Caterpillar parts

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About Caterpillar parts

Caterpillar Replacement Parts for Equipment Maintenance and Repair

Find Caterpillar replacement parts at Fab Heavy Parts for maintaining and repairing selected excavators, wheel loaders, compact track loaders, tractors, and diesel engines. Browse components for fuel systems, engine repairs, electrical controls, cooling systems, and other equipment needs. Search by part number or machine model to narrow your options and find parts listed for your application.

Caterpillar Engine Parts and Fuel System Components

This collection includes fuel pumps, fuel transfer pumps, fuel injectors, fuel injection pumps, turbochargers, and engine overhaul kits. Examples include fuel pump 349-5327 for listed 3044C/C3.4 applications, fuel injection pump 436-1091 for selected C3.3B applications, and turbocharger 436-1920 for listed C3.3B engine applications. Injector options include part number 235-5901 for selected 3044C/C3.4/3046 applications and 1W5829 for listed 3208/3204/3304 applications.

Parts for Caterpillar Machines and Engine Systems

Beyond engine components, the collection includes selected speed sensors, throttle motors, fuel tank caps, blower motors, monitor panels, and radiators. Available applications span different machine and engine families, including selected 311B and 312B excavators, 259D and 299D compact track loaders, and equipment using C3.3, C3.3B, and C3.4 engines. These examples represent specific product listings, not universal compatibility across all Caterpillar models.

Find the Right CAT Replacement Part

Before ordering, compare the part number on your existing component with the listing and check the exact engine or equipment application. Similar model names do not necessarily indicate interchangeable parts, and some products are sold individually while others are supplied as kits or sets.

Need Help Finding the Right Caterpillar parts?

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 right replacement part for my Caterpillar equipment?

We recommend starting with the part number on your original component, along with your machine model and serial number. If the part is engine-related, include your engine model and serial number as well. Compare these details with the Caterpillar replacement part listing before ordering. A matching Caterpillar model name alone may not be enough to confirm compatibility.

Can I order a Caterpillar fuel injector individually, or do I need to buy a set?

The quantity depends on the specific product. Some replacement fuel injector listings are offered as multi-piece sets, while other replacement components may be sold individually. Check the quantity stated in the product title and description before ordering. Also confirm the original injector part number and engine application, since different injector references are not automatically interchangeable.

What should I check when my Caterpillar replacement part arrives?

Before installation, compare the received part with your order and the original component. Check the reference number, quantity, visible condition, and relevant mounting or connection details. For an engine overhaul kit or filter kit, verify the included components. If anything differs from your expectations, confirm the correct application before installation.

What should I do if my Caterpillar machine still has the same problem after replacing a part?

First, verify that the replacement component matches the required application and was installed according to the appropriate service information. Continued symptoms may indicate another issue within the affected system. We recommend diagnosing the underlying fault before replacing additional components, especially for fuel delivery, electrical control, and hydraulic problems.

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