John Deere R4038 Parts & Accessories

Q: How do I find the right part for my R4038?

Search by John Deere part number or browse by category on this page. Every part shown is matched to the John Deere R4038 by its compatible-models data.

9,003 parts and accessories that fit the John Deere R4038. Genuine OEM and quality aftermarket, from an authorized John Deere dealer. Ship nationwide or pick up locally.

Shop R4038 parts by category

Hardware (1,893)Sheet Metal & Body Parts (1,539)Electrical Parts (1,375)Hydraulic Parts (1,220)Seals, Gaskets & O-rings (699)Crop Care Unit Parts (472)Operator Station (323)Engine Auxiliaries (269)Engine Parts (158)Bearings & Bushings (150)Sensors (125)Lights & Accessories (125)

Connector, Stud Elbow, ORFS to Nptf

Part #38H1696

$18.55

John Deere

Control Valve, Wheel Motor

Part #AKK11136

$3,851.87

John Deere

Cover Assembly

Part #AKK14726

$1,602.23

John Deere

Planetary Assembly, Reduction Assem

Part #AKK14727

$2,578.09

John Deere

607 Gear Hub 26.6:1 W/Brake JD

Part #AKK17467

$6,553.73

John Deere

Hydraulic Motor, 80CC Rear Drive W/

Part #AN401953

$10,317.19

John Deere

Hydraulic Motor, 80CC Front Drive W

Part #AN401954

$9,939.60

John Deere

O-Ring, Usit 76.08X90.3X3.3

Part #KK20556

$130.10

John Deere

Sun Gear, 1:4.71 Z21 M3.0

Part #KK20559

$568.43

John Deere

LH Storage Box Bracket

Part #N404247

$26.93

John Deere

Bracket, Air Spring Mount

Part #N404343

$146.75

John Deere

Hose, Deaeration to Water Pump Dena

Part #N408303

$59.33

John Deere

Label, R4038 RH Hood

Part #N412460

$24.43

John Deere

Label, R4038 LH Hood

Part #N412461

$25.70

John Deere

Hydraulic Motor Reman

Part #RM100088

$7,107.72

John Deere Reman

Hydraulic Motor Reman

Part #RM100089

$7,372.03

John Deere Reman

Gasket, Lifetime

Part #AKK13702

$927.75

John Deere

Cover Assembly

Part #AKK17987

$1,408.19

John Deere

Tank, Solution 1000 Gal With Fitti

Part #AKK20561

$38,167.11

John Deere

Latch, Storage Box Striker

Part #AN400386

$78.52

John Deere

Sensor Wiring Harness, Boomtrac Pro

Part #BKK11653

$3,121.80

John Deere

Plate, Plumbing Support

Part #KK17165

$28.18

John Deere

O-Ring, 253.59 X 3.53 Hnbr

Part #KK20560

$120.79

John Deere

Wiring Harness, Atd Temp

Part #AKK11078

$1,339.70

John Deere

Air Flow Tube, Aal Bundle Assy

Part #AKK11253

$61.46

John Deere

Hose Support, LH Tread Support Loop

Part #AKK12529

$269.11

John Deere

Hose Support, RH Tread Support Loop

Part #AKK12530

$226.79

John Deere

Wiring Harness, Chassis, FT4

Part #AKK12591

$8,036.85

John Deere

Sensor Wiring Harness, Sensors 1000

Part #AKK14473

$2,229.58

John Deere

Wiring Harness, Solution System 800

Part #AKK17682

$4,010.15

John Deere

Arm, Wheel Angle Sensor

Part #AKK18186

$393.00

John Deere

Alternator

Part #AKK20374

$1,008.22

John Deere

Hydraulic Motor, H1B 080 Rear, No L

Part #AKK24323

$6,230.28

John Deere

Wiring Harness, Solution System 800

Part #AKK33092

$3,549.62

John Deere

Hydraulic Hose, Wheel Motor Case Dr

Part #AKK34346

$183.46

John Deere

Hydr./Pilot Control Valve, T

Part #AN403481

$2,053.94

John Deere

Bracket, Ether Can and Harness

Part #KK15997

$62.77

John Deere

Bracket, RH Steer Hose Support Larg

Part #KK16021

$87.79

John Deere

Bracket, LH Steer Hose Support Larg

Part #KK16022

$83.82

John Deere

Bracket, RH Side Shield Mount

Part #KK17209

$80.38

John Deere

Shield, Engine Fan

Part #KK19117

$83.39

John Deere

Shield, Lower Fan LH

Part #KK19181

$30.70

John Deere

Shield, Lower Fan RH

Part #KK19182

$57.23

John Deere

Hose, Heater Supply 9L Stage II

Part #KK19573

$53.57

John Deere

Bushing, Eductor Latch Anchor

Part #KK21427

$34.39

John Deere

Guard, LH Fan Upper

Part #KK23203

$281.98

John Deere

Bracket, Sight Gauge Brack

Part #KK30946

$486.42

John Deere

Bracket, Alternator Cable

Part #KK61881

$103.11

John Deere

Anchor, Steering - RH

Part #N402026

$1,048.64

John Deere

Anchor, Steering LH

Part #N402027

$1,078.20

John Deere

Strap, Manual Tread Adjust - Class

Part #N403037

$153.45

John Deere

Bracket, Chassis Harn

Part #N405971

$25.43

John Deere

Hose, Heater Return Denali

Part #N408304

$50.01

John Deere

Shield, RH Fan Guard

Part #N409003

$109.71

John Deere

Guard, Fan

Part #N409004

$221.70

John Deere

Hose, Heater Return Denali S2

Part #N411636

$39.22

John Deere

Bracket, Mobile Weather Cab Control

Part #PFP13509

$201.25

John Deere

Screw, Hex Socket Head

Part #19H4042

$2.11

John Deere

Suction Hose, Assy, 9L Air Intake

Part #AKK11265

$179.58

John Deere

Support, 9.0 L Engine Size 6 Atd

Part #AKK14984

$1,758.83

John Deere

Shop all 9,003 R4038 parts →

John Deere R4038 parts — frequently asked

How many parts fit the John Deere R4038?

Koenig Marketplace lists 9,003 parts and accessories that fit the John Deere R4038, including hardware, sheet metal & body parts, electrical parts, hydraulic parts.

Are these genuine John Deere parts for the R4038?

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 R4038.

How do I find the right part for my R4038?

Search by John Deere part number or browse by category above. Every part shown is matched to the John Deere R4038 by its compatible-models data.

Can I get R4038 parts shipped or pick them up locally?

Both. Koenig ships John Deere R4038 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