T-Spec GM Post Long Battery Terminal

Long side-mount battery terminal

Item #: 120GML

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1 Review

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Solid brass terminal

Replace your vehicle's side-mount battery post with this terminal from T-Spec. The longer length of this post allows you to use the terminal for all of your vehicle's factory wiring plus multiple ring terminals for audio components. This heavy-duty black nickel-plated brass post can be used on either positive or negative battery terminals. Warranty: 1 year.

T-Spec GM Post Long Battery Terminal Reviews

Average Customer Review:

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Nice product

Written By powell0329, West Virginia on Sunday, March 16, 2014

Crutchfield Customer Review (What's this?)

Works awesome

Pros: Helps to make installing additional power wires a snap and you don't have to take the entire battery terminal out to make changes

Cons: None

Hands-on research

What's in the box?

Download owner's manual

  • GM battery side post (long)
  • Screw insert

Product Research


GM Post (Extended Length): This package contains a T-Spec GM side post battery terminal (extended length). The solid brass terminal has a flat-black finish.


  • Overall Dimensions:
    • Length: 1.905"
    • Diameter: 0.75"
  • Side Post Mount:
    • Length: 1.705"
    • Diameter: 0.75"
    • Thread Size: 3/8"D x 0.875"L
  • Screw Insert:
    • Length: 0.755"
    • Diameter: 0.545"
    • Thread Size: 5/16"D x 0.5"L

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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