John Deere 644A Parts
12 categories · 48 total parts
Keep your John Deere 644A running with quality replacement parts from Eastman Ag Parts. We stock 48+ parts across 12 categories — from Cab Parts, Cooling Systems, Engine Overhaul Kits, Engine Parts — all sourced to OEM specifications. Same-day shipping before 2 PM ET from Eastman, GA.
John Deere644A
SEALED BEAMEAP-101838
Fits John Deere 1010, 1020, 1120, 1130, 1520, 1530, 1630, 1640...
Ready to Ship
$11.99
Ships to your addressFree shipping
STARTER RELAYEAP-104557
Fits John Deere 3020, 3430, 3830, 400, 4000, 4020, 4030, 4230...
Ready to Ship
$34.99
Ships to your addressFree shipping
ALL ENG. S/N 280001
CAMSHAFTEAP-104697
Fits John Deere 4000, 4020, 4040, 4050, 4240, 4240S, 4250, 4320...
Ready to Ship
$405.99
Ships to your addressFree shipping
SEAL KIT WATER PUMPEAP-104716
Fits John Deere 1020, 1520, 1530, 190E, 2020, 2030, 210C, 24...
Ready to Ship
$10.99
Ships to your addressFree shipping
SEALED BEAMEAP-104778
Fits John Deere 1040, 1140, 2010, 2040, 2150, 2155, 2240, 2255...
Ready to Ship
$14.99
Ships to your addressFree shipping
BRAKE PAD (3/BAG) FIBEREAP-104849
Fits John Deere 2510, 2520, 3010, 3020, 4000, 4020, 4030, 4040...
Ready to Ship
$19.99
Ships to your addressFree shipping
BRAKE PAD (3/BAG)EAP-104850
Fits John Deere 4000, 4010, 4020, 4040, 4050, 4230, 4240, 4250...
Ready to Ship
$21.99
Ships to your addressFree shipping
ENG. SN <280000
LINE FUEL FILTER TO INJ.EAP-104870
Fits John Deere 4000, 4020, 600, 644A
Ready to Ship
$44.99
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
FUEL FILTEREAP-105071
Fits John Deere 1020, 1030, 1032, 1040, 1042, 1052, 1055, 1065...
Ready to Ship
$19.99
Ships to your addressFree shipping
INJECTOREAP-105116
Fits John Deere 4320, 4430, 4520, 4620, 5200, 5400, 6404, 644A...
Ready to Ship
$113.99
Ships to your addressFree shipping
HYDRAULIC PUMPEAP-105175
Fits John Deere 2130, 300, 300B, 302A, 3030, 310, 310A, 3130, 400...
Ready to Ship
$1328.99
Ships to your addressFree shipping
TURBOCHARGEREAP-105348
Fits John Deere 4320, 4430, 4520, 4620, 644, 644A, 646, 646B, 690...
Ready to Ship
$661.99
Ships to your addressFree shipping
SN <335845
BEARING MAIN .030"EAP-105407
Fits John Deere 2056, 2058, 2064, 2066, 3020, 4000, 4010, 4020...
Ready to Ship
$14.99
Ships to your addressFree shipping
S/N <164553
THERMOSTAT 195 DEGREEEAP-105428
Fits John Deere 3130, 4030, 4520, 540, 540A, 544, 544A, 570, 570A, 644, 644A
Ready to Ship
$64.99
Ships to your addressFree shipping
GAUGE TEMPERATUREEAP-105723
Fits John Deere 340D, 350, 350B, 350C, 350D, 355D, 380, 410B...
Ready to Ship
$138.99
Ships to your addressFree shipping
TRANSMISSION COOLER SN <165808
COOLER OILEAP-105946
Fits John Deere 4050, 4250, 444, 4440, 4450, 4630, 4640, 4650...
Ready to Ship
$226.99
Ships to your addressFree shipping
ISOLATER (RUBBER)EAP-105983
Fits John Deere 444, 444C, 444CH, 444D, 544, 544A, 544B, 544C...
Ready to Ship
$65.99
Ships to your addressFree shipping
ALL SN <323694
BEARING WATER PUMP SHAFTEAP-132199
Fits John Deere 1020, 1520, 2020, 2030, 2440, 2510, 2520, 2630...
Ready to Ship
$32.99
Ships to your addressFree shipping
SOLENOIDEAP-141448
Fits John Deere 3020, 340D, 344E, 4000, 4020, 4030, 4040, 4050...
Ready to Ship
$62.99
Ships to your addressFree shipping
PUMP FUEL LIFT (TRANSFEREAP-141834
Fits John Deere 1020, 1030, 1130, 1520, 1530, 1630, 1640, 190E...
Ready to Ship
$63.99
Ships to your addressFree shipping
HYD. PUMP OVERHAUL KITEAP-141857
Fits John Deere 1830, 2030, 2130, 2155, 2350, 2355, 2520, 2550...
Ready to Ship
$79.99
Ships to your addressFree shipping
CRANKSHAFT W/GEAREAP-142472
Fits John Deere 4000, 4010, 4020, 4040, 4050, 4055, 4230, 4240...
Ready to Ship
$2493.99
Freight requiredFreight only
ALL SN <335845
MAJOR OVERHAUL KITEAP-142912
Fits John Deere 4320, 4430, 4520, 4620, 4630, 5440, 6, 6.404T/A...
Ready to Ship
$2107.99
Ships to your addressFree shipping
BRAKE PADS METALLICEAP-143253
Fits John Deere 4000, 4010, 4020, 4040, 4050, 4230, 4240, 4250...
Ready to Ship
$17.99
Ships to your addressFree shipping
BRAKE PADS METALLICEAP-143256
Fits John Deere 2510, 2520, 3010, 3020, 4000, 4020, 4030, 4040...
Ready to Ship
$17.99
Ships to your addressFree shipping
SOLENOID SWITCHEAP-143273
Fits John Deere 3020, 4000, 4020, 4030, 4230, 4320, 4430, 4520...
Ready to Ship
$45.99
Ships to your addressFree shipping
792DLC
PLUG OIL PAN DRAINEAP-143706
Fits John Deere 3020, 4000, 4010, 4020, 4040, 4050, 4230, 4240...
Ready to Ship
$21.99
Ships to your addressFree shipping
FILTER ELEMENTEAP-143745
Fits John Deere 1830, 2030, 2130, 2350, 2440, 2520, 2550, 2630...
Ready to Ship
$7.99
Ships to your addressFree shipping
SEAL REAR AXLE SHAFTEAP-143845
Fits John Deere 4020, 4040, 4050, 4230, 4240, 4320, 4430, 600, 644A, 7520
Ready to Ship
$13.99
Ships to your addressFree shipping
DRIVE PINEAP-143894
Fits John Deere 1020, 1030, 1030OU, 1035, 1035EF, 1120, 1130...
Ready to Ship
$7.99
Ships to your addressFree shipping
COUPLEREAP-143895
Fits John Deere 1830, 2030, 2030OU, 2130, 2840, 300B, 3010, 302...
Ready to Ship
$17.99
Ships to your addressFree shipping
STEERING VALVE
O-RING (25 / PACK)EAP-143901
Fits John Deere 2510, 2520, 3010, 3020, 4000, 4010, 4020, 4030...
Ready to Ship
$1.99
Ships to your addressFree shipping
BOOT FUEL LINE TO INJ.EAP-143903
Fits John Deere 3020, 4000, 4020, 4230, 4520, 500, 500A, 500B...
Ready to Ship
$15.99
Ships to your addressFree shipping
CLAMP FUEL LINE BOOTEAP-143904
Fits John Deere 1020, 1030, 1040V, 1120, 1130, 1140V, 1530, 1630...
Ready to Ship
$1.99
Ships to your addressFree shipping
GASKET WATER PUMPEAP-144018
Fits John Deere 4320, 4520, 4620, 5200, 5400, 644, 644A, 646...
Ready to Ship
$5.99
Ships to your addressFree shipping
ADAPTER TURBO TO ELBOWEAP-144034
Fits John Deere 4040, 4040S, 4050, 4240, 4240S, 4250, 4320, 4430...
Ready to Ship
$49.99
Ships to your addressFree shipping
ADAPTER KIT TURBO/ELBOWEAP-144035
Fits John Deere 4040, 4040S, 4050, 4240, 4240S, 4250, 4320, 4430...
Ready to Ship
$99.99
Ships to your addressFree shipping
ALL S/N 245547>
VALVE INTAKE (STD)EAP-144040
Fits John Deere 4320, 4430, 4520, 4620, 4630, 5200, 5400, 644...
Ready to Ship
$15.99
Ships to your addressFree shipping
STUD; 3/8" X 1-1/2"EAP-144414
Fits John Deere 4050, 4240, 4250, 4320, 4430, 4440, 4450, 4520...
Ready to Ship
$8.99
Ships to your addressFree shipping
ALL 49-CM3
SPRING HYD. PUMP PISTONEAP-144550
Fits John Deere 100-CM3, 2440, 300, 300B, 302A, 310, 310A, 340D...
Ready to Ship
$3.99
Ships to your addressFree shipping
CAPSCREW CONN ROD 3"EAP-144616
Fits John Deere 1177, 1188, 1270D, 1470D-Wheeled, 3010, 3020...
Ready to Ship
$4.99
Ships to your addressFree shipping
SHAFT STEERINGEAP-144687
Fits John Deere 2510, 2520, 3020, 4020, 440C, 444, 4520, 500A...
Ready to Ship
$179.99
Ships to your addressFree shipping
BRAKE DISC 15TEAP-144720
Fits John Deere 4000, 4020, 4230, 4320, 4430, 570, 570A, 644...
Ready to Ship
$151.99
Ships to your addressFree shipping
GLASS FRONTEAP-148371
Fits John Deere 444, 544, 544A, 544B, 644, 644A, 644B, 646, 646B
Ready to Ship
$241.99
Freight requiredFreight only
GLASS (LH/RH) DOOREAP-148372
Fits John Deere 444, 544, 544A, 544B, 644, 644A, 644B, 646, 646B
Ready to Ship
$152.99
Ships to your addressFree shipping
KIT VALVE & SLEEVE; HYD.EAP-151819
Fits John Deere 1830, 2030, 2130, 2350, 2440, 2510, 2520, 2550...
Ready to Ship
$25.99
Ships to your addressFree shipping
BOWL PRE-CLEANER 10.5"EAP-156847
Fits John Deere 2650, 2650N, 2750, 2850, 3050, 310C, 310D, 3150...
Ready to Ship
$13.99
Ships to your addressFree shipping
Frequently Asked Questions — John Deere 644A Parts
What John Deere 644A parts does Eastman Ag Parts carry?▾
Eastman Ag Parts stocks 48+ quality replacement parts for the John Deere 644A across 12 categories, including Cab Parts, Cooling Systems, Engine Overhaul Kits, Engine Parts. We carry parts for engine, drivetrain, hydraulic, electrical systems, and more.
How fast does Eastman Ag Parts ship John Deere 644A 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 644A parts within 2–5 business days. Orders over $299 under 25 lbs qualify for free shipping.
Are John Deere 644A parts OEM quality?▾
Yes. All John Deere 644A 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 644A Cab Parts parts?▾
Browse John Deere 644A Cab Parts parts at eastmanagparts.com/john-deere/644a?cat=cab-parts.
Where can I find John Deere 644A Cooling Systems parts?▾
Browse John Deere 644A Cooling Systems parts at eastmanagparts.com/john-deere/644a?cat=cooling-systems.
Where can I find John Deere 644A Engine Overhaul Kits parts?▾
Browse John Deere 644A Engine Overhaul Kits parts at eastmanagparts.com/john-deere/644a?cat=engine-overhaul-kits.
Where can I find John Deere 644A Engine Parts parts?▾
Browse John Deere 644A Engine Parts parts at eastmanagparts.com/john-deere/644a?cat=engine-parts.