• 2-Pole Auxiliary Plug

    2-Pole Auxiliary Plug

    $23.75
  • Full kit photo

    John Deere Alternator Mounting Bracket Adapter, Wiring, & Pulley Kit (Diesel Only)

    $69.75
  • 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
  • wire harness

    John Deere 4020 Diesel Row Crop (Up to Serial #75,534) Complete Wire Harness (10SI Alternator/ Power Shift)

    $486.25
  • battery cable

    John Deere 4020 Diesel Row Crop (Serial #250,001 & Up) Positive Battery Cable

    $52.00
  • wire harness

    John Deere 4000 (Serial #211,492-250,000), 4020 (Serial #201,000-250,000) Diesel Power Front Wheel Drive Harness (Power Shift)

    $238.00
  • Product photo

    12-Volt LED Trapezoid Light Assembly

    $67.99
  • tachometer cable

    33 1/4″ Tachometer Drive Cable

    $29.99
  • shock mount kit

    Delco Voltage Regulator Shock Mount Kit

    $23.95
  • John Deere 4000, 4020 Diesel Engine Harness

    John Deere 4000, 4020 Diesel Engine Harness

    $286.25
  • John Deere 4020 Diesel Main Wire Harness (Up To Serial #90,999 & Modified For Use With A 12 Volt Delco 10SI Alternator)

    John Deere 4020 Diesel Dash & Engine Harness (12-Volt/ 10SI Alternator)

    $267.75
  • light

    Concave 7″ Light Mounting Washer

    $5.99
  • wire harness

    John Deere 4000, 4020 (Serial #250,001 & Up) Diesel Engine Harness

    $250.00
  • A shiny red cable with a right angle battery terminal on one end and a bent lug on the other end.

    John Deere 3010, 3020, 4010, 4020 Diesel Positive Battery Cable (12-Volt Alternator)

    $44.00
  • sealed beam rear light bulb

    12-Volt Sealed Beam Combination Rear Light Bulb

    $19.99
  • ID Tag

    Orange Delco Remy I.D. Tag

    $7.00
  • light

    12-Volt Sealed Beam Outer Fender Light (Guide Style)

    $61.99
  • light

    12-Volt Sealed Beam Rear Combo Light with Rubber Bezel (Guide Style)

    $66.95
  • gauge

    John Deere Tachometer – White Needle (1968 & Up)

    $214.99
  • Full kit photo

    John Deere Alternator Mounting Bracket Kit (Gas Only)

    $49.75
  • knob

    Fuel Cap

    $10.99
  • wire harness

    John Deere 4020 Diesel Complete Wire Harness (Up To Serial #90,999) Synchro Range Transmission

    $474.75
  • John Deere 4020 Diesel Positive Battery Cable (Up To Serial #90,999, Original 24-Volt)

    $72.75
  • gauge

    John Deere 12 Volt Positive Ground Only Fuel Gauge

    $45.99
  • John Deere 4020 Diesel Complete Wire Harness Serial #91,000-200,999 With Synchro Range Transmission)

    John Deere 4020 Diesel Complete Wire Harness (Serial #91,000-200,999) with Synchro Range Transmission

    $801.25
  • wire harness

    John Deere 4020 Diesel Row Crop Complete Wire Harness (Serial #91,000 – 200,999) with Power Shift Transmission

    $814.75
  • starter

    Denso Direct Drive 12-Volt Starter Solenoid

    $47.25
  • coil bracket

    John Deere Distributor Hold Down Clamp

    $7.99
  • voltage regulator

    John Deere 12-Volt Alternator Voltage Regulator

    $36.75
  • John Deere Tachometer with Red Needle for Power Shift Transmission (pre-1968)

    John Deere Tachometer with Red Needle for Power Shift Transmission (pre-1968)

    $214.99
  • Full set photo

    John Deere OEM Ignition Key Switch (2 Keys Included)

    $54.99
  • lightbulb

    12-Volt Headlight Bulb (#1143)

    $3.00
  • John Deere 4020 Diesel Dash & Engine Wire Harness (Serial #91,000-200,999)

    John Deere 4020 Diesel Dash & Engine Wire Harness (Serial #91,000-200,999)

    $601.50
  • John Deere Water Temperature Gauge (29" Lead)

    John Deere Water Temperature Gauge (29″ Lead)

    $41.99
  • gauge

    John Deere Transmission Oil Temperature Gauge

    $45.99
  • wire harness

    John Deere 4000, 4020 Diesel (Serial #250,001 & Up) Complete Wire Harness (Synchro Range Transmission)

    $1,273.00
  • John Deere Alternator Indicator Lens

    John Deere Alternator Indicator Lens

    $14.99
  • The separate components of the socket laid out against a white background

    Isolated Lamp Pigtail for 5/8″ Hole (Unassembled/ Loose)

    $5.88
  • fuel sending unit

    John Deere Fuel Sending Unit (30 – 250 Ohms)

    $47.99
  • Full kit photo

    24-Volt to 12-Volt Conversion Kit For John Deere Diesel Tractors

    $498.50
  • light

    4 3/4″ “Guide” Headlight Reflector

    $14.99
  • switch

    12-Volt Cigarette Lighter

    $29.99
  • placeholder product image

    John Deere 4020 Diesel High Crop (Serial #91,000 to 200,999) Complete Wire Harness (Synchro Range w/ Generator)

    $781.75
  • round warning light

    12-Volt LED Round Fender & Cab Warning Light

    $54.99
  • 12v solenoid 3/4 view

    12-Volt Solenoid (For 30 & 35 MT Delco Starters)

    $23.75