John Deere 400R Parts & Accessories

Q: How do I find the right part for my 400R?

Search by John Deere part number or browse by category on this page. Every part shown is matched to the John Deere 400R by its compatible-models data.

5,720 parts and accessories that fit the John Deere 400R — Engine Parts. Genuine OEM and quality aftermarket, from an authorized John Deere dealer. Ship nationwide or pick up locally.

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← All categories Engine Parts (168)

Turbocharger Reman

Part #RM100384

$2,925.51

John Deere Reman

Oil Pan, Assy, 6.8L Engine W/ Dowel

Part #AKK39139

$5,705.70

John Deere

Turbocharger

Part #DZ127147

$3,588.13

John Deere

Fuel Tank, Assembly

Part #AKK41774

$2,074.21

John Deere

Turbocharger Reman

Part #RM100383

$2,911.10

John Deere Reman

Oil Pan, Assy, 9.0L Engine W/ Dowel

Part #AKK39142

$5,882.82

John Deere

Statically Balanced, Assembly

Part #RE549484

$724.00

John Deere

Push Rod, Brakes, 1750 Cab Sprayer

Part #R571277

$45.28

John Deere

Short Block Assembly

Part #DZ109871

$13,252.95

John Deere

Diesel Engine, 6090HN019 FT4 Sv Spr

Part #SZ10303

$44,927.69

John Deere

Diesel Engine, 6090HN024 FT4 Sv L40

Part #SZ10509

$52,325.00

John Deere

Diesel Engine, MY22 Sprayer R4030

Part #SZ10302

$36,773.68

John Deere

Fuel Hose, Fuel Supply L

Part #AKK53744

$57.27

John Deere

Air Flow Tube, Aal Bundle Assy

Part #AKK31836

$226.73

John Deere

Diesel Engine, 6090HN023 T3 Siiia S

Part #SZ10301

$42,036.23

John Deere

Sender, Fuel

Part #AKK12119

$467.04

John Deere

Line, Turbocharger Coolant Supply 6

Part #DZ113598

$62.60

John Deere

Flywheel, Statically Balanced Assem

Part #DZ101995

$1,430.93

John Deere

Nozzle Kit, Injector Service

Part #DZ110201

$1,081.63

John Deere

Plug and Seal

Part #R537123

$151.58

John Deere

Fuel Rail, High Pressure

Part #DZ111314

$1,052.27

John Deere

Turbocharger

Part #DZ120180

$3,722.42

John Deere

Fuel Cooler, Samsung

Part #RE241176

$202.10

John Deere

EGR Coolant Line

Part #DZ119141

$71.97

John Deere

Exhaust Manifold

Part #DZ119840

$575.73

John Deere

Short Block Assembly, W/ Tapered Sq

Part #DZ121191

$18,255.81

John Deere

Engine Overhaul Kit, IT4/FT4 6068

Part #DZ110001

$8,118.81

John Deere

Piston Ring Kit

Part #AT319115

$342.43

John Deere

Line, Turbocharger Coolant Return 6

Part #DZ113388

$207.84

John Deere

Nozzle, Spray

Part #AT183417

$49.09

John Deere

Dipstick, With Oil Filler Cap

Part #DZ116878

$82.47

John Deere

Connecting Rod

Part #DZ10167

$269.85

John Deere

Nozzle, Piston Spray Jet, Rear Thru

Part #DZ102270

$33.72

John Deere

Water Pump

Part #RE556137

$577.01

John Deere

Crankshaft, Dynamically Balanced

Part #RE564763

$3,690.09

John Deere

Cylinder Head, With Valves 6068 HW1

Part #RE587954

$4,180.55

John Deere

Nozzle Kit

Part #DZ100667

$761.10

John Deere

Piston-Liner Kit, Piston W/ Rings

Part #DZ107950

$671.46

John Deere

Line, Vent, EGR Cooler

Part #RE542626

$42.64

John Deere

Line, Venturi Coolant Return

Part #RE544336

$91.39

John Deere

Intake Valve, (S350 FT4)

Part #R538504

$55.66

John Deere

Valve Seat Insert, Exhaust Unfinish

Part #R546214

$21.00

John Deere

Actuator Kit, Turbocharger IT4 4045

Part #DZ114554

$1,022.82

John Deere

Line, Oil Coolant Return

Part #DZ102996

$179.82

John Deere

Power Cord, Coolant Heater, 1000W

Part #RE541565

$46.04

John Deere

Nozzle Kit, Injector Service

Part #DZ116152

$654.63

John Deere

Cover, Manifold

Part #DZ107942

$35.75

John Deere

Engine Overhaul Kit, W/ Tapered Squi

Part #DZ110430

$9,923.60

John Deere

Pipe, Turbine Interstage Bellows

Part #RE539141

$436.69

John Deere

Rod, Memory Tilt Lock

Part #R568709

$61.81

John Deere

Rail, Attenuation Spring/Roller Ra

Part #RE595390

$244.50

John Deere

Actuator, Electric W/ Gear Reductio

Part #RE594111

$3,966.32

John Deere

Plate, Fuel Sender Mounting

Part #R330922

$39.02

John Deere

Coolant Return

Part #RE554998

$72.34

John Deere

Exhaust Manifold

Part #R534259

$759.96

John Deere

Fuel Line, Common Rail to Nozzle

Part #DZ108958

$84.07

John Deere

Fuel Line, Common Rail to Nozzle

Part #DZ108959

$82.73

John Deere

Fuel Line, Common Rail to Nozzle

Part #DZ108963

$80.27

John Deere

Piston Ring Kit

Part #RE561623

$117.39

John Deere

Cover, Timing Gear

Part #DZ120326

$2,424.83

John Deere

Shop all 168 400R parts →

John Deere 400R parts — frequently asked

How many parts fit the John Deere 400R?

Koenig Marketplace lists 5,720 parts and accessories that fit the John Deere 400R, including engine parts.

Are these genuine John Deere parts for the 400R?

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 400R.

How do I find the right part for my 400R?

Search by John Deere part number or browse by category above. Every part shown is matched to the John Deere 400R by its compatible-models data.

Can I get 400R parts shipped or pick them up locally?

Both. Koenig ships John Deere 400R parts nationwide, and you can also pick up at one of Koenig's stores.

Parts for other John Deere models

John Deere S690 John Deere 8400 John Deere 8200 John Deere 9600 John Deere T670 John Deere W650 John Deere T660 John Deere 6130M John Deere T560 John Deere W660 John Deere 6140M John Deere 8300