| Manufacturer | Model | Version | Engine code | Construction type | Construction start | Construction end | Pk | Power kw |
| Manufacturer | Productnumber |
| SEAT | 1J0 127 247 A , 1J0127247A |
| SEAT | 1J0127247A |
| VW | 1J0 127 247 A , 1J0127247A |
| SKODA | 1J0 127 247 A , 1J0127247A |
| AUDI | 1J0 127 247 A , 1J0127247A |
| Usage numbers |
| 1 457 414 021 |
| 1.457.414.021 |
| 3 |
| 16514E+12 |
The Valve, fuel filter (1 457 414 021) regulates fuel flow and maintains stable pressure within the filtration system. Replacing a faulty valve restores proper fuel delivery and protects engine components. Use Porza’s smart search to find the correct part.
Bosch – Quality and Innovation in Car Parts
Bosch is a globally recognized leader in automotive technology and car parts. Founded in Germany in 1886, the brand has built a strong reputation for reliability, technical innovation, and premium-quality products for over a century. The Bosch Car Parts division offers an extensive range of components for both passenger cars and commercial vehicles, compatible with nearly all makes and models.
The product range includes brake systems, spark plugs, batteries, wiper blades, filters, sensors, and electronic components. Bosch is also a market leader in engine management systems and vehicle electronics, including ABS, ESP, and fuel injection systems. Every part is manufactured to the highest OEM standards and undergoes rigorous quality control to ensure performance and safety.
A valve in a fuel filter is a functional component that controls the flow and direction of fuel within the filter system. Depending on the design, it may act as a non-return (check) valve, pressure relief valve, or thermostatic valve. Its purpose is to maintain proper fuel pressure, prevent backflow, and ensure optimal fuel circulation, especially in modern fuel systems and diesel applications.
Key specifications include valve type (check, pressure, or thermostatic), opening pressure, flow rate capacity, connection type, and material composition. Valves are typically made from durable plastics or metal alloys with internal seals resistant to fuel. They must operate reliably under pressure and temperature ranges commonly from -30°C to +120°C, while maintaining precise control of fuel flow.
Replacement is necessary when the valve becomes stuck, leaks, or fails to regulate fuel flow properly. Symptoms may include starting issues, pressure loss, poor engine performance, or fuel system faults. In many cases, the valve is replaced together with the fuel filter or as part of a maintenance procedure.
Porza offers a fit guarantee option where your vehicle details or technical specifications are checked against product data. This ensures the valve matches the correct function, pressure requirements, and connection type for your fuel system, reducing the risk of incorrect fitment.
Porza supplies high-quality fuel system components with fast delivery across Europe. Customers can order online or choose in-store pickup in the Netherlands, Germany, or Belgium. This allows quick and flexible access to essential parts for both professional workshops and individual users.
If you select the fit guarantee, Porza verifies compatibility before shipment. If the product does not fit or meet expectations, it can be returned according to the return policy. This ensures a reliable and risk-free purchasing experience.