---
product_id: 60265904
title: "Autolite APP3923 Double Platinum Automotive Replacement Spark Plugs (4 Pack)"
brand: "autolite iridium ultra"
price: "S$39"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/60265904-autolite-app3923-double-platinum-automotive-replacement-spark-plugs-4-pack
store_origin: SG
region: Singapore
---

# Quicker, cleaner ignition Superior heat transfer Longer plug life Autolite APP3923 Double Platinum Automotive Replacement Spark Plugs (4 Pack)

**Brand:** autolite iridium ultra
**Price:** S$39
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with Autolite’s double platinum power!

## Quick Answers

- **What is this?** Autolite APP3923 Double Platinum Automotive Replacement Spark Plugs (4 Pack) by autolite iridium ultra
- **How much does it cost?** S$39 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/60265904-autolite-app3923-double-platinum-automotive-replacement-spark-plugs-4-pack)

## Best For

- autolite iridium ultra enthusiasts

## Why This Product

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

## Key Features

- • **Heat Mastery:** Yttrium-enhanced ground electrode delivers superior heat transfer, protecting your engine from overheating.
- • **Enduring Platinum Power:** Platinum-to-platinum firing ensures unmatched durability and consistent performance under all conditions.
- • **Lightning-Fast Ignition:** Necked-down center electrode fires quicker with less voltage for effortless starts and rapid acceleration.
- • **Precision Gap Technology:** High nickel alloy side electrode maintains exact gap, virtually eliminating gap erosion for extended spark plug life.
- • **Trusted Legacy Since 1936:** Autolite’s decades of expertise guarantee reliable OE replacement quality that professionals swear by.

## Overview

Autolite APP3923 Double Platinum Spark Plugs (4 Pack) feature a necked-down center electrode and platinum-to-platinum firing for faster, cleaner ignition and superior durability. Enhanced with a Yttrium ground electrode and high nickel alloy side electrode, these plugs maintain precise gaps and improve heat transfer, ensuring longer life and consistent engine performance. Trusted since 1936, they are engineered for vehicle-specific fit and optimal acceleration.

## Description

Autolite APP3923 Double Platinum Automotive Replacement Spark Plugs (4 Pack)

## Features

- MAXIMUM PERFORMANCE: Every Double Platinum spark plug is necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration. Full copper core electrode provides better performance in all conditions
- IMPROVED DURABILITY: Our spark plugs are platinum-to-platinum firing for superior durability and super conductive Yttrium enhanced ground electrode provides superior heat transfer
- CONSTRUCTION: These spark plugs are platinum enhanced high nickel alloy side electrode maintains precision gap and assures virtually no gap erosion for longer plug life
- high nickel alloy side electrode maintains precise gap
- AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plugs needs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Autolite Iridium Ultra |
| Core Material | Platinum |
| Thread Size | 5/8 inches |
| Top Material Type | Nickel |
| Vehicle Service Type | Car, Truck |
| Global Trade Identification Number | 00009100002358 |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 009100002358 |
| Manufacturer | FRAM |
| Model | Double Platinum Spark Plug |
| Item Weight | 7 ounces |
| Product Dimensions | 3.38 x 4 x 1 inches |
| Item model number | APP3923-4PK |
| Exterior | Chrome |
| Manufacturer Part Number | APP3923-4PK |
| Position | Center |

## Product Details

- **Brand:** Autolite Iridium Ultra
- **Core Material:** Platinum
- **Thread Size:** 5/8 inches
- **Top Material Type:** Nickel
- **Vehicle Service Type:** Car, Truck

## Images

![Autolite APP3923 Double Platinum Automotive Replacement Spark Plugs (4 Pack) - Image 1](https://m.media-amazon.com/images/I/81iDBnNV9ML.jpg)

## Available Options

This product comes in different **Size, Number of Items** options.

## Questions & Answers

**Q: 2000 rav4 Toyota 2.0**
A: Work great on my sequoia even at -16 starts so I see why not on a rav4

**Q: Do these fit a 2009 Toyota correlation 1.8**
A: Nope made my car knock lol had to get different ones

**Q: Does this fit a 2010 hyundai sonata gls?**
A: No, these Autolite APP3923 do not fit that model. Autolite APP3923 will fit 2010 Hyundai Sonata (2.4L) and Autolite APP3924 will fit 2010 Hyundai Sonata (3.3L)

**Q: pre gapped?**
A: No

## Frequently Bought Together

- Autolite APP3923 Double Platinum Automotive Replacement Spark Plugs (4 Pack)
- LEXIVON 5/8" Swivel Magnetic Spark Plug Socket, 3/8" Drive x 10" Total Length | Enhanced Magnetic Design with Thin Wall Socket, Cr-v Steel (LX-122)
- CTA Tools 3235 Spark Plug Gapper

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**Shop now:** [https://www.desertcart.sg/products/60265904-autolite-app3923-double-platinum-automotive-replacement-spark-plugs-4-pack](https://www.desertcart.sg/products/60265904-autolite-app3923-double-platinum-automotive-replacement-spark-plugs-4-pack)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-03*