NC-032761 · Ignition Components
AR30278 Switch – Fits John Deere
CAD 107.89
In stockSwitch – reference AR30278. Catalogue-listed applications: John Deere 1010, 2010, 3010, 3020, 4010, 4020, 500 (Backhoe Loader). View photos, specifications, CAD pricing and delivery options from NorthCore.
Standard delivery: 3–7 business days. Other services and estimates are shown at checkout. Minimum online order: CAD 100 in parts, excluding shipping and tax. Add this part to your cart to calculate delivery and review your order.
Part specifications and references
- NorthCore code
- NC-032761
- Reference numbers
- AR30278, AR26528, A4700R, AT21418, AT21041, JDS583
- Listed package quantity
- 1
Product information and configuration
Quantity indicated in catalogue: 1 Replacement part: Switch AR30278 Fits John Deere 2010 3010 4010. Configuration: 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. Reference numbers: AR30278, AR26528, A4700R, AT21418, AT21041, JDS583
Catalogue-listed applications
Use these as reference information. Check the part numbers, specifications and any application restrictions against your equipment.
- John Deere 1010
- John Deere 2010
- John Deere 3010
- John Deere 3020
- John Deere 4010
- John Deere 4020
- John Deere 500 (Backhoe Loader)
- John Deere 600 (Carrier Dumper)
Application notes
- 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)
- New aftermarket replacement part - not remanufactured, not used.
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