---
product_id: 15395414
title: "Arnold Corporation FF-10 First Fire Replacement Spark Plug"
brand: "arnold"
price: "C$1257"
currency: NIO
in_stock: true
reviews_count: 13
url: https://www.desertcart.ni/products/15395414-arnold-corporation-ff-10-first-fire-replacement-spark-plug
store_origin: NI
region: Nicaragua
---

# 0.375" reach 14mm thread diameter 13/16" hex socket Arnold Corporation FF-10 First Fire Replacement Spark Plug

**Brand:** arnold
**Price:** C$1257
**Availability:** ✅ In Stock

## Summary

> 🔥 Ignite Your Engine's Potential!

## Quick Answers

- **What is this?** Arnold Corporation FF-10 First Fire Replacement Spark Plug by arnold
- **How much does it cost?** C$1257 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/15395414-arnold-corporation-ff-10-first-fire-replacement-spark-plug)

## Best For

- arnold enthusiasts

## Why This Product

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

## Key Features

- • **Fouling Resistance:** Engineered for superior fouling resistance.
- • **Durable Construction:** Built to withstand the rigors of engine operation.
- • **Reliable Performance:** Experience consistent starts every time.
- • **Precision Engineering:** Designed for optimal fit and performance.
- • **Versatile Compatibility:** Replaces multiple spark plug models effortlessly.

## Overview

The Arnold Corporation FF-10 First Fire Replacement Spark Plug is engineered for consistent starts and dependable performance, featuring a 14 mm thread diameter, 0.375" reach, and a 13/16" hex socket. It replaces a variety of models, ensuring compatibility and superior fouling resistance for a smoother engine operation.

## Description

Arnold Corporation FF-10 First Fire Replacement Spark Plug

## Features

- Consistent starts, dependable performance and superior fouling resistance
- 14 mm thread diameter, 0.375" reach, 13/16" hex socket
- Replaces Champion 5861, RJ19LM, J19LM, RJ17LM, J17LM, RJ19HX; Replaces NGK B2LM. B2LMY, B4LM, B4LMY, BR2LM, BR4LM; Replaces Autolite 456, 458

## Images

![Arnold Corporation FF-10 First Fire Replacement Spark Plug - Image 1](https://m.media-amazon.com/images/I/41LNP1TA1bL.jpg)
![Arnold Corporation FF-10 First Fire Replacement Spark Plug - Image 2](https://m.media-amazon.com/images/I/61j-CgA3uHL.jpg)
![Arnold Corporation FF-10 First Fire Replacement Spark Plug - Image 3](https://m.media-amazon.com/images/I/71bUChQRjZL.jpg)
![Arnold Corporation FF-10 First Fire Replacement Spark Plug - Image 4](https://m.media-amazon.com/images/I/71PPguFvH9L.jpg)
![Arnold Corporation FF-10 First Fire Replacement Spark Plug - Image 5](https://m.media-amazon.com/images/I/71DDaNT-7yL.jpg)

## Available Options

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

## Questions & Answers

**Q: Where is it made?**
A: China

**Q: Will this plug work on a 42 inch craftsman**
A: Don't know ! You could look up a cross reference chart ,and compare it to the one you have in it now . Good luck!

**Q: My current plug has the ff-10 on the exposed area, but the stamped number is j.18a the photo on amazon is showing a stamped number g14s?**
A: Your best bet is to use Champion plugs , this one didn't last long for me

**Q: What all equipment does this plug fit?**
A: I Ordered them for My 3 Generators , Honda 3500 watt , Troy Bilt 5,000 watt , and Generac 7500 watt. All worked well . Though all 3 are different Makes , surprisingly they All take the same Spark Plug . Hope this helps , Bob Phillips.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Working perfectly
  

*by J***D on Reviewed in the United States on September 24, 2023*

Not necessarily much to say except the fact it works and the mower starts right up.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Fits some older craftsmen lawn mowers
  

*by P***  on Reviewed in the United States on August 14, 2023*

Just what I needed. Great product. 1st one lasted for years.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    great poduct
  

*by N***7 on Reviewed in the United States on November 11, 2022*

Spark plug is just what I needed to get my lawn mower started.  Received it fast and easy to install.  Grass is cut for last time this season

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**Shop now:** [https://www.desertcart.ni/products/15395414-arnold-corporation-ff-10-first-fire-replacement-spark-plug](https://www.desertcart.ni/products/15395414-arnold-corporation-ff-10-first-fire-replacement-spark-plug)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-27*