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Does Honda use Castrol oil?

Honda does not rely exclusively on Castrol; oils only need to meet Honda’s specifications. Castrol is one of many brands that can satisfy those specs, but Honda Genuine Motor Oil remains the recommended option for many owners.


In practice, Honda’s guidance centers on using a oil that meets the carmaker’s requirements rather than a specific brand. Castrol-branded oils can be appropriate substitutes if they clearly meet the same API and ILSAC specifications and the proper viscosity for your model. Below is a detailed look at how Honda views engine oil, whether Castrol can be used, and how you can verify compatibility.


What Honda recommends for engine oil


Honda’s official guidance emphasizes using Honda Genuine Motor Oil or any oil that satisfies Honda’s specified standards. For most newer Honda models, the recommended viscosity is 0W-20, though some engines or markets may call for 5W-20 or other grades. The key requirements are that the oil meets API service standards and ILSAC specifications appropriate to the vehicle, and that the chosen viscosity matches what the owner’s manual prescribes. Always consult your owner’s manual or a Honda dealer for the exact grade and specification for your vehicle and region.


Honda Genuine Motor Oil vs. third-party options


Honda Genuine Motor Oil is formulated to Honda’s tolerances and is often marketed as the safest choice. However, many third-party brands—including Castrol—offer oils that meet the same API and ILSAC specs and the same viscosity. If you choose Castrol, make sure the product label shows the correct API service rating and ILSAC specification, along with the viscosity your engine requires.


Could Castrol oil be used in a Honda?


Yes, Castrol oil can be used in a Honda if it meets the vehicle’s specifications. The brand itself isn’t the deciding factor; compatibility with Honda’s required specifications and the correct viscosity are what matter. Using oil that does not meet the required API/ILSAC standards or the wrong viscosity can affect performance and may affect warranties.


Regional and model variations


Factory-fill practices and recommended oils can vary by region and model year. There is no universal Honda policy that Castrol must be used or that Castrol is the exclusive oil supplier across all markets. Always verify with your local dealership or the vehicle’s owner’s manual for the precise recommendation for your car and region.


How to verify that a Castrol oil meets Honda specs


Before choosing an oil, verify that it aligns with the car’s factory requirements. The following steps help ensure a Castrol product is compatible with a Honda engine:


Before listing your oil, an explanatory paragraph helps guide the selection process.



  • Check the viscosity recommended in your owner’s manual (for example, 0W-20 or 5W-20) and ensure the Castrol oil matches that viscosity.

  • Look for the API service rating on the product label (e.g., API SN, SP, or newer) and the ILSAC GF specification (GF-5 or GF-6, depending on model year) that aligns with Honda’s requirements.

  • Confirm the product is intended for gasoline engines and is compatible with emissions systems, as specified by Honda.

  • Verify that the oil is either Honda Genuine Motor Oil or a Castrol product that explicitly states compatibility with Honda specifications on the label or datasheet.

  • Consider whether your vehicle requires synthetic oil or a synthetic blend, and ensure the Castrol option you choose meets that requirement, as indicated in the manual.


Concluding paragraph after the list: Always double-check the label and documentation. If you’re unsure, consult a Honda dealer or service advisor to confirm that the Castrol product you’re considering meets your specific model’s requirements.


Summary


Bottom line: Honda does not mandate Castrol oil; it requires oils that meet Honda’s specifications. Castrol oils can be used if they meet the requisite API/ILSAC standards and the correct viscosity for your model. The safest approach is to follow the owner’s manual, use Honda Genuine Motor Oil, or choose a Castrol product that explicitly meets Honda’s specifications. Brand is less important than compatibility with the engine’s needs; when in doubt, consult a dealer or qualified technician.

Is Castrol owned by Honda?


Since 2000, Castrol Limited has been a subsidiary of BP, which acquired the company for $4.73 billion.



What brand of oil does Honda use?


Honda uses its own brand of Genuine Honda Motor Oil, which is designed to meet the specific needs and standards of its engines. However, dealerships may use other brands of oil that meet Honda's specifications, and consumers can also purchase other oils as long as they meet the viscosity and other requirements outlined in their owner's manual. 
Genuine Honda oil

  • Honda markets its own "Genuine Honda Motor Oil" to ensure compatibility with its engines. 
  • This oil is formulated to meet Honda's specific performance standards and benefits, such as improved fuel efficiency and engine protection. 
  • It is available in various grades, such as 0W-20 and 5W-20, with full synthetic and other blends being offered for different needs. 

Other oils
  • Dealerships are not always required to use Honda-branded oil, as they may use other premium brands of bulk oil that meet or exceed the vehicle's requirements. 
  • When choosing an aftermarket oil, it is crucial to use a brand that meets the specific viscosity grade (e.g., 0W-20) and specifications recommended in your Honda's owner's manual. 
  • The owner's manual will specify the correct oil type to ensure proper performance and longevity. 



Which oil is best for Honda cars?


The best oil for a Honda depends on the specific model and year, but generally, newer models require a full synthetic oil like 0W-20 or 5W-20. Always check your owner's manual for the exact viscosity and type recommended by the manufacturer for your specific vehicle. While Honda's Genuine Oil is a safe option, high-quality synthetic oils from brands like Mobil 1, Pennzoil, or Castrol are also excellent choices. 
Key considerations

  • Check your owner's manual: This is the most important step to ensure you use the correct viscosity grade (like 0W-20) and type of oil, whether it's synthetic, synthetic blend, or conventional. 
  • Consider synthetic oil: Most modern Hondas are designed to use synthetic oil for better performance, engine protection, and longer intervals between oil changes compared to conventional oil. 
  • Prioritize API certification: Ensure any oil you choose is API certified. This certification ensures the oil meets certain standards for engine protection and performance. 
  • Don't overthink brands: While some oils are specifically formulated for certain conditions, using a reputable brand like Mobil 1, Pennzoil, or Castrol that meets the specified viscosity and API certification is a good choice. 
  • Regular maintenance is key: The most crucial factor is performing regular oil changes at the recommended intervals, regardless of the brand, as this is more important for engine longevity than the specific oil you use. 



Who does Honda get their oil from?


Oil. This relationship allows Honda to sell branded oil products that are tailored to their engine designs. The additives help address issues like Bludge buildup and corrosion.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.