{"product_id":"sierra-18-9400cat-4-catalyst-25w40-4-stroke-marine-engine-oil-5-quart-4-7-l","title":"Sierra Catalyst Oil 25W-40, 5 Quart (4.7 L), 18-9400CAT-4","description":"\u003cp\u003eSierra Catalyst Oil 25W-40 is a 4-stroke catalyst engine oil packaged in a 5 quart (4.7 L) bottle, part number 18-9400CAT-4. The 25W-40 SAE viscosity grade is formulated to support engines equipped with catalytic converters, helping protect internal components while keeping the engine running within its intended operating range across varying temperatures. This oil is compatible with water scooter vehicle types, making it suitable for personal watercraft and similar 4-stroke marine engine applications that call for a catalyst-rated oil.\u003c\/p\u003e\u003cp\u003eThe 5 quart size is packaged 4 to a case, making it a convenient option for a full oil change plus reserve, or for owners who service more than one unit. Store the bottle upright in a cool, dry location and reseal it tightly after each use to protect the oil from contamination.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-9400CAT-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Catalyst Oil 25W-40 5 Quart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity Grade:\u003c\/strong\u003e 25W-40 SAE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 5 Quarts (4.7 Liters)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiquid Volume:\u003c\/strong\u003e 160 Fluid Ounces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContainer Type:\u003c\/strong\u003e Bottle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Quantity:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Vehicle Type:\u003c\/strong\u003e Water Scooter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e 4-Stroke Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282325923\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 7.37 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat viscosity is Sierra Catalyst Oil 18-9400CAT-4?\u003c\/strong\u003e It is a 25W-40 SAE grade catalyst oil, packaged in a 5 quart (4.7 L) bottle under Sierra part number 18-9400CAT-4.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many quarts are in one bottle of 18-9400CAT-4?\u003c\/strong\u003e Each bottle of Sierra Catalyst Oil 25W-40 contains 5 quarts (4.7 liters), equal to 160 fluid ounces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is catalyst oil and why does my engine need it?\u003c\/strong\u003e Catalyst oil is a lubricant formulated for 4-stroke engines equipped with catalytic converters; Sierra's 18-9400CAT-4 is the 25W-40 grade version sized at 5 quarts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat vehicle types is this oil compatible with?\u003c\/strong\u003e Sierra Catalyst Oil 25W-40 (18-9400CAT-4) is compatible with water scooter vehicle types, such as personal watercraft using catalyst-equipped 4-stroke engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does a bottle of 18-9400CAT-4 weigh?\u003c\/strong\u003e A 5 quart bottle of Sierra Catalyst Oil 25W-40, part number 18-9400CAT-4, weighs 7.37 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat container does the oil come in?\u003c\/strong\u003e The 18-9400CAT-4 is packaged in a 5 quart bottle, sold individually or 4 bottles per case.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs 18-9400CAT-4 sold as a single bottle or a case?\u003c\/strong\u003e This listing is for a single 5 quart bottle of Sierra Catalyst Oil 25W-40; the case quantity for 18-9400CAT-4 is 4 bottles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes Sierra offer this catalyst oil in other sizes?\u003c\/strong\u003e Yes, Sierra's 25W-40 catalyst oil in the 18-9400CAT line is also available in other container sizes; the 18-9400CAT-4 specifically is the 5 quart (4.7 L) bottle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat category of oil is 18-9400CAT-4 classified under?\u003c\/strong\u003e Sierra Catalyst Oil 25W-40 (18-9400CAT-4) is categorized as a 4-Stroke Oil.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow should I store 18-9400CAT-4 catalyst oil?\u003c\/strong\u003e Keep the bottle upright in a cool, dry place and reseal it tightly after each use to prevent contamination of the 25W-40 catalyst oil.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988436594907,"sku":"SIE-18-9400CAT-4","price":50.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/18-9400CAT-4.png?v=1784938591","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-9400cat-4-catalyst-25w40-4-stroke-marine-engine-oil-5-quart-4-7-l","provider":"Good Vibes Marina","version":"1.0","type":"link"}