--- product_id: 97420982 title: "Autolite Platinum AP85 Automotive Replacement Spark Plugs (4 Pack)" brand: "autolite iridium ultra" price: "¥7525" currency: JPY in_stock: true reviews_count: 9 category: "Autolite Iridium Ultra" url: https://www.desertcart.jp/products/97420982-autolite-platinum-ap85-automotive-replacement-spark-plugs-4-pack store_origin: JP region: Japan --- # Necked-down electrode for faster ignition Optimizes fuel efficiency & engine life Platinum-to-platinum firing for durability Autolite Platinum AP85 Automotive Replacement Spark Plugs (4 Pack) **Brand:** autolite iridium ultra **Price:** ¥7525 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your drive with Autolite Platinum – where performance meets precision! ## Quick Answers - **What is this?** Autolite Platinum AP85 Automotive Replacement Spark Plugs (4 Pack) by autolite iridium ultra - **How much does it cost?** ¥7525 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/97420982-autolite-platinum-ap85-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 - • **Fuel Economy Booster:** Engineered to optimize combustion efficiency, these plugs help you save at the pump while enhancing engine longevity. - • **Unmatched Durability:** Platinum-to-platinum firing tip and Yttrium-enhanced ground electrode ensure superior heat transfer and long-lasting performance. - • **Quicker, Cleaner Starts:** Necked-down center electrode fires with less voltage for lightning-fast ignition and smoother acceleration. - • **Precision Gap Maintenance:** High nickel alloy side electrode keeps the gap stable, virtually eliminating erosion and extending spark plug life. - • **Trusted Legacy Since 1936:** Autolite’s proven expertise guarantees reliable OE replacement quality that professionals and enthusiasts swear by. ## Overview Autolite Platinum AP85 spark plugs deliver faster ignition and cleaner combustion through a necked-down platinum center electrode and platinum-to-platinum firing tip. Enhanced with a Yttrium-infused ground electrode and high nickel alloy side electrode, they maintain precise gaps for extended durability and improved fuel efficiency. Trusted since 1936, these OE-quality plugs ensure reliable starts, quicker acceleration, and optimized engine performance for cars and trucks. ## Description Autolite Platinum Spark Plugs feature a center wire platinum firing tip for reduced gap erosion, fewer misfires, better performance, and more durability. These spark plugs also feature a high nickel alloy side electrode to maintain a precise gap, and a full platinum tip to ensure virtually no gap erosion. The necked-down center electrode fires quicker, cleaner, and with less voltage for easier starts, quicker acceleration, and improved fuel economy. Review: Excelente calidad.Funcionó perfecto en mi chevrolet 1957 con motor 6cyl. Review: Good quality - Good quality part. Same as auto parts store but cheaper. ## Features - MAXIMUM PERFORMANCE: Every Platinum spark plug is necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration. - 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 - FUEL EFFICIENCY: The Autolite Platinum automotive replacement spark plug works to optimize engine performance for a longer life and improved fuel economy. - 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 | |---------------|-------| | ASIN | B078KNP4VC | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #546,487 in Automotive ( See Top 100 in Automotive ) #3,129 in Automotive Replacement Spark Plugs | | Brand Name | Autolite Iridium Ultra | | Compatible with Vehicle Type | Car, Truck | | Core Material | Platinum | | Customer Reviews | 4.6 4.6 out of 5 stars (53) | | Global Trade Identification Number | 00009100259257 | | Included Components | 4 spark plugs | | Item Type Name | Platinum Spark Plug | | Manufacturer | Autolite | | Manufacturer Part Number | AP85-4PK | | Manufacturer Warranty Description | 4 Year Limited | | Model Number | AP85-4PK | | OEM Equivalent Part Number | AP85 | | Thread Size | 14mm | | Top Material Type | Nickel | | UPC | 009100259257 | | Unit Count | 4.0 Count | ## Product Details - **Brand:** Autolite Iridium Ultra - **Core Material:** Platinum - **Thread Size:** 14mm - **Top Material Type:** Nickel - **Vehicle Service Type:** Car, Truck ## Images ![Autolite Platinum AP85 Automotive Replacement Spark Plugs (4 Pack) - Image 1](https://m.media-amazon.com/images/I/71KxxU31mUL.jpg) ![Autolite Platinum AP85 Automotive Replacement Spark Plugs (4 Pack) - Image 2](https://m.media-amazon.com/images/I/71nvczbSadL.jpg) ![Autolite Platinum AP85 Automotive Replacement Spark Plugs (4 Pack) - Image 3](https://m.media-amazon.com/images/I/71NSYZYZndL.jpg) ![Autolite Platinum AP85 Automotive Replacement Spark Plugs (4 Pack) - Image 4](https://m.media-amazon.com/images/I/71Jo61loCbL.jpg) ![Autolite Platinum AP85 Automotive Replacement Spark Plugs (4 Pack) - Image 5](https://m.media-amazon.com/images/I/81C0GaELbSL.jpg) ## Available Options This product comes in different **Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by O***Z on October 12, 2025* Excelente calidad.Funcionó perfecto en mi chevrolet 1957 con motor 6cyl. ### ⭐⭐⭐⭐⭐ Good quality *by C***W on June 8, 2025* Good quality part. Same as auto parts store but cheaper. ### ⭐⭐⭐⭐⭐ Fits onan b48m engine *by C***. on May 11, 2024* Replacement for my onan engine on miller 200le welder --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/97420982-autolite-platinum-ap85-automotive-replacement-spark-plugs-4-pack](https://www.desertcart.jp/products/97420982-autolite-platinum-ap85-automotive-replacement-spark-plugs-4-pack) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-12*