TSB210055-042920
Service Bulletin Details
Public Details for: TSB210055-042920
This technical service bulletin describes the availability of new high-pressure injector supply lines, fuel supply line, and fuel supply line braces when an existing component within the fuel system may be malfuctioning. This is an update t
- 9999 -
Models from 9999
9999 CUMMINS ISC |
9999 CUMMINS ISL 9 |
9999 CUMMINS L9 |
4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Technical Service Bulletin Technical Service Bulletin: TSB210055 Released Date: 29-Apr-2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces 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 ISC CM2150 ISC CM2250 ISC CM2350 ISC CM850 ISL9 CM2250 ISL9 CM2350 L101 ISL9 CM2350 L111 L9 CM2350 L116B L9 CM2350 L119B L9 CM2350 L120C L9 CM2350 L123B L9 CM2350 L129C QSC8.3 CM2250 https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 1/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces QSL9 CM2350 L102 QSL9 CM2350 L118 QSL9 M CM2250 L106 Description of Change A new fuel rail is available along with new high-pressure injector supply lines, fuel supply line, and fuel supply line braces. The new fuel rail is not compatible with the existing high-pressure injector supply lines. Service Instructions If existing fuel rail has malfunctioned, replace with the new fuel rail. New high-pressure injector supply lines must be used with the new fuel rail. New fuel supply line and new fuel supply line braces must be used with the new fuel rail. If the existing high-pressure injector supply line has malfunctioned, replace with new high-pressure injector supply line. Do not replace the fuel rail. If the existing fuel supply line has malfunctioned, replace with new fuel supply line. Do not replace the fuel rail. Service Parts Availability Service parts are available. See Table 1 for part numbers. Table 1, Service Parts Quantity New Part Number Injector Supply Number Yes 1 5594271 - No No 1 5482141 - 4989322 No No 1 5482142 - 5336420, 4937931 Yes Yes 1 5481953 1 5333472, 4937932, 5285790 Yes Yes 1 5525525 2 Part Description Existing Part Number Obsolete Superseded Accumulator 4307377 Yes 4989442 Brace, Tube Tube, Injector Fuel Supply https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 2/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Table 1, Service Parts Part Description Quantity New Part Number Injector Supply Number Yes 1 5481947 3 Yes Yes 1 5481951 4 5292969, 4937935 Yes Yes 1 5481949 5 5292967, 4936196 Yes Yes 1 5481948 6 5333474, 4980581, 5285791 Yes Yes 1 5525526 - Existing Part Number Obsolete Superseded 5292964, 5266056 Yes 5333473, 4937934 Part Compatibility New fuel rail is only compatible with new high-pressure injector supply lines, and fuel supply line and fuel supply line braces. Existing fuel rail is compatible with either existing or new high-pressure injector supply lines, and fuel supply line and fuel supply line braces. Part Identification All parts colors are for illustration purpose only and do not reflect the actual color of the parts. 1. New fuel rail can be identified by the shape. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 3/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 1, New Fuel Rail. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 4/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 2, Existing Fuel Rail. 2. High pressure injector supply lines can be identified by the shape. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 5/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 3, New High-Pressure Injector Supply Line, Part Number 5481953 (Injector 1). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 6/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 4, Existing High-Pressure Injector Supply Line, Part Number 4937931 (Injector 1). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 7/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 5, New High-Pressure Injector Supply Line, Part Number 55525525 (Injector 2). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 8/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 6, Existing High-Pressure Injector Supply Line, Part Number 4937932 (Injector 2). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 9/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 7, New High-Pressure Injector Supply Line, Part Number 5481947 (Injector 3). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 10/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 8, Existing High-Pressure Injector Supply Line, Part Number 5266056 (Injector 3). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 11/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 9, New High-Pressure Injector Supply Line, Part Number 5481951 (Injector 4). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 12/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 10, Existing High-Pressure Injector Supply Line, Part Number 4937934 (Injector 4). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 13/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 11, New High-Pressure Injector Supply Line, Part Number 5481949 (Injector 5). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 14/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 12, Existing High-Pressure Injector Supply Line, Part Number 4937935 (Injector 5). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 15/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 13, New High-Pressure Injector Supply Line, Part Number 5481948 (Injector 6). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 16/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 14, Existing High-Pressure Injector Supply Line, Part Number 4936196 (Injector 6). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 17/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 15, New Fuel Supply Line, Part Number 5525526 (Pump to Rail). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 18/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 16, Existing Fuel Supply Line, Part Number 5285791 (Pump to Rail). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 19/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces Figure 17, Existing Fuel Supply Line, Part Number 4980581 (Pump to Rail). Document History Date Details 2021-3-4 Module Created 2021-4-29 Updated Product Affected. Last Modified: 29-Apr-2021 https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 20/21 4/30/2021 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, and Fuel Supply Line Braces https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 21/21