✦Free shipping on orders $299+ under 25 lbs✦
Eastman Ag PartsEastman Ag Parts
Eastman Ag Parts

Can't find your part? We'll find it.

John Deere 8400T Parts

22 categories · 127 total parts

Keep your John Deere 8400T running with quality replacement parts from Eastman Ag Parts. We stock 127+ parts across 22 categories — from Air Conditioning Parts, Cab Parts, Clutch Parts, Cooling Systems — all sourced to OEM specifications. Same-day shipping before 2 PM ET from Eastman, GA.

John Deere8400T
BEARING; CAM FOLLOWER — Part #EAP-100944
BEARING; CAM FOLLOWEREAP-100944
Fits John Deere 224T, 224WS, 327, 328, 330, 332AT, 335, 336...
Ready to Ship
$13.99
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
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
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
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
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
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
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
O'RING — Part #EAP-107055
O'RINGEAP-107055
Fits John Deere 1010, 2010, 2510, 2520, 2630, 2640, 2750, 2755...
Ready to Ship
$1.99
Free shipping
Sold in packages of 10
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
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
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
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
SEAL HYDRAULIC PUMP PTO — Part #EAP-141462
SEAL HYDRAULIC PUMP PTOEAP-141462
Fits John Deere 2704, 2854, 2904, 3204, 8100T, 8120, 8120T, 8130...
Ready to Ship
$20.99
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
LINE — Part #EAP-141481
LINEEAP-141481
Fits John Deere 8100, 8100T, 8110, 8110T, 8200, 8200T, 8210...
Ready to Ship
$72.99
Free shipping
DUAL PRESS. SWITCH — Part #EAP-141487
DUAL PRESS. SWITCHEAP-141487
Fits John Deere 5200, 5210, 5220, 5300, 5310, 5320, 5320N, 5400...
Ready to Ship
$29.99
Free shipping
RADIATOR — Part #EAP-141492
RADIATOREAP-141492
Fits John Deere 8100, 8200, 8300, 8310, 8310T, 8400, 8400T, 8410, 8410T
Ready to Ship
$1073.99
Freight only
EXPANSION VALVE — Part #EAP-141544
EXPANSION VALVEEAP-141544
Fits John Deere 5220, 5320, 5420, 5520, 7200, 7210, 7220, 7320...
Ready to Ship
$44.99
Free shipping
RESISTOR; BLOWER MOTOR — Part #EAP-141671
RESISTOR; BLOWER MOTOREAP-141671
Fits John Deere 5200, 5300, 5400, 5500, 7185J, 7195J, 7200, 7205J...
Ready to Ship
$34.99
Free shipping
FREEZE PLUG HEATER; 1 5/8 — Part #EAP-141706
FREEZE PLUG HEATER; 1 5/8EAP-141706
Fits John Deere 2250, 2350, 2355, 2450, 2550, 2555, 2630, 2650...
Ready to Ship
$218.99
Free shipping
GAS STRUT — Part #EAP-141725
GAS STRUTEAP-141725
Fits John Deere 7720, 7815, 7820, 7920, 8100, 8100T, 8110, 8110T...
Ready to Ship
$23.99
Free shipping
CYLINDER; GAS OPERATED — Part #EAP-141734
CYLINDER; GAS OPERATEDEAP-141734
Fits John Deere 8100, 8100T, 8110, 8110T, 8200, 8200T, 8210...
Ready to Ship
$33.99
Free shipping
BLOWER MOTOR — Part #EAP-141744
BLOWER MOTOREAP-141744
Fits John Deere 7200, 7210, 7400, 7410, 7510, 7600, 7610, 7700...
Ready to Ship
$180.99
Free shipping
ALL W/ POWERSHIFT TRANSMISSION
DISC CLUTCH W/ FACING — Part #EAP-141749
DISC CLUTCH W/ FACINGEAP-141749
Fits John Deere 8100, 8100T, 8110, 8110T, 8120, 8120T, 8130, 8200...
Ready to Ship
$45.99
Free shipping
DOOR RH STATIONARY REAR WINDOW/ CUT TO LENGTH- CHECK APP
WEATHERSTRIP — Part #EAP-141777
WEATHERSTRIPEAP-141777
Fits John Deere 2140, 2350, 2355, 2550, 2555, 2750, 2755, 2940...
Ready to Ship
$53.99
Free shipping
ALL SN <904181
DRIVE; VISCOUS FAN — Part #EAP-141833
DRIVE; VISCOUS FANEAP-141833
Fits John Deere 4050, 4055, 4250, 4255, 4450, 4455, 8100, 8100T...
Ready to Ship
$529.99
Free shipping
CAP; OIL FILLER — Part #EAP-141844
CAP; OIL FILLEREAP-141844
Fits John Deere 7200R, 7210R, 7215R, 7230R, 7250R, 7260R, 7270R...
Ready to Ship
$19.99
Free shipping
ALL W/ POWERSHIFT TRANSMISSION
DISC CLUTCH — Part #EAP-141871
DISC CLUTCHEAP-141871
Fits John Deere 8100, 8100T, 8110, 8110T, 8120, 8120T, 8130, 8200...
Ready to Ship
$45.99
Free shipping
ALL W/ POWERSHIFT TRANSMISSION
DISC CLUTCH — Part #EAP-141872
DISC CLUTCHEAP-141872
Fits John Deere 8100, 8100T, 8110, 8110T, 8120, 8120T, 8130, 8200...
Ready to Ship
$32.99
Free shipping
DISC CLUTCH W/ INNER SPL — Part #EAP-141873
DISC CLUTCH W/ INNER SPLEAP-141873
Replaces AMRE155958, AMRE294020, HR294020, RE155958, RE294020+2 more
Ready to Ship
$36.99
Free shipping
BLOWER SWITCH — Part #EAP-142082
BLOWER SWITCHEAP-142082
Replaces CPM9757, VPM9757, RE43497, WN-RE43497
Ready to Ship
$33.99
Free shipping
RADIATOR CAP (9 LB.) — Part #EAP-142083
RADIATOR CAP (9 LB.)EAP-142083
Replaces RE43593
Ready to Ship
$6.99
Free shipping
SEAL KIT; SELECTIVE CONTR — Part #EAP-142087
SEAL KIT; SELECTIVE CONTREAP-142087
Replaces HR43889, HR43891 KIT, WN-A-RE43889, JXRE43889, RE43889+1 more
Ready to Ship
$13.99
Free shipping
KIT SEAL; HYD QUICK COU — Part #EAP-142089
KIT SEAL; HYD QUICK COUEAP-142089
Replaces RE43892
Ready to Ship
$2.99
Free shipping
PIPE; EXHAUST FLEXIBLE — Part #EAP-142099
PIPE; EXHAUST FLEXIBLEEAP-142099
Replaces 185466, AMRE44784, RE44784, WN-RE44784
Ready to Ship
$250.99
Free shipping
FUEL PUMP — Part #EAP-142122
FUEL PUMPEAP-142122
Replaces VPD3099, RE46375
Ready to Ship
$276.99
Free shipping
12V140ANND — Part #EAP-142125
12V140ANNDEAP-142125
Replaces 90-29-5296, A-8496, AL9975X, AL9975X, AND0220, BAL9975X+39 more
Ready to Ship
$215.99
Free shipping
SENSOR — Part #EAP-142149
SENSOREAP-142149
Replaces RE48419, WN-RE48419
Ready to Ship
$21.99
Free shipping
ENGINE OIL PUMP — Part #EAP-142233
ENGINE OIL PUMPEAP-142233
Replaces AMAR99341R, NOS-JDAR99339, NOS-JDAR99341, R504028, R62946+23 more
Ready to Ship
$324.99
Free shipping

Frequently Asked Questions — John Deere 8400T Parts

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

Eastman Ag Parts stocks 127+ quality replacement parts for the John Deere 8400T across 22 categories, including Air Conditioning Parts, Cab Parts, Clutch Parts, Cooling Systems. We carry parts for engine, drivetrain, hydraulic, electrical systems, and more.

How fast does Eastman Ag Parts ship John Deere 8400T 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 8400T parts within 2–5 business days. Orders over $299 under 25 lbs qualify for free shipping.

Are John Deere 8400T parts OEM quality?▾

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

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

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

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

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

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

Where can I find John Deere 8400T Cooling Systems parts?▾

Browse John Deere 8400T Cooling Systems parts at eastmanagparts.com/john-deere/8400t?cat=cooling-systems.