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John Deere 4020 Parts

24 categories · 494 total parts

Keep your John Deere 4020 running with quality replacement parts from Eastman Ag Parts. We stock 494+ parts across 24 categories — from Air Conditioning Parts, Bearings, Cab Parts, Clutch Parts — all sourced to OEM specifications. Same-day shipping before 2 PM ET from Eastman, GA.

John Deere4020
201000>
BATTERY CABLE — Part #EAP-100179
BATTERY CABLEEAP-100179
Fits John Deere 3020, 4020, 5010, 5020, 760
Ready to Ship
$34.99
Free shipping
SEALED BEAM — Part #EAP-101838
SEALED BEAMEAP-101838
Fits John Deere 1010, 1020, 1120, 1130, 1520, 1530, 1630, 1640...
Ready to Ship
$11.99
Free shipping
AIR FILTER — Part #EAP-102061
AIR FILTEREAP-102061
Fits John Deere 1055, 1065, 1068H, 1072, 1075, 1166, 1169, 1174...
Ready to Ship
$118.99
Free shipping
NEW ST. SOLENOID — Part #EAP-104127
NEW ST. SOLENOIDEAP-104127
Fits John Deere 1010, 1020, 1030, 1040, 1120, 1130, 1140, 1155...
Ready to Ship
$50.99
Free shipping
S/N <200999
BEARING BALL — Part #EAP-104554
BEARING BALLEAP-104554
Fits John Deere 2510, 2520, 3020, 320, 330, 350, 350B, 40, 4020...
Ready to Ship
$36.99
Free shipping
ALL SN 201000>
STARTER RELAY — Part #EAP-104557
STARTER RELAYEAP-104557
Fits John Deere 3020, 3430, 3830, 400, 4000, 4020, 4030, 4230...
Ready to Ship
$34.99
Free shipping
POWERTECH
12V40AN.HI — Part #EAP-104585
12V40AN.HIEAP-104585
Fits John Deere 4020, 4475, 5575, 6675, 7775 / Mahindra 2810
Ready to Ship
$328.99
Free shipping
ALL SN 215000-335845 6CYL ENG
CAMSHAFT — Part #EAP-104697
CAMSHAFTEAP-104697
Fits John Deere 4000, 4020, 4040, 4050, 4240, 4240S, 4250, 4320...
Ready to Ship
$405.99
Free shipping
ALL SN <201000 W/ MARVEL SCHEBLER CARB.
NEEDLE & SEAT CARB. KIT — Part #EAP-104710
NEEDLE & SEAT CARB. KITEAP-104710
Fits John Deere 3010, 3020, 4010, 4020, 500, 500A, 600
Ready to Ship
$10.99
Free shipping
DSL W/ AIR
SEAL KIT WATER PUMP — Part #EAP-104716
SEAL KIT WATER PUMPEAP-104716
Fits John Deere 1020, 1520, 1530, 190E, 2020, 2030, 210C, 24...
Ready to Ship
$10.99
Free shipping
JD HYDRAULIC PUMP — Part #EAP-104717
JD HYDRAULIC PUMPEAP-104717
Fits John Deere 1640, 2040, 2140, 2955, 300, 300B, 3010, 3020...
Ready to Ship
$1273.99
Free shipping
HALOGEN S.BEAM — Part #EAP-104741
HALOGEN S.BEAMEAP-104741
Fits John Deere 2140, 2350, 2355, 2360, 2510, 2550, 2555, 2750...
Ready to Ship
$20.99
Free shipping
SEALED BEAM — Part #EAP-104778
SEALED BEAMEAP-104778
Fits John Deere 1040, 1140, 2010, 2040, 2150, 2155, 2240, 2255...
Ready to Ship
$14.99
Free shipping
SWITCH HORN/ ETHER START — Part #EAP-104783
SWITCH HORN/ ETHER STARTEAP-104783
Fits John Deere 2510, 2840, 3010, 3020, 4010, 4020, 4030, 4040...
Ready to Ship
$10.99
Free shipping
ALL W/ GAS & DIESEL ENGINES
OIL FILTER — Part #EAP-104796
OIL FILTEREAP-104796
Fits John Deere 1010, 1020, 1520, 1530, 2010, 3010, 3020, 4000...
Ready to Ship
$8.99
Free shipping
GAS & DIESEL S/N <-200999
SENDING UNIT FUEL — Part #EAP-104798
SENDING UNIT FUELEAP-104798
Fits John Deere 3010, 3020, 4010, 4020, 500, 600, 860, 860A
Ready to Ship
$48.99
Free shipping
SEAL — Part #EAP-104799
SEALEAP-104799
Fits John Deere 1020, 1030, 1040, 1120, 1130, 1140, 1520, 1550...
Ready to Ship
$9.99
Free shipping
DIESEL (RH)
BATT CABLE1AG64 — Part #EAP-104812
BATT CABLE1AG64EAP-104812
Fits John Deere 3010, 3020, 4010, 4020
Ready to Ship
$53.99
Free shipping
<200999
BATTERY CABLE — Part #EAP-104813
BATTERY CABLEEAP-104813
Fits John Deere 2510, 3010, 3020, 4010, 4020, 440, 440A, 440B...
Ready to Ship
$17.99
Free shipping
SN <200999
STEERING WHEEL — Part #EAP-104814
STEERING WHEELEAP-104814
Fits John Deere 1010, 2010, 2510, 3010, 3020, 4010, 4020, 4520...
Ready to Ship
$60.99
Free shipping
ALL W/ GAS & LP ENGINES
MUFFLER — Part #EAP-104815
MUFFLEREAP-104815
Fits John Deere 3010, 3020, 4000, 4010, 4020
Ready to Ship
$86.99
Free shipping
SN <200999
ROCKSHAFT CONTROL CABLE — Part #EAP-104819
ROCKSHAFT CONTROL CABLEEAP-104819
Fits John Deere 4010, 4020
Ready to Ship
$93.99
Free shipping
CABLE TACHOMETER — Part #EAP-104820
CABLE TACHOMETEREAP-104820
Fits John Deere 3010, 3020, 4000, 4010, 4020, 4320, 4520, 4620, 500, 500A, 600
Ready to Ship
$30.99
Free shipping
SN <1969
SIDE SHIELD RH REAR — Part #EAP-104822
SIDE SHIELD RH REAREAP-104822
Fits John Deere 4010, 4020
Ready to Ship
$128.99
Free shipping
<1969
SIDE SHIELD LH REAR — Part #EAP-104823
SIDE SHIELD LH REAREAP-104823
Fits John Deere 4010, 4020
Ready to Ship
$134.99
Free shipping
SN <200999
CABLE CHOKE — Part #EAP-104839
CABLE CHOKEEAP-104839
Fits John Deere 2510, 4020
Ready to Ship
$70.99
Free shipping
ALL FIXED TREAD STANDARD FRONT AXLES.
TIE ROD — Part #EAP-104842
TIE RODEAP-104842
Fits John Deere 1020, 1520, 2030, 2510, 2520, 300, 300B, 3010...
Ready to Ship
$23.99
Free shipping
RELEASE BEARING JD — Part #EAP-104843
RELEASE BEARING JDEAP-104843
Fits John Deere 4000, 4010, 4020, 4320
Ready to Ship
$79.99
Free shipping
SN: < 090999
SWITCH LIGHT — Part #EAP-104846
SWITCH LIGHTEAP-104846
Fits John Deere 1010, 1020, 1520, 2010, 2020, 2030, 300, 301...
Ready to Ship
$40.99
Free shipping
SN: < 090999
SWITCH LIGHT — Part #EAP-104847
SWITCH LIGHTEAP-104847
Fits John Deere 3010, 3020, 4010, 4020, 500, 5010, 600
Ready to Ship
$46.99
Free shipping
RADIATOR CAP — Part #EAP-104848
RADIATOR CAPEAP-104848
Fits John Deere 2010, 2440, 2510, 2520, 2640, 3010, 3020, 4000...
Ready to Ship
$15.99
Free shipping
BRAKE PAD (3/BAG) FIBER — Part #EAP-104849
BRAKE PAD (3/BAG) FIBEREAP-104849
Fits John Deere 2510, 2520, 3010, 3020, 4000, 4020, 4030, 4040...
Ready to Ship
$19.99
Free shipping
Sold in packages of 3
BRAKE PAD (3/BAG) — Part #EAP-104850
BRAKE PAD (3/BAG)EAP-104850
Fits John Deere 4000, 4010, 4020, 4040, 4050, 4230, 4240, 4250...
Ready to Ship
$21.99
Free shipping
Sold in packages of 3
ALL SN 201000>
LOWER PULL ARM — Part #EAP-104851
LOWER PULL ARMEAP-104851
Fits John Deere 1020, 1520, 1530, 2010, 2020, 2030, 2040, 2240...
Ready to Ship
$187.99
Free shipping
ALL STEWART WARNER
CORE TACHOMETER CABLE — Part #EAP-104854
CORE TACHOMETER CABLEEAP-104854
Fits John Deere 3010, 3020, 4000, 4010, 4020, 4320, 4520, 4620...
Ready to Ship
$26.99
Free shipping
BATTERY CABLE — Part #EAP-104855
BATTERY CABLEEAP-104855
Fits John Deere 3010, 3020, 4010, 4020, 500A, 570, 570A, A, B
Ready to Ship
$28.99
Free shipping
CLAMP PIVOT PLATE — Part #EAP-104858
CLAMP PIVOT PLATEEAP-104858
Fits John Deere 2510, 2520, 3010, 3020, 4000, 4010, 4020, 4230, 4320
Ready to Ship
$119.99
Free shipping
VOLT. REGULATOR — Part #EAP-104859
VOLT. REGULATOREAP-104859
Fits John Deere 3010, 3020, 4010, 4020, 500, 5010, 600
Ready to Ship
$182.99
Free shipping
W/ DIESEL ENGINE SN <200999
MUFFLER — Part #EAP-104861
MUFFLEREAP-104861
Fits John Deere 3020, 4010, 4020
Ready to Ship
$101.99
Free shipping
SN: < 090999; GAS/LP
SWITCH; IGNITION — Part #EAP-104862
SWITCH; IGNITIONEAP-104862
Fits John Deere 1010, 2010, 3010, 3020, 4010, 4020, 500, 600
Ready to Ship
$47.99
Free shipping
GAS & DIESEL SN <-200999
SWITCH — Part #EAP-104863
SWITCHEAP-104863
Fits John Deere 3010, 3020, 4010, 4020, 5010
Ready to Ship
$17.99
Free shipping
LINE FUEL FILTER TO INJ. — Part #EAP-104870
LINE FUEL FILTER TO INJ.EAP-104870
Fits John Deere 4000, 4020, 600, 644A
Ready to Ship
$44.99
Free shipping
POINT SET — Part #EAP-104875
POINT SETEAP-104875
Fits John Deere 1010, 2010, 3010, 3020, 4000, 4010, 4020, 500, 500A, 500B, 600
Ready to Ship
$7.99
Free shipping
ALL 1964 >
TUNE UP KIT — Part #EAP-104876
TUNE UP KITEAP-104876
Fits John Deere 1010, 12, 2010, 215, 215A, 217, 3010, 3020, 323W...
Ready to Ship
$10.99
Free shipping
LEVER CLUTCH MAIN — Part #EAP-104877
LEVER CLUTCH MAINEAP-104877
Fits John Deere 4020, 4320
Ready to Ship
$37.99
Free shipping
BRAKE VALVE OH KIT — Part #EAP-104878
BRAKE VALVE OH KITEAP-104878
Fits John Deere 2510, 2520, 3010, 3020, 4000, 4010, 4020, 4030...
Ready to Ship
$36.99
Free shipping
LINK SEAT SUSPENSION — Part #EAP-104879
LINK SEAT SUSPENSIONEAP-104879
Fits John Deere 2510, 2520, 3010, 3020, 4000, 4010, 4020, 4320...
Ready to Ship
$50.99
Free shipping
SN<200999; SYNCRO RANGE
OIL LINE; DUAL SELECTIVE — Part #EAP-104891
OIL LINE; DUAL SELECTIVEEAP-104891
Fits John Deere 4020, 600, OUTER
Ready to Ship
$93.99
Free shipping

Frequently Asked Questions — John Deere 4020 Parts

What John Deere 4020 parts does Eastman Ag Parts carry?▾

Eastman Ag Parts stocks 494+ quality replacement parts for the John Deere 4020 across 24 categories, including Air Conditioning Parts, Bearings, Cab Parts, Clutch Parts. We carry parts for engine, drivetrain, hydraulic, electrical systems, and more.

How fast does Eastman Ag Parts ship John Deere 4020 parts?▾

Orders placed before 2 PM ET ship the same business day. We ship from Eastman, GA and most continental US customers receive their John Deere 4020 parts within 2–5 business days. Orders over $299 under 25 lbs qualify for free shipping.

Are John Deere 4020 parts OEM quality?▾

Yes. All John Deere 4020 parts sold by Eastman Ag Parts meet or exceed OEM specifications. Family-owned since 1974, we stand behind every part we sell with a 30-day hassle-free return policy.

Where can I find John Deere 4020 Air Conditioning Parts parts?▾

Browse John Deere 4020 Air Conditioning Parts parts at eastmanagparts.com/john-deere/4020?cat=air-conditioning-parts.

Where can I find John Deere 4020 Bearings parts?▾

Browse John Deere 4020 Bearings parts at eastmanagparts.com/john-deere/4020?cat=bearings.

Where can I find John Deere 4020 Cab Parts parts?▾

Browse John Deere 4020 Cab Parts parts at eastmanagparts.com/john-deere/4020?cat=cab-parts.

Where can I find John Deere 4020 Clutch Parts parts?▾

Browse John Deere 4020 Clutch Parts parts at eastmanagparts.com/john-deere/4020?cat=clutch-parts.