FREEZE PLUG HEATER; 1 5/8
Part #: A-5B633
John Deere 3420 Parts & Accessories
1,837 parts and accessories that fit the John Deere 3420 — Engine Parts. Genuine OEM and quality aftermarket, from an authorized John Deere dealer. Ship nationwide or pick up locally.
Shop 3420 parts by category
CAP; FUEL FILLER
Part #: A-AL113086
CAP, FUEL FILLER; LOCKABL
Part #: A-AL113087
RING SET, PISTON
Part #: A-DD11831
INSERT, EXHAUST VALVE
Part #: A-R106829
VALVE, EXHAUST STD
Part #: A-R90692
VALVE, IN. .015
Part #: A-R97490
VALVE, EX. .015
Part #: A-R97492
VALVE, IN. STD 300 SERIES
Part #: A-R98062
INSERT, IN. VALVE STD.
Part #: A-R98063
RING SET, PISTON
Part #: A-RE48818
CONNECTING ROD
Part #: A-RE500608
CRANKSHAFT
Part #: A-RE504638
WATER PUMP
Part #: A-RE505980
ROCKER ARM
Part #: A-RE508317
INSERT, WATER PUMP
Part #: A-RE508566
SED BOWL
Part #: A-RE51650
SHAFT, ROCKER ARM
Part #: A-RE519736
TURBOCHARGER
Part #: A-RE527252
INJECTOR; FUEL
Part #: A-RE531436
CRANKSHAFT WITH GEAR
Part #: A-RE53422
PUMP, FUEL TRANSFER
Part #: A-RE66153
CAP; FUEL FILLER
Part #: AL113086
$25.31
CAP, FUEL FILLER; LOCKABL
Part #: AL113087
$36.72
COOLANT HEATER
Part #: AL158224
$226.63
ROD, ROD ASSY.
Part #: AL78582
$26.04
FREEZE PLUG HEATER; 1 5/8
Part #: AR62492
CRANKSHAFT WITH GEAR
Part #: AR74624
POWER CORD, CORD ASSEMBLY
Part #: AR87079
$67.48
PISTON-LINER KIT, CYLINDER LINER W/
Part #: DZ110417
$253.22
VALVE SEAT INSERT, EXHAUST
Part #: R106829
$32.16
RECHANGE,SIEGE DE SOUPAPE D'ADMISSI
Part #: R106831
$23.27
PUSH ROD
Part #: R107731
$9.20
PULLEY, WATER PUMP
Part #: R121038
$86.66
COVER, FUEL INJECTION PUMP
Part #: R121411
$94.66
WATER PUMP CONNECTION, ELBOW
Part #: R121635
$30.73
PISTON PIN
Part #: R123177
$76.54
DIPSTICK TUBE, CRANKCASE
Part #: R500116
$18.61
WHEEL, CRANKSHAFT TIMING
Part #: R517471
$79.39
PACKING, LINER PACKING S350 PTP IT4
Part #: R527841
$7.16
EXHAUST VALVE
Part #: R90692
$27.13
VALVE,INTAKE,.015 OVERSIZE
Part #: R97490
$32.24
VALVE,EXHAUST,.015 OVERSIZE
Part #: R97492
$32.86
INTAKE VALVE
Part #: R98062
$21.87
CONNECTING ROD
Part #: RE500608
$494.97
FILLER NECK, OIL
Part #: RE501377
$72.09
SHAFT, ROCKER ARM
Part #: RE502874
HEATER, HEATER, FUEL HEATER, FUEL (
Part #: RE503524
$176.15
CRANKSHAFT, DYNAMICALLY BALANCED
Part #: RE504638
$3461.20
CRANKSHAFT, DYNAMICALLY BALANCED
Part #: RE506195
$1806.96
CAMSHAFT, CAMSHAFT WITH GEAR AND KE
Part #: RE507595
$612.44
FUEL LINE
Part #: RE507646
$85.87
FUEL LINE
Part #: RE507647
$84.99
FUEL LINE
Part #: RE507648
$84.99
FUEL LINE
Part #: RE507649
$84.99
PISTON RING KIT
Part #: RE507852
$43.97
ROCKER ARM, WITH ADJUSTING SCREW
Part #: RE508317
$44.89
INSERT
Part #: RE508566
$82.24
SEDIMENT BOWL, TRANSPARENT (WATER
Part #: RE51650
$88.73
ROCKER ARM SHAFT, 4CYL, ASSEMBLY
Part #: RE519736
$180.43
John Deere 3420 parts — frequently asked
How many parts fit the John Deere 3420?
Koenig Marketplace lists 1,837 parts and accessories that fit the John Deere 3420, including engine parts.
Are these genuine John Deere parts for the 3420?
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 3420.
How do I find the right part for my 3420?
Search by John Deere part number or browse by category above. Every part shown is matched to the John Deere 3420 by its compatible-models data.
Can I get 3420 parts shipped or pick them up locally?
Both. Koenig ships John Deere 3420 parts nationwide, and you can also pick up at one of Koenig's stores.
Parts for other John Deere models