--- product_id: 547735439 title: "6 pc Champion Copper Plus Spark Plugs compatible with Jeep Grand Cherokee 4.0L L6 1999-2004" brand: "sixity auto" price: "£44.61" currency: GBP in_stock: true reviews_count: 5 url: https://www.desertcart.co.uk/products/547735439-6-pc-champion-copper-plus-spark-plugs-compatible-with-jeep store_origin: GB region: United Kingdom --- # 0.035in precise gap Direct OE replacement Fits Jeep Grand Cherokee 4.0L L6 (1999-2004) 6 pc Champion Copper Plus Spark Plugs compatible with Jeep Grand Cherokee 4.0L L6 1999-2004 **Brand:** sixity auto **Price:** £44.61 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your Jeep’s power with precision-engineered spark plugs! ## Quick Answers - **What is this?** 6 pc Champion Copper Plus Spark Plugs compatible with Jeep Grand Cherokee 4.0L L6 1999-2004 by sixity auto - **How much does it cost?** £44.61 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/547735439-6-pc-champion-copper-plus-spark-plugs-compatible-with-jeep) ## Best For - sixity auto enthusiasts ## Why This Product - Trusted sixity auto brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable Copper Core:** Superior copper material for enhanced conductivity and long-lasting reliability - • **Seamless OE Compatibility:** Genuine Champion parts ensure perfect fit and hassle-free installation - • **Complete 6-Pack Convenience:** All six plugs included to upgrade your entire engine at once—no mid-project runs - • **Trusted by Jeep Enthusiasts:** Specifically engineered for Jeep Grand Cherokee 4.0L L6 models from 1999 to 2004 - • **Precision Ignition Performance:** Optimized 0.035in gap for consistent spark and peak engine efficiency ## Overview Sixity Auto’s 6-pack Champion Copper Plus Spark Plugs deliver exact 0.035in gap precision and genuine OE quality, engineered specifically for Jeep Grand Cherokee 4.0L L6 models (1999-2004). Featuring durable copper cores for superior conductivity, these plugs ensure reliable ignition and optimal engine performance, making them the go-to upgrade for Jeep owners seeking seamless fit and lasting power. ## Description This part fits the following vehicles: Compatible with Jeep Grand Cherokee 1999 - 4.0L L6;Plug Type Rc12Ecc;Actual Oe Part;Gap 0.035In Compatible with Jeep Grand Cherokee 1999 - Gap .035;Oe Plug Compatible with Jeep Grand Cherokee 2000 - 4.0L L6;Plug Type Rc12Ecc;Actual Oe Part;Gap 0.035In Compatible with Jeep Grand Cherokee 2000 - Gap .035;Oe Plug Compatible with Jeep Grand Cherokee 2001 - 4.0L L6;Plug Type Rc12Ecc;Actual Oe Part;Gap 0.035In Compatible with Jeep Grand Cherokee 2001 - Gap .035;Oe Plug Compatible with Jeep Grand Cherokee 2002 - 4.0L L6;Plug Type Rc12Ecc;Actual Oe Part;Gap 0.035In Compatible with Jeep Grand Cherokee 2002 - Gap .035;Oe Plug Compatible with Jeep Grand Cherokee 2003 - 4.0L L6;Plug Type Rc12Ecc;Actual Oe Part;Gap 0.035In Compatible with Jeep Grand Cherokee 2003 - Gap .035;Oe Plug Compatible with Jeep Grand Cherokee 2004 - 4.0L L6;Plug Type Rc12Ecc;Actual Oe Part;Gap 0.035In Compatible with Jeep Grand Cherokee 2004 - Gap .035;Oe Plug ## Features - This 6 pack Champion Copper Plus Spark Plug is compatible with Jeep Grand Cherokee 2004, 2003, 2002, 2001, 2000, 1999 4.0L L6 - Genuine Champion Parts - Includes origil packaging and hardware - Direct replacement auto parts - Confirm vehicle fitment with desertcart Confirmed Fit ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B07YLDQG7Y | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #33,247 in Automotive (See Top 100 in Automotive) #185 in Automotive Performance Spark Plugs | | Brand Name | Sixity Auto | | Compatible With Vehicle Type | Car | | Core Material | Copper | | Customer Reviews | 4.6 4.6 out of 5 stars (184) 4.6 out of 5 stars | | Gap Size | 0.9 Millimeters | | Manufacturer | Sixity Auto | | Manufacturer Part Number | 4114746572 | | Model Number | 4114746572 | | Number Of Items | 6 | | Thread Size | 1.4 centimeters | | Top Material Type | Copper | | Unit Count | 6 Count | ## Product Details - **Brand:** Sixity Auto - **Core material:** Copper - **Thread size:** 1.4 centimeters - **Top material type:** Copper - **Vehicle service type:** Car ## Images ![6 pc Champion Copper Plus Spark Plugs compatible with Jeep Grand Cherokee 4.0L L6 1999-2004 - Image 1](https://m.media-amazon.com/images/I/41QhmxA1RjL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ المملكة العربية السعودية *by on Reviewed in Saudi Arabia 19 June 2025* المنتج ممتاز لكن التوصيل تأخر شوي ### ⭐⭐⭐⭐⭐ Best plugs *by on Reviewed in the United States 18 November 2025* These are the best plugs for jeep 4.0L motors! They love copper plugs and they last long in high altitude climates. I live 10k+ in elevation in my 4.0L does well with these champion copper plugs.You will have to gap them!And make sure you add zinc additive when you do an oil change. ### ⭐⭐⭐⭐⭐ Nice OEM parts *by on Reviewed in the United States 28 March 2026* They were cheaper than going to the store and they were delivered to my house. House made it easy. ## Frequently Bought Together - 6 pc Champion Copper Plus Spark Plugs compatible with Jeep Grand Cherokee 4.0L L6 1999-2004 - Ignition Coil for Jeep Grand Cherokee 2000-2004 4.0L L6, TJ Wrangler 2000-2006 4.0L L6, 56041476AA 56041476AB UF-296 610-02833 5C1181 C1263 E239 52-1654 IC399 - FEL-PRO VS 50458 R Engine Valve Cover Gasket Set for Jeep Grand Cherokee --- ## 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.co.uk/products/547735439-6-pc-champion-copper-plus-spark-plugs-compatible-with-jeep](https://www.desertcart.co.uk/products/547735439-6-pc-champion-copper-plus-spark-plugs-compatible-with-jeep) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-10-27*