Vaico V10-0661 Fuel Filter - In-Line

Fuel filter with regulator

VAICO V10-0661 is an in-line fuel filter assembly with a built-in pressure regulator for 4 bar fuel systems. It is built around 8 mm inlet and outlet connections and is sized for direct replacement applications in select Volkswagen and Audi models.

Key features

• Integrated pressure regulator for stable 4 bar fuel delivery
• 8 mm inlet and outlet diameters for proper line connection sizing
• Compact filter body with 165 mm height and 65 mm width
• Designed for in-line fuel filtration applications
• VAICO V10-0661 part number for catalog matching

Detailed description

This fuel filter is specified for a range of Volkswagen and Audi applications, including Fits 2005-2015 Volkswagen Jetta, N/A, Fits 2017 Volkswagen Jetta, In-Line, Fits 2013-2014 Volkswagen Beetle, N/A, and Fits 2006-2009 Audi A3 Quattro, N/A. The integrated pressure regulator and 4 bar rating make it suitable for fuel systems that require filtration and pressure control in one assembly. VAICO V10-0661 is also referenced by cross numbers such as Wix 33833 and Hengst H155WK02 for the same application.

What it is used for

• Replacing a clogged fuel filter that restricts fuel flow
• Restoring correct fuel pressure in a 4 bar system
• Addressing hard starting caused by fuel delivery issues
• Correcting lean running from inadequate filtration or pressure control
• Servicing an aging in-line filter assembly on supported vehicles

Installation notes and tips

Confirm the vehicle’s fuel system specification, line size, and mounting style before installation. Match the 4 bar rating and the integrated regulator configuration to the original part, and verify the inlet and outlet diameters against the existing fuel lines. Use the part number V10-0661 to confirm catalog fitment before ordering.

Quality assurance

VAICO V10-0661 is cataloged as an aftermarket replacement part with application-specific fitment data for Volkswagen and Audi vehicles. VAICO V10-0661 should be matched to the original fuel filter and regulator configuration for proper service replacement.