---
product_id: 144854730
title: "GM Original Equipment 41-156 Iridium Spark Plug"
brand: "acdelco"
price: "$29.30"
currency: USD
in_stock: true
reviews_count: 12
category: "Ac Delco"
url: https://www.desertcart.ec/products/144854730-gm-original-equipment-41-156-iridium-spark-plug
store_origin: EC
region: Ecuador
---

# Iridium core for max durability Enhanced cold start & acceleration Exact OE fit for GM vehicles GM Original Equipment 41-156 Iridium Spark Plug

**Brand:** acdelco
**Price:** $29.30
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with GM’s iridium precision spark plugs!

## Quick Answers

- **What is this?** GM Original Equipment 41-156 Iridium Spark Plug by acdelco
- **How much does it cost?** $29.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/144854730-gm-original-equipment-41-156-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-Validated Fit & Finish:** Designed and tested by GM engineers to perfectly match your Chevrolet, Buick, GMC, or Cadillac.
- • **Optimized Ignition Stability:** Delivers smooth idling, reliable cold starts, and quick acceleration every time.
- • **Trusted GM Backing & Quality:** Original Equipment part ensuring peak performance and peace of mind.
- • **Precision Engineered Iridium Core:** High melting point and superior wear resistance for long-lasting performance.
- • **Advanced Suppressor Seal Technology:** Blocks radio frequency interference and prevents combustion leakage for flawless operation.

## Overview

The ACDelco GM Original Equipment 41-156 Iridium Spark Plug is a premium, vehicle-specific ignition component engineered with iridium for exceptional durability and performance. Backed by General Motors, it ensures exact OEM fit, superior cold start reliability, smooth acceleration, and advanced suppression of electronic interference—making it the smart upgrade for GM vehicle owners who demand lasting quality and flawless engine operation.

## Description

ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are our latest in spark plug technology and an exact replacement for your vehicleÆs original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional. WARNING: CA Prop 65 - Cancer and Reproductive Harm

Review: 👍🏽 - Quality product, fast shipping and satisfied customer!
Review: Works - This is the original equipment used. They work as intended.

## Features

- Iridium is the latest in spark plug technology and is an exact replacement for vehicles original components
- Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability
- Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance
- Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics
- 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071HPXS56 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #13,362 in Automotive ( See Top 100 in Automotive ) #56 in Automotive Replacement Spark Plugs |
| Brand | ACDelco |
| Core Material | Iridium |
| Customer Reviews | 4.4 4.4 out of 5 stars (573) |
| Date First Available | May 12, 2017 |
| Exterior | Machined |
| Global Trade Identification Number | 40808709663247 |
| Item Weight | 1.13 ounces |
| Item model number | 41-156 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 41-156 |
| Model | GM Original Equipment |
| OEM Part Number | 12683541 |
| Product Dimensions | 3.7 x 3.2 x 0.8 inches |
| Thread Size | M14x1.25 |
| Top Material Type | iridium |
| UPC | 808709663249 |
| Vehicle Service Type | Motorcycle |

## Product Details

- **Brand:** ACDelco
- **Core Material:** Iridium
- **Thread Size:** M14x1.25
- **Top Material Type:** iridium
- **Vehicle Service Type:** Motorcycle

## Images

![GM Original Equipment 41-156 Iridium Spark Plug - Image 1](https://m.media-amazon.com/images/I/5123vnw9TfL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 👍🏽
*by S***S on February 12, 2026*

Quality product, fast shipping and satisfied customer!

### ⭐⭐⭐⭐⭐ Works
*by B***L on January 3, 2026*

This is the original equipment used. They work as intended.

### ⭐⭐⭐⭐⭐ Best price
*by M***L on February 19, 2026*

Amazon price $12.50 each excellent price. Very easy to install and they come pre gapped

## Frequently Bought Together

- ACDelco GM Original Equipment 41-156 Iridium Spark Plug
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- ACDelco GM Original Equipment A3202C Air Filter

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**Shop now:** [https://www.desertcart.ec/products/144854730-gm-original-equipment-41-156-iridium-spark-plug](https://www.desertcart.ec/products/144854730-gm-original-equipment-41-156-iridium-spark-plug)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-03-03*