--- product_id: 340129591 title: "ACDelco GM Original Equipment 41-993 (12681665) Iridium Spark Plug" brand: "acdelco" price: "¥6825" currency: JPY in_stock: true reviews_count: 8 url: https://www.desertcart.jp/products/340129591-acdelco-gm-original-equipment-41-993-12681665-iridium-spark-plug store_origin: JP region: Japan --- # Iridium fine-wire electrode for efficient spark Burns away carbon deposits for lasting performance One-piece suppressor seal blocks radio interference ACDelco GM Original Equipment 41-993 (12681665) Iridium Spark Plug **Brand:** acdelco **Price:** ¥6825 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your drive with GM’s iridium edge — performance you can feel, reliability you can trust! ## Quick Answers - **What is this?** ACDelco GM Original Equipment 41-993 (12681665) Iridium Spark Plug by acdelco - **How much does it cost?** ¥6825 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/340129591-acdelco-gm-original-equipment-41-993-12681665-iridium-spark-plug) ## Best For - acdelco enthusiasts ## Why This Product - Trusted acdelco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **GM-Backed Reliability:** Engineered and rigorously tested by GM for a perfect fit and unmatched durability. - • **Precision Iridium Spark:** Delivers stable engine idle and quick acceleration with cutting-edge electrode design. - • **Advanced Suppressor Seal:** Protects your vehicle’s electronics by blocking disruptive radio frequencies. - • **Carbon-Busting Electrode:** Self-cleans carbon buildup to maintain peak spark efficiency and engine health. - • **7-Year Unlimited Mile Warranty:** Confidence that lasts, backed by a comprehensive GM warranty for peace of mind. ## Overview The ACDelco GM Original Equipment 41-993 Iridium Spark Plug features a fine-wire iridium electrode designed for superior engine idle stability, quick acceleration, and reliable cold starts. Its one-piece suppressor seal blocks radio frequency interference, protecting vehicle electronics while extending electrode life by preventing combustion leakage. Engineered and validated by GM for Chevrolet, Buick, GMC, and Cadillac vehicles, it comes with a 7-year unlimited mile warranty, ensuring long-lasting performance and peace of mind. ## Description Innovation brings challenge and opportunity, and we’re suiting up for both. Because when it comes to the evolving maintenance, repair, collision and powertrain needs of Chevrolet, Buick, GMC and Cadillac vehicles, only GM Genuine Parts and ACDelco Original Equipment parts offer true GM Original Equipment built for what’s next. We also offer ACDelco Gold and Silver parts, our high-quality OE alternatives. ACDelco offers the only aftermarket parts backed by GM. ACDelco’s Gold and Silver lines of premium aftermarket parts offer a precise fit for GM vehicles and most other makes and models. Review: Reliable spark plugs - Excellent iridium spark plugs. I trust these plugs as i have not had any issues with them. Review: ACDelco Spark Plugs GM Silverado 2001 - Excellent Spark plugs for the Silverado. Even on startup and several miles now on the road the power has been more noticeable. Sometimes I forget when I hit the gas, but I quickly Get a reminded with the push back in the seat. Yeah, awesome plugs. That was the only thing I changed that day so that's how I'm judging the plugs! ## Features - Iridium offers excellent engine idle stability and smooth performance - Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration - Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form - One piece suppressor seal helps block radio frequencies that can affect vehicle electronics - Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage - Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional - ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors - GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle - GM regularly updates production and service part designs to integrate new materials and technologies ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08PVHV939 | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #663,571 in Automotive ( See Top 100 in Automotive ) #3,652 in Automotive Replacement Spark Plugs | | Brand | ACDelco | | Brand Name | ACDelco | | Compatible with Vehicle Type | Car | | Core Material | Iridium | | Customer Reviews | 4.6 out of 5 stars 190 Reviews | | Included Components | Spark Plug | | Item Type Name | Iridium Plugs - GM,Iridium Plugs - GM | | Item Weight | 0.09 Pounds | | Manufacturer | ACDelco | | Manufacturer Part Number | 12681665 | | Manufacturer Warranty Description | 7 Year / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. | | Model Number | 41-993 | | Number of Items | 4 | | Thread Size | RM | | Top Material Type | Iridium | | UPC | 808709617198 | | Unit Count | 1.0 Count | | Vehicle Service Type | Car | ## Product Details - **Brand:** ACDelco - **Core Material:** Iridium - **Thread Size:** RM - **Top Material Type:** Iridium - **Vehicle Service Type:** Car ## Images ![ACDelco GM Original Equipment 41-993 (12681665) Iridium Spark Plug - Image 1](https://m.media-amazon.com/images/I/510GAsRbfkL.jpg) ![ACDelco GM Original Equipment 41-993 (12681665) Iridium Spark Plug - Image 2](https://m.media-amazon.com/images/I/61D+xccXSQL.jpg) ![ACDelco GM Original Equipment 41-993 (12681665) Iridium Spark Plug - Image 3](https://m.media-amazon.com/images/I/71wFrn3e+HL.jpg) ## Questions & Answers **Q: Is there a recommended interval for changing my vehicle’s spark plugs?** A: Yes, the interval depends on each vehicle model’s specifications. Refer to your vehicle Owner’s Manual for guidance on when you should change your vehicle’s spark plugs. **Q: Should I change all of my vehicle’s spark plugs at the same time?** A: Yes, when it is time for a scheduled spark plug replacement, all spark plugs should be changed. If a single spark plug is fouled or damaged outside of scheduled maintenance, finding the source of the damage and changing it is recommended. **Q: Can I just clean my spark plugs instead of replacing them?** A: No, ACDelco does not recommend cleaning old spark plugs. Cleaning spark plugs does not repair broken components, chipped insulator tips, and worn electrodes and wires. **Q: What is pre-ignition and can it damage my engine?** A: Yes, pre-ignition can cause serious damage to an engine. Pre-ignition, often accompanied by engine knocking sounds, air and fuel ignite in the engine before the spark plug fires. The condition commonly occurs when old spark plugs are worn or dirty. **Q: Does a diesel engine require a different type of plug than a gas engine?** A: Yes, diesel engines require glow plugs instead of spark plugs. To learn what type of glow plugs or spark plugs your vehicle requires, refer to your vehicle Owner’s Manual for guidance. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reliable spark plugs *by C***K on May 17, 2026* Excellent iridium spark plugs. I trust these plugs as i have not had any issues with them. ### ⭐⭐⭐⭐⭐ ACDelco Spark Plugs GM Silverado 2001 *by E***L on August 5, 2024* Excellent Spark plugs for the Silverado. Even on startup and several miles now on the road the power has been more noticeable. Sometimes I forget when I hit the gas, but I quickly Get a reminded with the push back in the seat. Yeah, awesome plugs. That was the only thing I changed that day so that's how I'm judging the plugs! ### ⭐⭐⭐⭐⭐ For GM they're best. *by Z***P on December 31, 2025* I only use AC Delco Plugs for my GM. They work great. --- ## 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/340129591-acdelco-gm-original-equipment-41-993-12681665-iridium-spark-plug](https://www.desertcart.jp/products/340129591-acdelco-gm-original-equipment-41-993-12681665-iridium-spark-plug) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-08*