NHTSA ID Number: 11020220
Manufacturer Communication Number: C7000
TSB/Document Date: 2025-07-07
Summary
This Warranty Field Campaign is being issued to address o-ring replacements at the air compressor coolant lines on certain X15
and X12 engines. This will prevent potential coolant leaks due to non-conforming o-ring material. Through this Campaign, it is authorized to repair applicable components at certified repair locations if all criteria are met in the Action section. This is an update to a previously submitted communication.
Warranty Field Campaign
Campaign Number: c7000
Revision: A
Released Date: 05-Jun-2025
Expiration Date (U.S. and Canada): 15-Jun-2026
Expiration Date (International
): 15-Jun-2026
X Platform Air Compressor Coolant Tube O-Ring Replacement Campaign
Attention
Worldwide distr./ branches and Div./Reg Offices
U.S. / Canadian Dealers
U.S. / Canadian Distr./Branches and Div. Offices (Automotive)
This is to revise and replace Campaign 7000, dated 05-May-2024. This revision is to:
1. Extend the Expiration date to: 15-Jun-2026.
If additional information is required, please contact your Cummins
Warranty Operations Group Leader.
Description
This Campaign is being issued to address o-ring replacements at the air compressor coolant lines on certain X15
and X12 engines. This will prevent potential coolant
leaks due to non-conforming o-ring material. Through this Campaign, it is authorized to repair applicable components at certified repair locations if all criteria are met in
the Action section.
Action
In order to qualify for repair under this field action, an engine:
1. will be covered Regardless of coverage status, and
2. must show as OPEN on QuickServe® Online for this field action.
Note : The ESN list is attached for reference.
After verifying that the engine meets the above requirements, perform the following actions:
1. Per Repair Procedure 012-004, disconnect batteries, drain cooling system and remove coolant lines from air compressor.
2. Replace o-ring at both ends of the elbow fittings from both coolant supply and drain lines. Please refer to Attachment B for visual aide.
3. Once all 4 o-rings have been installed, complete air compressor coolant lines installation. Please refer to the appropriate Service Manual for detailed instructions.
Material Disposition
Materials removed as a result of this field action must be scrapped.
Reimbursements
Parts
The following parts are covered under this field action:
Part Number
Quantity
Description
362769500
2
SAL,RNG
367878600
2
SAL,RNG
Note : SRTs to gain access that are required to complete the repair, that are sufficiently explained in the claim narrative, may also be claimed on this
action.
Note : All SRTs listed are OPTIONAL. Select ONLY the appropriate SRTs for the repair performed.
Labor Using Applicable Access Code and Time
SRT Code
Description
00-90F
TECHNICIAN ADMINISTRATIVE TIME - FIELD
ACTION SERVICE EVENTS
12-01X
Air Compressor Coolant Lines - Remove and Install X15
CM2350 X116B (OPTIONAL)
12-042
Air Compressor Coolant Lines - Remove and Install ISX12N CM2380 X120B (OPTIONAL)
12-05Y
Air Compressor Coolant Lines - Remove and Install,
All - X15
CM2450 X124B (OPTIONAL)
Time (hrs)
SRT Code
Description
12-097
Air Compressor Coolant Lines - Remove and Install,
All - X15
CM2350 X129B (OPTIONAL)
12-0AC
Air Compressor Coolant Lines - Remove and Install,
All - X15
CM2450 X134B (OPTIONAL)
12-0AN
Air Compressor Coolant Lines - Remove and Install,
All - X15
CM2350 X130C (OPTIONAL)
12-0AQ
Air Compressor Coolant Lines - Remove and Install,
All - X15
CM2350 X132C (OPTIONAL)
12-0B2
Air Compressor Coolant Lines - Remove and Install,
All - X15
CM2350 X131 (OPTIONAL)
12-110
Coolant Supply Line, Air Compressor - Remove and
Install (OPTIONAL)
12-111
Coolant Drain Line, Air Compressor - Remove and
Install (OPTIONAL)
12-114
Coolant Supply Line, Air Compressor - Remove and
Install (OPTIONAL)
12-115
Coolant Drain Line, Air Compressor - Remove and
Install (With EGR) (OPTIONAL)
Time (hrs)
Travel
Travel is not covered under this field action. Towing is not covered under this field action.
Other Claimables
Consumables are covered under this field action.
Note : Additional parts, such as o-rings, gaskets and fasteners, that are required to complete the repair, but not listed, may be claimed in Other
Claimables. Please consolidate all consumables and claim them as one line item in Other Claimables titled CAMPAIGN SUPPLIES or other
appropriate selections. Please include brief summaries on the details of items claimed. A lack of documentation in the narrative may result in a
reduction in claim reimbursement or claim denial.
Claim Instructions
For Cummins
Dealers, claims for this Field Campaign must be filed via RAPIDSERVE™ Web (rsw.cummins.com). For information regarding RAPIDSERVE™ Web, please
reference the "Warranty" tab in QuickServe® Online. If there are additional questions, please contact your local Cummins
Distributor.
Claim Codes
Description
Code
Account Code:
65
Pay Code:
North America Distributor = X
Pay Code:
North America Dealer = D
Pay Code:
International
Distributor = I
Pay Code:
International
Dealer = R
Failure Code:
WKCORA
Attachments
Click here to see c7000_esn-list.xlsx
(/service/english/attachments/c7000_esn-list.xlsx) Click here to see c7000_attachment-b.pdf
(/service/english/attachments/c7000_attachment-b.pdf)
Engine Family
ISX, QSX15 ISX15![]()
ISX, QSX15 ISX15![]()
ISX, QSX15 ISX15![]()
ISX, QSX15 ISX15![]()
ISX, QSX15 ISX15![]()
ISX, QSX15 ISX15![]()
ISX, QSX15 ISX15![]()
ISX, QSX15 ISX15![]()
ISX, QSX15 ISX15![]()
ISX11.9
Fuel System
Engine Family
Fuel System
ISX, QSX15 ISX15![]()
Design Application
Market Application
Automotive
Automotive
Automotive
Automotive
Automotive
Automotive
Industrial
Construction
Automotive
Automotive
Generator Unit
All
Automotive
Automotive
Industrial
Construction
Industrial
Agriculture
Generator Unit
All
Automotive
Automotive
Automotive
Automotive
Document History
Date
Details
Document Created; 05-Mar-2024
Extend the Expiration date; 05-Jun-2025
Last Modified: 05-Jun-2025
C7000 – Attachment B
X Platform Air
Compressor Coolant
Tubes O-Ring
Replacement Campaign
DATE: 3/5/2024
Cummins
Confidential
X Platform Air Compressor O-Ring
Seals at Coolant Elbows Campaign
1. Overview
2. O-Ring Seals at the Coolant Elbow Visual Aid.
Cummins
Confidential
2
Overview
1. Overview
This field action provides authorization for certified repair locations to replace o-rings at the coolant in and
out elbows on the air compressor with the corresponding part numbers ONLY.
The following page will detail the location of the o-rings to be replaced at the coolant elbows for the Air
Compressor to avoid potential leaks due to non-conforming material.
Cummins
Confidential
3
Air Compressor Assembly
O-Ring Seal Replacement
Exploded View on Air Compressor Coolant Elbow (Part #3331872)
Field Action to Replace O-Rings on Elbow Only. Part Numbers
listed below:
• Part# 3627695 O-Ring Seal (#2)
• Part# 3678786 O-Ring Seal (#3)
Cummins
Confidential
4
5
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TSB/Document ID: C7000
Replacement Service Bulletin Number:
MFR Communication Date: 2025-06-05
MFR Internal Campaign ID/Software Version: C7000
Communication Type: Service Campaign
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
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