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HHP Spotlight: About the Caterpillar C15 Diesel Engine Inframe Rebuild Kit

We’ve highlighted several different rebuild kits in the past, and today we’re going to focus on an in-chassis kit for a C15 acert.

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Diesel Engine Rebuild Kits Buying Guide

Have you noticed a loss in fuel economy? Are you consuming a lot of oil? Is there coolant in your crankcase? If you answered yes to any of these questions, you may want to evaluate your engine to see the extent of the damage. It might be time for an engine rebuild kit.

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Caterpillar Diesel Engine Serial Numbers

If you’re shopping for parts for your Caterpillar diesel engine, then you’re going to want to make sure that you’re getting the right ones the first time. To help us get you exactly what you need, you need to have your engine serial number handy.

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Caterpillar 3406E Engine Spotlight

Are you curious about your Caterpillar 3406E diesel engine? Well, we’re taking you through this engine in detail, so wonder no more! Read on to learn the history of the engine, as well as some common failures you might experience.

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C15 Engine Spotlight

In the late 1800s and early 1900s, steam tractors were the primary method of agricultural development. But out in California, they had a problem: the incredibly heavy tractors kept sinking into the soft earth.

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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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Brand New Caterpillar Cylinder Heads

Highway Heavy Parts is bringing you a new option when replacing Caterpillar Cylinder Heads. Now available for 3406E, C15 and C15 Acert engines is the brand new replacement cylinder head.

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3406E / C15 Fuel in Coolant, Engine Miss Explained

If you’re running a C15 or 3406E diesel engine, you may have experienced your engine missing. So, why does that happen? 

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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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Caterpillar C15 Overhaul Engine Rebuild Kit | High Fuel Or Oil Usage? – Call HHP 844.447.1453

Caterpillar C15 Overhaul Rebuild Kits For Sale From HHP! Call To Get Yours Today!

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Cash For Cores | Caterpillar 3406E, C15 and C15 Acert wanted! | $175 Per Core Return – Call 844.447.1453 For Further Information

We Buy Caterpillar Injector Cores! 3406E, C15, & C15 Acert Injector Cores.

Continue reading Cash For Cores | Caterpillar 3406E, C15 and C15 Acert wanted! | $175 Per Core Return – Call 844.447.1453 For Further Information

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CATERPILLAR 3406E TECHNICAL SPECIFICATIONS, SERIAL NUMBERS, & PREFIXES

Are you curious about your Caterpillar 3406E diesel engine? Well, we’re taking you through this engine in detail, so wonder no more! Read on to learn the history of the engine, as well as some common failures you might experience.

Continue reading CATERPILLAR 3406E TECHNICAL SPECIFICATIONS, SERIAL NUMBERS, & PREFIXES

Find genuine and aftermarket Caterpillar C15 ACERT engine parts for heavy-duty trucks, construction equipment, and industrial applications at Highway and Heavy Parts. Our comprehensive inventory includes cylinder heads, turbochargers, fuel injectors, pistons, and complete engine rebuild kits designed for reliable performance in demanding conditions. Whether you need replacement parts for preventive maintenance or major engine rebuilds, we stock high-quality components that meet or exceed Caterpillar specifications.

The Caterpillar C15 ACERT engine powered Class 8 trucks, excavators, dozers, and generator sets across transportation and construction industries from 2003 to 2009. Our parts are compatible with all C15 ACERT model variations and come with manufacturer warranties for genuine parts and quality guarantees for aftermarket alternatives. Professional mechanics, fleet managers, and equipment operators trust Highway and Heavy Parts for genuine Caterpillar quality and competitively priced aftermarket solutions.

Complete C15 ACERT Parts Inventory

What C15 ACERT parts are available at Highway and Heavy Parts?

Our extensive C15 ACERT inventory includes cylinder heads, engine blocks, turbochargers, fuel system components, cooling system parts, and complete engine rebuild kits. We carry both genuine Caterpillar parts and certified aftermarket alternatives from trusted manufacturers. Popular items include fuel injector sleeves, cylinder head gaskets, turbocharger assemblies, oil pumps, water pumps, and camshafts specifically designed for the C15 ACERT platform.

How do I identify the correct C15 ACERT engine parts?

C15 ACERT parts are identified using Caterpillar part numbers and engine serial numbers located on the engine block. The C15 ACERT was produced from 2003–2009 with specific part variations by model year and application. Our technical team can help verify compatibility using your engine serial number, ensuring you receive the exact components needed for your specific C15 ACERT configuration.

What equipment and applications use C15 ACERT engines?

C15 ACERT engines power Peterbilt, Kenworth, Freightliner, International, and other heavy-duty truck manufacturers, as well as Caterpillar construction equipment, including 330C and 336D excavators, 966G wheel loaders, and various industrial generator sets. These engines were designed for highway trucking, construction, mining, and stationary power generation applications requiring reliable diesel performance.

Why Choose Highway and Heavy Parts for C15 ACERT Components

  • Genuine Caterpillar and Quality Aftermarket Options
    We stock both genuine Caterpillar C15 ACERT parts and high-quality aftermarket alternatives. Our aftermarket parts are manufactured to OEM specifications, offering excellent value without compromising performance or reliability. All genuine parts come with Caterpillar warranties, while our aftermarket components include quality guarantees.
  • Expert Technical Support and Compatibility Assistance
    Our experienced technical team understands C15 ACERT engine specifications, common failure points, and engine rebuild requirements. Whether you’re performing routine maintenance, addressing specific engine problems, or planning a complete engine rebuild, we provide the expertise and parts needed for successful repairs.
  • Fast Shipping and Professional Service
    Highway and Heavy Parts maintains an extensive C15 ACERT inventory for quick order fulfillment. We understand downtime costs in commercial applications and work to get your equipment back in service quickly with reliable parts and professional customer service.

C15 ACERT Engine Specifications and Service Information

The Caterpillar C15 ACERT (Advanced Combustion Emission Reduction Technology) engine featured a displacement of 15.2 liters, producing between 425 to 550 horsepower depending on application and model year. Key service intervals include oil changes every 15,000 to 25,000 miles, fuel filter replacement, and turbocharger maintenance. Common service items available in our inventory include oil filters, fuel filters, air filters, belts, hoses, and gaskets specific to C15 ACERT requirements.

Understanding proper maintenance schedules and using quality replacement parts extends C15 ACERT engine life and maintains optimal performance. Our parts inventory supports both scheduled maintenance and unexpected repairs, helping keep your C15 ACERT-powered equipment operating efficiently.

Browse our complete selection of Caterpillar C15 ACERT engine parts, or contact our technical team for specific part identification and compatibility assistance. Highway and Heavy Parts – your trusted source for heavy-duty diesel engine components.