{"product_id":"champion-ql78yc-marine-spark-plug-938s-shop-pack-24-count-4-stroke-outboard-24-ql78ycsp","title":"Champion QL78YC Marine Spark Plug | #938S Shop Pack | 24-Count | Long-Reach 4-Stroke Outboard","description":"\u003ch2\u003eStock Up for the Season — QL78YC in a 24-Count Shop Pack.\u003c\/h2\u003e\u003cp\u003eThe Champion #938S Shop Pack gives you 24 QL78YC marine spark plugs in a single purchase — the same plug as the \u003ca href=\"\/products\/champion-ql78yc-marine-spark-plug-938m-4-pack-long-reach-4-stroke-outboard-24-ql78yc\"\u003eChampion #938M 4-Pack\u003c\/a\u003e, in a bulk quantity designed for marine service shops, dealers, and boaters who service multiple vessels or want to stock up for the season.\u003c\/p\u003e\u003cp\u003eThe QL78YC is a long-reach, projected-tip marine spark plug for 4-stroke outboard engines, featuring a standard ground electrode with resistor construction for RFI suppression. At 24 plugs per pack, the per-plug cost is significantly lower than buying individual 4-packs.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eChampion QL78YC marine spark plug — 24-count shop pack (Champion #938S)\u003c\/li\u003e\n\u003cli\u003eSame plug as the #938M 4-Pack — bulk quantity for service shops and multi-vessel owners\u003c\/li\u003e\n\u003cli\u003eLong-reach QL-series thread with projected tip — for 4-stroke outboard engines requiring deeper plug engagement\u003c\/li\u003e\n\u003cli\u003eStandard ground electrode with resistor construction for RFI suppression\u003c\/li\u003e\n\u003cli\u003eDesigned for 4-stroke marine outboard applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEvinrude and Johnson 4-stroke outboard engines specifying Champion QL78YC or equivalent\u003c\/li\u003e\n\u003cli\u003eMercury and Mariner 4-stroke outboard engines specifying Champion QL78YC or equivalent\u003c\/li\u003e\n\u003cli\u003eMarine service shops and dealers performing high-volume 4-stroke outboard tune-ups\u003c\/li\u003e\n\u003cli\u003eBoaters servicing multiple outboards or stocking for the full season\u003c\/li\u003e\n\u003cli\u003eVerify fitment using your engine's owner's manual or the Champion spark plug application guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003eThe shop pack is the right buy for any marine service operation that regularly tunes 4-stroke outboards specifying the QL78YC. Having a full box on hand means you're never waiting on a parts order mid-service, and the per-plug cost at 24 count is meaningfully lower than buying 4-packs individually.\u003c\/p\u003e\u003cp\u003eIf you only need plugs for a single engine service, the \u003ca href=\"\/products\/champion-ql78yc-marine-spark-plug-938m-4-pack-long-reach-4-stroke-outboard-24-ql78yc\"\u003eChampion QL78YC #938M 4-Pack\u003c\/a\u003e is the right quantity. For Mercury 4-stroke outboards specifying the 4-ground-electrode plug, see the \u003ca href=\"\/products\/champion-ql77jc4-marine-spark-plug-828m-4-pack-mercury-4-stroke-24-ql77jc4\"\u003eChampion QL77JC4 #828M\u003c\/a\u003e or the \u003ca href=\"\/products\/champion-ql77jc4-marine-spark-plug-828s-shop-pack-24-count-mercury-4-stroke-24-ql77jc4sp\"\u003eChampion QL77JC4 #828S Shop Pack\u003c\/a\u003e.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51250815172644,"sku":"24-QL78YCSP","price":252.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/24-UL77VSP_65500421-58cf-4cbd-8729-a1e8bb801bdb.jpg?v=1786510604","url":"https:\/\/marisolmarine.com\/products\/champion-ql78yc-marine-spark-plug-938s-shop-pack-24-count-4-stroke-outboard-24-ql78ycsp","provider":"Marisol Marine Company","version":"1.0","type":"link"}