---
product_id: 166850712
title: "DEF Ignition Coil for Stihl MS311 MS391 MS311Z MS391Z Chainsaw Replaces 1140 400 1303 1140 1305 B"
brand: "def"
price: "S$40"
currency: SGD
in_stock: true
reviews_count: 10
url: https://www.desertcart.sg/products/166850712-def-ignition-coil-for-stihl-ms311-ms391-ms311z-ms391z-chainsaw
store_origin: SG
region: Singapore
---

# High Intensity Spark Screw-In/Bolt-On 30-Day Guarantee DEF Ignition Coil for Stihl MS311 MS391 MS311Z MS391Z Chainsaw Replaces 1140 400 1303 1140 1305 B

**Brand:** def
**Price:** S$40
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite Your Chainsaw's Potential!

## Quick Answers

- **What is this?** DEF Ignition Coil for Stihl MS311 MS391 MS311Z MS391Z Chainsaw Replaces 1140 400 1303 1140 1305 B by def
- **How much does it cost?** S$40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/166850712-def-ignition-coil-for-stihl-ms311-ms391-ms311z-ms391z-chainsaw)

## Best For

- def enthusiasts

## Why This Product

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

## Key Features

- • **Risk-Free Purchase:** 100% satisfaction guarantee within 30 days—your peace of mind!
- • **Superior Combustion:** Increases combustion efficiency for a more powerful performance.
- • **Enhanced Performance:** Boosts ignition energy for smoother starts and improved riding.
- • **Seamless Compatibility:** Perfectly fits Stihl MS311, MS391, MS311Z, MS391Z chainsaws.
- • **Effortless Installation:** Screw-in or bolt-on design for quick and easy replacement.

## Overview

The DEF Ignition Coil is designed specifically for Stihl MS311, MS391, MS311Z, and MS391Z chainsaws, offering an easy screw-in or bolt-on installation. This high-performance coil enhances ignition energy and combustion efficiency, ensuring a powerful spark for optimal chainsaw operation. With a 30-day satisfaction guarantee, you can confidently upgrade your equipment.

## Description

DEF Ignition Coil for Stihl MS311 MS391 MS311Z MS391Z Chainsaw Replaces 1140 400 1303 1140 1305 B

## Features

- Fits: Stihl MS311 MS391 MS311Z MS391Z Chainsaw
- Easy to replace: replaces existing Ignition Coil, only replace it and you can reuse. Increase Ignition energy intensity for easy starting and smoothing riding
- High performance: it can improve combustion efficiency and strengthen electrical performance. provides a higher intensity spark with faster recovery and response
- After-sales: 100 percent guanantee within 30 days of purchase, any questions, contact us

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Installation Type | Screw-In or Bolt-On |

## Product Details

- **Brand:** DEF
- **Installation Type:** Screw-In or Bolt-On
- **Manufacturer:** DEF
- **UPC:** 749235132031

## Images

![DEF Ignition Coil for Stihl MS311 MS391 MS311Z MS391Z Chainsaw Replaces 1140 400 1303 1140 1305 B - Image 1](https://m.media-amazon.com/images/I/51arjciYIEL.jpg)
![DEF Ignition Coil for Stihl MS311 MS391 MS311Z MS391Z Chainsaw Replaces 1140 400 1303 1140 1305 B - Image 2](https://m.media-amazon.com/images/I/51TCNO1zW5L.jpg)
![DEF Ignition Coil for Stihl MS311 MS391 MS311Z MS391Z Chainsaw Replaces 1140 400 1303 1140 1305 B - Image 3](https://m.media-amazon.com/images/I/51z1D9pvSyL.jpg)
![DEF Ignition Coil for Stihl MS311 MS391 MS311Z MS391Z Chainsaw Replaces 1140 400 1303 1140 1305 B - Image 4](https://m.media-amazon.com/images/I/51FG6uNg57L.jpg)
![DEF Ignition Coil for Stihl MS311 MS391 MS311Z MS391Z Chainsaw Replaces 1140 400 1303 1140 1305 B - Image 5](https://m.media-amazon.com/images/I/51-KWmXZ-7L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Coil
  

*by R***N on Reviewed in the United States on August 25, 2024*

The coil was received quickly and fit correctly. It has been working fine. I hope it last longer than the original from stihl. The stihl coil only worked for about 5 to 6 hours, then died.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Part installed exactly like old one
  

*by A***R on Reviewed in the United States on July 28, 2024*

Good price and works well

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Easy to swap
  

*by S***D on Reviewed in the United States on October 29, 2024*

Started right up and works like a champ

## Frequently Bought Together

- DEF Ignition Coil for Stihl MS311 MS391 MS311Z MS391Z Chainsaw Replaces 1140 400 1303 1140 1305 B
- NGK (6703) BPMR7A SOLID Standard Spark Plug, Pack of 1
- JRL Air Filter 1141 120 1600 Fits Stihl MS251 MS261 MS271 MS291 MS311 MS381 MS391 Chainsaws

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**Shop now:** [https://www.desertcart.sg/products/166850712-def-ignition-coil-for-stihl-ms311-ms391-ms311z-ms391z-chainsaw](https://www.desertcart.sg/products/166850712-def-ignition-coil-for-stihl-ms311-ms391-ms311z-ms391z-chainsaw)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-26*