NHTSA ID Number: 10171206
Manufacturer Communication Number: IS-19910G
TSB/Document Date: 2020-02-08
Summary
Revision : Mention added stating to disable Prime.
Instruction Sheet
IS-19910G
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH
DELCO REMY ALTERNATOR
H3 coaches (2PCH…) US10 to GHG17 incl. (B-1721 to J-0184)
REVISION : G
Jan 24, 2020
THIS DOCUMENT SUPERSEDES PREVIOUS VERSION.
Mention added stating to disable “Prime”
IMPORTANT NOTE
VEHICLES EQUIPPED WITH OPTIONAL PRIME ENERGY MANAGEMENT SYSTEM
TO PREVENT OVERLOADING THE L.H. SIDE ALTERNATOR, IT IS VERY IMPORTANT TO
DISABLE « PRIME » SYSTEM ON VEHICLES RECEIVING THIS CONVERSION. PLEASE
CONTACT YOUR NEAREST PREVOST
SERVICE CENTER TO HAVE THE PRIME
SYSTEM DISABLED. A SOFTWARE TOOL IS NEEDED TO DO SO.
Recommended Alternator Conversion Kits
Take note that you can install a Delco Remy 55SI 24V-250A alternator on the engine curbside using one
of the following recommended installation kit:
Kit:
IS19913
Applicable to: H3 Series, US10
Kit:
IS19908
Applicable to: H3 Series, from D-2364 up to J-0184
Writer:
EL
MATERIAL
Kit IS19910 contains the following parts:
Qty
Part No.
DESCRIPTION
050195
FAN SUPPORT PANEL
A1
1
050200
UPPER SHROUD TRANSITION
A6
1
050201
LEFT SHROUD TRANSITION
A7
1
050202
RIGHT SHROUD TRANSITION
A8
1
050203
LOWER SHROUD TRANSITION
A9
1
050204
UPPER LEFT SHROUD PANEL H3 US10+
A11
1
050229
ELECTRICAL CONNECTOR COVER
A15
1
050206
UPPER RIGHT SHROUD PANEL H3 US10+
A12
1
050213
LOWER SHROUD PANEL H3 US10+
A14
1
050208
LH SIDE SHROUD PANEL H3 US10+
A10
1
050255
RH SIDE SHROUD PANEL & WURTH BOX SUPPORT
H3 US10+
A13
1
012349
IDLER PULLEY
Mechanical
1
Writer:
EL
IS-19910G
Page 3 / 76
012941
PULLEY, DRIVE
Mechanical
1
010090
L.H. ENGINE MOUNT
Mechanical
1
011213
SUPPORT, IDLER + TENSIONER
069893
PULLEY, DELCO REMY ALTERNATOR 10PK 69 DOB
Mechanical
1
453076
CAP, DUST
Mechanical
1
506067
1x BELT 10PK1703 ARAMIDE
1x BELT 10PK1703 ARAMIDE (for your spare kit)
Mechanical
2
510991
TENSIONER, BELT
Mechanical
1
560720
DELCO REMY ALTERNATOR 55SI 24V-250A
Mechanical
1
050286
CAC INLET PIPE H3 US10+
Pipe
1
050406
CAC OUTLET PIPE H3 US10+
Pipe
1
050414
RADIATOR INLET COOLANT PIPE H3 US10+
Pipe
1
050288
Pipe
1
EL
Writer:
Mechanical
1
IS-19910G
Page 4 / 76
Fitting
1
Fitting
1
Fitting
1
Fitting
1
HOSE 3/8 ID X 61'' LONG
hose
1
HOSE, FLEXIBLE - CHARGE AIR
Hose
1
Hose
1
Hose
1
Hose
1
Hose
1
Hose
3
501027
FITTING, SAE 45º #4FL-Mx1/4NPT-M BR
501308
ADAPTER / PIPE FITTING / 1/4NPT-Fx1/4NPT-M BR
501329
ELBOW 45º / PIPE FITTING / 1/4NPT-Mx1/4NPT-F BR
501332
ELBOW 90º / PIPE FITTING / 1/4NPT-Mx1/4NPT-F BR
052366
030096
Location: engine intake
550095
HOSE, FLEXIBLE - CHARGE AIR
Location: turbo outlet
531469
HOSE, FLEXIBLE - CHARGE AIR
Location: CAC outlet
531471
HOSE, FLEXIBLE - CHARGE AIR
Location: CAC inlet
052889
HOSE, SILICONE 2 1/2" ID
Location : coolant pipes
053617
HOSE, SILICONE
Location : coolant pipes
EL
Writer:
IS-19910G
Page 5 / 76
21490616
CLAMPS, SPRING LOAD - CHARGE AIR
Clamps
8
Clamps
4
Clamps
16
Clamps
4
Location: CAC outlet & inlet
21490630
CLAMP, SPRING LOAD - CHARGE AIR
Location: turbo outlet & engine intake
992089
HOSE CLAMP CT CAILLAU 60mm-80mm
Location : coolant pipes
992081
HOSE CLAMP CT CAILLAU 12-22
Location : coolant filter
21185073
MOUNT, ANTI-VIBRATION
Support
/bracket
1
050305
BRACKET, RADIATOR INLET PIPE
Support
/bracket
1
050265
Support
/bracket
1
050303
ALTERNATOR TELLTALE BRACKET
Support
/bracket
1
050214
Support
/bracket
1
069890
LH LOWER ALTERNATEUR SUPPORT
Support
/bracket
1
EL
Writer:
IS-19910G
Page 6 / 76
069891
LH UPPER ALTERNATEUR SUPPORT
Support
/bracket
1
069205
DECAL, WARNING
Misc.
2
010111
DECAL, BELT
Misc.
1
391028
INSERT, ALTERNATOR TELLTALE
Misc.
1
506025
RUBBER EXTRUSION, BLACK
Misc.
8 ft
380360
GROUND STUD
Misc.
1
506040
TAPE, ADHESIVE AD1 EPDM CC GY 5/16"X3/4"X25'
Misc.
1
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TSB/Document ID: IS-19910G
Replacement Service Bulletin Number:
MFR Communication Date: 2020-01-24
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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