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

30-DAY RETURN POLICY

If your order arrives and it’s not exactly what you want, you may return it within 30 days for a refund. We know that people sometimes order a part and then discover it’s not exactly the one they need for the repair. We understand and want to work with you. Just make sure the item is in its original packaging and in good condition free of damage.

When a returned product comes back to us, we’ll check it over to make sure it’s in ‘Like New’ condition and free from damage such as dents, scratches, cracks, abuse, defacement or indication of removed screws/fasteners or seals. Return processing may take up to 5 business days from the time your product is received by DB Electrical.

To return a product, simply click here to start the process.

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  • Every part is manufactured to OEM specifications for perfect fit and performance
  • In-stock items shipped same day when ordered by 4 pm Eastern time Monday to Friday
  • Serving mechanics and do-it-yourselfers in all 50 U.S. States plus around the globe
  • Pledge of total customer satisfaction is backed with a 1-year warranty
  • Critical Note: Any High Amp Upgrade Needs to Be Professionally Installed, With Special Attention Paid to the Size of the Load Carrying Cables, Battery Condition, and Clean Connections
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  • Product Info
  • Applications List
  • Part Replacement List
  • Policy Information
  • Reviews

Overview

DB Electrical Alternators
DB Electrical 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 DB Electrical alternators, you’ll get …

  • Superior Quality Every Time – Our aftermarket alternators deliver performance that’s equivalent to the original.
  • Direct-Fit OEM Replacement Parts – DB Electrical 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 DB Electrical for your next alternator:

  • Built to Take the Heat – Most DB Electrical 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 DB Electrical Advantage – 1-Year Warranty
DB Electrical 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 DB Electrical

Product Specs

Item ConditionAftermarket Part
Critical NoteAny High Amp Upgrade Needs to Be Professionally Installed, With Special Attention Paid to the Size of the Load Carrying Cables, Battery Condition, and Clean Connections
FamilyDelco DR44G
Volt12
Amps250
ConditionNew
Regulator Clock2:00
Quality TypeHigh Output Standard
Mount Hole ID 110mm
Mount Hole 1 TypeUnthreaded
Mount Hole 2 TypeUnthreaded
Mounting Ear Thickness2"
Mounting Ear Thickness50.800mm
Mounting Ear 2 Thickness2"
Mounting Ear 2 Thickness50.800mm
Fan LocationInternal
Regulator LocationInternal
Terminal ID 2B+
Terminal 2 SizeM6x1.00
Terminal ID 3F
Terminal 3 SizeSpade
Terminal ID 4L
Terminal 4 SizeSpade
PolarityNegative
Number of Grooves6
Groove OD1.921"
Groove OD48.800mm
Pulley TypeSolid
Pulley Outer Diameter2.126"
Pulley Outer Diameter54mm
Warranty1 Year

Applications List

Select Make & Type
MAKE TYPE MODEL YEAR ENGINE
BUICKAuto and Light TruckRAINIER20075.3L(325) V8
CADILLACAuto and Light TruckESCALADE20066.0L(364) V8
CADILLACAuto and Light TruckESCALADE ESV20066.0L(364) V8
CADILLACAuto and Light TruckESCALADE EXT20066.0L(364) V8
CHEVROLETAuto and Light TruckAVALANCHE 150020055.3L(325) V8
CHEVROLETAuto and Light TruckAVALANCHE 150020065.3L(325) V8
CHEVROLETAuto and Light TruckSILVERADO 150020054.3L(262) V6
CHEVROLETAuto and Light TruckSILVERADO 150020054.8L(294) V8
CHEVROLETAuto and Light TruckSILVERADO 150020055.3L(325) V8
CHEVROLETAuto and Light TruckSILVERADO 150020056.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 150020064.3L(262) V6
CHEVROLETAuto and Light TruckSILVERADO 150020064.8L(294) V8
CHEVROLETAuto and Light TruckSILVERADO 150020065.3L(325) V8
CHEVROLETAuto and Light TruckSILVERADO 150020066.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 150020074.3L(262) V6
CHEVROLETAuto and Light TruckSILVERADO 150020074.8L(294) V8
CHEVROLETAuto and Light TruckSILVERADO 150020075.3L(325) V8
CHEVROLETAuto and Light TruckSILVERADO 150020076.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 1500 HD20056.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 1500 HD20066.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 1500 HD20076.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 2500 HD20056.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 2500 HD20066.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 2500 HD20076.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 350020056.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 350020066.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 350020076.0L(364) V8
CHEVROLETAuto and Light TruckSILVERADO 3500 HD20076.0L(364) V8
CHEVROLETAuto and Light TruckTRAILBLAZER20075.3L(325) V8
CHEVROLETAuto and Light TruckTRAILBLAZER20085.3L(325) V8
GMCAuto and Light TruckENVOY20075.3L(325) V8
GMCAuto and Light TruckENVOY20085.3L(325) V8
GMCAuto and Light TruckENVOY20095.3L(325) V8
GMCAuto and Light TruckSIERRA 150020054.3L(262) V6
GMCAuto and Light TruckSIERRA 150020054.8L(294) V8
GMCAuto and Light TruckSIERRA 150020055.3L(325) V8
GMCAuto and Light TruckSIERRA 150020064.3L(262) V6
GMCAuto and Light TruckSIERRA 150020064.8L(294) V8
GMCAuto and Light TruckSIERRA 150020065.3L(325) V8
GMCAuto and Light TruckSIERRA 150020066.0L(364) V8
GMCAuto and Light TruckSIERRA 150020074.3L(262) V6
GMCAuto and Light TruckSIERRA 150020074.8L(294) V8
GMCAuto and Light TruckSIERRA 150020075.3L(325) V8
GMCAuto and Light TruckSIERRA 150020076.0L(364) V8
GMCAuto and Light TruckSIERRA 1500 HD20056.0L(364) V8
GMCAuto and Light TruckSIERRA 1500 HD20066.0L(364) V8
GMCAuto and Light TruckSIERRA 1500 HD20076.0L(364) V8
GMCAuto and Light TruckSIERRA 2500 HD20056.0L(364) V8
GMCAuto and Light TruckSIERRA 2500 HD20066.0L(364) V8
GMCAuto and Light TruckSIERRA 2500 HD20076.0L(364) V8
GMCAuto and Light TruckSIERRA 350020056.0L(364) V8
GMCAuto and Light TruckSIERRA 350020066.0L(364) V8
GMCAuto and Light TruckSIERRA 350020076.0L(364) V8
GMCAuto and Light TruckSIERRA 3500 HD20076.0L(364) V8
GMCAuto and Light TruckSIERRA DENALI20056.0L(364) V8
GMCAuto and Light TruckSIERRA DENALI20066.0L(364) V8
GMCAuto and Light TruckSIERRA DENALI20076.0L(364) V8
HUMMERAuto and Light TruckH220076.0L(364) V8
SAABAuto and Light Truck9-7X20075.3L
SAABAuto and Light Truck9-7X20085.3L
SAABAuto and Light Truck9-7X20095.3L

Replaces These Part Numbers

ARROWHEADADR0368
DELCO10392759, 15200268, 15225927, 15263858, 8400026
DIXIEA-1705, A-1760
DIXIE NEW101-14101
DUBOIS908302
FAMILYDR44G
J&N Electrical Products400-12247, 400-12380
LESTER8302
NAPA POWER NEW1N-4824
NAPA POWER PREMIUM PLUS213-4824
PIC240-6235, 240-6237
REMY LIGHT DUTY22015
SAAB15-22-5927
USA INDUSTRIES8302
WAI1-2555-21DR, 8302N-6G1
WILSON90-01-4456, 90-01-4551
WILSON NEW90-01-4456

Customer Reviews

WARNING: California’s Proposition 65

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