Duralast Gold Alternator DLG3659-8-2 - Read 1 Reviews on Duralast Gold #DLG3659-8-2

Duralast Gold Alternator

Vehicle Specific

Part Number: DLG3659-8-2
Features & Benefits

Duralast Gold alternators are engineered to provide the amp output necessary to power today’s vehicles. Every unit is 100% NEW (not remanufactured) and made with proprietary components and processes to ensure maximum life and performance.

  • Engineered to deliver amp output for power that meets or exceeds the original equipment on your vehicle
  • Every unit is built with 100% NEW components that are designed to meet the highest quality standards
  • Every unit is triple tested (component, subassembly and end of line) to ensure quality and performance
Product Details
Part Number: DLG3659-8-2
Weight: 13.50lbs
Notes: Enter your vehicle information above to see product notes.
Alternator Diameter (mm): 136mm
Alternator Fan: Internal
Alternator Mounting Brackets Included: No
Alternator Output Amperage (A): 110
Alternator Regulation: Integral
Alternator Rotation: Clockwise
Color / Finish {DO NOT USE}: Same as OEM
Housing Material: Aluminum
Package Contents: Alternator, Technical Troubleshooting Guide, Technical Support Sticker
Product Condition: New
Pulley Type / Grooves: 8 Groove S
Pulleys Included: 1
Vehicle System Voltage: 12V
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
This product may be shipped directly by the vendor to any eligible US addresses, excluding APO/FPO/DPO or US Territory addresses.
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    Duralast Gold/Alternator


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    1 review

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    2 of 2 people found this helpful

    I purchased this alternator after my 2001 f250 failed to charge my batteries. After installation, my voltage light appeared indicating that my system wasn't charging properly. I then took in my batteries to be checked and they came back bad, so I purchased two new ones. The light was still on. I tested the voltage at the alternator and the batteries while running and got between 11.8 and 12.2V. I took my alternator out of the truck and had it tested and it passed their test. Leaving me to chase wires and replace most of them trying to find the culprit. After two months my charging system almost left me on the side of the road. Took my alternator back in, and what do you know it failed. They replaced it with another unit and now the light is off and the system is working properly. I say all this to let you know that I believe the alternator was the problem the whole time and I ended up replacing parts because their tester said it was good when it wasn't charging properly. If the tester passes the unit, they cannot and will not issue you a replacement. Hope this helps someone.

    Pros: Fits 2001 f250 7.3, easy to remove/install

    Cons: Might be defective.

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