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Parts that go with it

Rebuilding instead of replacing? These are the parts for this unit.

Powerhouse Supply

12V Alternator for Chevrolet, GMC, Cadillac, Buick, Hummer, Isuzu, Saab 1999-2015

Replaces OEM: 321-1749, 321-1803, 321-1813, 321-1816, 321-2123

Engines: 6.0L, 5.3L, 8.1L, 6.6L, 4.8L, 4.3L, 5.7L, 6.5L, 5.0L, 6.2L

12V Alternator for Chevrolet, GMC, Cadillac, Buick, Hummer, Isuzu, Saab 1999-2015

Regular price $115.95 USD
Regular price Sale price $115.95 USD
Sale Sold out

In stock.Free shipping. Arrives in 1 to 3 business days.

  • Oklahoma 7
  • Texas 501
  • Tennessee 1005
  • Minnesota 501
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Confirm this part fits before you order.

Compatibility and OEM references are a guide, not a guarantee for your specific machine. Once an electrical part has been installed or used it cannot be returned, and a standard return costs you the return shipping plus a 20 percent restocking fee.

Ask us to confirm Return policy

⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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New alternator. Ships from USA. Power on the first turn.

Specifications

Design family Delco Remy AD244 style
Voltage 12
Amperage 130
Regulator clock 4:00
Mount hole 1 size 10mm
Mount hole 1 type Unthreaded
Mount hole 2 type Unthreaded
Mounting ear 1 thickness 1.969" / 50mm
Mounting ear 2 thickness 1.969" / 50mm
Fan location Internal
Regulator location Internal
Polarity Negative
Terminal 2 B+, M6x1.00

Common questions about this alternator

What is the 8292-225 number?

8292-225 is the Lester number. Lester is the long standing industry catalogue for rotating electrical, and its numbers are how the trade identifies a unit regardless of who sold it. We use it as our part number because it is the one identifier that stays stable across every brand that has ever boxed this alternator.

How do I know the alternator is the problem?

With the engine off, a healthy battery reads about 12.6 volts. Start the engine and read again: you should see roughly 13.8 to 14.4 volts at the battery. If it stays at battery voltage or drops, the alternator is not charging. If it climbs above about 15 volts, the regulator is overcharging, which boils batteries.

A warning light that glows dim, headlights that fade at idle, or a battery that keeps going flat overnight all point the same way. Have the battery load tested first, since a failing battery can drag a good alternator down and look identical.

How many amps do I actually need?

Start with what the machine came with and go up only if you have added load. Light bars, winches, inverters, extra beacons and audio all draw continuously. Sizing up is usually safe, since an alternator only delivers the current the system asks for, but the belt and the charging cable have to carry it.

Going below the original rating is the mistake to avoid. It runs the unit at full output constantly and shortens its life.

What do IR, EF and self exciting mean?

IR means internally regulated, so the voltage regulator lives inside the alternator. EF and IF describe whether the field is external or internal. A self exciting alternator starts charging from engine speed alone and needs no ignition wire to wake it up.

These decide the wiring, so they are not cosmetic. The glossary spells out every code we use, and each one links to the parts that carry it.

Is this new or remanufactured?

New. Every alternator we list is a new unit, not a rebuilt core, and it carries a one year warranty. There is no core to return and no deposit to chase.

How fast does it ship?

Orders leave within three business days. Ships from USA. You can read the full terms in our shipping policy, and returns are covered in the return and refund policy.

What if I order the wrong part?

Returns are accepted within the window set out in our return and refund policy,and a restocking fee applies unless the part is defective or we made the error. A unit that has been installed or used cannot be returned, so it is worth confirming fitment by part number before you fit it.