John Deere R4045 Parts & Accessories

Q: How do I find the right part for my R4045?

Search by John Deere part number or browse by category on this page. Every part shown is matched to the John Deere R4045 by its compatible-models data.

8,981 parts and accessories that fit the John Deere R4045 — Crop Care Unit Parts. Genuine OEM and quality aftermarket, from an authorized John Deere dealer. Ship nationwide or pick up locally.

Shop R4045 parts by category

← All categories Crop Care Unit Parts (525)

Calculation Aid, Liquid Insecticide

Part #AA69889

$883.25

John Deere

Bracket, Di Tank Support

Part #AKK10128

$371.92

John Deere

Support, Front Nose Cast With Decal

Part #AKK10242

$1,712.60

John Deere

Pipe Kit, Spray Line, 20" Hole Ss

Part #AKK10743

$175.22

John Deere

Pipe Kit, Spray Line, 20" Hole Ss

Part #AKK10872

$197.64

John Deere

Pipe Kit, Spray Line, 20" Hole Ss

Part #AKK10873

$215.27

John Deere

Arm, Outer Wing Fold Sensor

Part #AKK11049

$161.51

John Deere

Air Flow Tube, Aal Bundle Assy

Part #AKK11254

$81.09

John Deere

Bracket, Weldment, Di Hoop Hose Sup

Part #AKK11589

$321.64

John Deere

Pipe Kit, Ss Spray Pipe Weldment Cu

Part #AKK11594

$127.60

John Deere

Pipe Kit, Ss Spray Pipe Weldment Cu

Part #AKK11595

$174.51

John Deere

Pipe Kit, Ss Spray Pipe Weldment Cu

Part #AKK11596

$206.07

John Deere

Pipe Kit, Ss Spray Pipe Weldment Cu

Part #AKK11597

$257.06

John Deere

Pipe Kit, Ss Spray Pipe Weldment Cu

Part #AKK11598

$269.93

John Deere

Cable, Bw Swing Limiter

Part #AKK11824

$93.83

John Deere

Pipe Kit, Spray Line, 20" Hole Ss

Part #AKK12328

$328.76

John Deere

Extension, Valve Handle, Bypass

Part #AKK12455

$97.05

John Deere

Bracket, RH Plumbing Arm Support

Part #AKK12799

$106.89

John Deere

Bracket, LH Plumbing Arm Support

Part #AKK12800

$106.89

John Deere

Air Dryer

Part #AKK13767

$1,640.75

John Deere

Rear Tank Support

Part #AKK13989

$1,465.79

John Deere

Hopper, Eductor Weldment

Part #AKK14201

$2,523.28

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

Bracket, Front Boom Cradle

Part #AKK15639

$740.81

John Deere

Air Flow Tube, Aal Bundle Assy

Part #AKK15952

$121.75

John Deere

Mounting Parts, 1/2 Inch Ball Valve

Part #AKK17526

$68.76

John Deere

Adapter Fitting, 1/2 Inch Qc X Spr

Part #AKK17746

$45.57

John Deere

Pipe Kit, Spray Line, 20" Hole Ss

Part #AKK18077

$493.78

John Deere

Pipe Kit, 15" Ss Spray Pipe

Part #AKK18164

$352.40

John Deere

Arm, Fold Sensor

Part #AKK19173

$47.92

John Deere

Air Flow Tube, Load Command Supply

Part #AKK19195

$83.24

John Deere

Storage Box Shelf

Part #AKK19204

$307.77

John Deere

Pipe Kit, 15" Ss Spray Pipe

Part #AKK19695

$294.93

John Deere

Pipe Kit, 20" Ss Spray Pipe

Part #AKK19697

$220.45

John Deere

Pipe Kit, 15" Ss Spray Pipe

Part #AKK19800

$683.93

John Deere

Pipe Kit, 15" Ss Spray Pipe, Holes

Part #AKK19906

$683.93

John Deere

Clevis, T6-T7 Rope

Part #AKK20811

$317.11

John Deere

Bracket, Front Boom Cradle - Cf

Part #AKK20966

$730.11

John Deere

Rope, Retraction Line Outer Wing

Part #AKK21055

$123.25

John Deere

Bracket, Hose Support

Part #AKK21169

$44.92

John Deere

Link, Breakaway Feedback

Part #AKK21579

$272.04

John Deere

Link, Breakaway Fold With Bushings

Part #AKK22391

$377.88

John Deere

Link, Breakaway Fold With Bushings

Part #AKK22392

$392.90

John Deere

Arm, Fold Sensor

Part #AKK22452

$99.53

John Deere

Repair Kit, Inner and Outer Wing

Part #AKK22615

$3,999.73

John Deere

Repair Kit, OUTER2 and Breakaway Wi

Part #AKK22616

$2,407.51

John Deere

Rope, Breakaway Stop

Part #AKK22689

$215.04

John Deere

Actuator, Single-On/Off

Part #AKK23282

$636.89

John Deere

Isolator, Vision Camera

Part #AKK23311

$46.47

John Deere

Bracket, Transport Hook

Part #AKK23783

$122.43

John Deere

Pipe Kit, 15" Ss Spray Pipe

Part #AKK24740

$276.85

John Deere

Tank, Solution 1200 Gal Ss Wi

Part #AKK24858

$52,940.94

John Deere

Cover, Solution Tank Lid Assy - Sta

Part #AKK25759

$2,514.70

John Deere

Hose Guide

Part #AKK26759

$92.26

John Deere

Bracket, Air Bleed Support Weldment

Part #AKK26968

$450.45

John Deere

Agitator, Direct Injection Mixer Se

Part #AKK27092

$4,191.32

John Deere

Plunger Kit, Solenoid Valve

Part #AKK27643

$24.31

John Deere

Nozzle Holder, Std Flow 5 Outlet Tu

Part #AKK29701

$17.75

John Deere

Nozzle, Eductor Jug Rinse MY20

Part #AKK31194

$131.82

John Deere

Shop all 525 R4045 parts →

John Deere R4045 parts — frequently asked

How many parts fit the John Deere R4045?

Koenig Marketplace lists 8,981 parts and accessories that fit the John Deere R4045, including crop care unit parts.

Are these genuine John Deere parts for the R4045?

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 R4045.

How do I find the right part for my R4045?

Search by John Deere part number or browse by category above. Every part shown is matched to the John Deere R4045 by its compatible-models data.

Can I get R4045 parts shipped or pick them up locally?

Both. Koenig ships John Deere R4045 parts nationwide, and you can also pick up at one of Koenig's stores.

Parts for other John Deere models

John Deere 6130M John Deere 6140M John Deere 6620 John Deere 6110M John Deere S690 John Deere 1550 John Deere 8400 John Deere 8200 John Deere 670G John Deere 6120M John Deere W650 John Deere 9600