Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
remanufactured alternator
alternatorPart number: 20580
Aftermarket reference ·Delco Remy 20580 is a remanufactured alternator rated at 140 A for a 12 V DC system. It has a six-groove serpentine pulley, an internal regulator and an external fan, with clockwise rotation. Confirm the original alternator number and vehicle VIN or equipment serial number before ordering.
Looking for Delco Remy 20580? This catalogue reference is listed under alternator. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
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Original / OEM part
OEM match requires confirmation
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Confirm with a quoteTechnical specifications
| Manufacturer | Delco Remy |
|---|---|
| Part number | 20580 |
| Category | Electrical & controls |
| Vehicle System Voltage | 12 V DC |
| Rated Output | 140 A |
| Pulley # Grooves | 6 |
| B+ Output Terminal | M8X1.25 |
| Rotation | Clockwise |
| Availability | On request |
| Reference basis | Aftermarket reference; confirm component identity and fitment with your quotation |
| Supply type | Aftermarket |
| Record verification | Public search-index reference; current publisher page was not independently accessible. Confirm full specifications with your quotation. |
| Pulley Type | Serpentine |
| Regulator Type | Internal |
| Fan Type | External |
| Pulley Included | Yes |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
What are the voltage and output of the Delco Remy 20580 alternator?
The 20580 is listed for a 12 V DC system with a rated output of 140 A. Confirm the electrical requirements of the equipment before ordering.
What pulley and regulator does the 20580 alternator use?
It is listed with a six-groove serpentine pulley, an internal regulator and an external fan. The alternator rotates clockwise.
Does the 20580 fit a Cadillac DeVille with a heated windshield?
For the 1994 DeVille 4.9L, the 20580 is listed for vehicles without a heated windshield. Confirm the vehicle VIN or equipment serial number, original alternator number and option details before ordering; do not assume fitment from output rating alone.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.