Here at Highway & Heavy Parts, we take pride in bringing you the best information about your diesel engine. We want to give you the answers you need, no matter what issue you’re facing. That’s why this month we’re focusing on questions from you.
Continue reading Highway & Heavy Parts Answers Your Diesel Engine QuestionsCategory: Caterpillar C15 ACERT Engine Parts: Complete Diesel Components and Rebuild Solutions
Why Did My Diesel Engine Valves Break?
Have you recently experienced a valve failure? Are you left wondering what caused that valve to break?
Continue reading Why Did My Diesel Engine Valves Break?What is Inconel Material in Your Diesel Engine?
We get it. You want the best parts made from the best materials for your diesel engine to keep you running for miles and miles.
Continue reading What is Inconel Material in Your Diesel Engine?Problems You Might Have with Your CAT C15 ACERT Diesel Engine Oil Pump
Lubrication is key to keeping your engine functioning properly. If your diesel engine isn’t properly lubricated, components could begin to wear more quickly and even seize up, costing you more money. The oil pump is critical to keeping your engine lubricated.
Continue reading Problems You Might Have with Your CAT C15 ACERT Diesel Engine Oil PumpProblems That Require Cylinder Head Components for the CAT C15 ACERT Diesel Engine
You may not realize it, but there are a lot of components that make up the cylinder head of your C15 ACERT. If you have a failure in that part of your engine, you might be inclined to blame it on your cylinder head, but it’s possible that one of these other components could break. This would lead to problems with similar symptoms to that of a failing cylinder head.
Continue reading Problems That Require Cylinder Head Components for the CAT C15 ACERT Diesel EngineWhat Problems Indicate Head Gasket Failure on C15 ACERT Diesel Engines?
We all know that the head gasket is important. It’s what creates the seal between the engine block and cylinder head to allow for combustion to happen. Without it, your diesel engine won’t run properly.
Continue reading What Problems Indicate Head Gasket Failure on C15 ACERT Diesel Engines?Caterpillar C15 ACERT Diesel Engine Camshaft Problems
Is the camshaft in your CAT C15 ACERT diesel engine performing correctly? It’s essential that this component operates properly for your engine to function as it should. Each part of the camshaft must perform their functions at precise timing in relation to the motion of the piston. If they don’t, it could spell disaster for your diesel engine.
Continue reading Caterpillar C15 ACERT Diesel Engine Camshaft ProblemsWhen Should You Replace Your CAT C15 ACERT Diesel Engine Turbo?
As you probably know, one of the main differences between the Caterpillar C15 diesel engine and the C15 ACERT is the fact that the ACERT is designed with two turbochargers. That makes this component even more vital to the overall function and health of your diesel engine.
Continue reading When Should You Replace Your CAT C15 ACERT Diesel Engine Turbo?Cylinder Head Problems on a Caterpillar C15 ACERT
Caterpillar C15 ACERT. You’ve probably heard of it. It’s a very popular engine, and we get a lot of questions on it from our customers.
Continue reading Cylinder Head Problems on a Caterpillar C15 ACERTCAT C15 ACERT Problems that Require a Diesel Engine Rebuild Kit
Did you know that performing regular maintenance can go a long way in keeping your diesel engine operating at its peak?
Continue reading CAT C15 ACERT Problems that Require a Diesel Engine Rebuild KitWhen Do You Need New Fuel Injectors for Your Cat C15 ACERT Diesel Engine?
Has the performance of your CAT C15 ACERT taken a dive? Are you going through a lot more fuel than you used to?
Continue reading When Do You Need New Fuel Injectors for Your Cat C15 ACERT Diesel Engine?The Primary Differences Between Caterpillar 3406E, C15, and C15 Acert Diesel Engines
Picking the right diesel engine model is no easy task. If you’re considering purchasing a Caterpillar 3406E, C15, or C15 ACERT, we have the information to help you make a decision.
Continue reading The Primary Differences Between Caterpillar 3406E, C15, and C15 Acert Diesel EnginesFind 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
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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.






