---
product_id: 165151842
title: "6578 Spark Plugs (BPR4ES) - Pack of 2, Copper"
brand: "ngk"
price: "€ 26.27"
currency: EUR
in_stock: true
reviews_count: 9
category: "Ngk"
url: https://www.desertcart.sk/products/165151842-6578-spark-plugs-bpr4es-pack-of-2-copper
store_origin: SK
region: Slovakia
---

# Corrugated ribs prevent flashover Copper core for superior heat dissipation Trivalent metal plating for corrosion resistance 6578 Spark Plugs (BPR4ES) - Pack of 2, Copper

**Brand:** ngk
**Price:** € 26.27
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your engine’s potential with NGK’s pro-grade spark plugs!

## Quick Answers

- **What is this?** 6578 Spark Plugs (BPR4ES) - Pack of 2, Copper by ngk
- **How much does it cost?** € 26.27 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/165151842-6578-spark-plugs-bpr4es-pack-of-2-copper)

## Best For

- ngk enthusiasts

## Why This Product

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

## Key Features

- • **Flashover Protection:** Innovative corrugated ribs eliminate flashover risks, guaranteeing consistent ignition every time.
- • **Unmatched Durability:** Trivalent metal plating ensures long-lasting anti-corrosion and anti-seizing performance, keeping your engine firing flawlessly.
- • **Trusted by Professionals:** Ranked #8 in Automotive Replacement Spark Plugs with a 4.8-star rating from over 2,500 reviews—join the savvy drivers upgrading their ride.
- • **Optimized Heat Management:** Copper core design rapidly removes heat, preventing overheating and extending spark plug life.
- • **Superior Insulation Strength:** Pure alumina silicate ceramic insulator delivers exceptional strength and efficient heat transfer for peak engine performance.

## Overview

The NGK 6578 Spark Plugs (BPR4ES) pack of 2 features advanced trivalent metal plating for corrosion resistance, a copper core for superior heat dissipation, and corrugated ribs to prevent flashover. Designed with a pure alumina silicate ceramic insulator, these plugs deliver enhanced strength and heat transfer, ensuring reliable ignition and extended engine life. Highly rated and vehicle-specific, they offer a cost-effective upgrade trusted by thousands of drivers.

## Description

Genuine 2 pack NGK Standard 6578 Spark Plug

Review: NGK for the WIN! - Great quality and nice tune up. Nice price for pair.
Review: Fit John Deere X370 - Needed replacement plugs for our X370 and these are the non -JD OEM plugs. Cheaper and worked without issue.

## Features

- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Corrugated ribs prevent flashover
- Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
- Copper core aids in heat removal

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07CCGGMNZ |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #2,782 in Automotive ( See Top 100 in Automotive ) #8 in Automotive Replacement Spark Plugs |
| Brand | NGK |
| Core Material | Copper |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,561) |
| Date First Available | April 13, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 4.2 ounces |
| Item model number | 6578 |
| Manufacturer | NGK |
| Manufacturer Part Number | 6578 |
| Model | 2 pack NGK Standard 6578 Spark Plug |
| Position | Front, Rear |
| Product Dimensions | 3.31 x 0.94 x 1.66 inches |
| Thread Size | 12mm x 1.25mm |
| Top Material Type | Metal |
| UPC | 087295465783 |
| Vehicle Service Type | Car, Truck |

## Product Details

- **Brand:** NGK
- **Core Material:** Copper
- **Thread Size:** 12mm x 1.25mm
- **Top Material Type:** Metal
- **Vehicle Service Type:** Car, Truck

## Images

![6578 Spark Plugs (BPR4ES) - Pack of 2, Copper - Image 1](https://m.media-amazon.com/images/I/71qWY1Fu8CL.jpg)

## Questions & Answers

**Q: is this a qty. 2 plugs for $10.99 ?**
A: NGK 6578 Spark Plugs (BPR4ES) - Pack of 2

**Q: will these plugs fit a fr730v kawasaki engine?????**
A: Yes I used these on my Toro Timecutter mower with the same Kawasaki engine.  They work fine.

**Q: Will this plug fit my Husqvarna Z254F 54 inch zero turn**
A: Check reference books in auto shop or dept. for specifics accompanied to what your whip manual lists.

**Q: Is the spark plug pre-gapped  or do I need to do it?**
A: They're gapped at about .032"...my application calls for .030", so I adjusted them.

## Customer Reviews

### ⭐⭐⭐⭐⭐ NGK for the WIN!
*by T***L on January 16, 2026*

Great quality and nice tune up. Nice price for pair.

### ⭐⭐⭐⭐⭐ Fit John Deere X370
*by S***C on November 14, 2025*

Needed replacement plugs for our X370 and these are the non -JD OEM plugs. Cheaper and worked without issue.

### ⭐⭐⭐⭐⭐ Quality plug
*by D***N on January 20, 2026*

Fixed the issue with getting the mower started. Always starts even I cold weather. Excellent plug. When needed will buy for sure without hesitation

## Frequently Bought Together

- NGK 6578 Spark Plugs (BPR4ES) - Pack of 2, Copper
- Kawasaki 49065-0721 Oil Filter Replaces 49065-7007 (2 Pack)
- OEM 11013-0752 Air Filter for Kawasaki FR651V FR691V FR730V FS481V FS541V FS600V FS651 Part

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sk/products/165151842-6578-spark-plugs-bpr4es-pack-of-2-copper](https://www.desertcart.sk/products/165151842-6578-spark-plugs-bpr4es-pack-of-2-copper)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-05*