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 — Crop Care Unit Parts. Genuine OEM and quality aftermarket, from an authorized John Deere dealer. Ship nationwide or pick up locally.

Shop R4038 parts by category

← All categories Crop Care Unit Parts (472)

Tank, Solution 1000 Gal With Fitti

Part #AKK20561

$38,167.11

John Deere

Air Flow Tube, Aal Bundle Assy

Part #AKK11253

$61.46

John Deere

Arm, Wheel Angle Sensor

Part #AKK18186

$393.00

John Deere

Air Flow Tube, Aal Bundle Assy

Part #AKK15745

$104.49

John Deere

Arm, Outer Wing Fold Sensor

Part #AKK11049

$161.51

John Deere

Air Flow Tube, Aal Bundle Assy

Part #AN403887

$249.04

John Deere

Shield, Wheel - Class 2/3

Part #BKK10182

$7,825.40

John Deere

Pump Kit, Direct Injection - 100 G

Part #BKK11348

$18,192.49

John Deere

Bracket, Boom Tilt, Left

Part #KK11428

$108.00

John Deere

Bracket, Boom Tilt, Right

Part #KK11430

$84.58

John Deere

Bracket, Fence Row Bulkhead

Part #KK16984

$36.79

John Deere

Bracket, Fence Row Bulkhead

Part #KK16985

$35.66

John Deere

Hanger, Support Assy., Tank, R.H.

Part #AN153498

$2,178.85

John Deere

Nozzle Kit, Fence Row, R4023

Part #BKK11515

$2,964.50

John Deere

Pad, Breakaway Support, LH

Part #KK16269

$153.28

John Deere

Bracket, Breakaway End Support

Part #KK16528

$115.98

John Deere

Sprayer Boom, 36M Steel Outer

Part #AKK32810

$6,849.17

John Deere

Tank, Rinse 170 Gal With Fittings

Part #AKK34749

$3,638.89

John Deere

Mounting Bracket Kit

Part #AN400944

$130.04

John Deere

Sight Gauge Bracket

Part #KK30947

$349.26

John Deere

Tank, Direct Injection - 35 G

Part #BKK10302

$12,520.20

John Deere

Pump Kit, Direct Injection - 100 G

Part #BKK11562

$20,853.80

John Deere

Pump Kit, Direct Injection - 200 G

Part #BKK11563

$23,169.30

John Deere

Bracket, Boom Valve Hose Support

Part #KK26778

$130.42

John Deere

Bracket, Di Mixer Hose Support

Part #KK61882

$377.21

John Deere

Impeller, High Flow Pump

Part #N305812

$1,223.37

John Deere

Pipe Kit, Spray Line, 20" Hole Ss

Part #AKK15325

$204.28

John Deere

Pipe Kit, Spray Line, 20" Hole Ss

Part #AKK15326

$159.76

John Deere

Rope, Retraction Line Outer Wing

Part #AKK21055

$123.25

John Deere

Agitator, Direct Injection Mixer Se

Part #AKK27092

$4,191.32

John Deere

Sprayer Boom, 30M Steel Outer

Part #AKK32811

$5,832.53

John Deere

Sprayer Boom, 27M Steel Outer

Part #AKK32813

$4,974.26

John Deere

Sprayer Boom, 27M Steel Outer

Part #AKK32814

$4,979.02

John Deere

Clean Water Tank

Part #AN404999

$426.28

John Deere

Pipe Kit, 15" Ss Spray Pipe, Holes

Part #AN406294

$163.91

John Deere

Pipe Kit, 15" Ss Spray Pipe, Holes

Part #AN406295

$188.43

John Deere

Nozzle Kit, 90' X 20" Steel Boom Ex

Part #AON10233

$44,829.00

John Deere

Nozzle Kit, 90' X 15" Steel Boom Ex

Part #AON10234

$55,288.00

John Deere

Nozzle Kit, 100' X 20" Steel Boom E

Part #AON10235

$46,761.00

John Deere

Nozzle Kit, 100' X 15" Steel Boom E

Part #AON10236

$59,366.00

John Deere

Nozzle Kit, 120' X 20" Steel Boom E

Part #AON10237

$54,841.00

John Deere

Nozzle Kit, 120' X 15" Steel Boom E

Part #AON10238

$67,874.00

John Deere

Sprayer Nozzle Kit

Part #BKK10805

$5,225.00

John Deere

Sprayer Nozzle Kit

Part #BKK10806

$5,225.00

John Deere

Sprayer Nozzle Kit

Part #BKK11386

$2,210.00

John Deere

Sprayer Nozzle Kit, Boom Plumbing K

Part #BKK11387

$7,004.00

John Deere

Sprayer Nozzle Kit, Boom Plumbing K

Part #BKK11395

$17,262.00

John Deere

Pipe, Poly Tube, Custom Plumbing

Part #KK13924

$36.54

John Deere

Pipe, Poly Tube, Custom Plumbing

Part #KK13925

$42.43

John Deere

Pipe, Poly Tube, Custom Plumbing

Part #KK13926

$76.66

John Deere

Pipe, Poly Tube, Custom Plumbing

Part #KK13927

$86.82

John Deere

Pipe, Poly Tube, Custom Plumbing

Part #KK13928

$119.73

John Deere

Pipe, Poly Tube, Custom Plumbing

Part #KK13931

$34.24

John Deere

Bracket, Load Command Belly Shield

Part #KK14740

$66.32

John Deere

Bracket, Load Command Belly Shield

Part #KK14742

$38.30

John Deere

Bracket, Spray Pipe Mounting

Part #KK15874

$129.26

John Deere

Pipe, Poly Tube, Custom Plumbing

Part #KK16936

$45.12

John Deere

Bracket, Outer Wing Fold Stop, LH

Part #KK19012

$95.30

John Deere

Bracket, Outer Wing Fold Stop, RH

Part #KK19013

$162.87

John Deere

RH Front Boom Support Cast

Part #KK28307

$2,705.89

John Deere

Shop all 472 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 crop care unit 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