APR 09-15 Audi TTS Quattro High Pressure Fuel Pump - No Rebuild

The APR High Pressure Fuel Pump (HPFP) increases maximum volume of fuel the HPFP can deliver by 41% over stock! In doing so, the direct injection fueling system is capable of satisfying fueling requirements set forth by high horsepower setups. This is accomplished by increasing the displacement of the pump using high quality components to exacting tolerances.How the direct injection system works:A low pressure fuel pump (LPFP) in the fuel tank delivers fuel to the high pressure fuel pump (HPFP) at roughly 4 to 6 bar. Fuel pressure is then bumped up to a maximum of 110-130 bar, depending on factory parts, with the HPFP. Finally, high pressure fuel is delivered to the injectors, which spray directly into the cylinders.The problem:The volume of fuel the HPFP pump can displace is directly tied to the displacement of the pump (Internal bore size, and cam shaft dictated stroke), and engine speed. The pump is driven off of a three lobe cam shaft, and as such, the pump cycles at 1.5 times the engine speed. Even the factory K03 and K04 turbochargers are capable of taxing this system, especially in the mid to lower RPM range where fuel volume is lower.The APR solution:We dramatically increase the volume of fuel the HPFP can displace at every RPM by increasing the displacement of the HPFP. This is accomplished by increasing the bore diameter of the pump's internal pressurizing cylinder. It's important to understand, despite the name, a HPFP upgrade is not necessary designed to increase the engine's fuel rail pressure. The primary goal is to increase the volume of fuel available, which will keep fuel pressure steady even in the most demanding of situations!High quality components and extreme tolerances:The HPFP internals must be machined to extreme tolerances and installed in a clean environment or the pump can easily fail. Dimensional tolerances on the APR HPFP are as tight as .00004" and geometric tolerances are as tight as .00005".

This Part Fits:

Year	Make	Model	Submodel
2006-2008	Audi	A3	Base
2005-2008	Audi	A4	Base
2007-2008	Audi	A4	Cabriolet
2005-2008	Audi	A4 Quattro	Avant
2005-2008	Audi	A4 Quattro	Base
2007-2008	Audi	A4 Quattro	Cabriolet
2008-2009	Audi	TT	Base
2009-2015	Audi	TTS Quattro	Base
2007	Volkswagen	Eos	2.0T
2007	Volkswagen	Eos	Base
2012-2015	Volkswagen	Eos	Executive
2015	Volkswagen	Eos	Final Edition
2008-2016	Volkswagen	Eos	Komfort
2008-2013	Volkswagen	Eos	Lux
2013-2014	Volkswagen	Eos	Sport
2008	Volkswagen	Eos	Turbo
2012-2013	Volkswagen	Golf R	Base
2006-2009	Volkswagen	GTI	Base
2007	Volkswagen	GTI	Fahrenheit
2006-2007	Volkswagen	Jetta	2.0T
2006-2009	Volkswagen	Jetta	GLI
2009	Volkswagen	Jetta	SEL
2009-2010	Volkswagen	Jetta	TDI
2010	Volkswagen	Jetta	TDI Cup Edition
2008-2010	Volkswagen	Jetta	Wolfsburg Edition
2006-2007	Volkswagen	Passat	2.0T
2008-2010	Volkswagen	Passat	Komfort
2008	Volkswagen	Passat	Lux
2008	Volkswagen	Passat	Turbo
2006-2007	Volkswagen	Passat	Value Edition
2007	Volkswagen	Passat	Wolfsburg Edition