TSB150032-030915

Revised Piston Kit and Piston Ring Set Part Numbers
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Technical Service Bulletin Number
TSB150032
Technical Service Bulletin
Subject
Revised Piston Kit and Piston Ring Set Part Numbers
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
This document introduces the release of a revised piston, piston rings, piston kit, and piston
ring set.
Product Affected


ISX12 G CM2180 EJ
Part Compatibility
CAUTION
There is not a significant visual difference between the revised and obsolete pistons and
piston rings. Pay attention to compatibility notes and part numbers to prevent part
compatibility issues.
Piston Ring
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Revised Piston Kit and Piston Ring Set Part Numbers




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Revised piston ring part numbers must be used on revised piston part numbers only.
Obsolete piston ring part numbers must be used on obsolete piston part numbers only.
Piston Kit


Revised and obsolete piston kits can be used interchangeably within the same engine.
Service Parts Availability
Service parts are available. See Table 1 for part numbers.
Table 1, Piston Kit and Piston Ring Set Part Numbers
Part Description
Obsolete Part Number
Revised Part Number
Kit, Engine Piston1
4309495
4376271
Set, Piston Ring
4309494
4376270
1
The piston kit contains 1 piston ring set, 1 piston pin, 2 retaining rings, and 1 piston.
Part Structure
The existing part numbers have been obsoleted and superseded by the revised part numbers.
The part numbers in Table 2 have been obsoleted and superseded for part identification
purposes. Part numbers in Table 2 can be obtained by ordering the piston kit or piston ring set
in Table 1.
Table 2, Individual Part Numbers
Part Description
Obsolete Part Number
Revised Part Number
Piston,Engine
4330246
4352657
Ring,Compression Piston
2888389
4352702
Ring,Compression Piston
4315886
4352703
Ring,Oil Piston
4315907
4352705
Expander,Piston Ring
4315892
4352706
Production Status
Implemented for production. See Table 2.
Table 2, Plant Information
ESN First
Build Date
Plant
75039549
9 March 2015
Jamestown Engine Plant
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Revised Piston Kit and Piston Ring Set Part Numbers
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Engine build date can be found on the engine dataplate.
Part Inventory Action
Existing part number inventory can be used.
Publications Affected
The ISX12 G CM2180 EJ Service Manual, Bulletin Number 4310682, has been revised. Refer
to Procedure 001-043 in Section 1.
The ISX12 G CM2180 EJ Service Manual, Bulletin Number 4310682, has been revised. Refer
to Procedure 001-047 in Section 1.
Document History
Date
2015-3-9
Details
Module Created
Last Modified: 17-Mar-2015
Copyright © 2000-2010 Cummins Inc. All rights reserved.
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4/1/2015