---
product_id: 48170697
title: "NGK Mountfield Lawn Mower Engine RS100 & RSC100 Spark Plug, Replacement, Part No. - NPBCPR5ES"
brand: "ngk"
price: "€ 12.67"
currency: EUR
in_stock: false
reviews_count: 8
category: "Ngk"
url: https://www.desertcart.it/products/48170697-ngk-mountfield-lawn-mower-engine-rs100-and-rsc100-spark-plug
store_origin: IT
region: Italy
---

# Exact Fit Genuine Replacement High Standards NGK Mountfield Lawn Mower Engine RS100 & RSC100 Spark Plug, Replacement, Part No. - NPBCPR5ES

**Brand:** ngk
**Price:** € 12.67
**Availability:** ❌ Out of Stock

## Summary

> 🌱 Keep Your Lawn Thriving with NGK!

## Quick Answers

- **What is this?** NGK Mountfield Lawn Mower Engine RS100 & RSC100 Spark Plug, Replacement, Part No. - NPBCPR5ES by ngk
- **How much does it cost?** € 12.67 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/48170697-ngk-mountfield-lawn-mower-engine-rs100-and-rsc100-spark-plug)

## 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

- • **Peace of Mind:** Trust in a brand that professionals rely on.
- • **Precision Fit:** Designed to fit RS100 & RSC100 models seamlessly.
- • **Durable Design:** Built to withstand the rigors of lawn care.
- • **Easy Installation:** Get back to mowing in no time with straightforward setup.
- • **Unmatched Quality:** Engineered by NGK for reliability and performance.

## Overview

The NGK Mountfield Lawn Mower Engine RS100 & RSC100 Spark Plug is a genuine replacement part designed to meet the highest manufacturing standards. This spark plug ensures optimal performance and reliability for your lawn mower, making it an essential component for maintaining a healthy lawn.

## Description

NGK Mountfield Lawn Mower Engine RS100 & RSC100 Spark Plug, Replacement, Part No. - NPBCPR5ES : desertcart.co.uk: Garden

Review: Perfect for my Mountfield - Bought to replace the sparkplug my Mountfield lawnmower (model HP 41 with the RS 100 engine) was supplied with, this NGK sparkplug is a quality item. It fitted perfectly and in the 9 months since l changed it, the lawnmower has started immediately on the first pull. Highly recommended.
Review: Good buy - good product and service

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01MDUGBUX |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand Name | NGK |
| Compatible with Vehicle Type | Lawn Mower |
| Core Material | Platinum |
| Customer Reviews | 4.5 4.5 out of 5 stars (440) |
| Manufacturer Part Number | NPBCPR5ES |
| Thread Size | 14mm |
| Top Material Type | Platinum |

## Product Details

- **Brand:** NGK
- **Core material:** Platinum
- **Thread size:** 14mm
- **Top material type:** Platinum
- **Vehicle service type:** Lawn Mower

## Images

![NGK Mountfield Lawn Mower Engine RS100 & RSC100 Spark Plug, Replacement, Part No. - NPBCPR5ES - Image 1](https://m.media-amazon.com/images/I/41SNH7akF5L.jpg)

## Questions & Answers

**Q: what are the dimensions**
A: Reach	19mm (3/4") Terminal Type	M4 Thread Diameter 14mm  Seal Type	Gasket SeatElectrode Material	Standard NickelProjection Type	ProjectedPack Size	1 Single UnitResistor	YesTip Configuration	Single Electrode
Hex Spanner Size	20.8mm (13/16")              Hope this helps

**Q: What is the spark plug gap for Mountfield Rs 100 engine**
A: 0.6-0.8mm

**Q: Will this fit a mountfield sp535 petrol lawnmower**
A: I am pretty sure that these spark plugs are correct for this engine

**Q: Is this the right spark plug for a mountfield EP414 ? .**
A: Yes

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for my Mountfield
*by D***T on 16 July 2024*

Bought to replace the sparkplug my Mountfield lawnmower (model HP 41 with the RS 100 engine) was supplied with, this NGK sparkplug is a quality item. It fitted perfectly and in the 9 months since l changed it, the lawnmower has started immediately on the first pull. Highly recommended.

### ⭐⭐⭐⭐⭐ Good buy
*by P***N on 28 April 2025*

good product and service

### ⭐⭐⭐⭐ Genuine part
*by P***W on 1 September 2020*

The item arrived in good time and is a genuine replacement, works well

## Frequently Bought Together

- NGK Mountfield Lawn Mower Engine RS100 & RSC100 Spark Plug, Replacement, Part No. - NPBCPR5ES
- Mountfield RS100 Air Filter Sponge 118550704/0 Found on SP414 and HP414
- Genuine Mountfield RS100 Fuel Line 118550716/0 HP414, SP414 SP164 SP46 S421PD

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**Shop now:** [https://www.desertcart.it/products/48170697-ngk-mountfield-lawn-mower-engine-rs100-and-rsc100-spark-plug](https://www.desertcart.it/products/48170697-ngk-mountfield-lawn-mower-engine-rs100-and-rsc100-spark-plug)

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-05-12*