Electronic Control Unit AM141075 Lawn Garden Tractors for John Deere X300 X304 Features: Application: Fits for John Deere Lawn Tractors: X300 X304 X320 X324 X340 X300R X360 X305R X310, for John Deere Garden Tractors: X500 X530 X534 X540 X590. Replacement for: AM141075, AM141075, AM137667, AM136611, AM136596, AM136588, AM135490, AM130774 Function: Since the stall happens after mowing for some period of time when the engine is hot, this electronic control unit can solve the stall problem of your lawn tractor. Installed it within 10 minutes, save your time and energy. Meeting or exceeding OEM specifications. .