Ignition switch

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Replacement Ignition Switches for Heavy Equipment

Find heavy equipment ignition switches at Fab Heavy Parts for selected excavators, tractors, loaders, skid steers, and other equipment applications. Our collection includes replacement ignition switches, keyed starter switches, ignition lock assemblies, and related starting-control components.

An ignition switch is part of the equipment's electrical starting and control system. When replacing a damaged or malfunctioning switch, it is important to identify the correct component for the specific machine rather than relying on equipment brand or appearance alone.

Ignition Switches for Excavators, Tractors, and Loaders

Browse replacement ignition switches listed for selected Caterpillar, Kubota, Kobelco, John Deere, Case, New Holland, Bobcat, and other equipment applications.

For excavators, available listings include ignition switches associated with Caterpillar 312 and 320 models, selected Kubota KX-series machines, and Kobelco SK-series excavators.

For agricultural equipment, the collection includes keyed ignition switches listed for John Deere 1020, 1520, 2020, and 2030 tractors, along with selected Case, Kubota, and New Holland tractor applications.

Additional products cover selected Bobcat skid steers, Case backhoe loaders, industrial engines, and other equipment.

These examples represent individual product listings. Confirm the exact part number and machine configuration before choosing a replacement.

Keyed Starter Switches and Ignition Lock Assemblies

Different equipment may require different ignition-switch designs. Some products are listed as ignition switches supplied with keys, while others are described as ignition locks, starter switches, or ignition modules.

The switch housing, key mechanism, terminal arrangement, and included components may vary between products. A similar-looking switch does not necessarily have the same electrical connections or operating functions.

Check the individual product description to determine what is included and whether the assembly matches your existing equipment.

How to Select the Correct Replacement Ignition Switch

Start by locating the original switch's part number and checking the equipment make, model, and serial number.

Compare the replacement's mounting arrangement, electrical terminals, connector configuration, and key or lock design with the original component. If the part number is missing, photographs of the existing switch and its connections may help with identification.

If you are also investigating starting-system problems, explore our starter motor collection for related replacement components.

Review the available ignition switches and their listed applications to identify an appropriate replacement for your equipment.

Need Help Finding the Right Ignition switch?

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 know which ignition switch fits my excavator, tractor, or loader?

Start with the equipment make, model, serial number, and the part number on your original ignition switch. Compare these details with the replacement ignition switch listing. It is also important to check the switch's terminal configuration, mounting design, and key or lock assembly. Even machines from the same model series may use different ignition switches, so the model name alone may not confirm compatibility.

Do your replacement ignition switches come with keys?

Some of our ignition switch listings specifically include keys, while others are described as ignition switches, lock assemblies, or starter modules without clearly stating the included accessories. Please check the individual product description and photographs before ordering. If you need a complete switch-and-key assembly, confirm that the selected one includes the required components.

Can I replace my ignition switch with one that looks similar but has a different part number?

Not based on appearance alone. Two switches may have similar housings or key designs but different electrical terminals, operating positions, or mounting arrangements. We recommend matching the original part number or confirming a documented replacement reference. If the numbers differ, verify the intended application and electrical configuration before purchasing.

Can you help me identify an ignition switch if the original part number is missing?

You can provide the equipment make, model, serial number, and clear photographs of the original switch. Images of the front, rear terminals, connector, mounting points, and key assembly can be especially useful. These details may help us review possible replacement options, although additional technical information may be needed to confirm a match.

Why won't my equipment start after I replace the ignition switch?

A no-start condition can have causes beyond the ignition switch, including battery or power-supply problems, wiring faults, starter-system issues, or equipment safety interlocks. First confirm that the replacement switch is correct for the application and was installed according to the manufacturer's service instructions. A qualified technician can then diagnose the starting circuit to identify the underlying problem.

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