---
product_id: 15790844
title: "9G (12639701) Glow Plug (Pack of 1)"
brand: "gm genuine parts"
price: "160.52 DT"
currency: TND
in_stock: true
category: "Gm Genuine Parts"
url: https://www.desertcart.tn/products/15790844-9g-12639701-glow-plug-pack-of-1
store_origin: TN
region: Tunisia
---

# Range of 21-40 mm reach Self-regulating heat control OE-grade copper core 9G (12639701) Glow Plug (Pack of 1)

**Brand:** gm genuine parts
**Price:** 160.52 DT
**Availability:** ✅ In Stock

## Summary

> 🔥 Ignite your diesel’s power with GM Genuine Parts Glow Plugs – start smarter, drive stronger!

## Quick Answers

- **What is this?** 9G (12639701) Glow Plug (Pack of 1) by gm genuine parts
- **How much does it cost?** 160.52 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/15790844-9g-12639701-glow-plug-pack-of-1)

## Best For

- gm genuine parts enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Fit Range:** Available in multiple reach lengths (21-40 mm) to perfectly match diverse engine chambers.
- • **Long-Term Confidence:** 24-month unlimited mile warranty ensures durability and peace of mind on every drive.
- • **OEM-Backed Reliability:** Engineered and validated by GM for guaranteed fit, form, and function on your truck.
- • **Smart Thermal Regulation:** Self-regulating coil prevents overheating by controlling electrical flow dynamically.
- • **Precision Cold-Start Ignition:** Delivers optimal heat for instant diesel engine starts, even in freezing temps.

## Overview

GM Genuine Parts 9G Glow Plug (12639701) is a premium, copper-core diesel engine glow plug designed for cold starts. Featuring a self-regulating coil to prevent overheating and available in multiple reach sizes (21-40 mm), it ensures precise fit and optimal ignition performance. Backed by GM’s OE standards and a 24-month unlimited mile warranty, it’s the trusted choice for professional-grade diesel engine reliability.

## Description

GM Genuine Parts Glow Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco Professional Glow Plugs are specially designed to give diesel engines the heat they need for cold starts, and are a high quality replacement for many vehicles on the road today. They maintain ignition in all cylinders, optimizing throttle response. These premium aftermarket replacement glow plugs are manufactured to meet or exceed your expectations for fit, form, and function. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

## Features

- Designed to give diesel engines the heat they need for cold starts
- GN-type regulating coil
- Self-regulating to control electrical flow from the battery as temperatures rise to avoid overheating
- Full range of reaches - from 21 mm to 40 mm - to meet chamber requirements in a wide variety of applications

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00496LXJ8 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #11,826 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Ignition Glow Plugs |
| Brand | GM GENUINE PARTS |
| Brand Name | GM GENUINE PARTS |
| Compatible with Vehicle Type | Truck |
| Core Material | Copper |
| Customer Reviews | 4.6 out of 5 stars 1,755 Reviews |
| Global Trade Identification Number | 00707773990704 |
| Included Components | Auto Part |
| Item Type Name | Automotive Part |
| Item Weight | 1.44 ounces |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 12639701 |
| Manufacturer Warranty Description | 24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
| Model Number | 12639701 |
| Number of Items | 1 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | 12639701 |
| Thread Size | 10 millimeters |
| Top Material Type | Metal |
| UPC | 707773990704 |
| Unit Count | 1 Count |
| Vehicle Service Type | Truck |

## Product Details

- **Brand:** GM GENUINE PARTS
- **Core Material:** Copper
- **Thread Size:** 10 millimeters
- **Top Material Type:** Metal
- **Vehicle Service Type:** Truck

## Images

![9G (12639701) Glow Plug (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/51xkwWqxTUL.jpg)

## Questions & Answers

**Q: is this the right glow plug for replacement of a 97364968 unit?**
A: These are glowplugs for a 6.6L Duramax.

**Q: What's the difference between the 61g and the 9g glow plugs? Which is better?**
A: 9G IS THE NEW NUMBER

**Q: can these plugs work in a 2005 nissan urvan jn1lg4e25z0702191?**
A: These plugs do not admit a spark like a spark plug. They are for Diesel engines only.

**Q: Will these fit 2012 lml duramax**
A: yes. I used it in a 2008 Duramax engine and it works perfectly

## Frequently Bought Together

- GM Parts GM Genuine Parts 9G Glow Plug (Pack of 1)
- GM Parts GM Genuine Parts TP3018 (19431541) Fuel Filter Kit
- ACDelco GM Original Equipment PF2232 Engine Oil Filter

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-10-03*