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Dorman 645-136 Alternator Connector 3 Wire, Black

4.5 4.5 out of 5 stars 313 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
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Purchase options and add-ons

Color Black
Connector Type Quick Disconnect
Brand Dorman
Temperature Rating 221 degree fahrenheit
Product Dimensions 3"L x 3"W x 2"H

About this item

  • Professional appearance - this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution - this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction - this pigtail connector features weatherproof seals and a locking tab for a reliable connection
  • Versatile component - this connector can be used in a variety of repairs and custom installations
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
  • Suitable for 3-wire configurations
  • Direct replacement connector

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From the brand


From the manufacturer

Dorman's global headquarters is located in Colmar, Pennsylvania, USA.

Dorman is a leading auto parts manufacturer founded in the United States and headquartered in Colmar, Pennsylvania.

Dorman was one of the first companies to deliver replacement aftermarket auto parts.

Our story began with the first mass market automobile. We were one of the first companies to deliver replacement products for the automotive aftermarket, and we remain at the forefront today.

Dorman releases thousands of products made to save people time, money and effort on repairs.

We give repair professionals and vehicle owners greater freedom to fix cars and trucks by focusing on solutions that save time and money and increase convenience and reliability.

Dorman gives people greater freedom to fix cars and trucks by focusing on new solutions first.

Our team is constantly looking for problems to solve and turning them into new product ideas. Some solutions, like our OE FIX products, you can't even get from original vehicle manufacturers.

Dorman has tens of thousands auto repair solutions and releases new parts every month.

We offer an always-evolving catalog of parts, covering both light duty and heavy duty vehicles, from chassis to body, from underhood to undercar, and from hardware to complex electronics.

Product Description

Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Dorman 645-136 Alternator Connector 3 Wire, Black


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What's in the box

  • Automotive Accessories; Lighting/Electrical; automotive-electrical-sockets
  • Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    313 global ratings

    Customers say

    Customers like the quality, performance, and ease of installation of the electronic component terminal. For example, they mention it's well built, works excellent, and is easy to install. Opinions are mixed on fit.

    AI-generated from the text of customer reviews

    10 customers mention10 positive0 negative

    Customers are satisfied with the quality of the electronic component terminal. They mention it's well built, and of high quality.

    "I like the quality of the part and the price compared to local retail. A much when replacing an electric component of modern day vehicles...." Read more

    "Haven't installed yet but seems a very good quality dorman always has a good product" Read more

    "Worked excellent. Easy to install and well built." Read more

    "Nice product,price was hi." Read more

    6 customers mention6 positive0 negative

    Customers are satisfied with the performance of the electronic component terminal. They mention that it works excellent, is easy to install, and well built. Some customers also mention that the wires and installation went smoothly.

    "No issues, attached the wires and installed, no issues." Read more

    "It works perfectly, and now my car is changing. It comes with plenty of extra wire to make the job easy." Read more

    "Worked excellent. Easy to install and well built." Read more

    "WORKED LIKE A CHARM!" Read more

    3 customers mention3 positive0 negative

    Customers find the electronic component terminal easy to install.

    "The connector was easy to install and came with heat shrink butt connectors." Read more

    "Worked excellent. Easy to install and well built." Read more

    "Easy to install" Read more

    8 customers mention5 positive3 negative

    Customers are mixed about the fit of the electronic component terminal. Some mention that it fits great and holds it in place just fine, while others say that it doesn't fit the alternator and has the wrong plug.

    "...Reconnected everything and the fault was gone. Perfect fit. Photos show the new connector on the left and the original on the right...." Read more

    "...It was not the correct fit/shape for my alternator." Read more

    "...The connector pins are nice and tight and they seem to hold it in place just fine." Read more

    "Perfect fit..." Read more

    Fixed My 2005 F150 Alternator
    5 Stars
    Fixed My 2005 F150 Alternator
    I started having a battery light on my 2005 F150 FTX and I thought it may be the alternator, but it was only a couple years old and had recently been tested as okay. I read about this connector sometimes going bad so for less than $20, it was a no brainer to try first. I ordered the part first and when it came in I began taking apart the wiring harness on the alternator. An inch or so under the harness sheath, I found a small pin hole in the wire and sure enough, the wire had corroded completely through. I installed the new connector with the included butt splices and added adhesive heat shrink around the splices. Reconnected everything and the fault was gone. Perfect fit. Photos show the new connector on the left and the original on the right. The box said it was for a blower motor, but it fit my truck’s alternator perfectly.
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    Top reviews from the United States

    Reviewed in the United States on September 16, 2023
    One person found this helpful
    Report
    Reviewed in the United States on June 7, 2022
    Reviewed in the United States on March 29, 2022
    Reviewed in the United States on March 14, 2022
    2 people found this helpful
    Report
    Reviewed in the United States on July 2, 2019
    Customer image
    5.0 out of 5 stars Fixed My 2005 F150 Alternator
    Reviewed in the United States on July 2, 2019
    I started having a battery light on my 2005 F150 FTX and I thought it may be the alternator, but it was only a couple years old and had recently been tested as okay. I read about this connector sometimes going bad so for less than $20, it was a no brainer to try first. I ordered the part first and when it came in I began taking apart the wiring harness on the alternator. An inch or so under the harness sheath, I found a small pin hole in the wire and sure enough, the wire had corroded completely through. I installed the new connector with the included butt splices and added adhesive heat shrink around the splices. Reconnected everything and the fault was gone. Perfect fit. Photos show the new connector on the left and the original on the right. The box said it was for a blower motor, but it fit my truck’s alternator perfectly.
    Images in this review
    Customer image Customer image Customer image
    Customer imageCustomer imageCustomer image
    14 people found this helpful
    Report
    Reviewed in the United States on May 24, 2023
    Reviewed in the United States on September 25, 2021
    2 people found this helpful
    Report
    Reviewed in the United States on December 9, 2022

    Top reviews from other countries

    Dylan C.
    2.0 out of 5 stars Still having connection problems.
    Reviewed in Canada on April 16, 2023