The John Deere 6125 engine line groups 4 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| C03244 | Air Cleaner | air_filter |
| C03330 | Air Cleaner | air_filter |
| RE500226 | ALTERNATOR | alternator |
| RE500227 | ALTERNATOR | alternator |
| RE501112 | ALTERNATOR | alternator |
| RE551447 | ALTERNATOR | alternator |
| RE551448 | ALTERNATOR | alternator |
| RE65414 | ALTERNATOR | alternator |
| SE501810 | ALTERNATOR (REMAN FOR RE501112 (12V, 105A) (3109)) | alternator |
| SE501836 | ALTERNATOR (REMAN FOR RE500227) (12V, 90A) | alternator |
| SE501839 | ALTERNATOR | alternator |
| SE501842 | ALTERNATOR | alternator |
| DZ118775 | FAN BELT | belt |
| R527741 | (OD = 245 MM) (1341) | crankshaft_pulley |
| RE507284 | FUEL FILTER | fuel_filter |
| SE501957 | INJECTION NOZZLE (REMAN FOR RG33967 (162A)) | injector |
| SE501958 | FUEL INJECTION NOZZLE (REMAN FOR RG33968) | injector |
| DZ118269 | OIL FILTER | oil_filter |
| RE530346 | OCV FILTER | oil_filter |
| RE58935 | Oil Filter | oil_filter |
| C04533 | Lube Oil Heater | other_service |
| C122190 | Engine Coolant Heater | other_service |
| C122194 | Engine Coolant Heater | other_service |
| RE523266 | CRANKSHAFT PULLEY | other_service |
| RE530733 | (OD = 361 MM) (6802) (6801) | other_service |
| RE536213 | SHORT BLOCK ASSEMBLY | other_service |
| SE501066 | CONNECTING ROD (REMAN FOR RE502314) | other_service |
| SE501269 | CONNECTING ROD (REMAN FOR RE522978 (4802)) | other_service |
| SE501664 | CRANKSHAFT (REMAN FOR RE51761 (4701)) | other_service |
| SE501726 | CONNECTING ROD (REMAN FOR RE532355 (4802)) | other_service |
| SE502394 | CONNECTING ROD (REMAN FOR RE535965 (4802)) | other_service |
| SE502570 | COMPLETE BLOCK ASSEMBLY | other_service |
| SE502572 | COMPLETE BLOCK ASSEMBLY | other_service |
| SE502812 | CONTROLLER ((LEVEL 6 ) REMAN FOR RE507980 (8411)) | other_service |
| SE502922 | CONTROLLER ((LEVEL 6 ) REMAN FOR RE507981 (8412)) | other_service |
| SH100004 | ENGINE CONTROLLER (REMAN FOR RE507980) | other_service |
| SH100006 | ENGINE CONTROLLER (REMAN FOR RE507981) | other_service |
| SE501229 | WATER PUMP (REMAN FOR RE549135 (2006) (2008)) | pump |
| SE501594 | OIL PUMP (REMAN FOR RE527933) | pump |
| RE515843 | STARTER | starter |
| RE515895 | STARTER | starter |
| RE539584 | STARTER (12V) | starter |
| RE540886 | STARTER | starter |
| SE501862 | STARTER (REMAN FOR RE515843 (12V) (3006) (3008)) | starter |
| SE501874 | STARTER (REMAN FOR RE539584 (12V) (3012)) | starter |
| SE502679 | STARTER (REMAN FOR RE540886 (3014)) | starter |
| SE502189 | TURBOCHARGER (REMAN FOR RE521355 (6538)) | turbocharger |
| SE502268 | TURBO CHARGER (REMAN FOR RE531701) | turbocharger |
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.