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 Manufacturer Part Number
Official Cat alternator reference
272-1889
Replacement status - verify configuration
Serial lookup required; not a part number
Dealer confirmation required
Cross-reference (fitment check required)
ARROWHEAD
AND0624
Cross-reference (fitment check required)
DENSO
101210-9010
Cross-reference (fitment check required)
DENSO
101210-9011
Cross-reference (fitment check required)
LESTER
14793
Cross-reference (fitment check required)
Arrowhead
ND021080-0690
Cross-reference (fitment check required)
Arrowhead
ND101210-9010
Cross-reference (fitment check required)
Arrowhead
ND101210-9011
Cross-reference (fitment check required)
Caterpillar
20R0053
Cross-reference (fitment check required)
Denso
021080-0690
Cross-reference (fitment check required)
Denso
211-8008
Cross-reference (fitment check required)
J&N Electrical Products
400-52232
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
272-1889
Cross-reference (fitment check required)
AND0624
101210-9010
101210-9011
14793
ND021080-0690
ND101210-9010
ND101210-9011
20R0053
021080-0690
211-8008
400-52232
Other documented relationship
Dealer confirmation required
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
24V 150A Heavy-Duty Alternator
Category
Alternators
Catalog ID
76676563
Photo 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.
Fitment limitation: Confirm number, output, pulley, connector, replacement and serial
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 272-1889
Which machines use 272-1889?
Recorded compatible model references include Representative graders: Cat 120M / 140M families, Representative tractors/loaders: Cat D6T / 966H / 980K families. Recorded fitment/evidence notes: Fitment limitation: Confirm number, output, pulley, connector, replacement and serial. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 272-1889?
Documented reference numbers (verify configuration; not automatically direct interchanges): Dealer confirmation required. See the complete relationship table above. 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 272-1889 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.
