THERMOSTAT
Part #: A-RE554015
John Deere 643L-II Parts & Accessories
2,515 parts and accessories that fit the John Deere 643L-II — Engine Auxiliaries. Genuine OEM and quality aftermarket, from an authorized John Deere dealer. Ship nationwide or pick up locally.
Shop 643L-II parts by category
BAND, MOUNTING
Part #: AT209152
$235.00
FUEL CAP
Part #: AT323593
$57.65
EXHAUST STACK PLENUM
Part #: AT404378
$600.28
FAN SHROUD ASSEMBLY
Part #: AT405619
$619.92
FAN, 36 INCH
Part #: AT406473
$808.02
TANK, DEF TANK ASSEMBLY
Part #: AT408727
$840.25
CHARGE AIR COOLER
Part #: AT409192
$2727.56
HOSE FUEL RETURN
Part #: AT410549
$169.21
WATER TANK WELDMENT
Part #: AT411267
$2061.27
BREATHER
Part #: AT421408
$85.08
ISOLATOR
Part #: AT421758
$108.94
MUFFLER, 6.8L
Part #: AT423382
$1218.55
MUFFLER, 6.8L, TIER 3
Part #: AT423383
$842.93
HINGE WELDMENT
Part #: AT441571
$433.86
HINGE WELDMENT
Part #: AT441572
$147.57
BRACKET, DOOR RAMP WELDMENT
Part #: AT443355
$90.68
CONVERTER, SCR, SIZE 5 (RI/RO)
Part #: DZ100984
$12567.62
DIESEL OXIDATION CATALYST
Part #: DZ101420
$5822.81
EXHAUST PIPE
Part #: DZ101634
$1661.45
DEF LINE, BACKFLOW, 2000MM, STR/90,
Part #: DZ103018
$282.48
CAP, HYDRAULIC CYLINDER
Part #: DZ104853
$121.12
CAP, ALIGNMENT CAP
Part #: DZ104854
$81.12
CONTROL VALVE, SUCTION CONTROL
Part #: DZ111135
$278.93
PLATE, FRONT, AUX DRIVE TIER-4 1.2X
Part #: DZ113167
$247.92
DEF LINE, SUCTION, 370MM 90/90 24V
Part #: DZ113742
$355.75
DEF LINE, SUCTION JUMPER, 2480MM, 9
Part #: DZ114181
$458.58
DEF TANK HEADER ASSEMBLY, DEF TANK
Part #: DZ119455
$1824.63
EXHAUST GAS RECYCLING VALVE
Part #: DZ122447
$1194.87
DEF CAP & ADAPTER ASSEMBLY, NON-LOC
Part #: DZ122993
$183.36
HOUSING, THERMOSTAT INLET
Part #: DZ126043
$425.13
THERMOSTAT, THERMOSTAT
Part #: DZ127927
$45.37
DEF DOSING UNIT PUMP, DEF SM 2.2 EV
Part #: DZ128068
$1190.84
DEF TANK HEADER ASSEMBLY, GEN3, 400
Part #: DZ128844
$1643.55
DEF TANK HEADER ASSEMBLY, GEN3, 525
Part #: DZ128845
$1181.43
COMBUSTION AIR BLOWER
Part #: F076844
$946.03
BURNER
Part #: F076846
$751.45
BREATHER, 7/16 PSI
Part #: F68203
$20.98
COVER, FUEL PUMP OPENING
Part #: R123396
$21.89
VENT, ROLLOVER
Part #: R237815
$38.13
SLEEVE, EXHAUST LINER
Part #: R502512
$14.19
STRAP, CLAMP, ROCKER ARM
Part #: R516140
$34.21
HEAT SHIELD, 6 CYL
Part #: R516174
$66.00
BRACKET, FUEL FILTER
Part #: R516437
$105.38
EXHAUST MANIFOLD
Part #: R520173
$1178.79
AIR FLOW TUBE, TUBE, AIR INTAKE DIA
Part #: R521060
$60.03
HOSE CLAMP, CONSTANT TENSION
Part #: R524513
$10.35
DAMPER
Part #: R525528
$60.92
AIR INTAKE, AIR INLET
Part #: R528345
$117.49
SLEEVE, IDLER PULLEY
Part #: R529790
$15.67
MANIFOLD,DELTA P SENSOR
Part #: R531598
$207.72
AIR INTAKE
Part #: R532018
$89.26
HEAT SHIELD, AIR THROTTLE VALVE
Part #: R532095
$20.34
HEAT SHIELD, HP6 PUMP PCV CONNECTOR
Part #: R540377
$32.25
HEAT SHIELD, GLOW PLUG HARNESS
Part #: R550889
$10.81
GROMMET
Part #: R560528
$5.36
SUCTION HOSE
Part #: R98495
$91.28
IDLER, IDLER, PULLEY ASSEMBLY
Part #: RE505264
$90.36
PULLEY WITH DAMPENER, CRANKSHAFT
Part #: RE505940
$1011.15
STARTER MOTOR KIT
Part #: RE506103
$1449.24
John Deere 643L-II parts — frequently asked
How many parts fit the John Deere 643L-II?
Koenig Marketplace lists 2,515 parts and accessories that fit the John Deere 643L-II, including engine auxiliaries.
Are these genuine John Deere parts for the 643L-II?
Yes — Koenig is an authorized John Deere dealer, so you'll find genuine OEM John Deere parts alongside quality aftermarket options that fit the John Deere 643L-II.
How do I find the right part for my 643L-II?
Search by John Deere part number or browse by category above. Every part shown is matched to the John Deere 643L-II by its compatible-models data.
Can I get 643L-II parts shipped or pick them up locally?
Both. Koenig ships John Deere 643L-II parts nationwide, and you can also pick up at one of Koenig's stores.
Parts for other John Deere models