• John Deere 2520, 3020, 4020, 4520 Gas & Diesel Positive Battery Cable

    John Deere 2510, 2520, 3020, 4020, 4520 (Gas & Diesel) Positive Battery Cable (Original 24-Volt)

    $65.25
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  • spark plug wire set

    8″ Fiber Optic Lead

    $33.99
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  • Full set photo

    John Deere 2510, 2520 Spark Plug Wire Set

    $21.50 – $26.00
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  • gauge

    John Deere 2510, 2520, & 3020 Tachometer with Red Needle (Up to 1968)

    $214.99
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  • Face of gauge

    John Deere 2510, 2520, & 3020 Tachometer with White Needle (1968 and Up)

    $214.99
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  • tachometer

    John Deere 2510, 2520, 3020, 4020 Tachometer with Red Needle

    $214.99
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  • wire harness

    John Deere 2520 Diesel (Early Synchro Range & Power Shift) Engine Harness

    $271.00
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  • placeholder product image

    John Deere 2520 Diesel Row Crop (Serial #19,541 to 22,000) Complete Wiring Harness (Power Shift Transmission)

    $1,293.75
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  • wire harness

    John Deere 2520 Diesel Row Crop (Serial #22,001 & Up) Complete Wire Harness (Power Shift)

    $1,332.75
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  • wire harness

    John Deere 2520 Diesel Row Crop (Serial #22,001 & Up) Complete Wire Harness (Synchro Range)

    $1,273.00
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  • wire harness

    John Deere 2520 Diesel Row Crop (Up to Serial #19,541) Complete Wire Harness (Power Shift Transmission)

    $1,313.25
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  • wire harness

    John Deere 2520 Diesel Row Crop (Up to Serial #22,000) Complete Wire Harness (Synchro Range)

    $1,252.50
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  • wire harness

    John Deere 2520 Gas & Diesel Engine Harness

    $286.25
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  • Full harness kit photo

    John Deere 2520 Gas Row Crop (Serial #19,541 to 22,000) Complete Wire Harness (Power Shift)

    $1,293.75
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  • wire harness

    John Deere 2520 Gas Row Crop (Serial #22,001 & Up) Complete Wire Harness (Power Shift)

    $1,332.75
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  • wire harness

    John Deere 2520 Gas Row Crop (Serial #22,001 & Up) Complete Wire Harness (Synchro Range)

    $1,285.50
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  • placeholder product image

    John Deere 2520 Gas Row Crop Complete Wire Harness (Up to Serial #19,541; Power Shift Transmission)

    $1,313.25
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  • wire harness

    John Deere 2520 Gas Row Crop Complete Wire Harness (Up to Serial #22,000; Synchro Range Transmission)

    $1,252.50
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  • wire harness

    John Deere 2520 Gas/Diesel (Serial #22,001 & Up) Engine Harness

    $257.50
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  • wire harness

    John Deere 2520, 3020, 4000, 4020 (Power Shift) Instrument & Filter Harness

    $229.75
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  • John Deere 2520, 3020, 4000, 4020 Diesel (Power Shift) Instrument Harness

    John Deere 2520, 3020, 4000, 4020 Diesel (Power Shift) Instrument Harness

    $216.00
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  • instrument harness

    John Deere 2520, 3020, 4000, 4020 Diesel Synchro Range Transmission Instrument Harness

    $182.25
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  • wire harness

    John Deere 2520, 3020, 4000, 4020, 4320, 4520 Fender Lamp Harness

    $50.50
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  • wire harness

    John Deere 2520, 3020, 4000, 4020, 4320, 4520 Main Wire Harness

    $560.25
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  • John Deere 2520, 3020, 4000, 4020, 4320, 4520 Lighting Harness

    John Deere 2520, 3020, 4000, 4020, 4320, 4520, 4620 Lighting Harness

    $291.50
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  • wire harness

    John Deere 2520, 3020, 4000, 4020, 4520 (with Power Shift Transmission) Instrument Harness

    $243.00
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  • John Deere 2520, 3020, 4000, 4020, Diesel Fender Lighting Harness

    John Deere 2520, 3020, 4000, 4020, 4520 Diesel Fender Lighting Harness

    $291.50
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  • John Deere 2520, 3020, 4000, 4020 Diesel Main Wire Harness

    John Deere 2520, 3020, 4000, 4020, 4520 Diesel Main Wire Harness

    $556.25
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  • John Deere 2520, 3020, 4000, 4020, 4520 Diesel Platform Harness

    John Deere 2520, 3020, 4000, 4020, 4520 Diesel Platform Harness

    $195.00
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  • wire harness

    John Deere 2520, 3020. 4000, 4020, 4320, 4520, 4620 Instrument Harness (Synchro Range Transmission)

    $169.00
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  • switch

    John Deere 4-Position Light Switch (6-Terminal)

    $37.99
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  • switch

    John Deere 4-Position Light Switch (9-Terminal, Diesel Only)

    $43.99
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  • switch

    John Deere 4-Position Light Switch Knob

    $14.99
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  • dimmer switch

    John Deere Headlight Dimmer Switch

    $19.75
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  • wire harness

    John Deere Motorola to Delco 10SI Alternator Adapter Harness

    $20.50
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  • lighting harness

    John Deere Platform Lighting Harness

    $145.00
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