A1046 12V 28A Alternator Fits John Deere 1020, John Deere 1030
£120.00 – £192.00Price range: £120.00 through £192.00
Compare the A1046 12V 28A alternator from Sahibs Auto Electrics with the unit currently fitted. Listed applications include selected John Deere 1020, John Deere 1030, John Deere 1120, John Deere 2030 models. Identification references include Lucas LRA01046, Bosch 120143003, Valeo 432994. Its listed 12V 28A rating provides an electrical matching point for your existing unit. Check the single-groove pulley, connections and mounting arrangement. Check the current condition options and availability before purchase. Match the exact engine and production details before ordering. Buy your A1046 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 28 A |
| Volt | 12 V |
| No. of Grooves | 1 qty |
| Pulley Diameter | 92 mm |
| Mounting holes | 2 qty |
| Position | 180° |
| B+ | M6 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 3.04 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA1046 | Dyno Electrics |
| 31546702 | Mercedes-Benz |
| 61542902 | Mercedes-Benz |
| 6154290280 | Mercedes-Benz |
| 120143003 | Bosch |
| 120300512 | Bosch |
| 120300516 | Bosch |
| 120300517 | Bosch |
| 120300518 | Bosch |
| 120300524 | Bosch |
| 120300527 | Bosch |
| 120300535 | Bosch |
| 120300549 | Bosch |
| 120300562 | Bosch |
| 120300584 | Bosch |
| 120300589 | Bosch |
| 120339511 | Bosch |
| 120339512 | Bosch |
| 120339513 | Bosch |
| 120339532 | Bosch |
| 120339541 | Bosch |
| 120339543 | Bosch |
| 120339544 | Bosch |
| 120339545 | Bosch |
| 120400618 | Bosch |
| 120400662 | Bosch |
| 120400697 | Bosch |
| 120400698 | Bosch |
| 120400775 | Bosch |
| 22310 | Steinbock |
| 986030090 | Bosch Exchange |
| 986030110 | Bosch Exchange |
| 986030114 | Bosch Exchange |
| 986030117 | Bosch Exchange |
| 0986UR0812 | Bosch Exchange |
| 111649 | HC-Cargo |
| 11201119 | Mahle |
| 11201784 | Mahle |
| 11209641 | Mahle |
| 13194N | WAI |
| 13194R | WAI |
| 18200784 | AES |
| 19093050 | Delco Remy |
| 241959 | Volvo |
| 294390300 | Same |
| 294390500 | Same |
| 294390700 | Same |
| 294391700 | Same |
| 35544 | Agria |
| 40099300 | Hatz |
| 432994 | Valeo |
| 433052 | Valeo |
| 436267 | Valeo |
| 436268 | Valeo |
| 440052649 | YALE |
| 4434755 | Steinbock |
| 50152151 | Jungheinrich |
| 50185642 | Jungheinrich |
| 51750 | Agria |
| 555001033 | PSH |
| 6.06E+11 | MWM |
| 6204754 | Volvo |
| 72520553 | Mahle |
| 72735437 | Mahle |
| 7901820 | Claas |
| 90156071 | Wilson |
| 90156166 | Wilson |
| 90158007 | Hako |
| 9120143003 | Bosch |
| 9120143021 | Bosch |
| 9AL2969F | Valeo |
| 9AR2862K | Motorola |
| 9AR2944K | Motorola |
| 9AR2968K | Valeo |
| 9AR5040K | Motorola |
| A0031546702 | Mercedes-Benz |
| A0061542902 | Mercedes-Benz |
| A006154290280 | Mercedes-Benz |
| AAG1316 | Mahle |
| AAG1343 | Mahle |
| AAG1364 | Mahle |
| AL36100 | John Deere |
| AL62401 | John Deere |
| AL902X | Bosch (USA) |
| AL904X | Bosch (USA) |
| ALT20029 | Wood Auto |
| AR62401 | John Deere |
| AZ23575 | John Deere |
| C00090001018 | Agco |
| CA522IR | HC-Parts |
| CA734IR | HC-Parts |
| DRA0090 | Delco Remy |
| DRA0110 | Delco Remy |
| F00E100098 | Bosch |
| F032111649 | HC-Cargo |
| HCA522IR | HC-Parts |
| HCA734IR | HC-Parts |
| IA0119 | Mahle |
| IA0784 | Mahle |
| LEA0863 | Lucas |
| LETIA0784 | Wood Auto |
| LRA01046 | Lucas |
| LRA01199 | Lucas |
| LRA1046 | Lucas |
| LRA1199 | Lucas |
| LRB00136 | Lucas |
| LRB136 | Lucas |
| MAHMG438 | Wood Auto |
| MG438 | Mahle |
| NA079 | Valeo |
| RNL11201784 | RNL |
| RNL11201784MD | RNL |
| RNL11201784OER | RNL |
| SE501344 | John Deere |
| TY25948 | John Deere |
| TY6605 | John Deere |
| WOOALT20029 | Wood Auto |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| JOHN DEERE | 1020 | 0ccm Diesel | 3.164 DL-04 | 1973 - 1979 | |||
| JOHN DEERE | 1030 | 0ccm Diesel | 3.164 DL-04 | 1975 - 1979 | |||
| JOHN DEERE | 1120 | 0ccm Diesel | 3.164 DL-01 | 1973 - 1979 | |||
| JOHN DEERE | 2030 | 0ccm Diesel | 4.219 DL-03 | 1973 - 1979 | |||
| JOHN DEERE | 2130 | 0ccm Diesel | 4.239 DL-01 | 1971 - 1979 | |||
| JOHN DEERE | 3130 | 0ccm Diesel | 6.329 DL-11 | 1971 - 1979 | |||
| JOHN DEERE | 820 | 0ccm Diesel | 3.153 | 1973 - 1979 | |||
| SAME | Minitauro 60 | 0ccm Diesel | 1053L | 1974 - 1980 |
Description
A1046 Replacement Alternator
Choose a replacement by comparing the A1046 alternator and its Lucas reference, LRA01046, with your existing unit. The listed electrical rating is 12V 28A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected John Deere 1020 variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 28A output: compare the listed rating with the original alternator.
- Single-groove pulley: check belt profile and alignment against the existing unit.
- 2 mounting holes: compare the fixing pattern and unit position.
- M6 B+ terminal: check the connection against the original unit.
Compatible Vehicles and Applications
- John Deere 1020 – selected applications 1973–1979 (engine code 3.164 DL-04).
- John Deere 1030 – selected applications 1975–1979 (engine code 3.164 DL-04).
- John Deere 1120 – selected applications 1973–1979 (engine code 3.164 DL-01).
- John Deere 2030 – selected applications 1973–1979 (engine code 4.219 DL-03).
- John Deere 2130 – selected applications 1971–1979 (engine code 4.239 DL-01).
- John Deere 3130 – selected applications 1971–1979 (engine code 6.329 DL-11).
These are selected applications, not the complete fitment list. Check the detailed vehicle compatibility table, engine code and production year, then compare the original unit before ordering.
OE Numbers and Cross-Reference Information
The following cross-reference numbers are associated with A1046. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
120143003, 120300512, 120300516, 120300517, 120300518, 120300524, 120300527, 120300535, 120300549, 120300562, 120300584, 120300589, 120339511, 120339512, 120339513, 120339532, 120339541, 120339543, 120339544, 120339545, 120400618, 120400662, 120400697, 120400698, 120400775, 986030090, 986030110, 986030114, 986030117, 0986UR0812, 9120143003, 9120143021, F00E100098, 432994, 433052, 436267, 436268, 9AL2969F, 9AR2968K, NA079, LRA01046, LEA0863, LRA01199, LRA1046, LRA1199, LRB00136, LRB136, 19093050, DRA0090, DRA0110, 11201119, 11201784, 11209641, 72520553, 72735437, AAG1316, AAG1343, AAG1364, IA0119, IA0784, MG438
The full manufacturer cross-reference and OE listings are available elsewhere on this page. Confirm whether a number is an OE or aftermarket reference when comparing the original unit.
When Should You Replace Your Alternator?
Charging warning lights, repeated loss of battery charge, dim or fluctuating lights and inconsistent electrical operation can indicate a charging-system problem. Battery condition, wiring and the drive belt can produce similar symptoms; arrange a diagnostic check before replacing the alternator.
Why Buy from Sahibs Auto Electrics?
Sahibs Auto Electrics is a UK automotive electrical parts specialist supplying alternators and starter motors. Ask for help identifying A1046 using the existing part number and vehicle details. Check the current condition options and availability before purchase. Buy online for UK delivery or Click & Collect, checking the current order arrangements.
Frequently Asked Questions
Will A1046 fit my John Deere 1020?
John Deere 1020 (1973–1979) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A1046 replace Lucas LRA01046?
Lucas LRA01046 is a listed identification reference. Compare it with the original unit and specifications; a cross-reference does not guarantee compatibility by itself.
What specifications are listed for A1046?
The listed details include 12V, 28A output, 1 pulley groove. Compare the complete specifications on this page with the unit being replaced.
Is A1046 new or remanufactured?
Check the current product condition selection for A1046. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A1046?
Compare 12V compatibility, 28A output, pulley configuration, mounting points and electrical connections with the original alternator.
Does a battery warning light prove the alternator has failed?
No. Battery, belt, wiring and control faults can also affect charging. Use a charging-system test to establish the cause before ordering a replacement.






