Fitment and part numbers
Ignition Start Switch with Key - AM12 suits the AM12 1.2T Mini Excavator (KOOP KD192F / KD192FE engine). Stocked locally in Derwent Park, Tasmania.
Not sure it is the right part? Send us a photo of the part or your machine's serial plate and we will confirm the match before you order. Ask about fitment
Part details
| Our SKU | AM-PRT-AM12-IGN |
|---|---|
| Voltage | 12 V |
| System | Electrical & Controls |
Genuine replacement ignition/start switch assembly with key for the AM12 1.2T mini excavator (KOOP KD192FE engine). Controls engine start, ignition, and accessory functions.
Specifications
- Voltage: 12V DC
- Contact Type: Multi-position rotary (OFF, ACC, RUN, START)
- Current Rating: 20A continuous, 50A peak (starter circuit)
- Key Style: Standard round/flat head (fits original AM12 keyhole)
- Mounting: Panel or dash-mount bracket (included)
- IP Rating: IP54 (splash-resistant, dust-proof)
- Material: Chrome-plated brass body, stainless steel hardware
Compatibility
Fits: AM12 1.2T mini excavator (KOOP KD192FE engine)
Electrical System: 12V DC (positive ground or negative ground, check existing)
Key Interchangeability: Uses same key spec as original AM12 switch
Function
- OFF: Cuts all power; engine stops
- ACC: Powers accessories (lights, gauges) without starting
- RUN: Engine ignition on; ready for start
- START: Engages starter motor; spring-loaded return to RUN
Installation Notes
- Disconnect battery negative terminal before removal (safety first)
- Note wire positions before removing old switch (color-coded wires help)
- Verify 12V DC supply to switch with multimeter before connecting
- Connect starter and ignition circuits per original wiring diagram
- Mount securely to prevent vibration damage (use rubber bushings)
- Test all switch positions (OFF, ACC, RUN, START) before reconnecting battery
- Verify engine starts reliably from cold
Warranty
- 12-month manufacturer warranty (parts only)
- Does not cover wiring damage or incorrect installation
Australia-wide delivery available. Freight is calculated at checkout from size and weight.
Parts and filters ship Australia-wide. Freight is calculated at checkout from size and weight. Bulky items such as engines, cylinders, tracks and hydraulic motors are click-and-collect from Derwent Park at checkout; ask us for a freight quote if you cannot collect.
Free pickup from Derwent Park. We hold stock locally rather than drop-shipping from overseas, so most parts leave the same week.
How do I know this part fits my machine?
Every listing states the machine or engine it suits. If you are unsure, send us a photo of the part or your machine's serial plate and we will confirm the match before you order.
Which engine does my machine run?
The KOOP KD192F and Laidong KM385 are the engines fitted across the AM10, AM12 and AM16 machines. A photo of the serial plate is the quickest way to confirm which one you have.
Are wear parts covered by warranty?
Wear parts such as teeth, pins, bushings and cutting edges are excluded from warranty by nature, so we keep them stocked and priced to be replaced rather than nursed.
Do you stock this locally?
We hold stock in Derwent Park, Tasmania, rather than drop-shipping from overseas, so most parts leave the same week.