BSNOVT Ignition Switch with 2 Keys AUC18708 — Direct-Fit Rotary Replacement for John Deere, Plug-and-Play

BSNOVT Ignition Switch with Key AUC18708 is a direct-fit rotary replacement for select John Deere tractors and utility vehicles, supplied with two keys for immediate installation. This ignition rotary switch is built as a like-for-like substitute for several original-equipment part numbers, so you can restore reliable starting and power control to compatible John Deere models without reworking wiring or mounts. It arrives with two cut keys and fits specific models such as the 345, 355, GT235, X595 and Z930M among others, offering a practical repair option when the factory switch fails or becomes intermittent.

Which John Deere machines will this ignition switch fit?

The BSNOVT switch is engineered to match the mounting pattern and electrical contacts used on a defined group of John Deere tractors and utility vehicles. It replaces multiple OE references to simplify sourcing for common models.

• Compatible with: 345, 355, 636M, 648R, 652M, 661R, GT235, GT245, LX277, LX279, X595, XUV550, Z720E, Z930M
• Direct replacement for OE parts: TCA26088, AUC15805, AUC13979, TCA24615
• Also replaces UC10104 and equivalent rotary ignition assemblies

How does installation and fitment work?

Installation is straightforward when the original switch has the same shape and connector layout—the unit is designed as a plug-and-play swap for compatible machines. Basic hand tools and access to the dash cluster are typically all that’s needed.

• Same mounting footprint as the OE switch to avoid dashboard modifications
• Pre-wired connector positions match factory harness locations
• Two keys included so you have a spare immediately after fitting

What durability and performance can I expect?

Constructed from robust materials, this ignition switch is intended for frequent use in demanding outdoor and agricultural environments. It focuses on reliable electrical contact and a positive key action to reduce erratic starts and intermittent power loss.

• High-grade components for long service life under heavy use
• Precision rotary action to minimize wear on tumblers and contacts
• Seated design to help resist ingress of dust and debris in typical operating conditions

What exactly is included in the package?

The product ships ready for installation with the core replacement switch and two matching keys, providing a complete swap without needing additional parts. That makes it convenient when replacing a lost key or a failing switch during routine maintenance.

• 1 x Ignition rotary switch (BSNOVT AUC18708 style)
• 2 x cut keys for immediate use and a spare
• Replaces listed OE numbers for simple cross-referencing

Who is this for? This BSNOVT ignition switch is aimed at owners, technicians and fleet managers who maintain John Deere lawn tractors, compact utility vehicles and ride-on mowers listed above. It’s a practical choice if you need a robust, drop-in replacement for a worn, damaged or missing ignition switch and want a low-friction repair that restores dependable starting and power control without rewiring or custom adaptation.

FAQ

Q: Is this ignition switch compatible with my John Deere model?

A: Check your model against the compatibility list: 345, 355, 636M, 648R, 652M, 661R, GT235, GT245, LX277, LX279, X595, XUV550, Z720E, Z930M.

Q: Does the kit include keys and does it replace OEM part numbers?

A: Yes. The package includes 2 keys and replaces OE parts TCA26088, AUC15805, AUC13979, TCA24615 and UC10104.