---
product_id: 515162325
title: "Denso 3499 Spark Plug Iridium Long-Life (Stock #3499) (ea.)"
brand: "denso"
price: "฿165"
currency: THB
in_stock: false
url: https://www.desertcart.co.th/products/515162325-denso-3499-spark-plug-iridium-long-life-stock-3499-ea
store_origin: TH
region: Thailand
---

# Lasts 2x longer than conventional plugs Larger spark nucleus for max ignition Reduces emissions & misfires Denso 3499 Spark Plug Iridium Long-Life (Stock #3499) (ea.)

**Brand:** denso
**Price:** ฿165
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Spark your drive with DENSO’s iridium edge—where power meets precision!

## Quick Answers

- **What is this?** Denso 3499 Spark Plug Iridium Long-Life (Stock #3499) (ea.) by denso
- **How much does it cost?** ฿165 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/515162325-denso-3499-spark-plug-iridium-long-life-stock-3499-ea)

## Best For

- denso enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Innovation:** Backed by DENSO’s award-winning quality and cutting-edge iridium technology for unmatched reliability.
- • **Double the Durability:** Engineered to last twice as long as standard spark plugs, minimizing replacements and downtime.
- • **Fuel Efficiency Boost:** Fires leaner fuel mixtures for improved throttle response and better mileage—because every drop counts.
- • **Ignite with Precision:** Patented ground electrode delivers a powerful, consistent spark for flawless combustion every time.
- • **Eco-Friendly Performance:** Optimized to reduce emissions and misfires, helping you drive cleaner and smarter.

## Overview

The DENSO 3499 Iridium Spark Plug is a premium replacement part designed for superior ignition performance and longevity. Featuring a patented ground electrode for a larger spark nucleus, it ensures complete fuel combustion, reducing emissions and misfires. Built to last twice as long as conventional plugs, it enhances fuel efficiency and throttle response. Trusted by top automakers and backed by industry awards, this spark plug combines cutting-edge iridium technology with proven reliability for a seamless upgrade or replacement.

## Description

DENSO is one of the largest automotive-component suppliers with more than $40 billion in annual sales. For over 65 years, DENSO parts have been the global choice for top automakers, with hundreds of vehicle models rolling off the assembly line with DENSO auto parts under the hood. Combine that with their commitment to qualityâ€”showcased by their QS9000 and ISO9000-certified factories and easily installed First Time Fit product lineâ€”and you have a clear choice in product reliability and longevity. From the development of direct ignition coils to revolutionizing the concept of the aftermarket performance spark plug by using platinum and iridium, DENSO is often on the front lines of product advancement. DENSO continues their innovation with the First Time Fit product line, which includes premium DENSO parts such as oxygen sensors, air fuel ratio sensors (AFR), A/C compressors, cabin air filters, condensers, evaporators, radiators, receiver-driers, starters, alternators, fuel pumps, oil and air filters, ignition wire sets, tire pressure monitoring system sensors (TPMS), and windshield wiper blades.

## Features

- This DENSO 3499 Spark Plug replaces DENSO Auto Parts SC16HR11, Toyota 90919-01275, parts and is perfect for replacement or a performance upgrade.
- REDUCE EMISSIONS AND MISFIRES: The patented DENSO Spark Plug enables complete fuel ignition in the combustion chamber. It virtually eliminates erratic starts caused by poor fuel mixtures and excessive soot buildup. The DENSO Spark Plug employs a unique ground electrode designed to generate a larger spark nucleus at the point of ignition. Greater spark energy means improved flame travel, producing more complete, consistent, and efficient combustion
- GAIN GREATER FUEL EFFICIENCY: This DENSO Spark Plug fires leaner mixtures than conventional plugs and improves throttle response. Its ground electrode was developed to improve ignitability for increased efficiency in emission gas purification and fuel consumption. The DENSO Spark Plug is 100 percent pre-fired to ensure reliable operation and lasts twice as long as conventional plugs. The unique five-rib insulator reduces flashover and decreases voltage loss
- RELY ON QUALITY AUTO PARTS: From the development of direct ignition coils to revolutionizing the concept of the aftermarket performance spark plug by using platinum and iridium, DENSO is often on the front lines of product advancement
- TRUST IN DENSO: The automotive industry has recognized the DENSO commitment to quality through such prestigious awards as the Deming Award for Quality, the J.D. Power and Associates Chairman's Award, and numerous supplier awards for quality

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Denso |
| Core Material | Copper |
| Top Material Type | Metal |
| Vehicle Service Type | Car |
| Global Trade Identification Number | 00042511034990 |
| UPC | 042511034990 |
| OEM Part Number | 1611548180, 9091901253, 9091901275 |
| Manufacturer | Denso |
| Product Dimensions | 23.75 x 13.99 x 7.8 cm; 42 g |
| Item model number | SC16HR11 |
| Manufacturer Part Number | SC16HR11 |
| Position | Left |
| Assembly Required | No |
| Manufacturer | Denso |
| Item Weight | 42 g |

## Product Details

- **Brand:** Denso
- **Core Material:** Copper
- **Top Material Type:** Metal
- **Vehicle Service Type:** Car
- **Global Trade Identification Number:** 00042511034990

## Images

![Denso 3499 Spark Plug Iridium Long-Life (Stock #3499) (ea.) - Image 1](https://m.media-amazon.com/images/I/71SmhCxfMsL.jpg)
![Denso 3499 Spark Plug Iridium Long-Life (Stock #3499) (ea.) - Image 2](https://m.media-amazon.com/images/I/71pFUv3CvDL.jpg)
![Denso 3499 Spark Plug Iridium Long-Life (Stock #3499) (ea.) - Image 3](https://m.media-amazon.com/images/I/71H5cyJ11vL.jpg)
![Denso 3499 Spark Plug Iridium Long-Life (Stock #3499) (ea.) - Image 4](https://m.media-amazon.com/images/I/61E9QxTFvgL.jpg)
![Denso 3499 Spark Plug Iridium Long-Life (Stock #3499) (ea.) - Image 5](https://m.media-amazon.com/images/I/71-Pml5V5UL.jpg)

## Frequently Bought Together

- Denso 3499 Spark Plug Iridium Long-Life (Stock #3499) (ea.)
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**Shop now:** [https://www.desertcart.co.th/products/515162325-denso-3499-spark-plug-iridium-long-life-stock-3499-ea](https://www.desertcart.co.th/products/515162325-denso-3499-spark-plug-iridium-long-life-stock-3499-ea)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-15*