HD Switch Premium Starter Ignition Key Switch for John Deere D100-D170 | 2 Keys Included

Upgrade Your John Deere Ignition with HD Switch

Meet the HD Switch Premium Starter Ignition Key Switch, a direct replacement engineered to deliver dependable starts and smooth operation on compatible John Deere mowers. The tactile feel of the new rubber-molded premium key adds a comfortable, confident grip, while the redesigned housing is built to resist the wear and wobble that can occur with standard keys. This switch is designed to fit a broad range of models and is ready to help you get back to mowing with less fuss and more focus on the task at hand.

What makes this upgrade stand out:

• Premium Key—a rubber-molded upgrade that reduces wear and the annoyance of metal blanks and cheap plastic copies.
• 4-Position Type—offers four switch positions plus a dedicated headlight control setting for versatile mowing and starting options.
• 7-Terminal Switch—a robust seven-terminal design that supports a reliable electrical connection without resorting to incompatible 5-terminal layouts.
• Fast Installation—a snap-in-place design that installs in seconds, so you can get back to work quickly.
• Made in USA—engineered performance from HD Switch’s North Carolina facility, reflecting a commitment to quality and consistency.

Real-world use and benefits

• Direct replacement that addresses a common issue where the old key could vibrate loose and fall out during mowing, helping you avoid interruptions.
• Enhanced tactile feedback from the new soft grip key, improving handling in variable weather and long chores.
• Headlight control is integrated into the switch, letting you manage early-evening or shaded work without extra fidgeting.
• Durable construction and a precise electrical fit support consistent performance across compatible models, from D100 to LT180 series and beyond.

What’s included and fitment notes

The kit ships with two keys for convenience and backup, and is designed as a straightforward replacement for select John Deere mower models equipped with 4-position ignition switches. While it aims to cover a broad range, please compare your current switch type and connector layout with the listed features to ensure compatibility.