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Switch AR30278 Fits John Deere 2010 3010 4010
Switch AR30278 Fits John Deere 2010 3010 4010
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One New Aftermarket Replacement Ignition Switch with Keys for John Deere Tractors and Industrial Equipment
This aftermarket replacement ignition switch (with 2 keys included) fits early John Deere (JD) Gas and LP tractors and construction/industrial models. The switch is part of the 12-volt ignition and starter electrical system, featuring 6 spade terminals and a 5/8"-32 UN threaded stem for direct OEM-fit installation. Replaces OEM part numbers AR30278, AR26528, AT21418, A4700R, and AT21041.
Important Serial Number Restrictions - Gas/LP Engines Only:
- 1010: Up to Serial Number 051039 (Gas/LP)
- 2010: Up to Serial Number 055380 (Gas/LP)
- 3010: All serials (Gas/LP)
- 3020: Up to Serial Number 067999 (Gas/LP)
- 4010: All serials (Gas/LP)
- 4020: Up to Serial Number 090999 (Gas/LP)
Specifications
- Voltage: 12-Volt System
- Amperage: 20 Amp
- Engine Type: Gas/LP
- Terminals: 6 spade terminals
- Stem Size: 5/8" - 32 UN threaded
- Includes: Switch and 2 keys
Compatible Models
John Deere Tractors: 1010, 2010, 3010, 3020, 4010, 4020
John Deere Industrial/Construction: 500 (Backhoe Loader), 600 (Carrier Dumper), 1010
Replaces Part Number(s):
AR30278, AR26528, A4700R, AT21418, AT21041, JDS583
New aftermarket replacement part - not remanufactured, not used.
Models This Part Fits:
600, 4020, 500, 3020, 1010, 4010, 2010, 3010Additional Information:
12-Volt System Gas Engines 20 Amp 6 spade terminals 5/8" - 32 UN threaded stem sizeReference Numbers:
AT21418, AR30278, AR26528, AR26528, AR30278, A4700R, AT21418Product Sub Group:
Ignition ComponentsView More: Ignition Components Replacement Parts



