Product Overview & Specifications
S-Oil Seven Gold #9 C3 5W-40 is a state-of-the-art, full synthetic engine lubricant engineered for optimal performance in modern, high-precision gasoline and diesel engines. Formulated with high-quality Group III (VHVI – Very High Viscosity Index) hydrocracked base oils, often augmented with advanced Group III+ or even Group IV (PAO – Polyalphaolefin) components depending on specific formulation revisions, this oil delivers exceptional thermal stability, oxidative resistance, and shear stability. Its advanced additive package, characterized by a Mid SAPS (Sulfated Ash, Phosphorus, Sulfur) profile, adheres to the stringent ACEA C3 classification, making it particularly suitable for vehicles equipped with Diesel Particulate Filters (DPF) or Gasoline Particulate Filters (GPF), ensuring their longevity and efficiency. The “Gold #9” designation indicates a premium tier product within S-Oil’s portfolio, signifying enhanced protection against wear, deposits, and sludge accumulation, while promoting extended drain intervals and improved fuel economy compared to conventional lubricants. The 5W-40 viscosity grade offers robust protection across a broad temperature spectrum, from extreme cold starts to sustained high operating temperatures under severe load. Its core target audience encompasses modern European gasoline and diesel vehicles, high-performance Asian models, and any engine requiring a robust, Mid SAPS 5W-40 lubricant with comprehensive OEM approvals.
Technical Characteristics Table
Here are the key universal technical metrics for this motor oil:
| Parameter | Value / Specification |
|---|---|
| SAE Viscosity Grade | 5W-40 |
| Base Oil Type | Full Synthetic (VHVI Group III+, potentially with PAO blend) |
| OEM Approvals & Licenses | MB-Approval 229.51, BMW Longlife-04 (LL-04), VW 505.00 / 505.01, Porsche C40, Opel/Vauxhall OV0401547 (Dexos2 equivalent), Renault RN0700 / RN0710 (pending specific revision) |
| ACEA / API Classifications | ACEA C3, API SP, API SN Plus |
Recommended Applications & Car Compatibility
S-Oil Seven Gold #9 C3 5W-40 is engineered for a broad range of contemporary vehicles, particularly those manufactured by European OEMs. Its ACEA C3 specification and robust OEM approvals make it an excellent choice for a multitude of engines:
- European Premium Brands: Ideal for Mercedes-Benz engines requiring MB 229.51, BMW engines specifying LL-04 (essential for diesel models with DPFs and increasingly recommended for many gasoline engines), and Volkswagen Group vehicles (Audi, VW, Skoda, Seat) requiring VW 505.00/505.01 for turbocharged diesel engines and certain high-performance gasoline units. Its Porsche C40 approval signifies suitability for specific high-performance Porsche gasoline engines.
- Modern Diesel Engines: Indispensable for diesel vehicles equipped with Diesel Particulate Filters (DPF), as its Mid SAPS formulation prevents the accumulation of ash, which can clog and damage these sensitive emission control devices. This includes a wide array of passenger cars and light commercial vehicles from various manufacturers.
- Gasoline Direct Injection (GDI) & Turbocharged Engines: The API SP classification ensures superior protection against Low-Speed Pre-Ignition (LSPI), a critical concern for modern GDI and TGDI (Turbocharged GDI) engines. Its excellent thermal stability and resistance to oxidation provide robust protection for turbocharger bearings and prevent deposit formation in high-temperature environments.
- Gasoline Particulate Filter (GPF) Equipped Engines: With the increasing prevalence of GPFs in gasoline engines, the Mid SAPS ACEA C3 rating is crucial for preventing ash buildup and ensuring the long-term effectiveness of these filters.
- High-Performance Asian Vehicles: Suitable for many modern Hyundai, Kia, Mazda, and Subaru models that specify a robust API SP 5W-40 or an ACEA C3 lubricant for enhanced engine durability and emissions system protection.
Operating Conditions & Drain Intervals
- Standard Drain Interval: For vehicles operating under typical driving conditions, such as regular highway commuting with consistent speeds and moderate loads, S-Oil Seven Gold #9 C3 5W-40 is formulated to support extended drain intervals. This typically ranges from 10,000 to 15,000 miles (16,000 to 24,000 kilometers) or up to 1 year, whichever comes first, in adherence to OEM recommendations for approved lubricants. Adherence to manufacturer service schedules and oil life monitoring systems is paramount.
- Severe Service Interval: Under severe operating conditions, such as frequent short trips, prolonged idling, heavy city traffic with extensive stop-and-go driving, towing heavy loads, track usage, or exposure to extreme hot or cold ambient temperatures, the oil’s lifespan is considerably reduced. For these scenarios, it is strongly recommended to shorten the drain interval to approximately 5,000 to 7,500 miles (8,000 to 12,000 kilometers) or 6 months, whichever occurs first, to maintain optimal engine protection and lubricant integrity.
- Temperature Performance: This 5W-40 lubricant exhibits exceptional performance across a vast temperature range. The “5W” designation ensures outstanding cold-start fluidity, providing rapid oil circulation to critical engine components within seconds of ignition, even in ambient temperatures well below 0°C (32°F). This minimizes wear during the most critical phase of engine operation. At the higher end, the “40” rating signifies a robust high-temperature, high-shear (HTHS) viscosity. This maintains a strong lubricating film under extreme heat, high engine speeds, and heavy loads, effectively protecting components like turbochargers and camshafts from wear and scuffing during sustained high-stress operation in hot climates or under demanding driving conditions.
Usage Restrictions & Limitations
While S-Oil Seven Gold #9 C3 5W-40 is a highly versatile and robust lubricant, its specific formulation dictates certain usage restrictions to ensure optimal engine health and compliance with manufacturer specifications:
- High SAPS Requirements: This oil is a Mid SAPS (Sulfated Ash, Phosphorus, Sulfur) formulation. It should NOT be used in engines explicitly requiring a High SAPS (ACEA A3/B3, A3/B4) lubricant that does not also permit C3. Some older or specific high-performance engines, particularly those without DPFs/GPFs, may be engineered to benefit from higher levels of anti-wear additives and detergents typically found in High SAPS oils, and using a Mid SAPS oil could, in some cases, lead to reduced wear protection if not specifically approved by the OEM.
- Incompatible Viscosity Grades: Do NOT use this 5W-40 oil in engines that strictly specify a different viscosity grade, such as 0W-20, 5W-30, or 10W-60, without explicit manufacturer approval. Substituting an incorrect viscosity can lead to inadequate lubrication pressure, increased internal friction, reduced fuel efficiency, or compromised hydraulic lifter/variable valve timing system operation.
- Older Engine Seal Compatibility: While modern full synthetics are generally safe for all engine seals, severely neglected very old engines (pre-1990s) with original, hardened seal materials might experience issues. The potent cleaning detergents in synthetics can sometimes expose pre-existing leaks by dissolving sludge deposits that were inadvertently acting as temporary seals. This is rare and not a limitation of the oil itself but a caution for extremely aged or poorly maintained units.
- Specific OEM Approvals: Always verify that the specific OEM approvals listed on this product match the requirements outlined in your vehicle’s owner’s manual. While ACEA C3 is a general classification, specific OEM approvals (e.g., MB 229.51, BMW LL-04) indicate that the oil has passed rigorous proprietary tests and is guaranteed to meet the manufacturer’s precise performance criteria. Absence of a required OEM approval, even with the correct ACEA specification, should be a strong deterrent to use.
