Skip to product information
SKU:
NLT2S01480
Ships for free in 2–4 business days.
Set of 6 Diesel Fuel Injectors for Cummins ISC 8.3L – 5263305 / 4940439
$1,242.79
In Stock
$1,242.79
Sale price
$1,242.79
Regular price
This six-piece diesel injector set is intended for compatible Cummins ISC 8.3L engines using the 5263305 fuel-injector family. Each injector meters fuel into one engine cylinder.
Estimated delivery between
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- Cummins ISC 8.3L — compatible injector family and emission generation
- Industrial applications with Cummins engine using part number 5263305 (engine serial number required)
Product Overview
Injector wear can lead to rough running, smoke, reduced performance or fuel-pressure issues. These common-rail injectors must match the engine control-system generation and may require calibration or coding. Do not substitute different ISC and ISL injector families solely because the engines are related.
Key Features & Performance
- Package: Six fuel injectors
- Application: Cummins ISC 8.3L — compatible injector family and emission generation
- Important fitment detail: Verify engine serial number, injector calibration, injector connector and ECM specification
Replaces / Cross-References
- 5263305
- 4940439
- 87581565
- 0445120272
What Is Included
Six fuel injectors.
Common Reasons for Replacement
- Injector leak or poor atomization
- misfire/rough running
- excessive smoke after diagnosis
Fitment Notes
Verify engine serial number, injector calibration, injector connector and ECM specification. Supersession and reman suffixes can change the exact sale configuration.
Frequently Asked Questions
Is this an OEM part? This listing describes a replacement or upgrade component, not a genuine manufacturer-branded part unless explicitly stated otherwise. Brand and part numbers identify the intended application.
How do I confirm fitment? Compare the original component, part number and the configuration notes above. Use the equipment VIN, engine serial number or manufacturer parts diagram when necessary.
Part Summary
keywords: Set of 6 Diesel Fuel Injectors, 5263305, 4940439, 87581565, 0445120272, Cummins ISC 8.3L — compatible injector family and emission generation, Industrial applications with Cummins engine using part number 5263305 (engine serial number required)
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.