TSB140026-082020

New Exhaust Manifold Gasket
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Technical Service Bulletin
Technical Service Bulletin:
TSB140026
New Exhaust Manifold Gasket
Released Date: 20-Aug-2019
New Exhaust Manifold Gasket
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
• ISL9 CM2350 L101
◦ Application: North America Transit Bus Only
• L9 CM2350 L123B
◦ Application: North America Transit Bus Only
• ISL G CM2108
Description of Change
This document introduces new part numbers for the exhaust manifold gasket.
Reason for Change
New exhaust manifold gasket and exhaust manifold section, Part Number 5321189,
reduces warping and improves sealing at high operating temperatures.
Service Parts Availability
Service parts are available. See Table 1 for part numbers.
Table 1, Service Parts
Part
Description
Existing Part
Number
Obsolete
Superseded
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2014/tsb140026.html
New Part
Number
8/22/2019
New Exhaust Manifold Gasket
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Table 1, Service Parts
Part
Description
Existing Part
Number
Obsolete
Superseded
New Part
Number
GASKET,EXH
AUST
MANIFOLD
5269779
No
No
5316185
Part Identification
Figure 1, Exhaust Manifold Gasket. Left: Existing Design. Right: New Design.
Document History
Date
Details
2014-2-25
Module Created
2014-3-12
none
2019-8-16
Updated project affected and added Figure 1.
Last Modified: 20-Aug-2019
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2014/tsb140026.html
8/22/2019
New Exhaust Manifold Gasket
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2014/tsb140026.html
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8/22/2019