The John Deere 4045 engine line groups 62 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 253108 | Element, air cleaner | air_filter |
| 301315 | Air Filter Element for Compressor | air_filter |
| 352575 | Alternator | alternator |
| RE533516 | ALTERNATOR | alternator |
| PA-324494 | 24 V Battery | battery |
| PA-352253 | Battery Rack, free standing | battery |
| PAA-326767 | 24 V Battery Charger w/alarms | battery |
| F100-570 | CONTROL BOX ASSEMBLY | control_box |
| 352595 | Controller, Decision-Maker 340 | controller |
| 352570 | Cooling, Unit Mounted Radiator | cooling |
| PA-275477 | Exhaust Manifold Blanket | cooling |
| PA-276943 | Flexible Exhaust Connector | cooling |
| 255130 | Safeguard Breaker | electrical |
| 273744 | Run Relay, 12 V | electrical |
| 274593 | Voltage regulator (standard) | electrical |
| 336401 | Isochronous Governor | electrical |
| 347274 | Failure Relay | electrical |
| 352374 | Fuel Pressure Gauge | electrical |
| PA-273913 | Dry Contact Kit | electrical |
| PA-293906 | Emergency Stop, Remote | electrical |
| PA-346588 | Current Transformer | electrical |
| PA-354752 | Load Bank Controller | electrical |
| F100-790 | ENGINE OPERATING PANEL ASSEMBLY | engine_operating_panel |
| F100-680 | ENGINE & RADIATOR ASSEMBLY | engine_radiator |
| 352371 | Flexible Fuel Lines | fluid |
| 0000I00 | Fuel Solenoid | fuel_solenoid |
| R136495 | Gasket | gasket |
| R524468 | Gasket | gasket |
| F100-460 | GENERATOR ASSEMBLY | generator |
| F100-800 | GENERATOR ASSEMBLY | generator |
| X--386--127 | Line, Flex Fuel | hose |
| X--386--48 | Fuel line, flexible | hose |
| X--426--9 | Clamp, hose, .25/.70 in. | hose |
| 302600 | Air/Oil Coalescer Element, spin-on canister | hydraulic_filter |
| F100-350 | NAME PLATE AND DECALS | nameplate |
| 223604 | Filter, oil | oil_filter |
| 223673 | Filter, oil | oil_filter |
| 302601 | Oil Filter Element for Compressor | oil_filter |
| 006226 | other_service | |
| 10000024262 | Decal, phase switch warning | other_service |
| 10000029864 | Decal set, MDG75 mechanical group | other_service |
| 100REOZJ4 | Stationary non-emergency gen-sets | other_service |
| 12142 | Decal, ground | other_service |
| 19M7838 | Screw | other_service |
| 19M7862 | Screw | other_service |
| 19M8306 | Screw | other_service |
| 200389 | Frame & Parts, GC-40 JD4045 T3 | other_service |
| 200390 | Engine & Parts, GC-40 JD4045 T3 | other_service |
| 200391 | Generator & Parts, GC-40 JD4045 T3 | other_service |
| 200392 | Radiator & Parts, GC-40 JD4045 T3 | other_service |
| 200393 | Instruments & Parts, GC-40 JD4045 T3 | other_service |
| 200394 | Gator & Parts, GC-40 JD4045 T3 | other_service |
| 200395 | Compressor & Parts, GCRS-40-40 JD4045 T3 | other_service |
| 200396 | Cooler & Parts, GCRS-40-40 JD4045 T3 | other_service |
| 200403 | Decal & Parts, GCRS-40-40 JD4045 T3 | other_service |
| 26386 | Decal, pinch point | other_service |
| 307398 | Relief Valve (drawn as 39124) | other_service |
| 352585 | Block Heater | other_service |
| 46606373 | other_service | |
| 50876 | Decal, positive battery disconnect | other_service |
| 51552 | Decal, high temp | other_service |
| 61371 | Optional Rear Shaft Guard, GC-40 JD4045 T3 | other_service |
| 80REOZJ4 | Stationary non-emergency gen-sets | other_service |
| AR106083 | Plug | other_service |
| C07575 | DC Engine Wiring | other_service |
| C07651 | AC Heater Wiring | other_service |
| F100-250 | WINGS | other_service |
| F100-260 | WINGS | other_service |
| GM103522--1 | Engine, 12V JD4045HFG | other_service |
| GM103523--1 | Engine, 12V JD4045HFG | other_service |
| GM32386-KP1 | Exhaust Silencer, Hospital | other_service |
| GM94201--1 | Engine, 12V JD4045HFG | other_service |
| GM94202--1 | Engine, 12V JD4045HFG | other_service |
| GM94206 | Tube, Exhaust | other_service |
| GM94207 | Tube, DPF To Decomp Tube | other_service |
| GM94222 | Tube, Air Intake | other_service |
| GM94228 | Tube, Exhaust | other_service |
| GM94230 | Tube, Air Intake | other_service |
| GM98896 | Tube, DPF To Decomp Tube | other_service |
| H23125 | Plug | other_service |
| PA-324470 | Exhaust Silencer, Critical | other_service |
| PA-354809 | Exhaust Silencer, Critical (kit) | other_service |
| R116296 | Cover | other_service |
| R123574 | Nut | other_service |
| R131765 | Plug | other_service |
| R135918 | Bolt | other_service |
| R503447 | Housing | other_service |
| R505567 | Pulley | other_service |
| R515040 | Bushing | other_service |
| R516648 | Cap Screw | other_service |
| R517208 | Pulley | other_service |
| R517237 | Bushing | other_service |
| R520896 | Valve Cover | other_service |
| R521326 | Valve Cover | other_service |
| R521327 | Valve Cover | other_service |
| R521401 | Medallion | other_service |
| R522409 | Heat Shield | other_service |
| RE501377 | Filler Neck | other_service |
| RE527858 | Screw M6 x 12 | other_service |
| RE528742 | Deflector | other_service |
| RE535560 | Filler Cap | other_service |
| RE67238 | Screw | other_service |
| RE67239 | Screw | other_service |
| X--672--7 | Clamp, insulated, .44 in. | other_service |
| F100-910 | OUTPUT TERMINALS | output_terminals |
| 352571 | Skid | physical |
| F100-1020 | Radiator | radiator |
| R123575 | O-Ring | seal |
| R502902 | Packing | seal |
| R61467 | O-Ring | seal |
| RE44574 | Seal | seal |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.