Reliable Aftermarket Parts Ignition Switch for Case IH Tractors 282775A1 — Two Keys, Direct-Fit Replacement

This is a new Reliable Aftermarket 282775A1 replacement ignition switch with two keys engineered to fit select Case IH tractor models.

Whether you're repairing a barn-find or maintaining a working fleet, this ignition switch is a direct-fit replacement option listed to match several Case IH part numbers. It offers the basic on-off-start functions and comes with two keys so you can replace a worn or lost switch quickly and get back to fieldwork without custom wiring or machining. Always cross-check your tractor's model and OEM part references before purchasing.

Which Case IH models will this ignition switch fit?

This switch is compatible with a range of Case IH tractors spanning utility and larger agricultural units. Fitment covers multiple model families commonly used across planting and harvesting seasons. Use the OEM numbers below to verify compatibility with your machine.

• Fits models including 1080B, 1150G, 1150H, 1550, 1835B, 1835C
• Also fits larger units such as 1840, 1845B, 1845C, 2366, 2394, 2594
• Covers additional models 3394, 3594, 4494, 4694, 5120 for broader fleet compatibility
• Replaces part numbers 134737, 86500903, D134737, AT192704 for cross-reference

How easy is it to install this replacement ignition switch?

Installation is straightforward for anyone familiar with tractor dash components; the unit mounts into the existing keyway and connects to the factory wiring harness. No special programming is required because this is a mechanical switch supplied with two physical keys. If you are unsure, a tractor technician can perform the swap rapidly.

• Direct-fit design uses the original dash opening—no trimming needed
• Plugs into the existing wiring harness—no soldering for most setups
• Includes two keys so you leave the job completed and operational
• Simple hand tools typically needed: screwdriver, pliers, and wrench

What should I verify before ordering to ensure proper fit?

Because tractors and wiring options vary by year and region, confirm the tractor model, serial range, and the OEM part number you currently have. Photos of the existing switch or its mounting can help avoid ordering an incorrect item. Use the provided replacement numbers for cross-checking parts lists.

• Match your tractor model (e.g., 2366 or 3394) against the fitment list
• Compare your OEM number to 134737, 86500903, D134737, AT192704
• Inspect the keyway and connector shape against product images
• Contact support with photos if the fit is uncertain

What does the package include and what are the parts specifications?

The package contains one ignition switch assembly and two identical keys, ready to install. This is an aftermarket replacement intended to perform like the original mechanical switch; it is sold as a single unit suitable for maintenance or repair jobs. No electronic reprogramming is necessary since the unit is not a transponder-type ignition.

• Contents: one ignition switch assembly plus two keys
• Type: mechanical key-operated ignition switch, designed for OEM-style replacement
• Reference: replacement for multiple OEM part numbers listed above
• Note: OEM numbers provided for reference—verify fit prior to ordering

Who is this for? This ignition switch is best for farmers, fleet managers, and tractor technicians who need a straightforward mechanical replacement for Case IH tractors listed in the fitment. It suits anyone replacing a faulty or missing switch without needing vehicle programming. If you manage multiple machines, this is a convenient stocked spare that restores fundamental on/off/start functions quickly and economically.