{"product_id":"sierra-marine-4-stroke-catalyst-engine-oil-18-9440cat-4","title":"Sierra Marine 4-Stroke Catalyst Engine Oil (MPN: 18-9440CAT-4)","description":"\u003ch2\u003eHigh-performance synthetic blend for modern marine engines.\u003c\/h2\u003e\r\n\u003cp\u003eSierra Marine 4-Stroke Catalyst Engine Oil is specifically formulated to meet the demands of high horsepower marine engines. This SAE 25W-40 synthetic blend oil is designed for both recreational engines with and without emission catalyst systems, ensuring optimal performance in various marine conditions. The oil minimizes corrosion within the engine and features enhanced detergent properties that help suspend and prevent sludge formation, contributing to a cleaner engine environment.\u003c\/p\u003e\r\n\u003cp\u003eWith industry-leading wear protection and deposit control, this engine oil prevents excessive thinning during extreme performance operations. It utilizes advanced ZDDP anti-wear additive technology to protect critical engine components, while also preventing phosphorous depletion, which extends the life of emission catalysts. Certified by NMMA FC-W and API-SL, this oil meets or exceeds the requirements of modern marine engines, making it a reliable choice for boat owners looking to maintain engine efficiency and longevity.\u003c\/p\u003e\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eMeets Requirements Of Modern 4-Stroke Recreational Engines With Or Without Emission Catalyst Systems\u003c\/li\u003e\r\n    \u003cli\u003eMinimizes Corrosion That Is Formed Inside The Engine\u003c\/li\u003e\r\n    \u003cli\u003eDisplays Enhanced Detergent Properties To Suspend And Prevent Engine Sludge Formation\u003c\/li\u003e\r\n    \u003cli\u003eIndustry Leading Wear Protection And Deposit Control\u003c\/li\u003e\r\n    \u003cli\u003ePrevents Excessive Thinning Under Extreme Performance Operations\u003c\/li\u003e\r\n    \u003cli\u003eCapitalizing On \"ZDDP\" Anti-Wear Additive Technology\u003c\/li\u003e\r\n    \u003cli\u003ePrevents Phosphorous Depletion And Extends The Emission Catalyst Life\u003c\/li\u003e\r\n    \u003cli\u003eNMMA FC-W Certified And API-SL\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eManufacturer: Sierra Marine\u003c\/li\u003e\r\n    \u003cli\u003eManufacturer Part Number: 18-9440CAT-4\u003c\/li\u003e\r\n    \u003cli\u003eUse: Marine Use\u003c\/li\u003e\r\n    \u003cli\u003eEngine Type: 4 Stroke\u003c\/li\u003e\r\n    \u003cli\u003eViscosity Grade: SAE 25W-40\u003c\/li\u003e\r\n    \u003cli\u003eType: Synthetic\u003c\/li\u003e\r\n    \u003cli\u003eUnit Size: 1.25 Gallon\u003c\/li\u003e\r\n    \u003cli\u003eUnit Quantity: Single\u003c\/li\u003e\r\n    \u003cli\u003eUniversality: Semi-Universal\u003c\/li\u003e\r\n    \u003cli\u003eUnit Type: Jug\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eTechnical Documents\u003c\/h3\u003e\n\u003cul\u003e\r\n    \u003cli\u003e\u003ca href=\"https:\/\/vehiclepartimages.com\/PMDT\/S5M\/TechnicalBulletins\/18-9440CAT-4_sds.pdf\" target=\"_blank\"\u003e18-9440CAT-4_sds.pdf\u003c\/a\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eProduct Videos\u003c\/h3\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/vehiclepartimages.com\/PMDT\/S5M\/Videos\/Dometic%20Booth%20-%20Sierra%20Oils%20and%20Lubricants.mp4?autoplay=0\" loading=\"lazy\" style=\"max-width: 560px; width: 100%; aspect-ratio: 560\/360;\" frameborder=\"0\" allow=\"accelerometer; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share; fullscreen\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\r\n","brand":"NTP-Stag","offers":[{"title":"Default Title","offer_id":47371152982255,"sku":"S5M189440CAT4","price":84.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1583\/3619\/files\/ImageServerAPI_12348f76-a5e3-431c-8815-bf16f283e374.jpg?v=1772881456","url":"https:\/\/www.sprinterpartsdepot.com\/products\/sierra-marine-4-stroke-catalyst-engine-oil-18-9440cat-4","provider":"Sprinter Parts Depot","version":"1.0","type":"link"}