---
product_id: 728968990
title: "3186 3951 Iridium Spark Plugs 8pcs"
brand: "oyeauto"
price: "€ 56.15"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/728968990-3186-3951-iridium-spark-plugs-8pcs
store_origin: HR
region: Croatia
---

# 6x harder iridium electrode High melting point alloy Pre-gapped for instant install 3186 3951 Iridium Spark Plugs 8pcs

**Brand:** oyeauto
**Price:** € 56.15
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with OYEAUTO’s iridium edge!

## Quick Answers

- **What is this?** 3186 3951 Iridium Spark Plugs 8pcs by oyeauto
- **How much does it cost?** € 56.15 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/728968990-3186-3951-iridium-spark-plugs-8pcs)

## Best For

- oyeauto enthusiasts

## Why This Product

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

## Key Features

- • **Risk-Free Warranty:** 12-month coverage ensures peace of mind with easy replacement or refund.
- • **Unmatched Durability:** Iridium center electrode lasts 6x longer than platinum, keeping your engine firing strong.
- • **OEM-Grade Reliability:** Built to meet strict OEM service intervals for consistent performance.
- • **Plug & Play Convenience:** Pre-gapped and nickel-plated threads mean zero hassle—just install and go.
- • **Engineered for Efficiency:** Boost fuel economy and acceleration with precision spark delivery.

## Overview

OYEAUTO 3186 3951 Iridium Spark Plugs feature a fine wire iridium electrode that is six times harder than platinum, ensuring exceptional durability and performance. Pre-gapped and nickel-plated for quick installation, these plugs improve fuel economy, acceleration, and engine starts. Manufactured to OEM standards and backed by a 12-month warranty, they deliver reliable, long-lasting ignition for modern engines.

## Description

OYEAUTO 3186 3951 Iridium Spark Plugs 8pcs

## Features

- Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize.Reference number: 3951,TR55,TR55IX,0242225623,5033,5326,3403,7164.
- The Iridium fine wire center electrode's durability is six times harder than platinum.Iridium alloys extremely high melting point is perfect for today's engines.
- Long life spark plugs manufactured to OEM service interval specifications.
- Improve fuel economy, better acceleration and faster starts than other plugs.
- 12-month-warranty:During the warranty,if there is any problem with your plug,please contact us,we will refund you or send you a brand new replacement.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | OYEAUTO |
| Brand | OYEAUTO |
| Package Dimensions | 11.99 x 8.2 x 6.71 cm; 422 g |
| Manufacturer reference | 3951 |
| Manufacturer Part Number | 3951 |
| Item Weight | 422 g |

## Product Details

- **Brand:** OYEAUTO
- **Core material:** Iridium
- **Top material type:** Nickel
- **Vehicle service type:** Car
- **UPC:** 757158905267

## Images

![3186 3951 Iridium Spark Plugs 8pcs - Image 1](https://m.media-amazon.com/images/I/71-ZNf9iZDL.jpg)

## Frequently Bought Together

- OYEAUTO 3186 3951 Iridium Spark Plugs 8pcs Compatible with GMC Chevrolet Ford Cadillac Lincoln Mercury Hummer Pontiac Buick Panoz Oldsmobile Isuzu VPG Saab V8 Engine
- ENA Spark Plug Wire Set Compatible with Chevrolet GMC Cadillac Express Savana C2500 C3500 K2500 K3500 C1500 K1500 G3500 1500 2500 3500 V8 5.0L 5.7L 96-03 Replacement for 9718Q 88862381 35-8150
- DRAGON FIRE PERFORMANCE Heavy Duty Distributor Cap and Rotor Set Compatible Replacement With 1996-2002 Chevrolet GMC Express Suburban Savana Yukon 5.0L 5.7L 350 305 V8 Vortec Oem Fit CAP1010-DF

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**Shop now:** [https://www.desertcart.hr/products/728968990-3186-3951-iridium-spark-plugs-8pcs](https://www.desertcart.hr/products/728968990-3186-3951-iridium-spark-plugs-8pcs)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-26*