---
product_id: 599447336
title: "NGK Spark Plug LFR6A- Set of 4"
price: "€ 137.39"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/599447336-ngk-spark-plug-lfr6a-set-of-4
store_origin: HR
region: Croatia
---

# NGK Spark Plug LFR6A- Set of 4

**Price:** € 137.39
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** NGK Spark Plug LFR6A- Set of 4
- **How much does it cost?** € 137.39 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/599447336-ngk-spark-plug-lfr6a-set-of-4)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

NGK Spark Plug LFR6A- Set of 4

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | NGK |
| Core Material | Copper |
| Thread Size | 14mm x 26.5mm |
| Top Material Type | Zinc-Chromate |
| Vehicle Service Type | Car, Truck |
| UPC | 605349701825 |
| Manufacturer | NGK Japan |
| Item Weight | 7.7 ounces |
| Product Dimensions | 3.7 x 0.94 x 3.32 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | LFR6A |
| Position | Front, Rear |

## Product Details

- **Brand:** NGK
- **Core Material:** Copper
- **Thread Size:** 14mm x 26.5mm
- **Top Material Type:** Zinc-Chromate
- **Vehicle Service Type:** Car, Truck

## Images

![NGK Spark Plug LFR6A- Set of 4 - Image 1](https://m.media-amazon.com/images/W/MEDIAX_792452-T1/images/I/41Ap0fLT0WL.jpg)

## Questions & Answers

**Q: Is this the 6668 plug as listed in NGK site?**
A: Yes - the 6668 NGK part number is the correct number for the LFR6A spark plug.

**Q: What is the difference between the lfr6a and the lfr6a-11? And are they interchangeable?**
A: The major difference between these plugs is the LRF6A comes pre-gapped at .036" and the LFR6A-11 is pre-gapped at .044"  Technically speaking you should use the correct one of these as spec'd for your application as over adjusting the gap to compensate is not recommended.

**Q: Are these the correct plugs for a yamaha sx190, 1.8 ho?  thanks**
A: Yes - these would be the correct plugs for a Yamaha SX190 boat with the 1.8L HO engine.

**Q: will these work in a 2018 vx ho?**
A: Yes - these would be the correct spark plugs for a 2018 Yamaha VX Cruiser HO with the 1.8L 4-cylinder engine

## Frequently Bought Together

- NGK Spark Plug LFR6A- Set of 4
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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-06*