---
product_id: 270528270
title: "NGK Spark plug 3901 Connection version M4 & center electrode nickel & ground electrode & interference suppression & 5 kOhm & with flat sealing seat Wrench width: 16 mm Long."
brand: "ngk"
price: "1313799₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/270528270-ngk-spark-plug-3901-connection-version-m4-and-center-electrode
store_origin: VN
region: Vietnam
---

# Solid copper core for max spark 5 kOhm interference suppression Zinc dipped shell resists corrosion NGK Spark plug 3901 Connection version M4 & center electrode nickel & ground electrode & interference suppression & 5 kOhm & with flat sealing seat Wrench width: 16 mm Long.

**Brand:** ngk
**Price:** 1313799₫
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with NGK’s spark plug mastery!

## Quick Answers

- **What is this?** NGK Spark plug 3901 Connection version M4 & center electrode nickel & ground electrode & interference suppression & 5 kOhm & with flat sealing seat Wrench width: 16 mm Long. by ngk
- **How much does it cost?** 1313799₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/270528270-ngk-spark-plug-3901-connection-version-m4-and-center-electrode)

## 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

- • **Noise-Free Drive:** Built-in 5 kOhm resistor suppresses interference, protecting your vehicle’s electronics and radio signals.
- • **Fouling? Not Here.:** Extended insulator nose and corrugated ribs prevent fouling and flashover, keeping your engine clean and efficient.
- • **Durability Meets Design:** Zinc dipped shell and triple gasket seal ensure long-lasting corrosion resistance and zero combustion leaks.
- • **Unmatched Ignition Power:** Solid copper core delivers a stronger, more reliable spark for peak engine performance.
- • **Precision Fit for Your Ride:** Vehicle-specific design with a 16 mm wrench width ensures easy installation and perfect compatibility.

## Overview

The NGK CPR7EA-9 spark plug features a solid copper core for enhanced ignition, a corrosion-resistant zinc dipped shell, and a 5 kOhm resistor for interference suppression. Designed with a longer insulator nose and corrugated ribs to prevent fouling and flashover, it ensures reliable, efficient engine performance. Its triple gasket seal eliminates combustion gas leaks, while the vehicle-specific fit and 16 mm wrench width make installation seamless.

## Description

User Friendly style and design, tested for function in a real world environment, a truly quality assured /performance product that was designed with the user in mind.

## Features

- Solid copper core for greater spark
- Longer insulator nose prevents fouling
- Corrugated ribs on insulator prevents flashover
- Zinc dipped shell prevents corrosion
- Triple gasket seal eliminates combustion gas leakage.Fit Type: Vehicle Specific

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | NGK |
| Brand | NGK |
| Model | NGK CPR7EA-9 |
| Product Dimensions | 12.7 x 12.7 x 3.15 cm; 20 g |
| Item model number | CPR7EA-9 |
| Exterior | Painted |
| Manufacturer Part Number | CPR7EA-9 |
| OEM Part Number | Suzuki 09482-00621 |
| Position | Rear |
| Item Weight | 20 g |

## Product Details

- **Brand:** NGK
- **Core material:** Copper
- **Thread size:** M10x1.0
- **Top material type:** Metal
- **Vehicle service type:** Motorcycle

## Images

![NGK Spark plug 3901 Connection version M4 & center electrode nickel & ground electrode & interference suppression & 5 kOhm & with flat sealing seat Wrench width: 16 mm Long. - Image 1](https://m.media-amazon.com/images/I/81CbAtj+niL.jpg)
![NGK Spark plug 3901 Connection version M4 & center electrode nickel & ground electrode & interference suppression & 5 kOhm & with flat sealing seat Wrench width: 16 mm Long. - Image 2](https://m.media-amazon.com/images/I/81-4zSWDwLL.jpg)
![NGK Spark plug 3901 Connection version M4 & center electrode nickel & ground electrode & interference suppression & 5 kOhm & with flat sealing seat Wrench width: 16 mm Long. - Image 3](https://m.media-amazon.com/images/I/612QNJr76nL.jpg)

## Questions & Answers

**Q: Can I use lmar6a-9 instead?**
A: No

**Q: First time spark plug buyer. Which model or how do I look for a better quality one?**
A: Can't go wrong with NGK.
I used to run these on my Honda CL175 and my Honda 550F in the 70'"s and currently run them in my Kawasaki Vulcan 900.
Never had a problem.

**Q: Will this fit a 2008 Kawasaki Vulcan 900?**
A: yes

**Q: Will this replace NGK D7EA?**
A: could not find the answer, suggest you go to NGK's web page and put in your model, engine size, etc. that will give you the answer.

## Frequently Bought Together

- NGK (3901) CPR7EA-9 Standard Spark Plug, Pack of 1
- 2015-2023 Kawasaki Teryx 800 Teryx4 800 OEM Full Service Kit KAW57F
- TOPREPAIR Air Filter for Kawasaki 11029-0025 Teryx4 750 800 KRT750A KRT800 KRF800

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**Shop now:** [https://www.desertcart.vn/products/270528270-ngk-spark-plug-3901-connection-version-m4-and-center-electrode](https://www.desertcart.vn/products/270528270-ngk-spark-plug-3901-connection-version-m4-and-center-electrode)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-01-27*