---
product_id: 27497166
title: "ACDelco GM Original Equipment 41-122 (12681655) Iridium Spark Plug"
brand: "acdelco"
price: "A$13"
currency: AUD
in_stock: true
reviews_count: 10
category: "Ac Delco"
url: https://www.desertcart.com.au/products/27497166-acdelco-gm-original-equipment-41-122-12681655-iridium-spark-plug
store_origin: AU
region: Australia
---

# Iridium fine-wire electrode for efficient spark Burns away carbon deposits for lasting performance One-piece suppressor seal blocks radio interference ACDelco GM Original Equipment 41-122 (12681655) Iridium Spark Plug

**Brand:** acdelco
**Price:** A$13
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with precision-engineered iridium power!

## Quick Answers

- **What is this?** ACDelco GM Original Equipment 41-122 (12681655) Iridium Spark Plug by acdelco
- **How much does it cost?** A$13 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/27497166-acdelco-gm-original-equipment-41-122-12681655-iridium-spark-plug)

## Best For

- acdelco enthusiasts

## Why This Product

- Trusted acdelco brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **OEM-Grade Quality:** Designed and rigorously tested by GM engineers specifically for Chevrolet, Buick, GMC, and Cadillac vehicles.
- • **Optimized Cold Starts:** Small, efficient electrode design ensures reliable ignition even in the coldest conditions.
- • **Precision Iridium Spark:** Experience unmatched engine idle stability and smooth acceleration with cutting-edge iridium technology.
- • **Engineered for Longevity:** Suppressor seal extends electrode life while preventing combustion leaks—built to last mile after mile.
- • **Seamless Electronic Compatibility:** Advanced suppressor seal blocks disruptive radio frequencies, protecting your vehicle’s sensitive electronics.

## Overview

The ACDelco GM Original Equipment 41-122 Iridium Spark Plug delivers superior engine performance through a fine-wire iridium electrode that enhances idle stability, accelerates cold starts, and reduces carbon buildup. Featuring a one-piece suppressor seal, it minimizes radio frequency interference and combustion leakage, ensuring long-lasting reliability. Designed and tested by GM engineers for Chevrolet, Buick, GMC, and Cadillac vehicles, this spark plug meets rigorous OEM standards for quality and durability.

## Description

ACDelco GM Original Equipment 41-122 Iridium Spark Plug

Review: They came quick and work just fine - Excellent product
Review: Still runs nice - I have replaced old Bosch plugs with this; 1000 km and car is stable and i have no problems with it; Smooth and nice, fuel consumption has dropped; Happy with the price; You get 1 instead of 4 as in the photo; another problem is that if the packaging is dent, you will need to recheck the gap; otherwise nice plugs;

## Features

- Iridium offers excellent engine idle stability and smooth performance
- Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration
- Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form
- One piece suppressor seal helps block radio frequencies that can affect vehicle electronics
- Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- Meticulously tested to be free of manufacturing defects in materials and craftsmanship

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00DU2530W |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #105,332 in Automotive ( See Top 100 in Automotive ) #664 in Automotive Replacement Spark Plugs |
| Brand | ACDelco |
| Core Material | Iridium |
| Customer Reviews | 4.4 4.4 out of 5 stars (297) |
| Date First Available | July 8, 2013 |
| Exterior | Machined |
| Is Discontinued By Manufacturer | Yes |
| Item Weight | 1.44 ounces |
| Item model number | 41-122 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 12681655 |
| Model | GM Original Equipment |
| OEM Part Number | 55585534 |
| Product Dimensions | 3.59 x 3.41 x 0.91 inches |
| Thread Size | 14mm |
| Top Material Type | Iridium |
| UPC | 808709616856 |
| Vehicle Service Type | Motorcycle |

## Product Details

- **Brand:** ACDelco
- **Core Material:** Iridium
- **Thread Size:** 14mm
- **Top Material Type:** Iridium
- **Vehicle Service Type:** Motorcycle

## Images

![ACDelco GM Original Equipment 41-122 (12681655) Iridium Spark Plug - Image 1](https://m.media-amazon.com/images/I/61VsCie41tL.jpg)
![ACDelco GM Original Equipment 41-122 (12681655) Iridium Spark Plug - Image 2](https://m.media-amazon.com/images/I/71MZd+g2YtL.jpg)
![ACDelco GM Original Equipment 41-122 (12681655) Iridium Spark Plug - Image 3](https://m.media-amazon.com/images/I/71vXIMTJvrL.jpg)

## Questions & Answers

**Q: This is suppose to be a 4 pack , why did I only receive 1??**
A: Yes this is entirely mis representation, I mean why would anyone choose to buy one for a 1$ less than a box of 4 and why would you even put the picture up with the set of 4 !!

**Q: How many sparks plugs come in one order?**
A: ONE

**Q: How many spark plugs in the box?**
A: 1

**Q: WILL THIS PLUGS FIT MY 1999 CHEVY SILVERADO 2500 LS 5.3 L**
A: If you can't find out elsewhere contact AC-Delco directly.  I used email and they confirmed my 2013 sonic used this plug.  I have my doubts about your Silverado, but go directly to the source.  It only took a couple of days for them to reply or you can contact the ACDelco support center by dialing 1-800-ACDELCO (223-3526).

## Customer Reviews

### ⭐⭐⭐⭐⭐ They came quick and work just fine
*by J***A on July 12, 2025*

Excellent product

### ⭐⭐⭐⭐⭐ Still runs nice
*by A***X on February 13, 2024*

I have replaced old Bosch plugs with this; 1000 km and car is stable and i have no problems with it; Smooth and nice, fuel consumption has dropped; Happy with the price; You get 1 instead of 4 as in the photo; another problem is that if the packaging is dent, you will need to recheck the gap; otherwise nice plugs;

### ⭐⭐⭐⭐⭐ Perfect
*by G***T on July 24, 2025*

$15 dollars cheaper then local dealership

## Frequently Bought Together

- ACDelco GM Original Equipment 41-122 Iridium Spark Plug
- GM Genuine Parts 25186687 Ignition Coil
- A-Premium Engine Valve Cover Kit Compatible with Chevy Cruze 2010-2016, Sonic 2012-2018, Trax 2013-2020, Aveo 2009-2011, Aveo5 2009-2011, L4 1.6L 1.8L, Replace # 55558673 55564395

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**Shop now:** [https://www.desertcart.com.au/products/27497166-acdelco-gm-original-equipment-41-122-12681655-iridium-spark-plug](https://www.desertcart.com.au/products/27497166-acdelco-gm-original-equipment-41-122-12681655-iridium-spark-plug)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-26*