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155A alternator for select Buick, Cadillac, Chevrolet and GMC vehicles equipped with the matching 3.6L V6 charging system - product image 1 - Northline Parts

Alternator for Buick Regal Cadillac XT5 Chevy GMC V6 3.6L 155A 12V CW 6-Groove

SKU: NLT2S00617
$296.79 In Stock
$296.79
Sale price  $296.79 Regular price 
Ships for free in 2–4 business days.
This 155A alternator is for select Buick, Cadillac, Chevrolet and GMC vehicles equipped with the matching 3.6L V6 charging system. It supplies electrical power at idle and while driving and recharges the battery.
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
  • Buick Regal 3.6L variants, where equipped
  • Cadillac XT5 3.6L variants, where equipped
  • Chevrolet/GMC 3.6L vehicles using identical alternator configuration

Product Overview

The 155A alternator supplies electrical power at idle and while driving and recharges the battery. Poor charging, bearing noise or warning lights can require alternator testing.

Do not assume all 3.6L GM vehicles share this unit; match 155A, 12V, six-groove pulley, connector and mounting layout.

Key Features & Performance

  • 155A alternator for the application described above
  • Supplies electrical power at idle and while driving and recharges the battery
  • Do not assume all 3.6L GM vehicles share this unit; match 155A, 12V, six-groove pulley, connector and mounting layout.

What Is Included

1 component or assembly as pictured. Verify included accessories, gaskets and fasteners against the product photos.

Fitment Notes

Do not assume all 3.6L GM vehicles share this unit; match 155A, 12V, six-groove pulley, connector and mounting layout.

Frequently Asked Questions

When should this part be replaced? Poor charging, bearing noise or warning lights can require alternator testing.

Is this a genuine OEM part? No. This listing describes an aftermarket replacement or accessory unless explicitly identified as genuine OEM. Manufacturer names and OE numbers identify the intended application.

How do I verify fitment? Do not assume all 3.6L GM vehicles share this unit; match 155A, 12V, six-groove pulley, connector and mounting layout.

Part Summary

Keywords: 155A alternator, Buick Regal 3.6L variants, where equipped, Cadillac XT5 3.6L variants, where equipped, Chevrolet/GMC 3.6L vehicles using identical alternator configuration.

Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.

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