--- product_id: 24020782 title: "BOSCH 9621 OE Fine Wire Double Iridium Spark Plug - Single" brand: "bosch" price: "₹ 2789" currency: INR in_stock: true category: "Bosch" url: https://www.desertcart.in/products/24020782-bosch-9621-oe-fine-wire-double-iridium-spark-plug-single store_origin: IN region: India --- # 24% less voltage needed 360° laser welded ultra-fine iridium pin OE fit for modern GDI engines BOSCH 9621 OE Fine Wire Double Iridium Spark Plug - Single **Brand:** bosch **Price:** ₹ 2789 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your drive with Bosch’s double iridium precision! ## Quick Answers - **What is this?** BOSCH 9621 OE Fine Wire Double Iridium Spark Plug - Single by bosch - **How much does it cost?** ₹ 2789 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/24020782-bosch-9621-oe-fine-wire-double-iridium-spark-plug-single) ## 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 - • **Built to Last:** Nickel-plated rolled threads resist corrosion and galling, ensuring easy removal and maintenance without anti-seize hassle. - • **Ready Out of the Box:** Factory pre-gapped for instant installation—save time and avoid tuning errors with plug-and-play convenience. - • **Trusted Bosch Quality:** Backed by a 4.6-star rating and Bosch’s legacy, these spark plugs deliver reliable, long-lasting performance for your vehicle. - • **Precision Engineered Fit:** OE-matched design guarantees seamless compatibility with Gasoline Direct Injection (GDI) engines—no guesswork, just perfect performance. - • **Effortless Ignition Power:** Ultra-fine double iridium electrodes reduce voltage demand by up to 24%, sparking quicker starts and smoother rides. ## Overview The BOSCH 9621 OE Fine Wire Double Iridium Spark Plug features a 360-degree laser welded ultra-fine iridium firing pin that reduces voltage requirements by up to 24%, enhancing ignitability and durability. Designed to meet or exceed OE standards, it fits modern gasoline engines including GDI technology. Pre-gapped and nickel-plated for corrosion resistance, it ensures easy installation and long-lasting performance. ## Description Product Description Bosch OE Fine Wire Double Iridium Spark Plugs are engineered to deliver both high performance and long life, representing advanced original equipment (OE) spark plug technology. The ultra-fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and iridium ground electrode inlay help it to go the distance. OE-matched spark position ensures compatibility with Gasoline Direct Injection (GDI) technology used in modern gas engines. Bosch OE Fine Wire Double Iridium spark plugs are pre-gapped at the factory and ready to install right out of the box - gap adjustment prior to installation not required. The Nickel-plated rolled threads provide maximum resistance to corrosion - ensuring the spark plug removes easily from the cylinder head without galling - and do not require anti-seize during installation - saving time. Bosch Double Iridium Spark Plugs meet or exceed manufacturer design requirements for OE fit, form, and function for modern gasoline engines. Unlock the performance in your engine with Bosch Double Iridium Spark Plugs. brand_description Bosch Automotive ## Features - 360-degree laser welded ultra-fine wire iridium firing pin provides better ignitability - reducing voltage requirements up to 24% - and enhanced durability - Meets or exceeds manufacturer design requirements for OE fit, form, and function for modern gasoline engines - including Gasoline Direct Injection (GDI) engines ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B005GN1THO | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #1,131,257 in Automotive ( See Top 100 in Automotive ) #5,583 in Automotive Replacement Spark Plugs | | Brand Name | Bosch | | Compatible with Vehicle Type | Car, Truck | | Core Material | Iridium | | Customer Reviews | 4.6 4.6 out of 5 stars (170) | | Gap Size | 0.04 inches | | Global Trade Identification Number | 00028851034258 | | Included Components | spark plug | | Item Type Name | Spark Plug | | Item Weight | 1.44 ounces | | Manufacturer | Bosch Automotive | | Manufacturer Part Number | 9621 | | Manufacturer Warranty Description | Limited | | Model Number | 9621_1 | | Number of Items | 1 | | OEM Equivalent Part Number | 9621 | | Thread Size | 12mm | | Top Material Type | Nickel | | UPC | 028851034258 | ## Product Details - **Brand:** Bosch - **Core Material:** Iridium - **Thread Size:** 12mm - **Top Material Type:** Nickel - **Vehicle Service Type:** Car, Truck ## Images ![BOSCH 9621 OE Fine Wire Double Iridium Spark Plug - Single - Image 1](https://m.media-amazon.com/images/I/71FZXJroy2L.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - BOSCH 9621 OE Fine Wire Double Iridium Spark Plug - Single - Mobil 1 Extended Performance Full Synthetic Motor Oil 0W-20, 5 Quart - K&N Select Oil Filter: Designed to Protect your Engine: Fits Select INFINITI/MAZDA/NISSAN/SUBARU Vehicle Models (See Product Description for Full List of Compatible Vehicles), SO-1008 --- ## 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.in/products/24020782-bosch-9621-oe-fine-wire-double-iridium-spark-plug-single](https://www.desertcart.in/products/24020782-bosch-9621-oe-fine-wire-double-iridium-spark-plug-single) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-08-21*