Vacuum line Genuine Porsche part 9A111038790

Race diverter valves (Pair).


Fits:
Porsche Cayenne Turbo MKI / MKII / MKIII
Porsche Macan 95B.1 3.0L / 3.6L
Porsche 997.2 Turbo 2010-2013 (3.8L engines)
Porsche 991 Turbo 2014-2020

Porsche 991.2 2017-2019

Replacement for original Porsche part No. 95511071000, 95511071001, 9A111033770,

Download the detailed installation instructions.

One of the most important upgrades for the Porsche Turbo engines is to replace the factory Bosch diverter valves. The factory valves are prone to leaking pressure under increased boost when the car has an upgraded ECU flash. As well, the factory Bosch valves will taper boost off with the diaphragm design even at stock boost levels. To help keep the boost pressure constant all the way to redline, upgrading the stock diverter valves to the DesignTek Racing Diverter Valve Kit will improve your cars overall performance.

These valves are CNC machined 6061 aluminum which have been precision engineered to fit with the stock or aftermarket F-Hose and intake return hoses. The internal construction of the valve uses a machined piston with proper o-rings to ensure a smooth motion that is air tight to prevent any boost leaks. The spring has been engineered to hold moderate to aggressive boost increases on the 996TT and Cayenne vehicles. The valves feature a 90 degree removable swivel connection for easy fitting with the factory vacuum hose. If needed, the top of the valve unscrews allowing you to re-greased and service the valve. As tested, these valves are a great upgrade for stock K16 or K24 cars and have even been used in our 700HP turbo kits.

Related reference numbers
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3603500003

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High pressure fuel pump.


Fits:
Porsche 997.2 Carrera 2011-12
Porsche 991.1 Carrera 2012-16
Porsche 987.2 Boxster S 2011-12
Porsche 981 Boxster / S / Spyder 2012-16
Porsche 987C.2 Cayman S MKII 2011-12
Porsche 981C Cayman / S / GT4 2014-16

Reconditioned High pressure fuel pumps are sold on a exchange basis, A surcharge will be held and then refunded when the old one is returned.

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Diagram ref no 2

PLEASE NOTE:

• The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
• Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
• Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
• All surcharges and exchanges are subject to our terms and conditions.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A1110315FX

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High pressure fuel pump.



Fits:
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2013-16
Porsche 987C.2 Cayman 2009-12
Porsche 981 Cayman 2014-16
Porsche 997.2 Carrera 2009-12
Porsche 991.1 Carrera 2012-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 22

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A111031507

The product you are viewing cross references to these numbers

High pressure fuel pump.



Fits:
Porsche 997.2 Turbo / S 3.8L 2010-13
Porsche 991.1 Turbo 3.8L 2014-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 22

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9A111031574

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Throttle housing seal.



Fits:
Porsche 981 Boxster 2012-16
Porsche 981C Cayman 2014-16
Porsche 981SP Boxster Spyder 2016
Porsche Cayman GT4 2016

Click 'Zoom in' for large parts diagram.
Diagram ref no 18

Related reference numbers
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9A111031900

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High pressure fuel pump. Porsche Boxster / Cayman / 997 / 991 - 9A111031506 , 9A111031507



Fits:
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2013-16
Porsche 987C.2 Cayman 2009-12
Porsche 981 Cayman 2014-16
Porsche 997.2 Carrera 2009-12
Porsche 991.1 Carrera 2012-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 22

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A111031507

The product you are viewing cross references to these numbers

High pressure fuel pump. 

Fits:
Porsche 991 GT3 - 2014 to 2021
Porsche 991 GT3 RS - 2014 to 2021
Porsche 991 R - 2014 to 2021

Diagram ref no 2

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9A111031598

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9m Boost recirculation valve billet aluminium. 

Fits:
Porsche 718 Boxster 2.0ltr- 2017 Onwards
Porsche 718 Boxster T 2.0ltr- 2017 Onwards
Porsche 718 Boxster S 2.5ltr - 2017 Onwards
Porsche 718 Boxster GTS 2.5ltr - 2017 Onwards
Porsche 718 Cayman 2.0ltr - 2017 Onwards
Porsche 718 Cayman T 2.0ltr - 2017 Onwards
Porsche 718 Cayman S 2.5ltr - 2017 Onwards
Porsche 718 Cayman GTS 2.5ltr - 2017 Onwards

9m uprated billet aluminium 718 boost recirculation valve

Direct replacement for the  factory plastic replacement recirculation valve which are prone to leaking boost pressure and can cause boost back feeding through the inlet plenum which can cause failures.

Unlike a Blow-off Valve (BOV) which vents back-flowing charged air to the atmosphere, a recirculation Valve protects the turbo compressor from being stalled by redirecting the back-flowing charged air to the turbo inlet pipe.

Plug and play fitment 

Available in anodized black and red.

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9MA111033770

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High pressure fuel pump
An OE Match high-pressure fuel pump designed for direct injection Porsche engines, responsible for delivering fuel at precise high pressure to the engine’s combustion system.

Fits:
Porsche 991 GT3  2014 - 2021
Porsche 991 GT3 RS 2014 - 2021
Porsche 991 R 2014 - 2021

Diagram ref no 2

Cross references: 9A111031590, 9A111031592, 9A111031594, 9A111031595

This high-pressure fuel pump delivers fuel from the low-pressure system to the injectors at the required pressure for direct injection, ensuring efficient combustion and engine performance.

Function
• Generates high fuel pressure for direct injection systems
•  Ensures precise fuel delivery to injectors
•  Supports optimal combustion and engine efficiency
•  Maintains consistent performance under high load
•  Designed to operate in high-temperature, high-pressure environments

A failing high-pressure fuel pump can lead to poor fuel delivery, reduced engine performance, and starting issues. In high-performance engines like the GT3 and GT3 RS, precise fuel pressure is critical - any inconsistency can significantly impact power output and drivability.

Replacing the pump ensures proper fuel system operation, restores engine efficiency, and protects against potential engine damage caused by incorrect fuel pressure.

When to replace
•   Engine cranks but fails to start
•   Noticeable loss of power or performance
•   Engine misfires or irregular fuel delivery
•   Fault codes related to fuel pressure
•   During fuel system or engine rebuild

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9A111031598

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