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Camshaft

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About Camshaft

Replacement Camshafts for Diesel Engines and Heavy Equipment

Find replacement camshafts for selected excavators, wheel loaders, dozers, industrial engines, trucks, and other vehicle applications at FAB Heavy Parts. This collection includes intake camshafts, exhaust camshafts, camshaft assemblies, and fuel camshafts for specific engine applications from brands such as Komatsu, Caterpillar, Cummins, Volvo, Nissan, and others.

A camshaft controls the opening and closing of engine valves through its lobes, helping coordinate valve timing with the engine's operating cycle. Because camshaft profiles and dimensions are designed for specific engines, choosing the correct replacement is important during engine repairs and rebuilds.

Camshafts for Different Engine Applications

The collection includes camshafts and assemblies for a wide range of engine families. Examples include Komatsu camshaft 6240-41-1310 / 6240-41-1300 for listed SAA6D170E-3F-8 and 6D170 applications, Caterpillar camshaft assembly 10R-1533 / 222-9831 for the C-12 engine, and Cummins camshafts listed for V28 and NT855 engine families. The collection also includes an intake camshaft listed for Nissan YD25 applications.

These examples refer to specific product listings. Camshafts should not be treated as interchangeable simply because engines share a manufacturer, similar displacement, or related model names.

How to Choose the Correct Replacement Camshaft

Start with the part number on the original component or in the engine's parts documentation. Confirm the exact engine model and version, and check any applicable serial-number or production differences. Verify whether the listing is for an intake camshaft, exhaust camshaft, fuel camshaft, or a complete assembly.

Also compare the stated part references and application details. Depending on the engine design, camshaft configuration, timing features, journals, and drive arrangements can differ. During an engine rebuild, inspect related valve-train components according to the engine manufacturer's service procedures.

Need Help Finding Camshaft?

Can't find the replacement part you need? Send FAB Heavy Parts your part number, engine model, or equipment details. Our team can help review your requirements and provide a quotation.

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Frequently Asked Questions

How do I find the correct camshaft for my engine?

Match the original part number with the product listing and confirm the exact engine model and version. Check whether the part is intended for the intake, exhaust, or fuel system, where applicable. Similar engine names do not guarantee the same camshaft fitment.

What is the difference between an intake camshaft and an exhaust camshaft?

An intake camshaft operates the intake valves, while an exhaust camshaft operates the exhaust valves in engines designed with separate camshafts for these functions. Their profiles and configurations may differ, so they should not be substituted for one another unless the engine's specifications explicitly allow it.

What does a camshaft do in a diesel engine?

The camshaft operates the engine's valve train to coordinate valve opening and closing with the engine cycle. The correct camshaft profile and timing are essential to the engine's intended operation.

Should other engine components be inspected when replacing a camshaft?

Yes. During the repair, inspect relevant valve-train components and camshaft bearing surfaces according to the engine manufacturer's service procedures. The required checks depend on the engine design and the reason for the camshaft replacement.

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