John Deere 4045HFK04 Parts & Accessories

Q: How do I find the right part for my 4045HFK04?

Search by John Deere part number or browse by category on this page. Every part shown is matched to the John Deere 4045HFK04 by its compatible-models data.

880 parts and accessories that fit the John Deere 4045HFK04 — Engine Auxiliaries. Genuine OEM and quality aftermarket, from an authorized John Deere dealer. Ship nationwide or pick up locally.

Shop 4045HFK04 parts by category

← All categories Engine Auxiliaries (82)

Size 2 Atd Strap

Part #DZ100478

$81.89

John Deere

Diesel Oxidation Catalyst, Doc-Inle

Part #RE568885

$5,449.00

John Deere

Exhaust Pipe, Atd

Part #RE567964

$717.76

John Deere

Converter, FT4 Size 2 Eiao Scr

Part #DZ102316

$5,491.80

John Deere

DEF Line, Suction Line

Part #RE561940

$321.51

John Deere

DEF Line, Backflow Line

Part #RE561941

$247.13

John Deere

DEF Line, Pressure Line

Part #RE561035

$371.45

John Deere

Tube, Straight OEM, 3"

Part #RE570713

$1,607.81

John Deere

Temp & Nox Atd Bracket

Part #RE567788

$148.53

John Deere

DEF Line, Suction Line 1450MM, Stra

Part #RE560902

$347.45

John Deere

Exhaust Pipe, FT4 Size 2 Non-Dpf Ao

Part #RE568700

$1,375.34

John Deere

Air Intake, Manifold As

Part #DZ10423

$535.45

John Deere

Bracket, Fuel Filter, Lhs

Part #DZ114606

$63.84

John Deere

Fuel Line, Constant Air Bleed Line

Part #RE551526

$55.52

John Deere

DEF Tank Header Assembly, DEF Heade

Part #DZ111189

$1,762.61

John Deere

Fuel Line, Supply, Injection Pump

Part #DZ121283

$53.24

John Deere

Starter Motor Kit, 12V, RH2, Denso

Part #RE546860

$664.43

John Deere

Starter Motor Reman

Part #RM100311

$469.61

John Deere Reman

DEF Tank Header Assembly, GEN3

Part #DZ118292

$1,424.81

John Deere

DEF Line, Backflow Line 1450MM, Str

Part #RE560900

$274.60

John Deere

Air Intake, Assembly- A

Part #DZ10312

$247.72

John Deere

DEF Tank

Part #DZ110173

$1,026.06

John Deere

Bracket, Exhaust Throttle Valve

Part #R536556

$129.16

John Deere

DEF Tank Header Assembly, GEN3

Part #DZ128850

$1,456.67

John Deere

Kit, Arbre D'equilibrage G.Hea.Duty

Part #RE502446

$516.39

John Deere

Kit, Arbre D'equilibrage D.Hea.Duty

Part #RE502447

$402.03

John Deere

Bracket, RH Rear Casting Assembly

Part #RE545357

$167.68

John Deere

DEF Line, Suction Line 1000MM, Stra

Part #RE560893

$187.97

John Deere

Fan Drive, Assembly

Part #RE539881

$283.61

John Deere

Bracket, LH Mount Casting

Part #R531892

$106.51

John Deere

Alternator, 12V

Part #A-RE537508

$370.93

A&I Products

120 Amp 12V Alternator

Part #RE537508

$660.32

John Deere

Alternator, Reman

Part #SE502561

$466.79

John Deere Reman

Manifold, EGR Intake, 4045 IT4 Wg

Part #R534273

$75.79

John Deere

Exhaust Manifold, 4045 IT4 Waste Ga

Part #R534481

$273.84

John Deere

DEF Line, Backflow Line 1000MM, Str

Part #RE560877

$190.07

John Deere

Line, Coolant Outlet

Part #RE556784

$136.13

John Deere

Heat Exchanger 4045

Part #RE545151

$1,682.04

John Deere

Module Reman, DEF Tank Header Assem

Part #RM100346

$1,195.34

John Deere Reman

Fuel Line, Rail Leak Off

Part #RE568357

$43.39

John Deere

Line

Part #DZ107291

$35.27

John Deere

Housing, Thermostat, 4045 FT4-Oem

Part #DZ113696

$720.00

John Deere

Tube, Water Pump Bypass 4045 IT4

Part #R531468

$46.40

John Deere

Tube, Bypass Thermostat Housing 404

Part #R537052

$51.89

John Deere

Heat Shield, EGR Valve

Part #R545186

$29.98

John Deere

Exhaust Gas Recycling Valve

Part #RE544318

$939.87

John Deere

Bracket, EGR Cooler S350 4045 IT4 &

Part #DZ100942

$339.94

John Deere

Venturi, Welded Assembly

Part #RE545395

$211.92

John Deere

Bracket, Exhaust Pressure Sensor Su

Part #RE551093

$55.75

John Deere

Line

Part #DZ107292

$58.54

John Deere

Filler Cap, Assembly, DEF

Part #AT410862

$87.19

John Deere

Tube, Bellows Cold EGR

Part #RE548257

$161.77

John Deere

Tube

Part #RE548258

$206.28

John Deere

Filler Neck, DEF Cap and Fill Adapt

Part #AT408369

$168.98

John Deere

Pressure Relief Fitting, Common Rai

Part #RE561997

$420.27

John Deere

Pad, EGR Cooler Clamp

Part #R531278

$11.11

John Deere

Pump, DEF Dosing

Part #A-DDP100

$668.04

A&I Products

Housing, Oil Cooler

Part #R504283

$152.91

John Deere

Control Valve, Suction HP3 Fuel Pum

Part #DZ111140

$593.48

John Deere

DEF Cap & Adapter Assembly, Locking

Part #DZ122992

$202.09

John Deere

Shop all 82 4045HFK04 parts →

John Deere 4045HFK04 parts — frequently asked

How many parts fit the John Deere 4045HFK04?

Koenig Marketplace lists 880 parts and accessories that fit the John Deere 4045HFK04, including engine auxiliaries.

Are these genuine John Deere parts for the 4045HFK04?

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 4045HFK04.

How do I find the right part for my 4045HFK04?

Search by John Deere part number or browse by category above. Every part shown is matched to the John Deere 4045HFK04 by its compatible-models data.

Can I get 4045HFK04 parts shipped or pick them up locally?

Both. Koenig ships John Deere 4045HFK04 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