Vaico V10-2518 Fuel Injection Non-Return Valve

Fuel Injection Non-Return Valve for Audi Applications

The Vaico V10-2518 fuel injection non-return valve is an OE-quality replacement for select Audi fuel system applications. Built to the Q+ Quality Level and manufactured in Germany, it supports proper fuel flow control in systems that require the OE reference 078611933B.

Compatible With 2000-2005 Audi A6 Quattro, 2001-2005 Audi Allroad Quattro, and select 2000-2002 Audi S4 applications. The Vaico V10-2518 is a direct-fit fuel injection non-return valve for Audi fuel injection system service where OE-style dimensions and fitment matter.

Key Features

• Fuel injection non-return valve for air and fuel delivery service
• Q+ Quality Level, manufactured in Germany to OEM-quality standards
• OE reference: 078611933B
• Dimensions: 88 mm length, 40 mm width, 30 mm height
• Lightweight design at 0.008 kg for compact fuel system packaging
• Fits select Audi A6 Quattro, Allroad Quattro, and S4 models

Product Details

Vaico V10-2518 is engineered as a fuel injection non-return valve for Audi fuel system applications that call for stable one-way fuel control. The VAICO product line focuses on OE-style replacement parts built to match manufacturer certifications, and this part follows that approach with German manufacturing and Q+ quality positioning. For buyers searching for a fuel injection non-return valve for Audi A6 Quattro or Audi Allroad Quattro, this part number provides a direct OE-reference match to 078611933B.

This part cross-references 078 611 933 B and 78 611 933 B for the same application.

Common Issues This Part Addresses

• Fuel pressure loss after shutdown
• Hard starting related to fuel drain-back
• Unstable fuel delivery in the injection system
• OE reference replacement needs during fuel system repair
• Service replacement for worn or leaking non-return valve components

Installation Notes

Verify OE number 078611933B and confirm vehicle fitment before installation. Match the valve dimensions to the original component and inspect surrounding fuel system connections for wear, contamination, or leakage before reassembly. For Audi S4 applications, confirm the VIN breakpoints listed in the fitment data before ordering.

• Fits 2001-2005 Audi Allroad Quattro, N/A
• Fits 2000-2004 Audi A6 Quattro, N/A
• Fits 2002 Audi S4, N/A, 4 point; To VIN # 8D-2-010 000; With OE No. 078611933B; VAICO
• Fits 2000-2001 Audi S4, N/A, 4 point; With OE No. 078611933B; VAICO
• Fits 2000-2001 Audi S4, N/A, To VIN # 8D-1-053 000; With OE No. 078611933B; VAICO

Quality Assurance

Vaico’s Q+ Quality Level identifies parts manufactured in Germany to OEM-quality standards in accordance with vehicle manufacturer certifications. That makes the V10-2518 a strong choice for Audi fuel injection service where OE-style fit and documented reference matching are important.