{"product_id":"convoy-ultra-ck-4-hd-15w-40-mineral-10l-pen-dhd010","title":"CONVOY ULTRA CK-4 HD 15W-40 MINERAL 10L - PEN-DHD010","description":"The Penrite PEN-DHD010 CONVOY ULTRA CK-4 HD 15W-40 MINERAL 10L is a high-performance heavy-duty mineral diesel engine oil formulated with hydrocracked base stocks and advanced OEM-approved additive technology for modern diesel engines. Designed for vehicles with and without Diesel Particulate Filters (DPF) and Selective Catalytic Reduction (SCR) systems, it provides excellent protection against wear, deposits, oxidation, and soot thickening while helping maximise emission system durability. Licensed by the API to meet CK-4 performance standards, it delivers improved shear stability, aeration control, and long-term protection under severe operating conditions. Suitable for commercial vehicles, mining, agricultural equipment, marine engines, generator sets, and mixed fleets requiring SAE 15W-40 heavy-duty diesel engine oil.","brand":"PENRITE","offers":[{"title":"Default Title","offer_id":49072180986107,"sku":"PEN-DHD010","price":140.01,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/6030\/4123\/files\/61672.png?v=1784108531","url":"https:\/\/www.tranzmile.com\/products\/convoy-ultra-ck-4-hd-15w-40-mineral-10l-pen-dhd010","provider":"Tranzmile - Truck Trailer \u0026 Parts","version":"1.0","type":"link"}