A1046 12V 28A Alternator Fits John Deere 1020, John Deere 1030

Price 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.

SKU: A1046 Category:

Product Specification

DescriptionValue
AMP28 A
Volt12 V
No. of Grooves1 qty
Pulley Diameter92 mm
Mounting holes2 qty
Position180°
B+M6
Insulated ReturnNo
Water cooledNo
Vacuum pumpNo
Start/StopNo
Weight3.04 Kg

Cross Reference

Reference NumberBrand
DYA1046Dyno Electrics
31546702Mercedes-Benz
61542902Mercedes-Benz
6154290280Mercedes-Benz
120143003Bosch
120300512Bosch
120300516Bosch
120300517Bosch
120300518Bosch
120300524Bosch
120300527Bosch
120300535Bosch
120300549Bosch
120300562Bosch
120300584Bosch
120300589Bosch
120339511Bosch
120339512Bosch
120339513Bosch
120339532Bosch
120339541Bosch
120339543Bosch
120339544Bosch
120339545Bosch
120400618Bosch
120400662Bosch
120400697Bosch
120400698Bosch
120400775Bosch
22310Steinbock
986030090Bosch Exchange
986030110Bosch Exchange
986030114Bosch Exchange
986030117Bosch Exchange
0986UR0812Bosch Exchange
111649HC-Cargo
11201119Mahle
11201784Mahle
11209641Mahle
13194NWAI
13194RWAI
18200784AES
19093050Delco Remy
241959Volvo
294390300Same
294390500Same
294390700Same
294391700Same
35544Agria
40099300Hatz
432994Valeo
433052Valeo
436267Valeo
436268Valeo
440052649YALE
4434755Steinbock
50152151Jungheinrich
50185642Jungheinrich
51750Agria
555001033PSH
6.06E+11MWM
6204754Volvo
72520553Mahle
72735437Mahle
7901820Claas
90156071Wilson
90156166Wilson
90158007Hako
9120143003Bosch
9120143021Bosch
9AL2969FValeo
9AR2862KMotorola
9AR2944KMotorola
9AR2968KValeo
9AR5040KMotorola
A0031546702Mercedes-Benz
A0061542902Mercedes-Benz
A006154290280Mercedes-Benz
AAG1316Mahle
AAG1343Mahle
AAG1364Mahle
AL36100John Deere
AL62401John Deere
AL902XBosch (USA)
AL904XBosch (USA)
ALT20029Wood Auto
AR62401John Deere
AZ23575John Deere
C00090001018Agco
CA522IRHC-Parts
CA734IRHC-Parts
DRA0090Delco Remy
DRA0110Delco Remy
F00E100098Bosch
F032111649HC-Cargo
HCA522IRHC-Parts
HCA734IRHC-Parts
IA0119Mahle
IA0784Mahle
LEA0863Lucas
LETIA0784Wood Auto
LRA01046Lucas
LRA01199Lucas
LRA1046Lucas
LRA1199Lucas
LRB00136Lucas
LRB136Lucas
MAHMG438Wood Auto
MG438Mahle
NA079Valeo
RNL11201784RNL
RNL11201784MDRNL
RNL11201784OERRNL
SE501344John Deere
TY25948John Deere
TY6605John Deere
WOOALT20029Wood Auto

Vehicle Applications

BrandModelEngineEngine CodeSeriesModel TypeTypeYear
JOHN DEERE10200ccm Diesel3.164 DL-041973 - 1979
JOHN DEERE10300ccm Diesel3.164 DL-041975 - 1979
JOHN DEERE11200ccm Diesel3.164 DL-011973 - 1979
JOHN DEERE20300ccm Diesel4.219 DL-031973 - 1979
JOHN DEERE21300ccm Diesel4.239 DL-011971 - 1979
JOHN DEERE31300ccm Diesel6.329 DL-111971 - 1979
JOHN DEERE8200ccm Diesel3.1531973 - 1979
SAMEMinitauro 600ccm Diesel1053L1974 - 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.

Need Help Finding the Right Part?

Send us your existing part number or cross-reference, and our team can help identify the correct unit.