Fuel injectors have seen many changes through the years, and finding the right ones for your engine can be a chore.
Continue reading What Makes XPI Injectors Different?Category: Cummins Diesel Engine Parts & Components
Evolution of Cummins Diesel Injectors, Mechanical, Celect, HPI, XPI Injectors, How do they work!

Evolution Of Cummins Injectors
Not every fuel injector is built the same. When you’re looking to replace the injectors on your Cummins engine, we know you want the best.
Continue reading Evolution Of Cummins InjectorsCummins ISX15 Turbocharger (2882111NX)
If your ISX15 is suffering from loss of power, excessive smoke, or overheating, it may be from a leak or damaged gasket, a dirty air cleaner, or a failure in your EGR system. Avoid any further impacts on your truck and bottom line. Get back on the road, with America’s Diesel Parts Supplier!
Continue reading Cummins ISX15 Turbocharger (2882111NX)Cummins ISX15 Turbocharger | Having Power Issues Even When EGR Is Fixed? – HHP Can Help 844.447.1453

Cummins ISX Inframe Engine Rebuild Kit (4376177)
No matter how reliable your Cummins ISX is, there comes a point where wear catches up. Loss of compression, increased oil consumption, blow-by, or lack of power are all signs your engine is getting tired – and when that happens, an inframe engine rebuild is often the most efficient way to get back on the road without a full engine replacement.
Continue reading Cummins ISX Inframe Engine Rebuild Kit (4376177)Cummins ISX 15 Single Cam Cylinder Head (4386009)
Sometimes, you just have to replace your cylinder head. You might be overhauling your engine, or completing a repair from a blown head gasket or cracks between your exhaust valves.
Continue reading Cummins ISX 15 Single Cam Cylinder Head (4386009)Cummins ISX15 Cylinder Head | Engine Overheating Or Low Power? – Give HHP A Call, We Can Help 844.447.1453

Common Problems With Common Rail Injectors
Problems with your diesel engine common rail injectors can have a direct impact on the way your engine performs. So, you probably want to get those problems taken care of as soon as possible.
Continue reading Common Problems With Common Rail InjectorsCummins ISX XPI Fuel Injectors (2872405)
XPI injectors provide the highest injection pressure of any common rail fuel system out there. They deliver optimal engine performance and improved fuel economy.
Continue reading Cummins ISX XPI Fuel Injectors (2872405)Cummins ISX Fuel Injector | Get The Highest Pressure With XPI Fuel Injector – Available At HHP 844.447.1453

Where to find Trim Codes on my diesel fuel injectors, Caterpillar, Cummins, Detroit Diesel

Your Premier Source for Cummins Heavy-Duty Engine Parts
Highway and Heavy Parts is the premier source for high-quality heavy-duty Cummins diesel engine parts. You know the value of dependable and long-lasting parts as a fleet owner, technician, or equipment operator to maintain your Cummins engines operating at their peak efficiency.
Here you will find blogs that focus on Cummins diesel engines and the heavy-duty parts you need to keep your large truck on the road. Read about diesel engine issues, diagnostic tips, and the best engine parts for the job.
Complete Cummins Engine Coverage
Popular Cummins Engine Models
Our comprehensive inventory covers all major Cummins engine families, including ISX, ISX15, N14, ISM, ISC, M11, and X15 engines. Whether you’re maintaining legacy engines or modern powerplants, we stock the critical components needed to keep your Cummins engines performing at their best.
ISX and N14 Engine Solutions
The ISX12 and ISX15 were involved in the phase out of the N14 and M11 engines, which were unable to meet emissions standards. Because of the shift to electronic controls, the N14 has more valve train components than the ISX. We carry parts for both engine families to support your fleet’s diverse needs.
Quality Cummins Components & Services
Engine Rebuild Parts
From complete engine rebuild kits to individual components, our Cummins parts selection includes pistons, cylinder heads, fuel injectors, turbochargers, and gasket sets. Whether you’re performing routine maintenance or major rebuilds, we have the quality parts you need.
Engine Identification Support
Need help identifying your Cummins engine? For ISB engines, you’ll find the serial number on your rocker cover or on the side of the gear housing. For Cummins ISM engines, the serial number is located on the rocker housing on the fuel pump side. Our experts can help you identify the right parts for your specific engine model.
Why Choose Highway and Heavy Parts for Cummins?
Unmatched Expertise
Our diesel engine experts understand the evolution of Cummins engines and can help you navigate the differences between engine families. From the mechanical N14 to the electronic ISX series, we know what it takes to keep these engines running strong.
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Every Cummins component in our inventory meets or exceeds OEM specifications. We understand that downtime is costly, which is why we stock only the highest quality parts designed for durability and long-lasting performance.
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Whether you’re rebuilding a Cummins ISX or maintaining an N14, our team provides expert technical support and fast shipping to minimize your equipment downtime. We serve fleet owners, technicians, and equipment operators with the parts and knowledge they need.
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With our extensive inventory and efficient logistics, we can quickly get you the Cummins parts you need. Our commitment to fast service helps keep your heavy-duty equipment operational and productive.
Browse Our Complete Cummins Parts Catalog
Browse our complete Cummins parts catalog today and discover why Highway and Heavy Parts is the trusted choice for diesel professionals nationwide.






