MDEOOSKY Ignition Key Switch for Kubota Tractors L-Series & MX-Series — 2 Keys, Direct-Fit TC020-31820/31822

A direct-fit replacement ignition key switch for Kubota tractors (models L2501–L4400, MX4700–MX5100) supplied with two keys for immediate use.

If your Kubota tractor’s ignition switch is worn, failing, or lost, this MDEOOSKY replacement part restores reliable starting and electrical control. Designed to match factory part numbers TC020-31820 and TC020-31822, the assembly includes the switch body plus two cut keys and uses durable metal components for long service life in agricultural and outdoor environments.

Will this ignition switch fit my Kubota model?

This replacement is specified to fit a wide range of Kubota tractors, including L2501, L2600, L2800, L3000, L3200, L3400, L3700, L3800, L4300, L4400 and MX4700, MX5000, MX5100. Verify your existing part number or connector style before purchasing to ensure compatibility.

• Matches part numbers TC020-31820 and TC020-31822.
• Common fit for many L-series and MX-series Kubota tractors.
• Includes two keys so you can replace lost spares immediately.
• Check terminal layout against your tractor’s harness before installation.

How durable is the MDEOOSKY ignition key switch?

The switch uses a zinc-alloy body with copper terminals and iron keys to withstand daily farm use and outdoor exposure. These materials are chosen for corrosion resistance and reliable electrical contact over many cycles.

• Zinc-alloy switch housing for impact and rust resistance.
• Copper connecting terminals and screws for consistent conductivity.
• Two iron keys included to reduce wear on a single key.
• Built for agricultural and heavy-equipment environments.

What’s included and how easy is installation?

The package contains one ignition switch assembly and two matching keys so you can complete the replacement in one visit. Installation typically involves removing the dash trim, unplugging the old switch, and mounting the new unit using existing hardware and wiring connectors.

• Package: 1 x ignition switch, 2 x keys.
• Plug-and-play wiring compatible with original Kubota connectors in most tractors.
• Mounts into the original switch location using the same screws.
• Professional or DIY installation possible with basic tools; consult your service manual.

Are there any electrical or safety considerations?

Always disconnect the battery before replacing the ignition switch to avoid shorts or accidental starts. Confirm terminal connections match the original wiring diagram to preserve safety circuits and accessory operation.

• Disconnect battery negative before starting work.
• Match wire colors and terminal positions to the original switch.
• Securely tighten copper screws for reliable contact.
• Test functions (start, accessory, off) before reassembling dash trim.

Who is this for: Farmers and equipment owners who need a dependable OEM-style ignition switch replacement for Kubota L-series and MX-series tractors, restoration shops working on tractors, and fleet maintenance teams who want a durable, ready-to-install assembly with spare keys. If you require a direct-fit switch using Kubota part numbers TC020-31820 or TC020-31822 with sturdy metal construction and two keys included, this MDEOOSKY unit is built for that use case.