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Inlet Manifold

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DISPLAYING 1 to 13 (of 13 products)
94811014601KIT
Product Information
Product Information

Inlet Manifold Gasket and Manifold Bolt Kit - Complete Intake Sealing and Securing Solution

This inlet manifold gasket and manifold bolt kit provides everything required to correctly reseal and refit your intake manifold. The set includes:
8 x Inlet manifold gaskets
10 x Manifold bolts (securing elements)

Fits:

  • Porsche 957 Cayenne S / GTS 4.8L 2007-10
  • Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
  • Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
  • Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
  • Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 Executive 2014-16
  • Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16

Diagram ref no 5 and 6

Designed to restore proper intake sealing and ensure secure installation, this kit helps maintain optimal engine efficiency and performance.

What Inlet Manifold Gaskets and Bolts Do

The inlet manifold distributes air evenly to each cylinder of your engine. The manifold gaskets create an air-tight seal between the intake manifold and the cylinder head, preventing vacuum leaks and ensuring the correct air-fuel mixture reaches the combustion chambers.

The manifold bolts, also known as securing elements, clamp the intake manifold securely in place. Correct clamping force is essential to:

  • Maintain consistent air pressure
  • Prevent vacuum leaks
  • Support stable idle and acceleration
  • Protect engine performance
  • Avoid unmetered air entering the system

Without properly functioning gaskets and correctly torqued bolts, the intake system cannot operate efficiently.

Why Inlet Manifold Gaskets and Bolts Fail

Over time, inlet manifold gaskets are exposed to:

  • High engine temperatures
  • Continuous thermal expansion and contraction
  • Oil vapour and carbon exposure
  • Long-term compression fatigue

This can cause gaskets to harden, crack or shrink, resulting in air leaks.

Manifold bolts can also stretch, corrode or lose clamping force, especially if reused after removal. Modern engines often use torque-to-yield securing elements, which are designed for single use. Reinstalling old bolts can compromise sealing integrity.

Common symptoms of failing intake manifold gaskets include:

  • Rough idle Hesitation during acceleration
  • Lean mixture fault codes
  • Whistling or hissing noises
  • Reduced fuel efficiency
  • Check engine light illumination

Why You May Need This Kit

If you are removing or replacing your intake manifold, it is essential to install new gaskets and securing bolts to ensure proper resealing. Reusing old gaskets or bolts increases the risk of air leaks and repeat labour.

This inlet manifold gasket and bolt kit is ideal for:

  • Intake manifold removal during engine repair
  • Resolving vacuum leak issues
  • Addressing lean mixture fault codes
  • Preventative maintenance
  • Engine rebuilds or carbon cleaning work

Replacing both the sealing gaskets and the securing bolts at the same time ensures correct clamping force and long-term reliability.



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94811014601KIT
94811014202
94811014601

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Special Order item
97011014023
Product Information
Product Information
Air intake distributor tube. 

porsche

Fits:
Porsche 970.1 Panamera  / 4 V6 3.6ltr - 2009 to 2013
Porsche 970.2 Panamera / 4 V6 3.6ltr - 2014 to 2016

Click 'Zoom in' for large parts diagram.
Diagram ref no 8




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97011014023
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97011014023/1
Product Information
Product Information
Air intake distributor tube. 

oematch

Fits:
Porsche 970.1 Panamera  / 4 V6 3.6ltr - 2009 to 2013
Porsche 970.2 Panamera / 4 V6 3.6ltr - 2014 to 2016

Click 'Zoom in' for large parts diagram.
Diagram ref no 8




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97011014023
97011014023

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Special Order item
97011014003
Product Information
Product Information
Air intake distributor tube. 

porsche

Fits:
Porsche 970.1 Panamera S / 4S / GTS V8 - 2009 to 2013
Porsche 970.2 Panamera GTS V8 - 2014 to 2016

Click 'Zoom in' for large parts diagram.
Diagram ref no 8




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97011014003
97011014003
97011014002

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97011014003/1
Product Information
Product Information
Air intake distributor tube. 

Fits:
Porsche 970.1 Panamera S / 4S / GTS V8 - 2009 to 2013
Porsche 970.2 Panamera GTS V8 - 2014 to 2016

Diagram ref no 8



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97011014003
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94860513900
Product Information
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Heater element for air intake manifold.

porsche

Fits:
Porsche 957 Cayenne 3.6L / 4.8L 2007-10
Porsche 958 Cayenne 3.6L / 4.8L 2011-18
Porsche 970 Panamera 3.6L / 4.8L 2010-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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94860513900
94860513900

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Special Order item
94811001642
Product Information
Product Information
Intake Air Distributor.
Throttle Control Element And x5 Bolts Included.

Fits:
Porsche 92A Cayenne (958) S / GTS 4.8L V8 2012>>2014
Cars With Engine Codes:
4802

Porsche 970 Panamera S / GTS 4.8L V8 MKI 2010>>2013
Cars With Engine Codes:
4820 / 4840

Porsche 970 Panamera GTS 4.8L V8 MKII 2014>>2016
Cars With Engine Codes:
CXPA / CXRA / CXR

Diagram Ref No 1 (Diagram Ref No 2 And 3 Included)

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94611014602
Product Information
Product Information
Intake manifold gasket. Sold each.

porsche

Fits:
Porsche 970 Panamera 3.6L 2011-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 3

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509.740

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Intake manifold with vacuum timing unit and fuel collection pipe.
porsche

Fits:
Porsche 958 Cayenne 3.0L HYBRID 2011-18
Porsche 971 Panamera 3.0L HYBRID 2010-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 15

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9581101
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The product you are viewing cross references to these numbers
Special Order item
94611001603
Product Information
Product Information
Intake Manifold. 
Maintain correct air distribution, dependable engine performance and proper engine-management operation with this Porsche Intake Manifold, part number 94611001603. Designed for compatible Porsche applications, the intake manifold forms a critical part of the engine's air induction system, distributing incoming air to the individual cylinders.  

Fits:
  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16 
 
Diagram Ref No 1

The intake manifold receives air from the upstream intake and throttle system and directs it through specifically designed runners towards the engine's intake ports. Its internal volume and runner design are engineered to support the required airflow characteristics across different engine speeds and loads.

A properly sealed intake manifold is essential because unwanted air entering through cracks, damaged seals or mounting surfaces can disrupt the air-fuel calculations made by the engine control unit (ECU). Depending on the engine-management system, an intake leak can cause lean running, rough idle, hesitation and diagnostic fault codes.

The manifold itself may also suffer physical damage, cracking, warping or deterioration around mounting points and connections. Replacing a defective component with the correct Porsche Intake Manifold 94611001603 helps restore proper intake sealing, balanced airflow and reliable engine operation.

What This Product Does:

  • Distributes incoming air to the engine cylinders.
  • Connects the upstream intake system to the cylinder head intake ports.
  • Provides individual airflow paths through its intake runners.
  • Helps ensure consistent air distribution between cylinders.
  • Supports correct air-fuel mixture management.
  • Works with the throttle and engine-management systems.
  • Helps maintain smooth idle and responsive acceleration.
  • Supports efficient cylinder filling.
  • Contributes to consistent engine performance across the operating range.
  • Provides mounting or connection points for associated intake components where applicable.
  • Maintains a sealed intake path to prevent unwanted air entering the engine.
  • Replaces a cracked, warped or otherwise damaged intake manifold.  

Symptoms Of Wear Or Failure:
  • Rough or unstable idle.
  • Engine-management or check engine warning light.
  • Lean mixture diagnostic fault codes.
  • Misfire-related fault codes.
  • Engine hesitation.
  • Poor throttle response.
  • Reduced engine performance.
  • Uneven engine operation.
  • Increased fuel consumption.
  • Whistling, hissing or sucking noises from the intake area.
  • Vacuum or intake air leaks.
  • Engine speed changing unexpectedly at idle.
  • Difficulty starting in some circumstances.
  • Visible cracks in the intake manifold.
  • Broken or damaged mounting points.
  • Warping or damage around sealing surfaces.
  • Deteriorated manifold seals or gaskets.
  • Airflow-related diagnostic readings outside the expected range.  

Why Replacement Matters:
  • The intake manifold must provide both accurate air distribution and an airtight connection between the intake system and the engine.
  • If the manifold develops a crack or sealing problem, unmetered air may enter the engine. Because this additional air may not be correctly accounted for by the engine-management system, the resulting air-fuel mixture can become lean.
  • Lean or inconsistent mixture conditions can cause rough idle, hesitation, misfires and reduced performance. Persistent intake leaks can also cause the ECU to make increasingly large fuel-trim corrections in an attempt to compensate.
  • A damaged manifold may also affect airflow distribution between cylinders. If some cylinders receive different airflow from others, engine smoothness and combustion consistency can be affected.
  • Physical damage around mounting points or sealing surfaces can make it difficult to achieve a reliable seal even with new gaskets. In these circumstances, replacing the damaged manifold rather than repeatedly replacing seals is important.
  • Ignoring intake manifold problems can also make diagnosis of other engine faults more difficult, as intake leaks can produce symptoms and fault codes similar to sensor, ignition and fuelling problems.
  • Replacing a damaged component with the correct Porsche Intake Manifold 94611001603 helps restore a sealed intake system, consistent cylinder airflow and dependable engine-management performance.



Related reference numbers
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94611001603
94611001603
94611001602

The product you are viewing cross references to these numbers
94611001603/1
Product Information
Product Information
Intake Manifold. 

Restore correct intake airflow, reliable sealing and consistent engine performance with this OE Match Intake Manifold. Designed for compatible Porsche applications, the intake manifold is a critical part of the engine's induction system, distributing incoming air to the individual cylinders.

Fits:
  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16 
 
Diagram Ref No 1

Air entering through the intake and throttle system passes into the manifold before being directed through individual runners towards the cylinder head intake ports. The manifold's internal design helps provide consistent airflow to the cylinders across different engine speeds and operating conditions.

A correctly sealed intake manifold is particularly important for modern engine-management systems. Cracks, damaged sealing surfaces or deteriorated gaskets can allow unwanted or unmetered air into the engine. This can interfere with air-fuel mixture calculations and potentially result in rough running, hesitation, lean mixture faults or reduced performance.

This OE Match Intake Manifold provides a high-quality replacement for a cracked, warped or otherwise damaged original manifold, helping restore proper airflow distribution and dependable engine operation.


What This Product Does:

  • Distributes incoming air between the engine cylinders.
  • Connects the upstream intake system to the cylinder head intake ports.
  • Directs airflow through individual intake runners.
  • Helps provide consistent air distribution between cylinders.
  • Supports accurate air-fuel mixture management.
  • Works in conjunction with the throttle and engine-management systems.
  • Helps maintain smooth idle quality.
  • Supports responsive acceleration and engine performance.
  • Contributes to efficient cylinder filling.
  • Maintains a sealed path for intake airflow.
  • Helps prevent unwanted air entering the engine.
  • Provides mounting or connection points for associated components where applicable.
  • Replaces a cracked, warped or damaged intake manifold.
  • Provides an OE Match alternative for compatible Porsche applications.  


Symptoms Of Wear Or Failure:
  • Rough or unstable idle.
  • Check engine or engine-management warning light.
  • Lean mixture diagnostic fault codes.
  • Misfire-related fault codes.
  • Engine hesitation.
  • Poor throttle response.
  • Reduced engine performance.
  • Uneven engine operation.
  • Increased fuel consumption.
  • Whistling or hissing from the intake area.
  • Evidence of an intake or vacuum leak.
  • Abnormal engine speed at idle.
  • Visible cracks in the manifold.
  • Broken or damaged mounting points.
  • Warped or damaged sealing surfaces.
  • Persistent intake leaks despite replacing seals.
  • Deteriorated manifold gaskets.
  • Abnormal fuel-trim readings during diagnostic testing.
  
Why Replacement Matters:

  • The intake manifold must distribute air effectively while maintaining an airtight connection between the induction system and the engine.
  • If the manifold develops a crack, damaged mounting point or distorted sealing surface, unwanted air can enter the engine. Depending on where the leak occurs and how the engine-management system measures airflow, this may result in air entering that has not been correctly accounted for by the ECU.
  • The resulting mixture can become too lean, particularly at idle when even a relatively small air leak can represent a significant proportion of total airflow. Symptoms may include rough idle, hesitation, misfires and engine-management warning lights.
  • The ECU may attempt to compensate by increasing fuel delivery, producing unusually high fuel-trim values. If the leak becomes too significant for the ECU to compensate, drivability and emissions can deteriorate further.
  • A damaged manifold can also affect airflow distribution between cylinders, potentially contributing to inconsistent combustion and uneven engine operation.
  • Replacing a defective component with this OE Match Intake Manifold helps restore a sealed induction system, consistent cylinder airflow and dependable engine-management performance.



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

94611001603
94611001603
94611001602

The product you are viewing cross references to these numbers
Special Order item
94811014202
Product Information
Product Information
Securing Element For Air Intake Distributor.
Sold Each.
x10 Required Per Car.

Fits:
Porsche 92A Cayenne (958) 4.8L 2011>>2018
Cars With Engine Codes:
4802 / 4852 / CFTB / CFT / CYXA/ CYX

Porsche 9PA1 Cayenne (957) 4.8L 2007>>201
Cars With Engine Codes:
4801 / 4851

Porsche 970 Panamera 4.8L MKI / MKII 2010>>2016
Cars With Engine Codes:
4820 / 4840 / 4870 / CXPA / CXRA / CXR / CWBA / CWB / CWCA / CWC

Diagram Ref No 6

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94811014202
94811014202
94811014201

The product you are viewing cross references to these numbers
Special Order item
94611014201
Product Information
Product Information
Securing screw element inlet manifold. 
Sold each - 8 required per car

porsche

Fits:
Porsche 970.1 Panamera 3.6ltr V6 - 2009 to 2013
Porsche 970.2 Panamera 3.6ltr V6 - 2014 to 2016

Click 'Zoom in' for large parts diagram.
Diagram ref no 4


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94611014201
94611014201

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DISPLAYING 1 to 13 (of 13 products)
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About Inlet Manifold

Air Inlet Manifolds – Precision Airflow Distribution for Porsche Engines

Air inlet manifolds, often referred to as intake manifolds, are vital components in Porsche engines that ensure even air distribution to each cylinder. By controlling the air supply entering the combustion chambers, these manifolds optimise engine breathing, improving fuel efficiency, throttle response, and overall performance.

At Design911, we supply a wide range of genuine and high-quality air inlet manifolds for numerous Porsche models, including  911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each unit is crafted from high-strength materials to deliver consistent airflow, exceptional durability, and precise fitment — maintaining your Porsche’s power and refinement.

What Do Air Inlet Manifolds Do?

The air inlet manifold is a critical part of the intake system that manages and distributes air from the throttle body into the engine’s cylinders. Its functions include:

  • Delivering uniform airflow to each cylinder for efficient combustion.
  • Optimising torque and power output across all engine speeds.
  • Balancing air pressure for smoother idling and acceleration.
  • Enhancing engine cooling and fuel economy through consistent airflow management.

In performance-oriented Porsche engines, the air inlet manifold is carefully tuned to maximise airflow dynamics — contributing directly to the car’s responsiveness and driving feel.

Why Do Air Inlet Manifolds Fail?

Air inlet manifolds operate under constant pressure, heat, and vibration, which can lead to deterioration over time. Common causes of failure include:

  • Cracks or leaks in plastic or aluminium housings due to heat cycling.
  • Carbon buildup restricting airflow through the manifold runners.
  • Faulty gaskets or seals allowing unmetered air to enter the system.
  • Vacuum leaks affecting idle stability and performance.
  • Mechanical damage caused by backfires or overpressure.

Symptoms of a failing air inlet manifold may include rough idling, loss of power, engine misfires, increased fuel consumption, or a check engine light related to air intake irregularities.

Why Replace a Damaged Air Inlet Manifold?

A cracked or leaking air manifold can cause air imbalance, poor combustion, and reduced engine efficiency. Replacing the component restores smooth airflow, optimises fuel economy, and protects engine health.

Benefits of replacement include:

  • Restored airflow and balanced combustion.
  • Improved throttle response and power delivery.
  • Reduced emissions and improved fuel efficiency.
  • Long-term reliability with manufacturer-quality precision.

All air inlet manifolds available at Design911 are made with high-quality materials, precision-engineered sealing surfaces, and optimised airflow geometry — ensuring lasting durability and peak performance in both standard and high-performance Porsche engines.

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