The Bosch P7278 (F026407278) is a cartridge-style oil filter designed for modern Volkswagen and Audi petrol engines. With this design, only the paper filter element is replaced while the housing remains fixed on the engine. This approach is now standard on many newer VAG engines because it supports cleaner oil circulation and better temperature control.
This filter is engineered specifically for 3-cylinder and 4-cylinder VW and Audi petrol engines, where precise oil flow and heat management are critical. The permanent filter housing, usually made from durable plastic or composite material, works alongside the engine’s lubrication and cooling system to help maintain stable operating temperatures and reduce internal wear.
Using the correct cartridge oil filter helps trap fine contaminants while keeping oil pressure consistent. Bosch filters are built to original equipment standards, which is why Bosch filtration systems are widely trusted by vehicle manufacturers. You can learn more about Bosch’s filtration technology directly from Bosch Automotive.
At Dub Source JA, we stock genuine Bosch oil filters to ensure proper fitment and reliable performance. Customers servicing their engines often pair oil filter replacement with the correct engine oil and coolant, both of which are available on our website and in our coolants collection.
For drivers who want a deeper understanding of how modern VW and Audi engines are designed to operate, official technical and service guidance can be found on the Volkswagen and Audi websites. These engines are designed to perform best when the correct filtration components are used.
If you’re servicing a newer VW or Audi petrol engine and want dependable, factory-level protection, the Bosch P7278 is a solid and reliable choice.
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