NHTSA ID Number: 10117356
Manufacturer Communication Number: TSB170022-062720
TSB/Document Date: 2017-09-14
Summary
This Technical Service Bulletin describes the release of a Steel Piston and Aluminum Piston Kit. The new steel piston replaces the original aluminum piston for select ISL G CM2180 models for improved piston durability. This is a revision to a previous communication.
Steel Piston and Aluminum Piston Kit Introduction
Page 1 of 7
Technical Service Bulletin Number
TSB170022
Technical Service Bulletin
Subject
Steel Piston and Aluminum Piston Kit Introduction
Warranty Statement
The information in this document has no effect on present warranty coverage or repair
practices, nor does it authorize TRP or Campaign actions.
Contents
Product Affected
• ISL G CM2180
Description of Change
• New steel and aluminum piston kits have been released.
• The new steel piston replaces the original aluminum piston for select ISL G CM2180
models.
Reason for Change
Improved piston durability.
Customer Communication
Customers who operate 320 hp engines may experience a reduction in power when cruising
at high rpm.
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Steel Piston and Aluminum Piston Kit Introduction
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Service Instructions
CAUTION
Use of an aluminum piston engine control module (ECM ) calibration code in an engine
with steel pistons will create an uncertified engine configuration and can result in
inconsistent and undesirable engine behavior, and possible engine damage.
NOTE: Some engines with specific control parts lists (CPL) are not able to be
converted to steel pistons at this time and must continue to use aluminum pistons.
Reference the Service Parts section below for more information.
Warranty Considerations:
For warrantable piston replacements requiring the upgrade of aluminum pistons to steel
pistons, steel piston upgrade kit, Part Number 5406086, must be used.
Installation of Aluminum Pistons:
• See Table 1 for aluminum piston kit part number and kit contents.
• See Table 4 for a list of CPLs that must use aluminum pistons.
Conversion from Aluminum Pistons to Steel Pistons:
• See Table 2 below for steel piston part numbers and steel piston upgrade kit contents.
• See Steel Piston Installation Instruction, Bulletin 5414627, supplied with the steel
piston upgrade kit.
• See Table 3 for a list of CPLs that are required to use the steel piston upgrade kit
when being converted from aluminum to steel pistons.
• With the exception of the upper and lower gasket kits, all parts in the steel piston
upgrade kit must be used during the conversion from aluminum pistons. Gaskets that
are not required for the repair of the engine, such as the rear main seal may be
discarded.
• When changing from aluminum to steel pistons, an updated ECM calibration code
must be installed. Reference Table 5 for ECM calibration code information.
• When changing from aluminum to steel pistons, the CPL number will change.
• Upon completion of the conversion from aluminum to steel pistons, an authorized
change label, Part Number 5297400 must be completed and installed on the engine.
See Figure 1 below.
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Steel Piston and Aluminum Piston Kit Introduction
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Figure 1, Steel Piston Authorized Change Label.
Service Parts Availability
Table 1, Aluminum Piston Kit, Part Number 5406108, Contents
Part Description
Part Number
Quantity
Ring, Retaining
3920692
2
Pin, Piston
3934046
1
Set, Piston Ring
4025290
1
Piston, Engine
5311086
1
Table 2, Steel Piston Upgrade Kit, Part Number 5406086, Contents
Part Description
Part Number
Quantity
Kit, Liner
3800328
6
Bearing, Connecting Rod
3950661
12
Kit, Lower Engine Gasket
4089889
1
Kit, Upper Engine Gasket
4352349
1
Kit, Piston Ring
5406026
6
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Steel Piston and Aluminum Piston Kit Introduction
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Table 2, Steel Piston Upgrade Kit, Part Number 5406086, Contents
Part Description
Kit, Engine Piston*
Part Number
5406084
Quantity
6
Aluminum Oil Cooler
5397914
1
Label, Authorized Change
5297400
1
*Kit Includes Piston Cooling Nozzle, Part Number 5341745.
Table 3, Aluminum Piston to Steel Piston Conversion by CPL
Aluminum Piston CPL
Steel Piston Upgrade Kit Part Number
887
5406086
897
5406086
3297
5406086
3517
5406086
3518
5406086
3519
5406086
Steel Piston CPL
5232
Table 4, Aluminum Piston to Aluminum Piston by CPL
Aluminum Piston CPL
Aluminum Piston Kit Part Number
3205
5406108
3235
5406108
4177
5406108
4352
5406108
4365
5406108
4715
5406108
4818
5406108
4819
5406108
4835
5406108
4836
5406108
4926
5406108
Table 5, ECM Calibration Code Cross-Reference
Original ECM Code
Steel Piston ECM Code
AW90001
AW90160
AW90002
AW90154
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Steel Piston and Aluminum Piston Kit Introduction
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Table 5, ECM Calibration Code Cross-Reference
Original ECM Code
AW90003
Steel Piston ECM Code
AW90171
AW90004
AW90140
AW90005
AW90146
AW90006
AW90161
AW90007
AW90150
AW90013
AW90162
AW90014
AW90144
AW90015
AW90172
AW90016
AW90145
AW90017
AW90163
AW90023
AW90151
AW90024
AW90141
AW90025
AW90167
AW90026
AW90147
AW90027
AW90142
AW90028
AW90156
AW90029
AW90164
AW90030
AW90152
AW90031
AW90175
AW90032
AW90173
AW90034
AW90155
AW90035
AW90168
AW90036
AW90157
AW90037
AW90158
AW90038
AW90143
AW90043
AW90125
AW90044
AW90127
AW90045
AW90148
AW90046
AW90128
AW90047
AW90130
AW90048
AW90165
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Steel Piston and Aluminum Piston Kit Introduction
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Table 5, ECM Calibration Code Cross-Reference
Original ECM Code
AW90049
AW90050
AW90133
AW90051
AW90166
AW90052
AW90134
AW90053
AW90153
AW90054
AW90136
AW90055
AW90138
AW90056
AW90170
AW90073
AW90126
AW90074
AW90174
AW90075
AW90129
AW90076
AW90149
AW90077
AW90132
AW90078
AW90139
AW90079
AW90135
AW90080
AW90169
AW90081
AW90137
AW90082
AW90159
Part Compatibility
• Certain engines, based on CPL, are required to upgrade to steel pistons if piston
replacement is required. When upgrading to steel pistons, steel piston upgrade kit,
Part Number 5406086, must be used. All other engine CPLs must use aluminum
pistons. Reference Table 3 and Table 4.
• Steel piston and aluminum piston part numbers are not to be mixed in the same
engine.
Publications Affected
Table 6, Publications Affected
Manual
Type
Engine
Service
Manual
ISL G
CM2180
Bulletin
Number
4021649
Procedure Title Procedure
Section
Piston Cooling
Nozzle
1
Refer to Procedure
001-046
Piston
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1
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Steel Piston and Aluminum Piston Kit Introduction
Page 7 of 7
Table 6, Publications Affected
Manual
Type
Engine
Bulletin
Number
Procedure Title Procedure
Section
Refer to Procedure
001-043
Piston Rings
Refer to Procedure
001-047
1
Lubricating Oil
Cooler
Refer to Procedure
007-003
7
Document History
Date
2017-2-20
2017-3-30
2017-4-13
2017-4-24
2017-6-27
Details
Module Created
Updated part numbers.
Added Warranty Considerations Section.
Updated name of kit.
Added note for part number 5406084.
Last Modified: 27-Jun-2017
Copyright © 2000-2010 Cummins
Inc. All rights reserved.
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6/28/2017
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TSB/Document ID: TSB170022-062720
Replacement Service Bulletin Number:
MFR Communication Date: 2017-06-27
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
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