John Deere 8420T Parts
21 categories · 146 total parts
Keep your John Deere 8420T running with quality replacement parts from Eastman Ag Parts. We stock 146+ parts across 21 categories — from Air Conditioning Parts, Belts, Cab Parts, Clutch Parts — all sourced to OEM specifications. Same-day shipping before 2 PM ET from Eastman, GA.
John Deere8420T
BEARING; CAM FOLLOWEREAP-100944
Fits John Deere 224T, 224WS, 327, 328, 330, 332AT, 335, 336...
Ready to Ship
$13.99
Ships to your addressFree shipping
KIT; HYDRAULIC CYL REPAIREAP-102183
Fits John Deere 2704, 2854, 2904, 3204, 7200R, 7210R, 7215R...
Ready to Ship
$63.99
Ships to your addressFree shipping
COMPRESSOR DENSOEAP-102851
Fits John Deere 280, 300D, 310D, 310E, 310G, 310SE, 310SG, 310SJ...
Ready to Ship
$418.99
Ships to your addressFree shipping
KIT; HYDRAULIC CYL REPAIREAP-103073
Fits John Deere 7200R, 7210R, 7215R, 7230R, 7250R, 7260R, 7270R...
Ready to Ship
$46.99
Ships to your addressFree shipping
OIL SEALEAP-103370
Fits John Deere 8100, 8100T, 8110, 8110T, 8120, 8120T, 8130, 8200...
Ready to Ship
$18.99
Ships to your addressFree shipping
THERMOSTAT 180'EAP-105044
Fits John Deere 110, 120, 120C, 160LC, 200LC, 230LC, 2630, 2640...
Ready to Ship
$13.99
Ships to your addressFree shipping
7 POLE SOCKETEAP-105410
Fits John Deere 1020, 1050, 1070, 1250, 1450, 1520, 1530, 1650...
Ready to Ship
$20.99
Ships to your addressFree shipping
ISOLATOREAP-105771
Fits John Deere 3004, 7200, 7210, 7400, 7410, 7510, 7600, 7610...
Ready to Ship
$27.99
Ships to your addressFree shipping
RADIATOR CAP (10 LB.)EAP-106739
Fits John Deere 2555, 2755, 5500, 7600, 7610, 7700, 7710, 7720...
Ready to Ship
$12.99
Ships to your addressFree shipping
O'RINGEAP-107055
Fits John Deere 1010, 2010, 2510, 2520, 2630, 2640, 2750, 2755...
Ready to Ship
$1.99
Ships to your addressFree shipping
GASKET DRAIN PLUG (10PK)EAP-107257
Fits John Deere 1020, 1520, 2010, 2020, 2030, 2040, 2140, 2240...
Ready to Ship
$6.99
Ships to your addressFree shipping
SOCKET; HYD QUICK COUPLEREAP-109006
Fits John Deere 1705, 1715, 1725, 1725NT, 1735, 1755, 1765, 1765N...
Ready to Ship
$158.99
Ships to your addressFree shipping
BLADE-MOWER XHT 20-1/2"EAP-111920
Fits John Deere 160, 2210, 261, 400, 4000, 4010, 420, 430, 60...
Ready to Ship
$27.99
Ships to your addressFree shipping
ROTATING BEACON AMBEREAP-123381
Fits John Deere 5220, 5225, 5310N, 5320, 5320N, 5325, 5325N...
Ready to Ship
$73.99
Ships to your addressFree shipping
FUEL/WATER SEPARATOREAP-125905
Fits John Deere 1270D, 6081, 6081A, 6081H, 6081T, 644J, 7200...
Ready to Ship
$166.99
Ships to your addressFree shipping
ALL ENG. SN 232463>
FUEL/WATER SEPARATOREAP-125909
Fits John Deere 250D, 300D, 4920, 770D, 7710, 7720, 772D, 7810...
Ready to Ship
$152.99
Ships to your addressFree shipping
RELEASE BEARINGEAP-138011
Fits John Deere 1010, 1020, 1030, 1040, 1050, 1060, 1070, 112...
Ready to Ship
$49.99
Ships to your addressFree shipping
MAJOR OVERHAUL KITEAP-138542
Fits John Deere 6081AF, 6081HF, 6610, 6650, 7200, 8100, 8100T...
Ready to Ship
$2141.99
Ships to your addressFree shipping
SEAL OILEAP-141456
Fits John Deere 4050, 4050E, 4055, 4250, 4250E, 4255, 4450, 4455...
Ready to Ship
$12.99
Ships to your addressFree shipping
PIN FASTENEREAP-141460
Fits John Deere 7630, 7720, 7730, 7820, 7830, 7920, 7930, 8100...
Ready to Ship
$52.99
Ships to your addressFree shipping
SEAL HYDRAULIC PUMP PTOEAP-141462
Fits John Deere 2704, 2854, 2904, 3204, 8100T, 8120, 8120T, 8130...
Ready to Ship
$20.99
Ships to your addressFree shipping
DUAL PRESS. SWITCHEAP-141487
Fits John Deere 5200, 5210, 5220, 5300, 5310, 5320, 5320N, 5400...
Ready to Ship
$29.99
Ships to your addressFree shipping
CLEVIS ASSY.; DRAWBAREAP-141491
Fits John Deere 7630, 7720, 7730, 7820, 7830, 7920, 7930, 8100...
Ready to Ship
$345.99
Ships to your addressFree shipping
SN 903263>
TENSIONER; BELTEAP-141525
Fits John Deere 450CLC, 4720, 4920, 7185J, 7205J, 744H, 744J...
Ready to Ship
$87.99
Ships to your addressFree shipping
EXPANSION VALVEEAP-141544
Fits John Deere 5220, 5320, 5420, 5520, 7200, 7210, 7220, 7320...
Ready to Ship
$44.99
Ships to your addressFree shipping
BULB LIGHT 12V (90EAP-141552
Fits John Deere 4710, 4720, 4730, 4830, 4920, 4930, 7630, 7720...
Ready to Ship
$7.99
Ships to your addressFree shipping
SEAL SLIPPER; BREAKAWAYEAP-141562
Fits John Deere 7200, 7200R, 7210, 7210R, 7215R, 7230R, 7250R...
Ready to Ship
$16.99
Ships to your addressFree shipping
TENSIONER; BELTEAP-141580
Fits John Deere 8120, 8120T, 8220, 8220T, 8320, 8320T, 8420, 8420T, 8520, 8520T
Ready to Ship
$96.99
Ships to your addressFree shipping
ALL TRACK ACCUMULATOR
SENSOR; TRANS OIL PRESSUREAP-141620
Fits John Deere 4890, 4895, 4990, 4995, 600F, 600R, 6130, 6130M...
Ready to Ship
$71.99
Ships to your addressFree shipping
RECEIVER/DRIEREAP-141663
Fits John Deere 7720, 7820, 7920, 8120, 8120T, 8220, 8220T, 8320...
Ready to Ship
$76.99
Ships to your addressFree shipping
RESISTOR; BLOWER MOTOREAP-141671
Fits John Deere 5200, 5300, 5400, 5500, 7185J, 7195J, 7200, 7205J...
Ready to Ship
$34.99
Ships to your addressFree shipping
ALTERNATOR; 12V 150 AMPEAP-141676
Fits John Deere 8120, 8120T, 8220, 8220T, 8320, 8320T, 8420, 8420T, 8520, 8520T
Ready to Ship
$316.99
Ships to your addressFree shipping
FREEZE PLUG HEATER; 1 5/8EAP-141706
Fits John Deere 2250, 2350, 2355, 2450, 2550, 2555, 2630, 2650...
Ready to Ship
$218.99
Ships to your addressFree shipping
GAS STRUTEAP-141724
Fits John Deere 7720, 7815, 7820, 7920, 8100, 8110, 8120, 8120T...
Ready to Ship
$30.99
Ships to your addressFree shipping
GAS STRUTEAP-141725
Fits John Deere 7720, 7815, 7820, 7920, 8100, 8100T, 8110, 8110T...
Ready to Ship
$23.99
Ships to your addressFree shipping
KIT O-RING; SCV INTERFACEAP-141742
Fits John Deere 8120, 8120T, 8130, 8220, 8220T, 8230, 8230T, 8320...
Ready to Ship
$28.99
Ships to your addressFree shipping
BLOWER MOTOREAP-141744
Fits John Deere 7200, 7210, 7400, 7410, 7510, 7600, 7610, 7700...
Ready to Ship
$180.99
Ships to your addressFree shipping
ALL W/ POWERSHIFT TRANSMISSION
DISC CLUTCH W/ FACINGEAP-141749
Fits John Deere 8100, 8100T, 8110, 8110T, 8120, 8120T, 8130, 8200...
Ready to Ship
$45.99
Ships to your addressFree shipping
RADIATOREAP-141769
Fits John Deere 8120, 8220, 8320, 8420, 8420T, 8520, 8520T
Ready to Ship
$1098.99
Freight requiredFreight only
DOOR RH STATIONARY REAR WINDOW/ CUT TO LENGTH- CHECK APP
WEATHERSTRIPEAP-141777
Fits John Deere 2140, 2350, 2355, 2550, 2555, 2750, 2755, 2940...
Ready to Ship
$53.99
Ships to your addressFree shipping
ALL ROCKSHAFT POSITION SENSOR
SENSOR; CONTACTING POTENTEAP-141802
Fits John Deere 5076EN, 5083EN, 5090EN, 5093EN, 5101EN, 5225...
Ready to Ship
$83.99
Ships to your addressFree shipping
CAP; OIL FILLEREAP-141844
Fits John Deere 7200R, 7210R, 7215R, 7230R, 7250R, 7260R, 7270R...
Ready to Ship
$19.99
Ships to your addressFree shipping
ALL W/ POWERSHIFT TRANSMISSION
DISC CLUTCHEAP-141871
Fits John Deere 8100, 8100T, 8110, 8110T, 8120, 8120T, 8130, 8200...
Ready to Ship
$45.99
Ships to your addressFree shipping
ALL W/ POWERSHIFT TRANSMISSION
DISC CLUTCHEAP-141872
Fits John Deere 8100, 8100T, 8110, 8110T, 8120, 8120T, 8130, 8200...
Ready to Ship
$32.99
Ships to your addressFree shipping
ALL W/ POWERSHIFT TRANSMISSION
DISC CLUTCH W/ INNER SPLEAP-141873
Fits John Deere 8100, 8100T, 8110, 8110T, 8120, 8120T, 8130, 8200...
Ready to Ship
$36.99
Ships to your addressFree shipping
FANEAP-141926
Fits John Deere 7720, 7730, 7820, 7830, 7920, 7930, 8110, 8110T...
Ready to Ship
$209.99
Ships to your addressFree shipping
BLOWER SWITCHEAP-142082
Fits John Deere 5200, 5210, 5220, 5300, 5310, 5320, 5320N, 5400...
Ready to Ship
$33.99
Ships to your addressFree shipping
Frequently Asked Questions — John Deere 8420T Parts
What John Deere 8420T parts does Eastman Ag Parts carry?▾
Eastman Ag Parts stocks 146+ quality replacement parts for the John Deere 8420T across 21 categories, including Air Conditioning Parts, Belts, Cab Parts, Clutch Parts. We carry parts for engine, drivetrain, hydraulic, electrical systems, and more.
How fast does Eastman Ag Parts ship John Deere 8420T 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 8420T parts within 2–5 business days. Orders over $299 under 25 lbs qualify for free shipping.
Are John Deere 8420T parts OEM quality?▾
Yes. All John Deere 8420T 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 8420T Air Conditioning Parts parts?▾
Browse John Deere 8420T Air Conditioning Parts parts at eastmanagparts.com/john-deere/8420t?cat=air-conditioning-parts.
Where can I find John Deere 8420T Belts parts?▾
Browse John Deere 8420T Belts parts at eastmanagparts.com/john-deere/8420t?cat=belts.
Where can I find John Deere 8420T Cab Parts parts?▾
Browse John Deere 8420T Cab Parts parts at eastmanagparts.com/john-deere/8420t?cat=cab-parts.
Where can I find John Deere 8420T Clutch Parts parts?▾
Browse John Deere 8420T Clutch Parts parts at eastmanagparts.com/john-deere/8420t?cat=clutch-parts.