Description Experience superior engine protection and extended drain intervals with Mobil 1 Delvac 5W-40, the fully synthetic heavy-duty diesel oil built for severe applications. Meets/exceeds major OEM specs, boosts fuel economy, and protects emission systems Mobil 1 Delvac, 5W-40, fully synthetic, heavy-duty diesel engine oil, extended drain intervals, fuel economy, emission system protection, API, ACEA, OEM approvals Specifications: Oil Type: Full Synthetic Viscosity: 5W-40 API Specifications: SN, CK-4 (meets or exceeds) ACEA Specifications: E7, E9, E4, A3/B4, C3 (meets or exceeds) OEM Approvals: Refer to the Mobil website for specific vehicle compatibility Key Features: Outstanding wear protection and long engine life Exceptional high-temperature and oxidation stability Improved fuel economy potential Low ash content for emission system compatibility Excellent cold start performance
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