---
product_id: 424942477
title: "OEM Champion Spark Plug for John Deere M78543, M87543, RC12YC Gas Engine Motors"
brand: "champion"
price: "€ 14.97"
currency: EUR
in_stock: true
reviews_count: 8
category: "Champion"
url: https://www.desertcart.hr/products/424942477-oem-champion-spark-plug-for-john-deere-m78543-m87543-rc12yc
store_origin: HR
region: Croatia
---

# Superior ignition efficiency Durable copper core for long-lasting performance Exact OEM fit for John Deere engines OEM Champion Spark Plug for John Deere M78543, M87543, RC12YC Gas Engine Motors

**Brand:** champion
**Price:** € 14.97
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your engine’s potential with Champion Copper Plus!

## Quick Answers

- **What is this?** OEM Champion Spark Plug for John Deere M78543, M87543, RC12YC Gas Engine Motors by champion
- **How much does it cost?** € 14.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/424942477-oem-champion-spark-plug-for-john-deere-m78543-m87543-rc12yc)

## Best For

- champion enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Pros:** Rated 4.6 stars with glowing reviews—join thousands of lawn care pros who trust Champion for peak engine power.
- • **Precision OEM Fit:** Seamlessly replaces your John Deere M78543, M87543, and RC12YC spark plugs for hassle-free maintenance.
- • **Champion Copper Plus Core:** Enhanced copper core ensures optimal conductivity and reliable engine starts every time.
- • **Ready-to-Install Packaging:** Comes with original packaging and hardware, so you’re set for a quick, professional replacement.
- • **Durability Meets Performance:** Nickel-alloy top material resists wear and corrosion, extending spark plug life under tough conditions.

## Overview

The OEM Champion Copper Plus 71 Spark Plug is a direct replacement part designed specifically for John Deere M78543, M87543, and RC12YC gas engine motors. Featuring a durable copper core and nickel-alloy top, it delivers reliable ignition, enhanced conductivity, and long-lasting performance. Backed by high customer ratings and original packaging, this spark plug ensures professional-grade maintenance and optimal engine efficiency.

## Description

Genuine Champion Copper Plus 71 Spark Plug

Review: Sparkplug - Great item and was delivered on time.
Review: Perfect match! - It was the exact fit for my John Deere STX38 riding mower...

## Features

- Champion Copper Plus 71 Spark Plug
- Genuine Champion Parts
- Includes original packaging and hardware
- Direct replacement auto parts
- Confirm vehicle fitment with desertcart Confirmed Fit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08T7PGP9F |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #145,409 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #200 in Lawn Mower Spark Plugs |
| Brand | Champion |
| Core Material | Nickel-alloy or copper |
| Customer Reviews | 4.6 4.6 out of 5 stars (65) |
| Date First Available | January 16, 2021 |
| Exterior | Multiple Finishes |
| Global Trade Identification Number | 00193979483636 |
| Item Weight | 1.44 ounces |
| Item model number | 71 |
| Manufacturer | Champion |
| Manufacturer Part Number | 71 |
| Model | Champion Copper Plus 71 Spark Plug |
| OEM Part Number | 2829, 71, 71F, 71G, RC12YC |
| Position | Front, Rear |
| Product Dimensions | 3.75 x 0.93 x 0.83 inches |
| Thread Size | 14mmx1.25mm |
| Top Material Type | Nickel alloy |
| UPC | 193979483636 |
| Vehicle Service Type | Car, Truck |

## Product Details

- **Brand:** Champion
- **Core Material:** Nickel-alloy or copper
- **Thread Size:** 14mmx1.25mm
- **Top Material Type:** Nickel alloy
- **Vehicle Service Type:** Car, Truck

## Images

![OEM Champion Spark Plug for John Deere M78543, M87543, RC12YC Gas Engine Motors - Image 1](https://m.media-amazon.com/images/I/51iAuH+kr5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sparkplug
*by G***D on January 29, 2026*

Great item and was delivered on time.

### ⭐⭐⭐⭐⭐ Perfect match!
*by T***Y on April 29, 2025*

It was the exact fit for my John Deere STX38 riding mower...

### ⭐⭐⭐⭐⭐ Spark Plug For Kohler Command 17.5 HP
*by D***N on February 9, 2025*

Great Replacement Plug For The More Expensive OEM Recommended Plug. Worked Perfectly Just Don’t Over Torque

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**Shop now:** [https://www.desertcart.hr/products/424942477-oem-champion-spark-plug-for-john-deere-m78543-m87543-rc12yc](https://www.desertcart.hr/products/424942477-oem-champion-spark-plug-for-john-deere-m78543-m87543-rc12yc)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-07*