Alternator 400-12489 4.3L 4.8L 5.3L 6.0L 8.1L 1500 2500 3500 Silverado Pickup 2005-2007
Alternator 400-12489 4.3L 4.8L 5.3L 6.0L 8.1L 1500 2500 3500 Silverado Pickup 2005-2007  Alternator 400-12489 4.3L 4.8L 5.3L 6.0L 8.1L 1500 2500 3500 Silverado Pickup 2005-2007  Alternator 400-12489 4.3L 4.8L 5.3L 6.0L 8.1L 1500 2500 3500 Silverado Pickup 2005-2007  Alternator 400-12489 4.3L 4.8L 5.3L 6.0L 8.1L 1500 2500 3500 Silverado Pickup 2005-2007  Alternator 400-12489 4.3L 4.8L 5.3L 6.0L 8.1L 1500 2500 3500 Silverado Pickup 2005-2007  Alternator 400-12489 4.3L 4.8L 5.3L 6.0L 8.1L 1500 2500 3500 Silverado Pickup 2005-2007 

Alternator 400-12489 4.3L 4.8L 5.3L 6.0L 8.1L 1500 2500 3500 Silverado Pickup 2005-2007

  • Item #: 400-12489
  • Stock: In Stock

OVERVIEW

Milton Auto Electric Alternators
Milton Auto Electric keeps vehicles of every shape and size moving forward - from mowers, motorcycles and ATVs to automobiles, tractors, pickups and large commercial trucks. We work directly with factories to ensure each component is manufactured to our exacting quality control standards. But because there is no middleman, we can offer these exceptional-quality electrical components at low factory direct prices.

With Milton Auto Electric alternators, you’ll get ...

  • Superior Quality Every Time - Our aftermarket alternators deliver performance that’s equivalent to the original.
  • Direct-Fit OEM Replacement Parts - Milton Auto Electric aftermarket alternators are designed for perfect fitment to replace the ones that originally came with your vehicle.
  • Engineer-Tested Excellence - Our alternators go through a rigorous testing program to ensure optimal performance. Most alternators are supplied with their final test results and performance curve.

Reasons to choose Milton Auto Electric for your next alternator:

  • Built to Take the Heat - Most Milton Auto Electric alternators offer high-temperature epoxy, heavy-duty rectifiers, high-quality regulators, top-quality bearings and high-temperature grease for better charging and longer life under high-heat environments.
  • Depth of Inventory - Find both common and hard-to-find alternators for virtually any type of vehicle to travel over road, trail or water.
  • Brand New Alternator - Never settle for a secondhand one. Many places will try to sell you a used alternator for about the price we’ll sell you a new one.

The Milton Auto Electric Advantage - 1-Year Warranty
Milton Auto Electric delivers exceptional value for products that we stand behind with our total-confidence 1-year warranty. Yes, you have a full year to make sure your alternator meets your expectations.

Item Number: 400-12489

100% Brand New Aftermarket Part From Milton Auto Electric

PRODUCT SPECS

Item Condition Aftermarket Part
Critical Note Any High Amp Upgrade Needs to Be Professionally Installed, With
Family Delco DR44G
Volt 12
Amps 250
Condition New
Regulator Clock 2:00
Quality Type High Output Standard
Mount Hole ID 1 10mm
Mount Hole 1 Type Unthreaded
Mount Hole 2 Type Unthreaded
Mounting Ear Thickness 50.800mm
Mounting Ear 2 Thickness 50.800mm
Fan Location Internal
Regulator Location Internal
Terminal ID 2 B+
Terminal 2 Size M6x1.00
Terminal ID 3 F
Terminal 3 Size Spade
Terminal ID 4 L
Terminal 4 Size Spade
Polarity Negative
Number of Grooves 6
Groove OD 48.800mm
Pulley Type Solid
Pulley Outer Diameter 54mm
Warranty 1 Year
Critical Note Any High Amp Upgrade Needs to Be Professionally Installed, With
Critical Note Any High Amp Upgrade Needs to Be Professionally Installed, With
Critical Note Any High Amp Upgrade Needs to Be Professionally Installed, With
Critical Note Any High Amp Upgrade Needs to Be Professionally Installed, With

APPLICATIONS LIST

MAKE TYPE MODEL YEAR ENGINE
BUICK Auto and Light Truck RAINIER 2007 5.3L(325) V8
CADILLAC Auto and Light Truck ESCALADE 2006 6.0L(364) V8
CADILLAC Auto and Light Truck ESCALADE ESV 2006 6.0L(364) V8
CADILLAC Auto and Light Truck ESCALADE EXT 2006 6.0L(364) V8
CHEVROLET Auto and Light Truck AVALANCHE 1500 2005 5.3L(325) V8
CHEVROLET Auto and Light Truck AVALANCHE 1500 2006 5.3L(325) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 2005 4.3L(262) V6
CHEVROLET Auto and Light Truck SILVERADO 1500 2005 4.8L(294) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 2005 5.3L(325) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 2005 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 2006 4.3L(262) V6
CHEVROLET Auto and Light Truck SILVERADO 1500 2006 4.8L(294) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 2006 5.3L(325) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 2006 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 2007 4.3L(262) V6
CHEVROLET Auto and Light Truck SILVERADO 1500 2007 4.8L(294) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 2007 5.3L(325) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 2007 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 HD 2005 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 HD 2006 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 1500 HD 2007 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 2500 HD 2005 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 2500 HD 2006 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 2500 HD 2007 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 3500 2005 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 3500 2006 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 3500 2007 6.0L(364) V8
CHEVROLET Auto and Light Truck SILVERADO 3500 HD 2007 6.0L(364) V8
CHEVROLET Auto and Light Truck TRAILBLAZER 2007 5.3L(325) V8
CHEVROLET Auto and Light Truck TRAILBLAZER 2008 5.3L(325) V8
GMC Auto and Light Truck ENVOY 2007 5.3L(325) V8
GMC Auto and Light Truck ENVOY 2008 5.3L(325) V8
GMC Auto and Light Truck ENVOY 2009 5.3L(325) V8
GMC Auto and Light Truck SIERRA 1500 2005 4.3L(262) V6
GMC Auto and Light Truck SIERRA 1500 2005 4.8L(294) V8
GMC Auto and Light Truck SIERRA 1500 2005 5.3L(325) V8
GMC Auto and Light Truck SIERRA 1500 2006 4.3L(262) V6
GMC Auto and Light Truck SIERRA 1500 2006 4.8L(294) V8
GMC Auto and Light Truck SIERRA 1500 2006 5.3L(325) V8
GMC Auto and Light Truck SIERRA 1500 2006 6.0L(364) V8
GMC Auto and Light Truck SIERRA 1500 2007 4.3L(262) V6
GMC Auto and Light Truck SIERRA 1500 2007 4.8L(294) V8
GMC Auto and Light Truck SIERRA 1500 2007 5.3L(325) V8
GMC Auto and Light Truck SIERRA 1500 2007 6.0L(364) V8
GMC Auto and Light Truck SIERRA 1500 HD 2005 6.0L(364) V8
GMC Auto and Light Truck SIERRA 1500 HD 2006 6.0L(364) V8
GMC Auto and Light Truck SIERRA 1500 HD 2007 6.0L(364) V8
GMC Auto and Light Truck SIERRA 2500 HD 2005 6.0L(364) V8
GMC Auto and Light Truck SIERRA 2500 HD 2006 6.0L(364) V8
GMC Auto and Light Truck SIERRA 2500 HD 2007 6.0L(364) V8
GMC Auto and Light Truck SIERRA 3500 2005 6.0L(364) V8
GMC Auto and Light Truck SIERRA 3500 2006 6.0L(364) V8
GMC Auto and Light Truck SIERRA 3500 2007 6.0L(364) V8
GMC Auto and Light Truck SIERRA 3500 HD 2007 6.0L(364) V8
GMC Auto and Light Truck SIERRA DENALI 2005 6.0L(364) V8
GMC Auto and Light Truck SIERRA DENALI 2006 6.0L(364) V8
GMC Auto and Light Truck SIERRA DENALI 2007 6.0L(364) V8
HUMMER Auto and Light Truck H2 2007 6.0L(364) V8
SAAB Auto and Light Truck 9-7X 2007 5.3L
SAAB Auto and Light Truck 9-7X 2008 5.3L
SAAB Auto and Light Truck 9-7X 2009 5.3L
CHEVROLET AUTO AND LIGHT TRUCK AVALANCHE 2005 NA
CHEVROLET AUTO AND LIGHT TRUCK AVALANCHE 2006 NA
SATURN AUTO AND LIGHT TRUCK 9-7X 2007 NA
SATURN AUTO AND LIGHT TRUCK 9-7X 2008 NA
SATURN AUTO AND LIGHT TRUCK 9-7X 2009 NA
BUICK AUTO AND LIGHT TRUCK RAINIER 2007 NA
CADILLAC AUTO AND LIGHT TRUCK ESCALADE 2006 NA
CHEVROLET AUTO AND LIGHT TRUCK SILVERADO 2005 NA
CHEVROLET AUTO AND LIGHT TRUCK SILVERADO 2006 NA
CHEVROLET AUTO AND LIGHT TRUCK SILVERADO 2007 NA
CHEVROLET AUTO AND LIGHT TRUCK TRAILBLAZER 2007 NA
CHEVROLET AUTO AND LIGHT TRUCK TRAILBLAZER 2008 NA
GMC AUTO AND LIGHT TRUCK ENVOY 2007 NA
GMC AUTO AND LIGHT TRUCK ENVOY 2008 NA
GMC AUTO AND LIGHT TRUCK ENVOY 2009 NA
GMC AUTO AND LIGHT TRUCK SIERRA 2005 NA
GMC AUTO AND LIGHT TRUCK SIERRA 2006 NA
GMC AUTO AND LIGHT TRUCK SIERRA 2007 NA
HUMMER AUTO AND LIGHT TRUCK H2 2007 NA
SAAB AUTO AND LIGHT TRUCK 9-7X 2007 NA
SAAB AUTO AND LIGHT TRUCK 9-7X 2008 NA

REPLACES THESE PART NUMBERS

ARROWHEAD ADR0368
DELCO 10392759, 15200268, 15225927, 15263858, 8400026
DIXIE A-1705, A-1760
DIXIE NEW 101-14101
DUBOIS 908302
FAMILY DR44G
J&N Electrical Products 400-12247, 400-12380
LESTER 8302
NAPA POWER NEW 1N-4824
NAPA POWER PREMIUM PLUS 213-4824
PIC 240-6235, 240-6237
REMY LIGHT DUTY 22015
SAAB 15-22-5927
USA INDUSTRIES 8302
WAI 1-2555-21DR, 8302N-6G1
WILSON 90-01-4456, 90-01-4551
WILSON NEW 90-01-4456
Andrew Collins 07/01/2025

Very pleased with the performance and durability.

Lucas Bell 07/12/2024

Fast delivery and outstanding performance.

James Young 10/05/2024

Arrived quickly and performs excellently.

Laura Taylor 08/04/2024

Love the quality and the price.

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