{"product_id":"ciweisah-outboard-ignition-coils-for-johnson-evinrude-black-2-pack-direct-fit-4-300hp","title":"Ciweisah Outboard Ignition Coils for Johnson \u0026 Evinrude — Black 2-Pack, Direct-Fit 4–300HP","description":"\u003cp\u003e\u003cstrong\u003eCiweisah two-pack ignition coils replace part numbers 582508 \/ 183-2508 \/ 18-5179 and supply the high-voltage spark your Johnson or Evinrude outboard needs to start reliably.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned as a direct-fit replacement for many Johnson and Evinrude\/OMC outboard engines, this pair of black ignition coils is built to restore spark performance across a wide horsepower range—from small 4HP up to heavy 300HP units. Each coil amplifies low battery voltage to the levels required for efficient ignition. The package contains two identical coils, with straightforward installation for mechanics and do-it-yourselfers familiar with outboard ignition systems. Always verify your engine model and part number before installing.\u003c\/p\u003e\n\n\u003ch3\u003eWill these coils work with my Johnson or Evinrude outboard?\u003c\/h3\u003e\n\u003cp\u003eThese Ciweisah coils are made to replace OEM part numbers 582508, 183-2508, and 18-5179 and fit many Johnson and Evinrude (BRP\/OMC) models across several horsepower categories. Compatibility spans smaller engines like 4–15HP up through large powerplants up to 300HP, though fitment should be confirmed by matching part numbers and engine model.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces part numbers: 582508, 183-2508, 18-5179.\u003c\/li\u003e\n  \u003cli\u003eIntended for Johnson and Evinrude\/OMC outboards.\u003c\/li\u003e\n  \u003cli\u003eCovers a wide HP range: 4HP to 300HP (check model-specific fit).\u003c\/li\u003e\n  \u003cli\u003ePackage includes two ignition coils (2-pack).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these coils improve starting and ignition?\u003c\/h3\u003e\n\u003cp\u003eThe ignition coil converts and multiplies the battery’s low voltage into the high-voltage pulse needed to create a spark at the plug. Replacing a weakened or damaged coil restores consistent spark energy, which can reduce misfires and hard starts without altering engine tuning.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAmplifies battery voltage into a strong spark for ignition.\u003c\/li\u003e\n  \u003cli\u003eHelps reduce misfires and uneven running caused by weak coils.\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet original OEM electrical output characteristics.\u003c\/li\u003e\n  \u003cli\u003eSold as a matched pair to replace worn coils together.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with outboard ignition work: remove the old coil, transfer any brackets or wires as needed, then secure the new coil in the original mounting location. Use caution around electrical connections and follow the engine maker’s service manual for torque and wiring diagrams.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple swap: remove old coil, install the Ciweisah coil in the original spot.\u003c\/li\u003e\n  \u003cli\u003eTransfer mounting hardware and ensure secure wiring connections.\u003c\/li\u003e\n  \u003cli\u003eInspect spark plug wires and boots while servicing the coil.\u003c\/li\u003e\n  \u003cli\u003eAlways confirm correct coil orientation and clearance per manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and reliable are these replacement coils?\u003c\/h3\u003e\n\u003cp\u003eConstructed for marine conditions, these coils use materials and winding specifications intended to handle normal outboard operating environments. While not an OEM-branded coil, the units are built to provide stable spark output and withstand the vibration and temperature ranges typical of boating applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMarine-suitable construction for vibration resistance.\u003c\/li\u003e\n  \u003cli\u003eEncapsulated windings to protect against moisture and contaminants.\u003c\/li\u003e\n  \u003cli\u003ePair packaging lets you replace both coils to maintain balanced ignition.\u003c\/li\u003e\n  \u003cli\u003eCheck engine-specific service intervals for preventative replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? Boaters, mechanics, and marine DIYers who need a cost-effective, direct-fit ignition coil replacement for Johnson and Evinrude outboards will find value in this Ciweisah 2-pack. It’s aimed at anyone restoring spark performance on small to large horsepower engines (double-check part numbers and engine models before purchase). Ideal when you want a straightforward replacement that matches common OEM part references 582508 \/ 183-2508 \/ 18-5179 and comes ready for installation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which part numbers do these coils replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They replace 582508, 183-2508, and 18-5179 compatible with many Johnson and Evinrude\/OMC engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is installation difficult for a DIYer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, installation is a direct swap if you follow the engine service manual and match wiring and mounting.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ciweisah","offers":[{"title":"Default Title","offer_id":67589684920505,"sku":"B0D9JGH1DD","price":75.24,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ciweisah-front-view-ignition-coils.jpg?v=1790531257","url":"https:\/\/redleafauto.ca\/products\/ciweisah-outboard-ignition-coils-for-johnson-evinrude-black-2-pack-direct-fit-4-300hp","provider":"Redleaf Auto","version":"1.0","type":"link"}