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John Deere 8400 Parts

24 categories · 232 total parts

Keep your John Deere 8400 running with quality replacement parts from Eastman Ag Parts. We stock 232+ 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 Deere8400
KIT; HYD CYL ROD SEAL — Part #EAP-102179
KIT; HYD CYL ROD SEALEAP-102179
Fits John Deere 310G, 310J, 310K, 310K EP, 310L, 310SL, 315SK...
Ready to Ship
$60.99
Free shipping
KIT; HYDRAULIC CYL REPAIR — Part #EAP-102183
KIT; HYDRAULIC CYL REPAIREAP-102183
Fits John Deere 2704, 2854, 2904, 3204, 7200R, 7210R, 7215R...
Ready to Ship
$63.99
Free shipping
ALL MFWD
KIT; HYDRAULIC STEERING C — Part #EAP-102632
KIT; HYDRAULIC STEERING CEAP-102632
Fits John Deere 8100, 8110, 8120, 8200, 8210, 8220, 8300, 8310...
Ready to Ship
$29.99
Free shipping
CYL KIT — Part #EAP-102794
CYL KITEAP-102794
Fits John Deere 312GR, 313, 315, 316GR, 317, 50CZTS, 50D, 50G...
Ready to Ship
$19.99
Free shipping
COMPRESSOR DENSO — Part #EAP-102851
COMPRESSOR DENSOEAP-102851
Fits John Deere 280, 300D, 310D, 310E, 310G, 310SE, 310SG, 310SJ...
Ready to Ship
$418.99
Free shipping
CYL KIT — Part #EAP-103071
CYL KITEAP-103071
Fits John Deere 210K, 210LE, 210LJ, 280, 310E, 310G, 310J, 310K...
Ready to Ship
$28.99
Free shipping
KIT; HYD CYL REPAIR — Part #EAP-103072
KIT; HYD CYL REPAIREAP-103072
Fits John Deere 110, 210K, 210L, 210LE, 210LJ, 3, 310E, 310G...
Ready to Ship
$36.99
Free shipping
OIL SEAL — Part #EAP-103370
OIL SEALEAP-103370
Fits John Deere 8100, 8100T, 8110, 8110T, 8120, 8120T, 8130, 8200...
Ready to Ship
$18.99
Free shipping
FRONT WIPER BLADE 23 3/4 — Part #EAP-103742
FRONT WIPER BLADE 23 3/4EAP-103742
Fits John Deere 6010, 6020, 6100, 6110, 6120, 6130, 6200, 6210...
Ready to Ship
$24.99
Free shipping
ALL S.N. 516000 - 516999
TENSIONER — Part #EAP-103861
TENSIONEREAP-103861
Fits John Deere 6140R, 6150M, 6150R, 6150RH, 6155M, 6155R, 6155RH...
Ready to Ship
$128.99
Free shipping
SWITCH COOLANT LEVEL — Part #EAP-103878
SWITCH COOLANT LEVELEAP-103878
Fits John Deere 6110R, 6120R, 6130R, 6145R, 6170R, 6175M, 6175R...
Ready to Ship
$21.99
Free shipping
MIRROR; LH/RH OUTER REAR — Part #EAP-104299
MIRROR; LH/RH OUTER REAREAP-104299
Fits John Deere 4030, 4040, 4050, 4055, 4230, 4240, 4250, 4255...
Ready to Ship
$82.99
Free shipping
SWITCH — Part #EAP-104355
SWITCHEAP-104355
Fits John Deere 1420, 1435, 1445, 1545, 1565, 1600, 1620, 2020A...
Ready to Ship
$15.99
Free shipping
THERMOSTAT 180' — Part #EAP-105044
THERMOSTAT 180'EAP-105044
Fits John Deere 110, 120, 120C, 160LC, 200LC, 230LC, 2630, 2640...
Ready to Ship
$13.99
Free shipping
FUEL FILTER — Part #EAP-105071
FUEL FILTEREAP-105071
Fits John Deere 1020, 1030, 1032, 1040, 1042, 1052, 1055, 1065...
Ready to Ship
$19.99
Free shipping
7 POLE SOCKET — Part #EAP-105410
7 POLE SOCKETEAP-105410
Fits John Deere 1020, 1050, 1070, 1250, 1450, 1520, 1530, 1650...
Ready to Ship
$20.99
Free shipping
CONE TAPERED ROLLER — Part #EAP-105593
CONE TAPERED ROLLEREAP-105593
Fits John Deere 7200, 7210, 7400, 7410, 7510, 7600, 7610, 7630...
Ready to Ship
$18.99
Free shipping
ISOLATOR — Part #EAP-105771
ISOLATOREAP-105771
Fits John Deere 3004, 7200, 7210, 7400, 7410, 7510, 7600, 7610...
Ready to Ship
$27.99
Free shipping
DRIER — Part #EAP-105813
DRIEREAP-105813
Fits John Deere 648G-II, 8100, 8100T, 8110, 8110T, 8200, 8200T...
Ready to Ship
$49.99
Free shipping
SENSOR ROTARY — Part #EAP-106267
SENSOR ROTARYEAP-106267
Fits John Deere 1830, 2704, 2904, 3004, 3204, 7210R, 7230R, 7250R...
Ready to Ship
$99.99
Free shipping
VALVE; MULTI-COUPLER — Part #EAP-106299
VALVE; MULTI-COUPLEREAP-106299
Fits John Deere 1290, 1291, 1293, 1294, 493, 494, 594, 693, 694...
Ready to Ship
$108.99
Free shipping
VALVE; CARTRIDGE ASSY — Part #EAP-106339
VALVE; CARTRIDGE ASSYEAP-106339
Fits John Deere 1290, 1291, 1293, 1294, 493, 494, 594, 693, 694...
Ready to Ship
$119.99
Free shipping
SOCKET HYD. COUPLER — Part #EAP-106356
SOCKET HYD. COUPLEREAP-106356
Fits John Deere 8100, 8200, 8300, 8400, 8500, 8600, 8700, 8800...
Ready to Ship
$86.99
Free shipping
RADIATOR CAP (10 LB.) — Part #EAP-106739
RADIATOR CAP (10 LB.)EAP-106739
Fits John Deere 2555, 2755, 5500, 7600, 7610, 7700, 7710, 7720...
Ready to Ship
$12.99
Free shipping
GASKET DRAIN PLUG (10PK) — Part #EAP-107257
GASKET DRAIN PLUG (10PK)EAP-107257
Fits John Deere 1020, 1520, 2010, 2020, 2030, 2040, 2140, 2240...
Ready to Ship
$6.99
Free shipping
SOCKET; HYD QUICK COUPLER — Part #EAP-109006
SOCKET; HYD QUICK COUPLEREAP-109006
Fits John Deere 1705, 1715, 1725, 1725NT, 1735, 1755, 1765, 1765N...
Ready to Ship
$158.99
Free shipping
OIL FILTER — Part #EAP-121444
OIL FILTEREAP-121444
Fits John Deere 1085, 1177, 1185, 1188, 1550, 1570, 2056, 2058...
Ready to Ship
$22.99
Free shipping
VALVE; EXHAUST GAS RECYCL — Part #EAP-121469
VALVE; EXHAUST GAS RECYCLEAP-121469
Fits John Deere 1050K, 1110E, 1210E, 1510E, 250D, 250GLC, 260E...
Ready to Ship
$545.99
Free shipping
ROTATING BEACON AMBER — Part #EAP-123381
ROTATING BEACON AMBEREAP-123381
Fits John Deere 5220, 5225, 5310N, 5320, 5320N, 5325, 5325N...
Ready to Ship
$73.99
Free shipping
O-RING PACKING — Part #EAP-129742
O-RING PACKINGEAP-129742
Fits John Deere 7200, 7210, 7400, 7410, 7510, 7600, 7610, 7700...
Ready to Ship
$1.99
Free shipping
Sold in packages of 5
FILTER AIR RECIR. — Part #EAP-134752
FILTER AIR RECIR.EAP-134752
Fits John Deere 6105M, 6105R, 6110M, 6110R, 6115M, 6115R, 6120M...
Ready to Ship
$29.99
Free shipping
MIRROR GLASS — Part #EAP-135025
MIRROR GLASSEAP-135025
Fits John Deere 4030, 4040, 4050, 4055, 4230, 4240, 4250, 4255...
Ready to Ship
$28.99
Free shipping
SOLENOID; FUEL — Part #EAP-137531
SOLENOID; FUELEAP-137531
Fits John Deere 1023E, 1025R, 1026R, 1435, 1445, 1505, 1515, 1545...
Ready to Ship
$56.99
Free shipping
RELEASE BEARING — Part #EAP-138011
RELEASE BEARINGEAP-138011
Fits John Deere 1010, 1020, 1030, 1040, 1050, 1060, 1070, 112...
Ready to Ship
$49.99
Free shipping
MAJOR OVERHAUL KIT — Part #EAP-138541
MAJOR OVERHAUL KITEAP-138541
Fits John Deere 1270D, 530B, 535, 560D, 644H, 748GIII, 762B, 770C...
Ready to Ship
$2469.99
Free shipping
SEAL OIL — Part #EAP-141456
SEAL OILEAP-141456
Fits John Deere 4050, 4050E, 4055, 4250, 4250E, 4255, 4450, 4455...
Ready to Ship
$12.99
Free shipping
PIN FASTENER — Part #EAP-141460
PIN FASTENEREAP-141460
Fits John Deere 7630, 7720, 7730, 7820, 7830, 7920, 7930, 8100...
Ready to Ship
$52.99
Free shipping
ALL FRONT & REAR
WIPER MOTOR — Part #EAP-141464
WIPER MOTOREAP-141464
Fits John Deere 6110, 6120, 6200, 6210, 6215, 6220, 6300, 6310...
Ready to Ship
$202.99
Free shipping
SEAL FRONT AXLE — Part #EAP-141476
SEAL FRONT AXLEEAP-141476
Fits John Deere 4050, 4055, 4250, 4255, 4450, 4455, 4555, 4560...
Ready to Ship
$45.99
Free shipping
LINE — Part #EAP-141481
LINEEAP-141481
Replaces WN-RE60684, 88RE155218, RE155218
Ready to Ship
$72.99
Free shipping
DUAL PRESS. SWITCH — Part #EAP-141487
DUAL PRESS. SWITCHEAP-141487
Replaces AMRE157329, RE60888, 1406-0981, 8812930730, RE157329
Ready to Ship
$29.99
Free shipping
CLEVIS ASSY.; DRAWBAR — Part #EAP-141491
CLEVIS ASSY.; DRAWBAREAP-141491
Replaces AMRE575227, 125650, R126822, RE150870, RE159503, RE575227+4 more
Ready to Ship
$345.99
Free shipping
RADIATOR — Part #EAP-141492
RADIATOREAP-141492
Replaces AMRE69135, R7566, RE596981, RE61305, AR5587, R45995+6 more
Ready to Ship
$1073.99
Freight only
SEAL REAR AXLE SHAFT — Part #EAP-141512
SEAL REAR AXLE SHAFTEAP-141512
Replaces VPH2182, WN-A-RE168641, JXRE168641, RE168641
Ready to Ship
$71.99
Free shipping
LINK END CAT. III — Part #EAP-141531
LINK END CAT. IIIEAP-141531
Replaces AMRE171278, NOS-JDRE171278, RE154432, RE171278, WN-RE171278+1 more
Ready to Ship
$221.99
Free shipping
TIE ROD (RH) — Part #EAP-141537
TIE ROD (RH)EAP-141537
Replaces AMRE173540, RE61401, VPJ3748, 104912, HR173540, HR61401+4 more
Ready to Ship
$138.99
Free shipping
TIE ROD (LH) — Part #EAP-141538
TIE ROD (LH)EAP-141538
Replaces AMRE173541, RE61402, RE61502, VPJ3671, HR173541, HR61402+4 more
Ready to Ship
$147.99
Free shipping
EXPANSION VALVE — Part #EAP-141544
EXPANSION VALVEEAP-141544
Replaces AMRE174764, 117589, 1406-7026, 1406-7060, 14067060, 903-727+3 more
Ready to Ship
$44.99
Free shipping

Frequently Asked Questions — John Deere 8400 Parts

What John Deere 8400 parts does Eastman Ag Parts carry?▾

Eastman Ag Parts stocks 232+ quality replacement parts for the John Deere 8400 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 8400 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 8400 parts within 2–5 business days. Orders over $299 under 25 lbs qualify for free shipping.

Are John Deere 8400 parts OEM quality?▾

Yes. All John Deere 8400 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 8400 Air Conditioning Parts parts?▾

Browse John Deere 8400 Air Conditioning Parts parts at eastmanagparts.com/john-deere/8400?cat=air-conditioning-parts.

Where can I find John Deere 8400 Bearings parts?▾

Browse John Deere 8400 Bearings parts at eastmanagparts.com/john-deere/8400?cat=bearings.

Where can I find John Deere 8400 Cab Parts parts?▾

Browse John Deere 8400 Cab Parts parts at eastmanagparts.com/john-deere/8400?cat=cab-parts.

Where can I find John Deere 8400 Clutch Parts parts?▾

Browse John Deere 8400 Clutch Parts parts at eastmanagparts.com/john-deere/8400?cat=clutch-parts.