--- product_id: 83027755 title: "828M Pack of 4 Copper Marine Spark Plugs (QL77JC4)" brand: "champion" price: "$49.12" currency: USD in_stock: true reviews_count: 8 category: "Champion" url: https://www.desertcart.us/products/83027755-828m-pack-of-4-copper-marine-spark-plugs-ql77jc4 store_origin: US region: United States of America --- # Copper core for max conductivity Superior heat control Precision 14mm thread & 12.7mm reach 828M Pack of 4 Copper Marine Spark Plugs (QL77JC4) **Brand:** champion **Price:** $49.12 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your engine’s potential with Champion Copper Plus! ## Quick Answers - **What is this?** 828M Pack of 4 Copper Marine Spark Plugs (QL77JC4) by champion - **How much does it cost?** $49.12 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/83027755-828m-pack-of-4-copper-marine-spark-plugs-ql77jc4) ## Best For - champion enthusiasts ## Why This Product - Trusted champion brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Heat Mastery:** Optimized copper electrode controls heat to extend spark plug life and engine performance. - • **Copper Core Power:** Enhanced conductivity for a stronger, more reliable spark every time. - • **Trusted OEM Quality:** Genuine Champion spark plugs, bulk packed for value and guaranteed authenticity. - • **Perfect Fit Precision:** 14mm thread and 12.7mm reach ensure seamless OEM compatibility and easy installation. - • **Versatile Engine Compatibility:** Ideal for small engines, lawn mowers, Johnson outboards, and more—tune up with confidence. ## Overview The Champion 828M Pack of 4 Copper Marine Spark Plugs (QL77JC4) features a copper core electrode for superior conductivity and heat control, ensuring reliable ignition and extended wear. Designed with a 14mm thread and 12.7mm reach, these genuine OEM spark plugs fit a variety of small engines and marine motors, delivering trusted performance and easy installation. ## Description Includes (4) Spark Plug. Thread: 14mm, Reach: 12.7mm, Seat type: flat, Hex size: 21mm, Tip configuration: non projected, Type: Standard, Terminal type: Solid, New, Bulk Packed. Genuine OEM Replacement Part # QL77JC4-4PK. Consult owners manual for proper part number identification and proper installation. Please refer to list for compatibility. Compatible with the Following Review: Good product - Needed to tune up my outboard motor. Works great Review: SPARK PLUGS - THE RIGHT SPARK PLUGS FOR TUNING UP OUR LAWN MOWER ## Features - Consult owners manual for proper part number identification and proper installation - Genuine Champion Spark Plugs - Please refer to list for compatibility - Champion copper plus small engine spark plugs feature a copper core electrode that provides increased conductivity and heat control while delivering good overall wear characteristics ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01GTXU5GU | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #12,570 in Automotive ( See Top 100 in Automotive ) #63 in Automotive Replacement Spark Plugs | | Brand | Champion | | Brand Name | Champion | | Compatible with Vehicle Type | Car, Truck | | Core Material | Copper | | Customer Reviews | 4.7 out of 5 stars 898 Reviews | | Included Components | 828M | | Manufacturer | Champion | | Manufacturer Part Number | 828M QL77JC4 | | Manufacturer Warranty Description | Includes manufacturer provided warranty | | Model Number | C33828M | | Number of Items | 4 | | OEM Equivalent Part Number | 828M QL77JC4 | | Thread Size | 14mm x 1.25 | | Top Material Type | Metal | | UPC | 037551121984 | | Unit Count | 4.0 Count | | Vehicle Service Type | Car, Truck | ## Product Details - **Brand:** Champion - **Core Material:** Copper - **Thread Size:** 14mm x 1.25 - **Top Material Type:** Metal - **Vehicle Service Type:** Car, Truck ## Images ![828M Pack of 4 Copper Marine Spark Plugs (QL77JC4) - Image 1](https://m.media-amazon.com/images/I/71jWEKnJ-RL.jpg) ![828M Pack of 4 Copper Marine Spark Plugs (QL77JC4) - Image 2](https://m.media-amazon.com/images/I/81j8Np4k5AL.jpg) ![828M Pack of 4 Copper Marine Spark Plugs (QL77JC4) - Image 3](https://m.media-amazon.com/images/I/81eReU0eiiL.jpg) ![828M Pack of 4 Copper Marine Spark Plugs (QL77JC4) - Image 4](https://m.media-amazon.com/images/I/81YiQSx8T2L.jpg) ## Questions & Answers **Q: will this plug work on a 120 hp Evinrude out board enigen** A: This work for everude 1975 115 hp **Q: Will it fit 1983 90 hp evinrude?** A: Works very well with my 87 evenrude **Q: Will they work on 1979 Johnson 25 hp?** A: Works very well with my 87 evenrude **Q: How do you ship?** A: Mine came USPS in a padded envelope in about 5-7 days. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good product *by R***K on February 10, 2026* Needed to tune up my outboard motor. Works great ### ⭐⭐⭐⭐⭐ SPARK PLUGS *by M***I on November 25, 2025* THE RIGHT SPARK PLUGS FOR TUNING UP OUR LAWN MOWER ### ⭐⭐⭐⭐⭐ Timely shipping *by U***U on September 22, 2025* Timely delivery with a fair price. Can't say anything about plugs but they should be fine when I change them out in the spring. ## Frequently Bought Together - Champion 828M Pack of 4 Copper Marine Spark Plugs (QL77JC4) - 4 Wire Set Marine Spark Plug Wire Lead, Fits for Johnson Evinrude 90 115 HP, Outboard Engines OE Replacement 18-8839 9-28092, Premium Ignition Spark Plug Wire Set - Ignition Coil for Johnson Outboard Motor Evinrude 1985-2005 4HP to 300HP 60hp 70 hp 90 hp 100hp 115hp 125hp 140hp 200 hp 225hp Replaces 18-5179 183-2508 582508 72010 4 Packs --- ## 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.us/products/83027755-828m-pack-of-4-copper-marine-spark-plugs-ql77jc4](https://www.desertcart.us/products/83027755-828m-pack-of-4-copper-marine-spark-plugs-ql77jc4) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-14*