John Deere AT21619 Alternator for 1020 Tractor 1520 Tractor 1530 Tractor
EexcavaStart packaging illustration · Not a photograph of this exact part. Exact-unit photo availability is not confirmed; send your original part number and unit photos with your inquiry.
OEM / referenceAT21619
SpecificationAlternator
Catalog ID91001035
Product Type
Alternator
Supply Brand
EexcavaStart
Equipment Brand
John Deere
Catalog Classification
Alternator
Condition
New replacement part
Gallery Representation
EexcavaStart neutral packaging illustration; exact product photo available on request
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.
Part-number relationships
Relationship
Reference family
Number
Primary Part Number
Replacement part reference
AT21619
Cross-reference (fitment check required)
ARROWHEAD
AMO0018
Cross-reference (fitment check required)
ARROWHEAD
400-16099
Cross-reference (fitment check required)
DIXIE NEW
109-10114
Cross-reference (fitment check required)
DIXIE
A-919
Cross-reference (fitment check required)
J&N Electrical Products
400-16099
Cross-reference (fitment check required)
JOHN DEERE
AT21618
Cross-reference (fitment check required)
JOHN DEERE
AT21619
Cross-reference (fitment check required)
JOHN DEERE
TY1428
Cross-reference (fitment check required)
LESTER
7353
Cross-reference (fitment check required)
MINNPAR
47-1342
Cross-reference (fitment check required)
MOTOROLA
A12NJD452
Cross-reference (fitment check required)
MOTOROLA
A12NJD454
Cross-reference (fitment check required)
PIC
210-138
Cross-reference (fitment check required)
PRESTOLITE
110-30
Cross-reference (fitment check required)
PRESTOLITE
110-57
Cross-reference (fitment check required)
REMY LIGHT DUTY
50201
Cross-reference (fitment check required)
WILSON HD
90-05-9019
Cross-reference (fitment check required)
WILSON
90-05-9019
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use photos of your original unit and the checklist before ordering.
Part identification
Reference numbers
Primary number
AT21619
Cross-reference (fitment check required)
AMO0018
400-16099
109-10114
A-919
AT21618
AT21619
TY1428
7353
47-1342
A12NJD452
A12NJD454
210-138
110-30
110-57
50201
90-05-9019
Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.
Product summary
Alternator
Category
Alternators
Catalog ID
91001035
Illustration views
1
Before ordering
Confirm these details
Confirm voltage and rated amperage against the original alternator label.
Compare mounting ears, pulley type and pulley-groove count.
Check plug shape, terminal position and regulator connection.
Verify the engine model and machine serial range before ordering.
Configuration restriction: This 12V 37A reference uses an external regulator and external fan. Match regulator wiring, mounting, pulley and the original machine serial restrictions. Generic engine labels do not identify an engine code or every variant.
Fitment / evidence notes
Fitment limitation: Confirm the exact part number, electrical rating, terminal layout, mounting and machine serial range before shipment
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Common questions about AT21619
Which machines use AT21619?
Recorded compatible model references include Machine models: 1020 Tractor / 1520 Tractor / 1530 Tractor / 2020 Tractor / 2030 Tractor / 2440 ( -340999) Tractor / 2440 (341000- ) Tractor / 2640 (s.n. 341; 000- ) Tractor / JD300 Series Tractors, JOHN DEERE 302A: Equipment type: Tractor; Engine: Diesel Engine; Year: 1977, JOHN DEERE 302A: Equipment type: Tractor; Engine: Diesel Engine; Year: 1978, JOHN DEERE 302A: Equipment type: Tractor; Engine: Diesel Engine; Year: 1979, JOHN DEERE 302A: Equipment type: Tractor; Engine: Diesel Engine; Year: 1980, JOHN DEERE 302A: Equipment type: Tractor; Engine: Diesel Engine; Year: 1981, JOHN DEERE 480A: Equipment type: Tractor; Engine: Diesel Engine; Year: 1965, JOHN DEERE 480A: Equipment type: Tractor; Engine: Gas Engine; Year: 1965 and 263 additional models shown on this page. Recorded fitment/evidence notes: Fitment limitation: Confirm the exact part number, electrical rating, terminal layout, mounting and machine serial range before shipment. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for AT21619?
Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable.
How do I confirm AT21619 before ordering?
Confirm voltage and rated amperage against the original alternator label. Compare mounting ears, pulley type and pulley-groove count. Check plug shape, terminal position and regulator connection. Send clear photos of the original unit and connector layout when requesting a quote.
