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Diesel Engine Serial Numbers

Have you ever thought much about your ESN or why you might need to know it? Diesel engine serial numbers are vital to ensuring you’re getting the right fit for your engine. 

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Reusing Pistons to Save Money: The Benefits and Drawbacks

Rebuilding an engine on a Class 8 truck is a costly procedure. Depending on how extensive the repairs are, the parts alone can range from fifteen hundred to fifteen thousand dollars. One option for reducing the cost of an engine overhaul rebuild is to reuse the pistons. The pistons are typically the single most expensive part in a rebuild kit. Taking them out can make the kit affordable for nearly everyone’s budget. 

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How to Get Better Fuel Economy with your Diesel Truck

Diesels are known to get great mileage. They typically deliver 25 to 30 percent better fuel economy than similarly performing gasoline engines. Although diesel fuel used to be cheaper than gasoline, it now tends to cost the same or more.

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Cummins Wins Frost & Sullivan 2014 US Overall Best Heavy-duty Truck Engines Award

According to Frost & Sullivans independent research surveying heavy-duty fleet, safety, maintenance and service managers across the US, Cummins Inc. was named the overall best heavy-duty truck engine supplier. Cummins reeled in 49 percent of the votes with its closest competitor capturing only 23 percent.

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Cummins N14 Inframe Rebuild Kit – Additional Items

We’re discussing some inexpensive additional pieces you should think about changing when you rebuild your Cummins N14. The Cummins N14 is a strong, reliable engine that will just keep on going if you treat it right. Depending on how much weight you’re pulling, the average rebuild is needed around 800k to 1 million miles. The standard N14 inframe kit will come with nearly everything you need to rebuild the engine. Here’s a look at some of the additional pieces that are a good idea to change while performing the rebuild. The nice thing is, they won’t break the bank.

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Keep Your Vessel Running Strong with Marine Diesel Parts from Highway and Heavy Parts

Most people know Highway and Heavy Parts for our over-the-road diesel expertise — but what many customers don’t realize is that we also supply a full line of marine-rated diesel engine parts for commercial vessels, charter fleets, fishing boats, and recreational boats across the country.

From Caterpillar Marine to Cummins Marine, Detroit Diesel Marine, John Deere Marine, and more, we carry high-quality replacement parts engineered to survive the extreme demands of marine environments: saltwater exposure, constant load, high heat, and long duty cycles.

Whether you’re keeping a single vessel on the water or maintaining an entire fleet, Highway and Heavy Parts has the reliable components you need – backed by expert support, fast shipping, and OEM-level performance.

And below, you’ll find direct links to our most popular marine-specific parts currently available.

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Highway & Heavy Parts Adds New Parts To Inventory For Increased Coverage

Highway and Heavy Parts (HHP) is pleased to announce the addition of a wide range of new products to their existing line of diesel engine components. These new products include an array of cost-saving components for Caterpillar’s 3406E, C11, C15 and C13 engine applications as well as oversize repair options for Cummins Midrange Engines and fuel system parts for Detroit Diesel Series 60 engines. The addition of these new products to HHP’s already extensive catalogue of parts has helped them expand their coverage of diesel engine applications and better serve the needs of the heavy highway industry.

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Increase Profit with Remanufactured Injectors From HHP!

When it comes to running a highly profitable diesel engine repair shop, staying one step ahead of your competition is critical to success. With profit margins shrinking and customer demands becoming more and more complex, vendors are constantly searching for ways to cut costs and streamline operations, all without having to sacrifice the quality of their service. Though this has proved to be a difficult task for a lot of repair shops, many are discovering that making the switch from OEM parts to remanufactured components may be the answer, and Highway and Heavy Parts (HHP) is helping them do that.

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HHP is pleased to announce the addition of a wide range of new diesel engine products to their existing line of parts

Highway and Heavy Parts is pleased to announce the addition of a wide range of new diesel engine products to their existing line of parts.

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New 4059429 connecting rods for Cummins ISX engines

Connecting rod 4059429 replaces connecting rod 4923749. This is a drilled connecting rod. Cummins engine company has made a change in their connecting rod design. Many of the ISX engines were built with “non-drilled” connecting rods. These non-drilled Cummins ISX connecting rods have been replaced by drilled connecting rods. For further clarification on connecting rod changes on ISX engines look at Cummins Reference TSB100666. Newer ISX engines (starting with ESN 79614966) were built with fractured rods. Saw cut and fractured rods can be mixed in an engine per Cummins Engine Company TSB120067.

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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.

Quality & Reliability

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.

Comprehensive Support

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.

Fast Service & Shipping

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.