Alternator 120488293 for CASE 390 Diesel W/Bosch Engine

OEM / REF: 120488293SKU: pilotpart425585

New Alternator 120488293 AR187873 For Case Loader 580K 580L 590Ck 590L 621 680L is a Alternator replacement part indexed for Case 586E · 390 Diesel W/Bosch and Case 586G · 390 Diesel W/Bosch, with 3 application records on file. Match OEM part number 120488293 and confirm fitment for CASE Engine Spare Parts before or...

Stock
In stock
Condition
New
Fitment
CASE Engine Spare Parts
Category
Alternator
  • Fitment support before you order
  • Worldwide delivery options

Alternator Description

This Alternator is indexed for Case 586E · 390 Diesel W/Bosch; Case 586G · 390 Diesel W/Bosch; Case 686G · 390 Diesel W/Bosch; Case 480E · 390 Diesel W/Bosch. Compare reference number 120488293 against the label on your existing CASE component before ordering.

Additional cross references on file: AR187873. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Case 586E · 390 Diesel W/Bosch
  • Case 586G · 390 Diesel W/Bosch
  • Case 686G · 390 Diesel W/Bosch
  • Case 480E · 390 Diesel W/Bosch
  • Case 480F · 390 Diesel W/Bosch
  • Case 570LXT · 390 Diesel W/Bosch
  • Case 580 · W/Bosch
  • Case 580K · Diesel Engine W/Bosch
  • Case 580L · Diesel Engine W/Bosch
  • Case 590CK · W/Bosch
  • Case 590L · Diesel Engine W/Bosch
  • Case 621 · W/Bosch (12v)
  • Case 680L · W/Bosch (Std.)
  • Case 721 · W/Bosch (12v)
  • Case 780D · W/Bosch (Std.)
  • Case 821 · W/Bosch (12v)
  • Case 921 · Cummins L-10 W/Bosch (12v)
  • Case 40XT · 390 Diesel W/Bosch
  • Case 60XT · 390 Diesel W/Bosch
  • Case 70XT · 390 Diesel W/Bosch
  • Case 75XT · 390 Diesel W/Bosch
  • Case 85XT · 390 Diesel W/Bosch

Specifications

Voltage12V
Amperage65A
FanEXTERNAL
RegulatorINTERNAL
PolarityNEGATIVE
Regulator Clock9
Shaft Od (Pulley)0.669IN / 17MM
Mounting Ear 1M8-1.25 THREADED
Mounting Ear 210MM UNTHREADED
Part Number (BOSCH)120488293
Part Number (CASE)AR187873
Part NumberBOSCH: 120488293 CASE: AR187873

Fitment Notes

Brand or application signal
CASE Engine Spare Parts
Product family
Alternator
System category
Engine Spare Parts > Engine Auxiliary Components > Alternator
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment

Send machine details before ordering high-risk parts.