--- product_id: 253572631 title: "Automotive (9603) Oe Fine Wire Double Iridium Spark Plug - Pack Of 4" brand: "bosch" price: "€ 105.50" currency: EUR in_stock: true reviews_count: 7 category: "Bosch" url: https://www.desertcart.fr/products/253572631-automotive-9603-oe-fine-wire-double-iridium-spark-plug-pack store_origin: FR region: France --- # 4X longer service life vs. copper plugs 0.6mm ultra-fine wire for superior ignitability 360° laser weld for unmatched durability Automotive (9603) Oe Fine Wire Double Iridium Spark Plug - Pack Of 4 **Brand:** bosch **Price:** € 105.50 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your drive with Bosch’s double iridium spark plugs—where precision meets endurance. ## Quick Answers - **What is this?** Automotive (9603) Oe Fine Wire Double Iridium Spark Plug - Pack Of 4 by bosch - **How much does it cost?** € 105.50 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/253572631-automotive-9603-oe-fine-wire-double-iridium-spark-plug-pack) ## Best For - bosch enthusiasts ## Why This Product - Trusted bosch brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Legacy:** Bosch quality control and OE technology trusted by top automotive brands since 1902. - • **Built to Withstand:** 360-degree continuous laser welding fuses components for corrosion resistance and maximum durability. - • **Plug & Play Perfection:** Original equipment pre-gapped design guarantees flawless fit, form, and function—no adjustments needed. - • **Endurance That Outlasts:** Double iridium electrodes deliver 4X longer lifespan, keeping your ride smooth and reliable. - • **Precision Ignition Power:** Ultra-fine 0.6mm iridium firing pin ensures lightning-fast spark and peak engine performance. ## Overview Bosch Automotive’s OE Fine Wire Double Iridium Spark Plug pack of 4 features a 0.6mm ultra-fine iridium firing pin and double iridium electrodes, providing 4X longer service life than standard copper plugs. Engineered with 360-degree continuous laser welding for superior durability and corrosion resistance, these plugs come pre-gapped for an exact fit across multiple vehicle models including Honda, Acura, Lexus, and more. Trusted since 1902, Bosch delivers OE-level performance and reliability to keep your engine firing flawlessly. ## Description From the manufacturer The Best of OE Technology OE Extreme durability and longest life are achieved through 360-degree continuous laser welding to fuse the iridium firing pin Exceptional ignitability and performance comes from the ultra fine wire design, while the copper core provides broader heat range to eliminate pre-ignition and fouling Longer Service Life Fine wire firing pin reduces voltage requirement Copper core ground electrode (when required) provides better heat transfer No Anti-Seize Nickel-plated shell with rolled threads requires no anti-seize Complete anti-seize and corrosion protection built into the nickel-plated shell No Gapping Needed Ribbed insulator design prevents flashover Bosch - Trusted in the world's most advanced engines Since 1902, Bosch has set the standard in spark plug technology with innovative, performance-proven products trusted by original equipment manufacturers worldwide Production takes place in the most sophisticated manufacturing facilities, where Bosch quality control standards assure that every plug bearing Bosch name earns it Review: Works well - Works well as it is supposed to do.. Review: Good - Good ## Features - Double Iridium firing pin and ground electrode inlay provide 4X longer service life compared to standard copper plugs - 0.6mm fine wire firing pin provides superior ignitability and performance - 360 Degree continuous laser weld fuses corrosion resistant iridium firing pin to base for increased durability - 7 year performance satisfaction - Original equipment, pre-gapped replacement delivering optimum fit, form and function. Hex Size-16. Reach-19.Acura: 92-01 Integra, 91-92 Legend, 06 Chrysler Crossfire, 02-05 Ford Thunderbird, 00 Honda Civic; Infiniti: 99-02 G, 96-01 I30, 93-97 J30, 90-92 M30, 90-01 Q45; Jaguar: 00-01 Vanden Plas, 98-01 XJR, 01 XJ8, 00-03 XKR; Lexus: 90-91 ES250, 92-03 ES300. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0792LVCZW | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #3,034 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Performance Spark Plugs | | Brand | BOSCH | | Brand Name | BOSCH | | Compatible with Vehicle Type | Honda Civic | | Core Material | Iridium | | Core material | Iridium | | Customer Reviews | 4.6 out of 5 stars 689 Reviews | | Gap Size | 0.6 Millimeters | | Global Trade Identification Number | 00028851010382 | | Included Components | spark plugs | | Item Type Name | OE Replacement Spark Plug, Up to 4X Longer Life (4 Pk) Acura; Chrysler; Ford; Honda; Infiniti; Jaguar; Lexus; Mercedes-Benz; Mitsubishi; Nissan; Subaru; Toyota +More | | Item Weight | 0.43 Pounds | | Manufacturer | Bosch Automotive | | Manufacturer Part Number | 9603 | | Manufacturer Warranty Description | Limited | | Model Number | 9603 | | Thread Size | M30 | | Thread size | M30 | | Top Material Type | Nickel | | Top material type | Nickel | | UPC | 028851010382 | | Unit Count | 4 Count | | Vehicle service type | Honda Civic | ## Product Details - **Brand:** BOSCH - **Core material:** Iridium - **Thread size:** M30 - **Top material type:** Nickel - **Vehicle service type:** Honda Civic ## Images ![Automotive (9603) Oe Fine Wire Double Iridium Spark Plug - Pack Of 4 - Image 1](https://m.media-amazon.com/images/I/71FZXJroy2L.jpg) ## Available Options This product comes in different **Color, Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works well *by A***N on 23 October 2024* Works well as it is supposed to do.. ### ⭐⭐⭐⭐ Good *by R***E on 14 September 2022* Good ### ⭐⭐⭐⭐⭐ طابق مع سيارتك قبل ماتشتري *by M***N on 10 November 2023* تاكد انه مخصص لسيارتك ## Frequently Bought Together - BOSCH 9603 OE Fine Wire Double Iridium Spark Plug - Pack of 4 - FEL-PRO VS 50530 R Engine Valve Cover Gasket Set for Toyota Camry --- ## 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.fr/products/253572631-automotive-9603-oe-fine-wire-double-iridium-spark-plug-pack](https://www.desertcart.fr/products/253572631-automotive-9603-oe-fine-wire-double-iridium-spark-plug-pack) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-08-23*