What identifiers should I send for an 8.9L injector RFQ?
Send the injector part number first, then add ESN, CPL, and equipment context if there is any fitment doubt between ISC, ISL, QSC, and QSL programs.
Application hub
8.9L Cummins XPI injector coverage for fitment-first buyers
This application hub brings ISC, ISL, QSC, and QSL 8.9L injector demand into one place so buyers can move from part number to fitment, trim-code readiness, and RFQ preparation without relying on generic catalog search.
8.9L application fitmentPart number and OEM cross-referenceFitment-first RFQ
Matching injectors
ISC / ISL / QSC / QSL 8.9L XPI injectors
Use the application layer to compare injectors, confirm engine-family scope, and move into the correct fitment and RFQ path faster than a generic catalog search.
Cummins•XPI-2872331
Cummins 2872331 XPI Fuel Injector – ISC / ISL 8.9L (EPA13, on-highway)
Supplied as a new Dieselink XPI injector with a valid trim code and test data; once correctly programmed, your ISC / ISL 8.9L engine typically stays within OEM fuel-balance, emissions and noise limits.
OEM: 2872331, 2872331NX, 2872331PX
Cummins•XPI-4307452
Cummins 4307452 XPI Fuel Injector – ISC / ISL 8.9L (EPA04, on-highway)
Supplied as a new Dieselink XPI injector with a valid trim code and test data; once correctly programmed, your ISC / ISL 8.9L engine typically stays within OEM fuel-balance, emissions and noise limits.
OEM: 4307452, 4307452RX
Cummins•XPI-4327072
Cummins 4327072 XPI Fuel Injector – ISC / ISL 8.9L (EPA10, on-highway)
Supplied as a new Dieselink XPI injector with a valid trim code and test data; once correctly programmed, your ISC / ISL 8.9L engine typically stays within OEM fuel-balance, emissions and noise limits.
OEM: 4327072, 4327072PX, 4327072RX
Cummins•XPI-2872068
Cummins 2872068 XPI Fuel Injector – ISC / ISL 8.9L (EPA07, on-highway)
Supplied as a new Dieselink XPI injector with a valid trim code and test data; once correctly programmed, your ISC / ISL 8.9L engine typically stays within OEM fuel-balance, emissions and noise limits.
OEM: 2872068, 2872068NX, 2872068PX
Cummins•XPI-2872127
Cummins 2872127 XPI Fuel Injector – ISL9 8.9L (ISC / ISL, EPA07 On-Highway)
Supplied as a new Dieselink XPI injector with a valid trim code and test data; once correctly programmed, your ISC / ISL9 engine typically stays within OEM fuel-balance, emissions and noise limits.
OEM: 2872127, 2872127KX, 2872127NX
Cummins•XPI-2872765
Cummins 2872765 XPI Fuel Injector – ISC / ISL 8.9L (EPA10, on-highway)
Supplied as a new Dieselink XPI injector with a valid trim code and test data; once correctly programmed, your ISC / ISL 8.9L engine typically stays within OEM fuel-balance, emissions and noise limits.
OEM: 2872765, 2872765NX, 2872765PX
Cummins•XPI-4359204
Cummins 4359204 XPI Fuel Injector – ISC / ISL 9.3L (Stage 3B, off-highway / industrial)
Supplied as a new Dieselink XPI injector with a valid trim code and test data; once correctly programmed, your ISC / ISL 9.3L engine typically stays within OEM fuel-balance, emissions and noise limits.
OEM: 4359204, 4359204PX, 4359204RX
Next questions
Verify fitment and evidence before you release the RFQ
How to Confirm XPI Injector Fitment Before You Request Quote
The fastest injector quote is not the shortest inquiry. It is the inquiry built on the right identifiers. For XPI applications, different identifiers answer different fitment questions, and no single number should be treated as a universal shortcut.
Why XPI Trim Codes Are Not Optional in the Aftermarket
On a modern XPI injector, the trim code is not decorative text. It is part of the injector’s usable identity, and buyers who treat it as optional usually discover the problem at the worst point in the process: after the quote, during installation, or in the first round of troubleshooting.
What Evidence Should Come With a Verified XPI Injector?
The aftermarket says “tested” far more often than it proves testing. For XPI injectors, serious buyers should expect evidence that can be tied to the actual unit or shipment: identity, fitment review, code status where relevant, test records, traceability, protected handling, and documents that agree with one another.
What “Verified” Means for a Dieselink XPI Injector
“Verified” is one of the most overused words in the diesel aftermarket. For XPI injectors, the term only becomes credible when it points to a structured set of checks a buyer can actually review: identity, fitment, code readiness, test status, traceability, cleanliness discipline, and consistent documentation.
Application FAQ
Confirm the application lane before RFQ
Do I need emissions details on ISC / ISL 8.9L XPI quotes?
Yes. Emissions stage helps confirm whether the injector match and supporting evidence belong to the same operating platform.
Fitment-first RFQ
Release a cleaner 8.9L RFQ
Send the part numbers you have, add ESN or CPL when available, and note where the injector will be installed so the quote can stay inside the correct 8.9L lane.