{"id":2323,"date":"2026-05-06T15:40:26","date_gmt":"2026-05-06T07:40:26","guid":{"rendered":"https:\/\/waycred.com\/?post_type=product&#038;p=2323"},"modified":"2026-05-28T15:51:48","modified_gmt":"2026-05-28T07:51:48","slug":"premium-synthetic-blend-15w-40-ck-4-sn-oe-approved","status":"publish","type":"product","link":"https:\/\/www.waycred.com\/en_ca\/product\/premium-synthetic-blend-15w-40-ck-4-sn-oe-approved\/","title":{"rendered":"Premium Synthetic Blend 15W-40 CK-4\/SN (OE Approved)"},"content":{"rendered":"<ul>\n<li>For all new engines requiring CK-4 fluid and are also backward compatible with old API service catagories<\/li>\n<li>Premium conventional and synthetic base stocks with next-generation additive technology<\/li>\n<li>Suitable for both on and off-road driving conditions<\/li>\n<li>OEM approvals from Cummins, Detroit Diesel, Mercedes Benz, Volvo, Mack and Renault (15w40 and 10w30)<\/li>\n<li>See Product Data Sheet (PDS) for a complete list of OEM specifications<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>For all new engines requiring CK-4 fluid and are also backward compatible with old API service catagories Premium conventional and synthetic base stocks with next-generation additive technology Suitable for both on and off-road driving conditions OEM approvals from Cummins, Detroit Diesel, Mercedes Benz, Volvo, Mack and Renault (15w40 and 10w30) See Product Data Sheet (PDS) [&hellip;]<\/p>","protected":false},"featured_media":2324,"template":"","meta":{"_acf_changed":false},"bolt-pattern":[],"offsets":[],"passenger-cars":[],"products_keywords":[],"select-make":[],"select-model":[],"select-year":[],"size":[],"specifications":[],"wheel-size":[],"product_brand":[161],"product_cat":[360,76],"product_tag":[],"class_list":{"0":"post-2323","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-starfire","7":"product_cat-heavy-duty-engine-oil","8":"product_cat-lubricant","10":"first","11":"instock","12":"sale","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-variable"},"acf":[],"_links":{"self":[{"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/product\/2323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/media\/2324"}],"wp:attachment":[{"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/media?parent=2323"}],"wp:term":[{"taxonomy":"bolt-pattern","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/bolt-pattern?post=2323"},{"taxonomy":"offsets","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/offsets?post=2323"},{"taxonomy":"passenger-cars","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/passenger-cars?post=2323"},{"taxonomy":"products_keywords","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/products_keywords?post=2323"},{"taxonomy":"select-make","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/select-make?post=2323"},{"taxonomy":"select-model","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/select-model?post=2323"},{"taxonomy":"select-year","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/select-year?post=2323"},{"taxonomy":"size","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/size?post=2323"},{"taxonomy":"specifications","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/specifications?post=2323"},{"taxonomy":"wheel-size","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/wheel-size?post=2323"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/product_brand?post=2323"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/product_cat?post=2323"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.waycred.com\/en_ca\/wp-json\/wp\/v2\/product_tag?post=2323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}