--- product_id: 37133923 title: "ACDelco Professional 41-110 (12621258) Iridium Spark Plug (Pack of 1)" brand: "acdelco" price: "€ 30.38" currency: EUR in_stock: true category: "Ac Delco" url: https://www.desertcart.sk/products/37133923-acdelco-professional-41-110-12621258-iridium-spark-plug-pack-1 store_origin: SK region: Slovakia --- # 100,000 miles warranty Iridium core for max durability Exact OEM fit & function ACDelco Professional 41-110 (12621258) Iridium Spark Plug (Pack of 1) **Brand:** acdelco **Price:** € 30.38 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your drive with iridium power — because your truck deserves the best! ## Quick Answers - **What is this?** ACDelco Professional 41-110 (12621258) Iridium Spark Plug (Pack of 1) by acdelco - **How much does it cost?** € 30.38 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/37133923-acdelco-professional-41-110-12621258-iridium-spark-plug-pack-1) ## 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 - • **Unmatched Longevity:** Iridium's ultra-high melting point means your spark plug outlasts platinum and conventional types. - • **Heavy-Duty Durability:** Built to withstand tough truck conditions with superior wear resistance and strength. - • **Consistent Performance:** Delivers reliable ignition and optimal combustion for smoother rides and better fuel efficiency. - • **Peace of Mind Warranty:** Backed by a 100,000-mile parts-only warranty to keep your engine firing flawlessly. - • **Precision Engineered Fit:** Designed as a direct OEM replacement for Freightliner MT45 6.0L V8 Gas engines (2020-2021). ## Overview The ACDelco Professional 41-110 Iridium Spark Plug is a premium, vehicle-specific replacement designed for Freightliner MT45 trucks with 6.0L V8 Gas engines (2020-2021). Featuring an iridium core for superior wear resistance and durability, it ensures optimal ignition performance and fuel efficiency. Engineered to meet exact OEM specifications, it offers a hassle-free fit and is backed by a 100,000-mile warranty, making it the smart choice for professional-grade reliability. ## Description ACDelco Professional Iridium Spark Plugs are the high quality replacement ideal for many vehicles on the road today. They are the latest in spark plug technology and an exact replacement for your vehicle’s original components. Iridium composition has the highest melting point and strength of all metals. It provides the greatest wear resistance and durability over Platinum and Conventional spark plugs. ACDelco Professional Iridium Spark Plugs provide the best wear resistance and durability of any spark plug. These premium aftermarket replacement iridium spark plugs are manufactured to meet your expectations for fit, form and function. ## Features - Make: Freightliner - Model: MT45 - Year: 2020-2021 - Engine: 6.0L V8 Gas ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01IU4WC6M | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #667,346 in Automotive ( See Top 100 in Automotive ) #108 in Automotive Performance Spark Plugs #342,775 in Automotive Replacement Parts | | Brand Name | ACDelco | | Compatible with Vehicle Type | Truck | | Core Material | Iridium | | Customer Reviews | 4.5 4.5 out of 5 stars (807) | | Global Trade Identification Number | 00808709570936 | | Included Components | Iridium Spark Plug | | Item Type Name | Iridium Spark Plug | | Item Weight | 6.4 ounces | | Manufacturer | ACDelco | | Manufacturer Part Number | 12621258 | | Manufacturer Warranty Description | 100,000 Miles / Unlimited Months (Parts Only) | | Model Number | 41-110 | | OEM Equivalent Part Number | 41-110 | | Thread Size | M14x1.25 | | Top Material Type | Iridium | | UPC | 808709570936 | | Unit Count | 4 Count | ## Product Details - **Brand:** ACDelco - **Core Material:** Iridium - **Thread Size:** M14x1.25 - **Top Material Type:** Iridium - **Vehicle Service Type:** Truck ## Images ![ACDelco Professional 41-110 (12621258) Iridium Spark Plug (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/51tEyorrjrL.jpg) ![ACDelco Professional 41-110 (12621258) Iridium Spark Plug (Pack of 1) - Image 2](https://m.media-amazon.com/images/I/71xDcNTz0EL.jpg) ![ACDelco Professional 41-110 (12621258) Iridium Spark Plug (Pack of 1) - Image 3](https://m.media-amazon.com/images/I/61yOTpOdIhL.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. ## Frequently Bought Together - ACDelco GM Original Equipment 41-110 Iridium Spark Plug - ACDelco GM Original Equipment 41-114 Iridium Spark Plug (Pack of 1) --- ## 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.sk/products/37133923-acdelco-professional-41-110-12621258-iridium-spark-plug-pack-1](https://www.desertcart.sk/products/37133923-acdelco-professional-41-110-12621258-iridium-spark-plug-pack-1) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-08-05*