---
product_id: 60951945
title: "Mountfield RS100 Sponge Air Filter & Plug Service Kit 118550704/0 SP414 & HP414"
brand: "grace nnvg"
price: "103.62 DT"
currency: TND
in_stock: true
reviews_count: 8
category: "Grace Nnvg"
url: https://www.desertcart.tn/products/60951945-mountfield-rs100-sponge-air-filter-and-plug-service-kit-118550704
store_origin: TN
region: Tunisia
---

# Optimized engine airflow Performance-grade part OEM exact fit Mountfield RS100 Sponge Air Filter & Plug Service Kit 118550704/0 SP414 & HP414

**Brand:** grace nnvg
**Price:** 103.62 DT
**Availability:** ✅ In Stock

## Summary

> 🌟 Keep your mower running like new — don’t let your lawn fall behind!

## Quick Answers

- **What is this?** Mountfield RS100 Sponge Air Filter & Plug Service Kit 118550704/0 SP414 & HP414 by grace nnvg
- **How much does it cost?** 103.62 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/60951945-mountfield-rs100-sponge-air-filter-and-plug-service-kit-118550704)

## Best For

- grace nnvg enthusiasts

## Why This Product

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

## Key Features

- • **Precision OEM Fit:** Direct replacement for Mountfield RS100 engines ensuring hassle-free installation and peak performance.
- • **Trusted Compatibility:** Specifically designed for Mountfield HP414 and SP414 lawnmowers, guaranteeing perfect match.
- • **Highly Rated Reliability:** Backed by 4.5-star reviews from 365 users who trust this kit for smooth mower operation.
- • **Complete Service Solution:** Includes both sponge air filter and NGK spark plug for comprehensive engine maintenance.
- • **Performance-Grade Quality:** Crafted to meet or exceed original specs, boosting engine efficiency and longevity.

## Overview

The Mountfield RS100 Sponge Air Filter & Plug Service Kit (Part No. OSK40705) is a performance-grade, OEM-equivalent maintenance kit designed specifically for Mountfield GGP RS100 OHV petrol engines, including HP414 and SP414 lawnmowers. It features a high-quality sponge air filter and NGK BCPR5ES spark plug, ensuring optimal engine airflow and reliable ignition for enhanced mower efficiency and durability.

## Description

Part Number Osk40705 Genuine Mountfield Sponge Air Filter And Plug Kit For Mountfield Ggp Rs100 Ohv Petrol Engines. These Engines Were Primarily Fitted To Mountfield Lawnmowers Such As Hp414 And Sp414 Among Others. Air Filter 118550704 0 Spark Plug Ngk Bcpr5Es

Review: Mower service - Yes all good, fitted mower ok
Review: service kit - great value

## Features

- Mountfield Rs100 Sponge Air Filter Plug Kit 118550704 0 Sp414 Hp414
- Product Type: Engine Air Filter
- Product type:ENGINE AIR FILTER
- Direct for the original part

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01MTUH27F |
| Best Sellers Rank | 15,285 in Garden ( See Top 100 in Garden ) 25 in Lawn Mower Engine Parts |
| Brand Name | Grace nnvg |
| Customer Reviews | 4.5 4.5 out of 5 stars (365) |
| Fit Type | Vehicle Specific Fit |
| Item Shape | Square |
| Manufacturer | Grace nnvg |
| Manufacturer Part Number | Osk40705 |
| Model Number | RS100 |
| OEM Equivalent Part Number | OSK40705 |
| Product Grade | Performance Part |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Grace nnvg
- **Fit type:** Vehicle Specific Fit
- **OEM part number:** OSK40705
- **Product grade:** Performance Part
- **Shape:** Square

## Images

![Mountfield RS100 Sponge Air Filter & Plug Service Kit 118550704/0 SP414 & HP414 - Image 1](https://m.media-amazon.com/images/I/41lLyOgkHuL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Mower service
*by M***O on 11 September 2025*

Yes all good, fitted mower ok

### ⭐⭐⭐⭐⭐ service kit
*by L***. on 10 June 2025*

great value

### ⭐⭐⭐⭐ very easy to assemble. good.
*by A***R on 5 March 2022*

This air filter fits well and the spark plug is a good quality, i like it.

## Frequently Bought Together

- Mountfield RS100 Sponge Air Filter & Plug Service Kit 118550704/0 SP414 & HP414
- Genuine Mountfield RS100 Fuel Line 118550716/0 HP414, SP414 SP164 SP46 S421PD
- Mountfield RS100 Carburettor Gasket Kit Found on SP414 and HP414 118550699/0

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**Shop now:** [https://www.desertcart.tn/products/60951945-mountfield-rs100-sponge-air-filter-and-plug-service-kit-118550704](https://www.desertcart.tn/products/60951945-mountfield-rs100-sponge-air-filter-and-plug-service-kit-118550704)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-05-30*