Skip to product information
140 Amp 12V Alternator for 2005 Pontiac GTO / 2006 Pontiac GTO | Northline Parts

140 Amp 12V Alternator for Pontiac GTO 2005–2006 6.0L LS2 V8 – 92211821 / 11097

SKU: NLT2S01378
$318.79 In Stock
$318.79
Sale price  $318.79 Regular price 
Ships for free in 2–4 business days.
This 140-amp replacement alternator is designed for 2005 and 2006 Pontiac GTO coupes equipped with the 6.0L LS2 V8 engine. Replaces part number #92211821.
Estimated delivery between
Shop at Northline Parts Best Customer Service Best Online Parts

Let Northline Parts Do the Heavy Lifting for You!

Not sure which part you need? Our team can help you find the right replacement.

Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT

Live Chat: Available 24/7

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

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
  • 2005 Pontiac GTO — 6.0L LS2 V8, 140A alternator
  • 2006 Pontiac GTO — 6.0L LS2 V8, 140A alternator

Important Fitment Note: Model years and names alone do not guarantee fitment. Confirm the engine, equipment package, installation position and original part number before ordering. Any unconfirmed application is subject to original-equipment verification.

Product Overview

140 Amp 12V Alternator is a replacement component for the compatible applications listed below. Correct installation requires the original component and equipment configuration to match.

The alternator charges the battery and powers the electrical system while the LS2 engine is running. Low charging voltage, bearing noise or warning lamps can indicate a faulty alternator.

Confirm the original 140-amp alternator, electrical connector, mounting-ear spacing and pulley arrangement.

Key Features & Performance

  • Product: 140 Amp 12V Alternator.
  • Application: 2005 Pontiac GTO; 2006 Pontiac GTO
  • Fitment check: Confirm the original 140-amp alternator, electrical connector, mounting-ear spacing and pulley arrangement.

Specifications

  • Product Type: 140 Amp 12V Alternator
  • Northline Parts SKU: NLT2S01378

Installation & Fitment Notes

Confirm the original 140-amp alternator, electrical connector, mounting-ear spacing and pulley arrangement.

Compare the replacement with the original component before installation. Refer to the vehicle or equipment service instructions for correct installation procedures and safety requirements.

Frequently Asked Questions

How do I confirm this part will fit?

Model years and names alone do not guarantee fitment. Confirm the engine, equipment package, installation position and original part number before ordering. Any unconfirmed application is subject to original-equipment verification.

Is this an OEM part?

This listing is for a replacement or accessory as described, not a claim that the item is manufactured by the original vehicle maker. Any OEM numbers shown are provided for fitment identification.

Part Summary

Part: 140 Amp 12V Alternator

Applications: 2005 Pontiac GTO; 2006 Pontiac GTO

Purpose: The alternator charges the battery and powers the electrical system while the LS2 engine is running. Low charging voltage, bearing noise or warning lamps can indicate a faulty alternator.

Northline Parts SKU: NLT2S01378

Keywords: 140 Amp 12V Alternator, Pontiac GTO, Northline Parts, NLT2S01378.

Brand names and model numbers are used for identification. Verify fitment before purchase.

Customers also purchased