NHTSA ID Number: 11034059
Manufacturer Communication Number: CE031
TSB/Document Date: 2026-06-25
Summary
"KW & PB 14 fuel injector part numbers (seven for MX-11 and seven for MX-13 engines) have been added to this warranty policy."
Whats New Abstract
14 fuel injector part numbers (seven for MX-11 and seven for MX-13 engines) have been added to this
warranty policy.
Introduction
U.S. & Canada Federal emissions regulates that the warranty coverage is a period of ten (10) years or
435,000 miles (700,000 km) or 22,000 engine hours from the original warranty registration date,
whichever comes first, for these specific components on the EMY2022 PACCAR
MX-11 and MX-13
Engines. PACCAR has implemented the extension and it is effective retroactively unless the part is listed
as ineligible for reimbursement below.
Revision
06/19/2026 – 14 fuel injector part numbers (seven for MX-11 and seven for MX-13 engines) have been
added to this warranty policy.
02/26/2026 – Fuel Injection Pump part number 2344776PEX for MX-13 engines has been added to this
warranty policy.
01/27/2026 – DPF Delta Pressure Sensor part number 2200138 for MX-11 engines has been added to
this warranty policy.
08/19/2025 – Fuel injector pump part number 2185361 for MX-13 engines has been added to this
warranty policy.
03/26/2025 – Fuel injector part numbers for MX-11 and MX-13 engines have been added to this warranty
policy.
12/19/2024 – DPF Delta Pressure Sensor part number 2200138PE for MX-13 engines has been added
to this warranty policy.
04/02/2024 – Fuel injector part number 2314736PEX for MX-11 engines has been added to this warranty
policy.
08/30/2023 – Fuel injector part number 2314737PEX for MX-13 engines has been added to this warranty
policy.
Condition
Units that have coverage under this warranty will be identified in Service Information Record
(SIR):
Sales Code
overage
C
Description
9480836
W: MX
E
Emissions
10yr/435K
Miles (700K
KM) - Engine
MY2022
PD Part
P
Number
Part
Claim Failure
Description Type Location
Injector,
044-0042314737 (PEX) MX-13, Engine
001
EPA21
Injector,
044-0042314736 (PEX) MX-11, Engine
001
EPA21
Fuel
Injector,
044-0042383578 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042383579 (PEX)
Engine
MX-13,
001
EPA21
Fuel
Injector,
044-0042394547 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042394548 (PEX)
Engine
MX-13,
001
EPA21
Fuel
Injector,
044-0042403775 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042403776 (PEX)
Engine
MX-13,
001
EPA21
Fuel
Injector,
044-0042403200 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042403201 (PEX)
Engine
MX-13,
001
EPA21
Fuel
Injector,
044-0042403777 (PEX)
Engine
MX-11,
001
EPA21
2403778 (PEX)
2423651 (PEX)
2423652 (PEX)
2423653 (PEX)
2423654 (PEX)
2426853 (PEX)
2426854 (PEX)
2426855 (PEX)
2426856 (PEX)
2429854 (PEX)
2429855 (PEX)
2428773 (PEX)
2428774 (PEX)
2452061 (PEX)
2452062 (PEX)
Fuel
Injector,
MX-13,
EPA21
Fuel
Injector,
MX-11,
EPA21
Fuel
Injector,
MX-13,
EPA21
Fuel
Injector,
MX-11,
EPA21
Fuel
Injector,
MX-13,
EPA21
Fuel
Injector,
MX-11,
EPA21
Fuel
Injector,
MX-13,
EPA21
Fuel
Injector,
MX-11,
EPA21
Fuel
Injector,
MX-13,
EPA21
Fuel
Injector,
MX-11,
EPA21
Fuel
Injector,
MX-13,
EPA21
Fuel
Injector,
MX-11,
EPA21
Fuel
Injector,
MX-13,
EPA21
Fuel
Injector,
MX-11,
EPA21
Fuel
044-004001
044-004001
044-004001
044-004001
044-004001
044-004001
044-004001
044-004001
044-004001
044-004001
044-004001
044-004001
044-004001
044-004001
Engine 044-004-
Injector,
001
MX-13,
EPA21
Fuel
Injector,
044-0042460409 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042460410 (PEX)
Engine
MX-13,
001
EPA21
Fuel
Injector,
044-0042460411 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042460412 (PEX)
Engine
MX-13,
001
EPA21
Fuel
Injector,
044-0042460413 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042460414 (PEX)
Engine
MX-13,
001
EPA21
Fuel
Injector,
044-004
Engine
MX-13,
001
EPA21
Fuel
Injector,
044-004
Engine
MX001
11, EPA21
Fuel
Injector,
044-0042461235 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042461236 (PEX)
Engine
MX001
13, EPA21
Fuel
Injector,
044-0042477784 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042477785 (PEX)
Engine
MX001
13, EPA21
Fuel
Injector,
044-0042477786 (PEX)
Engine
MX-11,
001
EPA21
2477787 (PEX)
Fuel
Engine044-004Injector,
001
MX13, EPA21
Fuel
Injector,
044-0042477862 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042477863 (PEX)
Engine
MX001
13, EPA21
Fuel
Injector,
044-0042477864 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042477865 (PEX)
Engine
MX001
13, EPA21
Fuel
Injector,
044-0042491046 (PEX)
Engine
MX-11,
001
EPA21
Fuel
Injector,
044-0042491047 (PEX)
Engine
MX001
13, EPA21
Fuel Injector
Pump, MX044-0032185361 (PE)
Engine
11, MX-13,
218
EPA21
DPF Delta
Pressure
043-0062200138
Sensor, MX- Engine
007
11, MX-13,
EPA21
Fuel
Injection
044-0032344776 (PEX)
Engine
Pump, MX218
13
For reimbursement of past repairs, unless noted above as not eligible, file a claim in accordance
with the warranty procedure manual.
Attach an invoice and receipt to the claim to document the repair and payment made.
In addition, attach receipt of reimbursement made to customer for the initial invoice/costs of repair.
Retroactive claims without these items will be denied.
Warranty
The emissions warranty will cover the repair costs for any failure of an emissions-related part described
in this bulletin that results under normal use and service, caused by a warrantable failure, which must be
the result of a defect in material and/or factory workmanship. Reimbursement will include:
• Parts
• Labor
• Consumables (when not reusable)
N OT E
Cummins-powered chassis do
not have Extended Emissions
Coverage under this bulletin.
PROACTIVE REPAIRS ARE NOT COVERED BY THIS PROGRAM
Towing will only be covered if 'engine' emission component failure occurs within the base engine period
of 24 months/250,000 miles/6,250 hours, whichever comes first. Outside of base engine coverage,
towing and travel are excluded.
PACCAR will pay for reasonable labor costs for engine removal and reinstallation when necessary to
- Formulated for engines with 75,000 miles or more, Valvoline...
- Delivers 20% better wear protection and 15% better sludge...
- Extra detergents safeguard against friction, corrosion and...
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TSB/Document ID: CE031
Replacement Service Bulletin Number:
MFR Communication Date: 2026-06-24
MFR Internal Campaign ID/Software Version: CE031
Communication Type: Warranty Program/Extension
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
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