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This guide is for vehicle owners and mechanics needing a reliable electric replacement fuel pump for petrol engines. The key benefit is its direct fit replacement functionality, ensuring consistent fuel delivery. A potential caveat is the importance of verifying compatibility, as part variants are common across Audi and BMW models. This Pierburg Fuel Pump Assembly is an electric spare part designed for specific petrol engines, featuring a 38mm diameter, 133.5mm length, 8mm connectors, 0.3-0.4 bar operating pressure, and 12V operation.
| Model Part Number | 7.21440.51.0 |
|---|---|
| Brand | Pierburg |
This Pierburg Fuel Pump Assembly is specifically designed for petrol (gasoline) engines.
The pump has a diameter of 38mm and a total length of 133.5mm. The fuel connectors are 8mm in diameter.
The operating pressure ranges from 0.3 to 0.4 bar, which is equivalent to 3.2 to 5.5 psi.
No, this is a specific replacement part designed for certain Audi and BMW models. It is crucial to verify compatibility for your exact vehicle.
The fuel pump operates on a standard 12V electrical system.
You must consult a detailed compatibility guide specific to your vehicle's make, model, and year, or contact a qualified mechanic to confirm fitment before purchasing, as part variants are common.
The product description does not specify included hardware. It is recommended to check with the seller or prepare for potentially needing separate fuel line seals, clamps, or other necessary fittings.
Verify electrical connections to the pump. Check fuel lines for kinks or blockages. Ensure the fuel tank has adequate fuel. If issues persist, the pump may be faulty or incorrectly installed.
Check the fuel filter for clogs. Ensure the fuel pump is operating at the correct pressure (0.3-0.4 bar). Inspect for any fuel leaks in the system.
This could indicate a lack of fuel or an internal issue with the pump. Check fuel level and inspect for air leaks in the fuel lines. If the noise persists, the pump may need replacement.
Setup: Installation of this fuel pump assembly should be performed by a qualified mechanic. It involves safely disconnecting the fuel lines, removing the old pump, and installing the new unit, ensuring all connections are secure and leak-free. The electrical connections must also be correctly made to the 12V system.
Compatibility: This part is listed as compatible with various Audi and BMW models. However, it is essential to use the vehicle's specific compatibility guide or consult a professional to confirm fitment before purchasing. Part variants are common, and using the incorrect pump can lead to engine damage or failure.
Care: As a sealed unit, the fuel pump assembly itself requires minimal user care. Regular vehicle maintenance, including fuel filter replacement as recommended by the manufacturer, is crucial for protecting the fuel pump from contaminants and ensuring its longevity. Avoid running the fuel tank consistently below 1/4 full, as this can lead to the pump overheating.
