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John Deere 400G Parts

8 categories · 47 total parts

Keep your John Deere 400G running with quality replacement parts from Eastman Ag Parts. We stock 47+ parts across 8 categories — from Bearings, Clutch Parts, Cooling Systems, Engine Overhaul Kits — all sourced to OEM specifications. Same-day shipping before 2 PM ET from Eastman, GA.

John Deere400G
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
SEAL SHIFTER CAM SHAFT — Part #EAP-104934
SEAL SHIFTER CAM SHAFTEAP-104934
Fits John Deere 2010, 2510, 2520, 3010, 3020, 4000, 400G, 4010...
Ready to Ship
$8.99
Free shipping
RELEASE BEARING 2.0625"ID — Part #EAP-104967
RELEASE BEARING 2.0625"IDEAP-104967
Fits John Deere 105, 2510, 2520, 3020, 3300, 4000, 400G, 4010...
Ready to Ship
$36.99
Free shipping
1988- 1994 W/ MOTOROLA
ALTERNATOR NEW — Part #EAP-105718
ALTERNATOR NEWEAP-105718
Fits John Deere 210C, 210LE, 31, 3103, 3104, 3108, 3109, 310C...
Ready to Ship
$394.99
Free shipping
CLUTCH PRESSURE PLATE — Part #EAP-105721
CLUTCH PRESSURE PLATEEAP-105721
Fits John Deere 400G, 450B, 450C, 450D, 450E, 455D, 455E
Ready to Ship
$334.99
Free shipping
CLUTCH DISC (ROCKFORD) — Part #EAP-105805
CLUTCH DISC (ROCKFORD)EAP-105805
Fits John Deere 400G, 450B, 450C, 450D, 450E, 455D
Ready to Ship
$256.99
Free shipping
ALL 4.239D ENG
CRANKSHAFT — Part #EAP-105839
CRANKSHAFTEAP-105839
Fits John Deere 1052, 1155, 2020, 2030, 210C, 2120, 2130, 2140...
Ready to Ship
$1262.99
Freight only
SWITCH PRESSURE — Part #EAP-106100
SWITCH PRESSUREEAP-106100
Fits John Deere 1020, 1040, 1140, 1350, 1520, 1550, 1640, 1750...
Ready to Ship
$11.99
Free shipping
MAJOR OVERHAUL KIT — Part #EAP-106104
MAJOR OVERHAUL KITEAP-106104
Fits John Deere 1840, 210C, 210D, 2130, 2350, 2355, 2355CS, 2360...
Ready to Ship
$996.99
Free shipping
ALTERNATOR BOSCH 85 AMP — Part #EAP-106803
ALTERNATOR BOSCH 85 AMPEAP-106803
Fits John Deere 210C, 310C, 310D, 310E, 315C, 315D, 3430, 3830...
Ready to Ship
$149.99
Free shipping
BRG. BALL; 6200 SERIES — Part #EAP-132247
BRG. BALL; 6200 SERIESEAP-132247
Fits John Deere 105, 2030, 2150, 2155, 2240, 2355, 2440, 2510...
Ready to Ship
$5.99
Free shipping
ALL 4.239D & 4039D ENG
CRANKSHAFT — Part #EAP-141629
CRANKSHAFTEAP-141629
Fits John Deere 1052, 1155, 2040S, 210C, 210D, 2130, 2140, 2250...
Ready to Ship
$923.99
Freight only
W/4039 DSL. W/DRY CLUTCH 1989-94
STARTER DIRECT DRIVE — Part #EAP-141752
STARTER DIRECT DRIVEEAP-141752
Fits John Deere 1020, 1030, 1032, 1040, 1042, 1052, 1055, 1065...
Ready to Ship
$239.99
Free shipping
W/4039 DSL. W/DRY CLUTCH 1989-94
STARTER HI OUTPUT — Part #EAP-141753
STARTER HI OUTPUTEAP-141753
Fits John Deere 1030, 1130, 152, 1530, 1550, 1630, 1750, 1830...
Ready to Ship
$343.99
Free shipping
WATER PUMP — Part #EAP-141781
WATER PUMPEAP-141781
Fits John Deere 1140, 1350, 1640, 1750, 1750V, 1840, 1850, 1850V...
Ready to Ship
$180.99
Free shipping
SHAFT BALANCER W/GEAR RH — Part #EAP-141807
SHAFT BALANCER W/GEAR RHEAP-141807
Fits John Deere 1052, 1155, 1830, 1840, 2020, 2030, 210C, 2130...
Ready to Ship
$171.99
Free shipping
BEARING MAIN STD — Part #EAP-141824
BEARING MAIN STDEAP-141824
Fits John Deere 1020, 1030, 1040, 1052, 1055, 1075, 1140, 1155...
Ready to Ship
$15.99
Free shipping
ALL 4.239D & 4039D ENG
PUMP FUEL LIFT (TRANSFER — Part #EAP-141834
PUMP FUEL LIFT (TRANSFEREAP-141834
Fits John Deere 1020, 1030, 1130, 1520, 1530, 1630, 1640, 190E...
Ready to Ship
$63.99
Free shipping
ALL 4.239D & 4039D ENG
PUMP OIL — Part #EAP-142001
PUMP OILEAP-142001
Fits John Deere 1020, 1030, 1130, 1420, 1520, 1530, 1630, 1640...
Ready to Ship
$127.99
Free shipping
INJECTOR PENCIL (NEW) — Part #EAP-142005
INJECTOR PENCIL (NEW)EAP-142005
Fits John Deere *ALL, 190E, 210C, 240, 290D, 2955, 300D, 3029D...
Ready to Ship
$71.99
Free shipping
FLYWHEEL W/ RING GEAR — Part #EAP-142272
FLYWHEEL W/ RING GEAREAP-142272
Fits John Deere 400G, 450B, 450C, 450D, 450E, 455D, 455E
Ready to Ship
$853.99
Free shipping
WATER PUMP — Part #EAP-142688
WATER PUMPEAP-142688
Fits John Deere 1040, 1040V, 1140, 1140F, 1140V, 1350, 1550, 1640...
Ready to Ship
$182.99
Free shipping
TUBE ENGINE OIL PUMP — Part #EAP-143280
TUBE ENGINE OIL PUMPEAP-143280
Fits John Deere 1020, 1030, 1040, 1052, 1075, 1140, 1155, 1350...
Ready to Ship
$19.99
Free shipping
FLYWHEEL RING GEAR — Part #EAP-143295
FLYWHEEL RING GEAREAP-143295
Fits John Deere 1020, 1030, 1040, 1052, 1072, 1140, 1155, 120...
Ready to Ship
$36.99
Free shipping
GASKET INJ. PUMP GEAR CO — Part #EAP-143380
GASKET INJ. PUMP GEAR COEAP-143380
Fits John Deere 1040, 1140, 1350, 1550, 1640, 1750, 1840, 1850...
Ready to Ship
$2.99
Free shipping
WATER PUMP — Part #EAP-143796
WATER PUMPEAP-143796
Fits John Deere 2030, 210C, 2510, 2520, 310A, 310B, 350, 350B...
Ready to Ship
$181.99
Free shipping
FITTING RETAINER — Part #EAP-143937
FITTING RETAINEREAP-143937
Fits John Deere 2510, 2520, 3020, 4000, 400G, 4020, 4030, 4040...
Ready to Ship
$12.99
Free shipping
EARLY SN
HOSE OIL COOLER — Part #EAP-144416
HOSE OIL COOLEREAP-144416
Fits John Deere 1040, 1040V, 1140, 1140F, 1140V, 1630, 1630OU...
Ready to Ship
$8.99
Free shipping
GASKETWATER PUMP HOUSING — Part #EAP-144426
GASKETWATER PUMP HOUSINGEAP-144426
Fits John Deere 2030, 210C, 2510, 2520, 2640, 310A, 310B, 350...
Ready to Ship
$15.99
Free shipping
CLUTCH PLATE — Part #EAP-144478
CLUTCH PLATEEAP-144478
Fits John Deere 1020, 1520, 2020, 2030, 2150, 2155, 2240, 2255...
Ready to Ship
$20.99
Free shipping
SPRING TRANS CLUTCH PACK — Part #EAP-144627
SPRING TRANS CLUTCH PACKEAP-144627
Fits John Deere 2510, 2520, 3020, 4000, 400G, 4020, 4040, 4050...
Ready to Ship
$11.99
Free shipping
ALL 4.239D ENG
CAPSCREW CONN ROD 2.75" — Part #EAP-144744
CAPSCREW CONN ROD 2.75"EAP-144744
Fits John Deere 1020, 1040, 1052, 1065, 1068H, 1072, 1075, 1085...
Ready to Ship
$3.99
Free shipping
Sold in packages of 2
GASKET FLYWHEEL HOUSING — Part #EAP-144892
GASKET FLYWHEEL HOUSINGEAP-144892
Fits John Deere 1020, 1030, 1040, 1130, 1140, 1520, 1530, 1630...
Ready to Ship
$15.99
Free shipping
GASKET OIL FILLER INLET — Part #EAP-144893
GASKET OIL FILLER INLETEAP-144893
Fits John Deere 1020, 1030, 1040, 1130, 1140, 1350, 1520, 1530...
Ready to Ship
$0.99
Free shipping
VALVE INTAKE (.015") — Part #EAP-144898
VALVE INTAKE (.015")EAP-144898
Fits John Deere 2955, 310C, 3155, 315C, 3255, 400G, 444D, 448D...
Ready to Ship
$21.99
Free shipping
ALTERNATOR12V 95 AMP — Part #EAP-147884
ALTERNATOR12V 95 AMPEAP-147884
Fits John Deere 210C, 300D, 310C, 310D, 310E, 310G, 310SE, 310SG...
Ready to Ship
$174.99
Free shipping
W/MOTOROLA 1988-94
12V65ANMO/PR — Part #EAP-147961
12V65ANMO/PREAP-147961
Fits John Deere 210C, 210LE, 31, 3103, 3104, 3108, 3109, 310C...
Ready to Ship
$346.99
Free shipping
RETAINER DETENT BALL — Part #EAP-148131
RETAINER DETENT BALLEAP-148131
Fits John Deere 2010, 340D, 400G, 4030, 4040, 4050, 4055, 4230...
Ready to Ship
$10.99
Free shipping
STEERING CLUTCH — Part #EAP-148191
STEERING CLUTCHEAP-148191
Fits John Deere 350, 350B, 350C, 350D, 355D, 400G
Ready to Ship
$24.99
Free shipping
PULLEY WATER PUMP — Part #EAP-148285
PULLEY WATER PUMPEAP-148285
Fits John Deere 1020, 1520, 2020, 2030, 2040, 210C, 2510, 2520...
Ready to Ship
$124.99
Free shipping
Alternator, 10SI 24V 40A Alt — Part #EAP-206302
Alternator, 10SI 24V 40A AltEAP-206302
Fits John Deere 190E, 400G, 4276D, 4276T, 490E, 570B, 595D, 6329D...
Ready to Ship
$167.99
Free shipping
Bosch Starter, Reman Starter — Part #EAP-213136
Bosch Starter, Reman StarterEAP-213136
Fits John Deere 1020, 1030, 1032, 1040, 1042, 1052, 1055, 1065...
Ready to Ship
$353.99
Free shipping
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No Image
ALTERNATOR BOSCH 85 AMPEAP-100254
Fits John Deere 210C, 310C, 310D, 310E, 315C, 315D, 3430, 3830...
Ready to Ship
$149.99
Free shipping
[ ]
No Image
INJECTOR PENCILEAP-105538
Fits John Deere 1020, 1030, 1032, 1040, 1042, 1120, 1130, 1133...
Ready to Ship
$61.99
Free shipping
[ ]
No Image
B-SECTION ARAMID (BLUE)EAP-116949
Fits John Deere 210C, 310C, 310D, 310E, 315C, 315D, 3430, 3830...
Ready to Ship
$32.99
Free shipping
[ ]
No Image
BUSHING BALANCER SHAFTEAP-144471
Fits John Deere 1032, 1042, 1052, 1133, 1144, 1155, 1640, 1830...
Ready to Ship
$8.99
Free shipping
Injector Grommet Kit, John Deere MX504 — Part #EAP-198975
Injector Grommet Kit, John Deere MX504EAP-198975
Fits John Deere 1020, 1030, 1040, 1052, 1140, 1155, 120, 1350...
Call for Quote
Free shipping

Frequently Asked Questions — John Deere 400G Parts

What John Deere 400G parts does Eastman Ag Parts carry?▾

Eastman Ag Parts stocks 47+ quality replacement parts for the John Deere 400G across 8 categories, including Bearings, Clutch Parts, Cooling Systems, Engine Overhaul Kits. We carry parts for engine, drivetrain, hydraulic, electrical systems, and more.

How fast does Eastman Ag Parts ship John Deere 400G 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 400G parts within 2–5 business days. Orders over $299 under 25 lbs qualify for free shipping.

Are John Deere 400G parts OEM quality?▾

Yes. All John Deere 400G 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 400G Bearings parts?▾

Browse John Deere 400G Bearings parts at eastmanagparts.com/john-deere/400g?cat=bearings.

Where can I find John Deere 400G Clutch Parts parts?▾

Browse John Deere 400G Clutch Parts parts at eastmanagparts.com/john-deere/400g?cat=clutch-parts.

Where can I find John Deere 400G Cooling Systems parts?▾

Browse John Deere 400G Cooling Systems parts at eastmanagparts.com/john-deere/400g?cat=cooling-systems.

Where can I find John Deere 400G Engine Overhaul Kits parts?▾

Browse John Deere 400G Engine Overhaul Kits parts at eastmanagparts.com/john-deere/400g?cat=engine-overhaul-kits.