--- product_id: 437714589 title: "Automotive (9661) OE Fine Wire Double Iridium Spark Plug - Pack of 4" brand: "bosch" price: "S$67" currency: SGD in_stock: true reviews_count: 4 category: "Bosch" url: https://www.desertcart.sg/products/437714589-automotive-9661-oe-fine-wire-double-iridium-spark-plug-pack store_origin: SG region: Singapore --- # 4X longer service life vs copper plugs 0.6mm ultra-fine wire for superior ignitability 360° laser weld for unmatched durability Automotive (9661) OE Fine Wire Double Iridium Spark Plug - Pack of 4 **Brand:** bosch **Price:** S$67 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your drive with Bosch’s double iridium spark — where power meets precision! ## Quick Answers - **What is this?** Automotive (9661) OE Fine Wire Double Iridium Spark Plug - Pack of 4 by bosch - **How much does it cost?** S$67 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/437714589-automotive-9661-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 standards since 1902 ensure reliability in your vehicle’s heart. - • **Built to Withstand:** 360-degree continuous laser welding fuses components for corrosion resistance and rock-solid durability. - • **Plug & Play Perfection:** Original equipment pre-gapped design guarantees flawless fit and hassle-free installation. - • **Endurance That Outlasts:** Double iridium electrodes deliver 4X longer lifespan, reducing maintenance frequency and cost. - • **Precision Ignition Power:** Ultra-fine 0.6mm iridium wire ensures lightning-fast spark and peak engine performance. ## Overview Bosch Automotive 9661 OE Fine Wire Double Iridium Spark Plugs (4-pack) feature ultra-fine 0.6mm iridium firing pins and double iridium electrodes for 4X longer life and superior ignitability. Engineered with 360-degree laser welding for enhanced durability and corrosion resistance, these pre-gapped plugs fit select Chrysler, Dodge, Jeep, and Volkswagen models perfectly. Backed by Bosch’s century-long OE expertise and a 7-year performance guarantee, they deliver reliable, efficient ignition and fuel control for professional-grade vehicle maintenance. ## 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: Amazing - Perfect fit for JK 3.8L 2009 Great performance and control on fuel consumption Review: Spark plugs - My go to brand for spark plugs for my 2010 chrysler town and country. ## 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 guarantee - Original equipment, pre-gapped replacement delivering optimum fit, form and function.05-08 Chrysler Pacifica, 01-10 Chrysler Town & Country, 01-03 Chrysler Voyager, 01-07 Dodge Caravan, 01-10 Dodge Grand Caravan, 07-11 Jeep Wrangler, 09-10 Volkswagen Routan ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0792MKY5B | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #105,461 in Automotive ( See Top 100 in Automotive ) #662 in Automotive Performance Spark Plugs | | Brand | BOSCH | | Brand Name | BOSCH | | Compatible with Vehicle Type | Car, SUV | | Core Material | Iridium | | Core material | Iridium | | Country of Publication | China | | Customer Reviews | 5.0 out of 5 stars 21 Reviews | | Global Trade Identification Number | 00028851034364 | | Included Components | spark plugs | | Item Type Name | OE Replacement Spark Plug, Up to 4X Longer Life (4 Pk) Chrysler: Pacifica, Town & Country, Voyager, Dodge Caravan, Dodge Grand Caravan, Jeep Wrangler, Volkswagen Routan | | Item Weight | 0.51 Pounds | | Manufacturer | Bosch Automotive | | Manufacturer Part Number | 9661 | | Model Number | 9661 | | OEM Equivalent Part Number | 9661 | | Thread Size | 14mm x 1.25mm | | Thread size | 14mm x 1.25mm | | Top Material Type | Ceramic | | Top material type | Ceramic | | UPC | 028851034364 | | Unit Count | 4 Count | | Vehicle service type | Car, SUV | ## Product Details - **Brand:** BOSCH - **Core material:** Iridium - **Thread size:** 14mm x 1.25mm - **Top material type:** Ceramic - **Vehicle service type:** Car, SUV ## Images ![Automotive (9661) 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 ### ⭐⭐⭐⭐⭐ Amazing *by M***N on 24 November 2024* Perfect fit for JK 3.8L 2009 Great performance and control on fuel consumption ### ⭐⭐⭐⭐⭐ Spark plugs *by B***S on 14 October 2025* My go to brand for spark plugs for my 2010 chrysler town and country. ### ⭐⭐⭐⭐⭐ Good spark plugs *by C***S on 14 November 2024* My Jeep runs fantastic ! I also put new wires on and several other things but I am happy with the plugs. --- ## 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.sg/products/437714589-automotive-9661-oe-fine-wire-double-iridium-spark-plug-pack](https://www.desertcart.sg/products/437714589-automotive-9661-oe-fine-wire-double-iridium-spark-plug-pack) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-07-16*