
B-BOX, DD13, Cascadia 125"
383-T20001
B-BOX, DD13, Cascadia 125"
383-T20001
B-BOX, DD13, Cascadia 125"
383-T20002
A-BOX, DD13, Cascadia 113"
383-T20002
A-BOX, DD13, Cascadia 113"
383-T20003
A-BOX, DD13, Cascadia 125"
383-T20003
A-BOX, DD13, Cascadia 125"
383-T20004
A-BOX, DD15, Cascadia 125"
383-T20004
A-BOX, DD15, Cascadia 125"
383-T20004
A-BOX, DD15, Cascadia 125"
383-T20004
A-BOX, DD15, Cascadia 125"
383-T20004
A-BOX, DD15, Cascadia 125"
383-T20004
A-BOX, DD15, Cascadia 125"
383-T20004
A-BOX, DD15, Cascadia 125"
383-T20004
A-BOX, DD15, Cascadia 125"
N/A
No ATOC Coverage - 1700 sq. inch RAD
N/A
No ATOC Coverage - 1700 sq. inch RAD
Lower Baffle
A05-30679-000
A05-30679-001
A05-31358-000
A05-31358-001
A05-30936-000
A05-30679-002
A05-30679-002
A05-31358-002
A05-31358-002
A05-31358-002
Cooler
N/A
370-C12700
266-C20601
266-C20603
266-C20605
266-C20607
266-C20814
266-C20614
266-C20615
266-C20616
266-C20617
N/A
342-C92045
342-C92719
342-C92041
342-C92112
342-C88302
342-C92109
342-C92292
342-C92720
342-C92290
342-C92042
342-C91916
342-C92772
Freightliner Service Bulletin, 09/18/2019
Freightliner
Service Bulletin
Cascadia
Cascadia
Cascadia
Cascadia
Page 27
26-051
DT12 Transmission Cooler Retrofit
Freightliner
Service Bulletin
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
342-C93187
342-C92962
342-C93224
342-C88482
342-C91687
342-C92111
342-C93216
342-C92113
342-C93222
Century Class Conventional
Argosy COE
Cargo
Columbia
122SD and Coronado
Business Class M2
> Cascadia
108SD/114SD
Original and New BOM Cross Reference
342-C91916
Swap the driveline flange to the new trans.
342-C92772
Swap the driveline flange to the new trans.
342-C92772
342-C88347
342-C91856
342-C93215
342-C93215
342-C93214
342-C93214
Table 6, Original and New BOM Cross Reference
Warranty
This is an informational bulletin only. Warranty does not apply.
Page 28
Freightliner Service Bulletin, 09/18/2019
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TSB/Document ID: SB26-051
Replacement Service Bulletin Number:
MFR Communication Date: 2019-09-27
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Communication Type: Service Bulletin/Repair Instructions
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