A0621 12V 55A Alternator Fits John Deere 1032 Combine, John Deere 840

Price range: £118.00 through £188.80

The A0621 12V 55A Alternator is a replacement charging unit from Sahibs Auto Electrics. Listed applications include selected John Deere 1032 Combine, John Deere 1040, John Deere 1042 Combine, John Deere 1052 Combine models. Identification references include Lucas LRA00621, Bosch 120339539, Valeo 432993. Its listed 12V 55A 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 A0621 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.

SKU: A0621 Category:

Product Specification

DescriptionValue
AMP55 A
Volt12 V
No. of Grooves1 qty
Pulley Diameter85 mm
Mounting holes3 qty
B+M6
Insulated ReturnNo
Water cooledNo
Vacuum pumpNo
Start/StopNo
Weight4.4 Kg

Cross Reference

Reference NumberBrand
DYA0621Dyno Electrics
401770221Euro Car Part
120339539Bosch
120489703Bosch
120489704Bosch
986033320Bosch Exchange
110105HC-Cargo
11201453Mahle
11201929Mahle
113542HC-Cargo
13193NWAI
20110293Prestolite
241018HC-Cargo
432993Valeo
4.43E+11Magneton
635002055PSH
72735214Mahle
90156164Wilson
90369502Wilson
90369504Wilson
90369509Wilson
9120143008Bosch
943356783Magneti Marelli
9515241Magneton
9515511Magneton
9515762Magneton
9516241Magneton
9516760Magneton
9516762Magneton
9516763Magneton
9516764Magneton
9AR2968Motorola
A6331Dixie
AAK1330Mahle
AAK3328Mahle
AL207585John Deere
AL28516John Deere
AL28517Motorola
AL35998John Deere
AL67177John Deere
ALT31002Wood Auto
ALT41001Wood Auto
ALT41004Wood Auto
AZ26910John Deere
AZ28516John Deere
C000900010090Agco
DRA3320Delco Remy
IA0453Mahle
IA90453Mahle
IA90453CMahle
LEA0508Lucas
LRA00621Lucas
LRA621Lucas
MAHMG215Wood Auto
MAR876Magneti Marelli
MG215Mahle
PRE20110293Wood Auto
RE500502John Deere
RE501634John Deere
RE506197John Deere
RE507960John Deere
RE57961John Deere
RNL489703RNL
SE501823John Deere
WOOALT41001Wood Auto

Vehicle Applications

BrandModelEngineEngine CodeSeriesModel TypeTypeYear
JOHN DEERE1032 Combine0ccm Diesel1983 - 1989
JOHN DEERE10400ccm Diesel3.179 DL-061979 - 1986
JOHN DEERE1042 Combine0ccm Diesel1983 - 1989
JOHN DEERE1052 Combine0ccm Diesel1983 - 1989
JOHN DEERE1055 Combine0ccm Diesel1983 - 1989
JOHN DEERE11400ccm Diesel3.179 DL-011979 - 1986
JOHN DEERE16400ccm Diesel4.239 DL-031979 - 1986
JOHN DEERE18400ccm Diesel4.239 DL-041979 - 1986
JOHN DEERE20400ccm Diesel4.239 DL-041979 - 1986
JOHN DEERE21400ccm Diesel4.239 TL-021979 - 1986
JOHN DEERE30400ccm Diesel6.359 DL-011979 - 1982
JOHN DEERE30400ccm Diesel6.359 DL-061982 - 1986
JOHN DEERE31400ccm Diesel6.359 DL-031979 - 1982
JOHN DEERE31400ccm Diesel6.359 DL-041982 - 1986
JOHN DEERE8400ccm Diesel3.179 DL-041979 - 1986
JOHN DEERE932 Combine0ccm Diesel4.239 DZ-041979 - 1983
JOHN DEERE9400ccm Diesel3.179 DL-051979 - 1986
JOHN DEERE942 Combine0ccm Diesel4.239 DZ-031979 - 1983
JOHN DEERE952 Combine0ccm Diesel4.239 TZ-011981 - 1983

Description

A0621 Replacement Alternator

For a A0621 alternator enquiry, use Lucas reference LRA00621 alongside the vehicle and original unit details. The listed electrical rating is 12V 55A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected John Deere 1032 Combine variants.

Key Features and Benefits

  • 12V electrical system: match the vehicle voltage before selecting a unit.
  • 55A output: compare the listed rating with the original alternator.
  • Single-groove pulley: check belt profile and alignment against the existing unit.
  • 3 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 1032 Combine – selected applications 1983–1989.
  • John Deere 1040 – selected applications 1979–1986 (engine code 3.179 DL-06).
  • John Deere 1042 Combine – selected applications 1983–1989.
  • John Deere 1052 Combine – selected applications 1983–1989.
  • John Deere 1055 Combine – selected applications 1983–1989.
  • John Deere 1140 – selected applications 1979–1986 (engine code 3.179 DL-01).

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 A0621. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.

120339539, 120489703, 120489704, 986033320, 9120143008, 432993, LRA00621, LEA0508, LRA621, DRA3320, 20110293, 11201453, 11201929, 72735214, AAK1330, AAK3328, IA0453, IA90453, IA90453C, MG215

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 A0621 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 A0621 fit my John Deere 1032 Combine?

John Deere 1032 Combine (1983–1989) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.

Does A0621 replace Lucas LRA00621?

Lucas LRA00621 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 A0621?

The listed details include 12V, 55A output, 1 pulley groove. Compare the complete specifications on this page with the unit being replaced.

Is A0621 new or remanufactured?

Check the current product condition selection for A0621. Confirm the supplier and availability of the option you want before completing the order.

What should I compare before ordering A0621?

Compare 12V compatibility, 55A 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.