---
product_id: 26508843
title: "ACDelco Gold 21 (19323046) RAPIDFIRE Spark Plug"
brand: "acdelco"
price: "HK$85"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/26508843-acdelco-gold-21-19323046-rapidfire-spark-plug
store_origin: HK
region: Hong Kong
---

# Rapid spark energy regulation Solid state suppressor reduces interference Pure copper core for max heat transfer ACDelco Gold 21 (19323046) RAPIDFIRE Spark Plug

**Brand:** acdelco
**Price:** HK$85
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with precision and power!

## Quick Answers

- **What is this?** ACDelco Gold 21 (19323046) RAPIDFIRE Spark Plug by acdelco
- **How much does it cost?** HK$85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/26508843-acdelco-gold-21-19323046-rapidfire-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

- • **Durability Engineered:** Pure copper core maximizes heat transfer, enhancing plug longevity under high combustion pressures.
- • **Optimized Seal Design:** Ribless insulator improves plug-to-boot seal, preventing misfires and ensuring peak engine efficiency.
- • **Interference-Free Drive:** Solid state suppressor with glass and brass seal minimizes radio frequency interference for smooth operation.
- • **Precision Spark Control:** Regulates spark energy for longer electrode life and consistent ignition performance.
- • **Universal Fit, OEM Quality:** Manufactured to exact GM specs, fitting most makes and models with professional-grade reliability.

## Overview

The ACDelco Gold 21 RAPIDFIRE Spark Plug is a premium aftermarket replacement designed to meet or exceed OEM standards. Featuring a pure copper core for superior heat transfer, a platinum center electrode for efficient spark delivery, and a solid state suppressor to reduce radio frequency interference, it ensures reliable ignition and extended electrode life. Engineered for universal fit across many vehicles, it delivers professional-grade performance and durability backed by General Motors.

## Description

ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

## Features

- Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
- Pure copper core provides great heat transfer and helps maximize plug durability
- Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
- Ribless insulator helps optimize plug to boot seal
- Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
- Premium aftermarket replacement part
- Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | ACDelco |
| Core Material | Copper |
| Thread Size | 14mm |
| Top Material Type | Nickel |
| Vehicle Service Type | UTV |
| Automotive Fit Type | Universal Fit |
| UPC | 808709306566 |
| OEM Part Number | 19323046 |
| Manufacturer | ACDelco |
| Item Weight | 1.6 ounces |
| Product Dimensions | 3.5 x 1 x 1 inches |
| Item model number | 21 |
| Manufacturer Part Number | 19323046 |

## Product Details

- **Brand:** ACDelco
- **Core Material:** Copper
- **Thread Size:** 14mm
- **Top Material Type:** Nickel
- **Vehicle Service Type:** UTV

## Images

![ACDelco Gold 21 (19323046) RAPIDFIRE Spark Plug - Image 1](https://m.media-amazon.com/images/I/714PDepxbZL.jpg)
![ACDelco Gold 21 (19323046) RAPIDFIRE Spark Plug - Image 2](https://m.media-amazon.com/images/I/61XhKVoCmCL.jpg)
![ACDelco Gold 21 (19323046) RAPIDFIRE Spark Plug - Image 3](https://m.media-amazon.com/images/I/71oehdHsvBL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.hk/products/26508843-acdelco-gold-21-19323046-rapidfire-spark-plug](https://www.desertcart.hk/products/26508843-acdelco-gold-21-19323046-rapidfire-spark-plug)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-23*