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Porsche > Cayenne 92A (958) 2010-2017 > 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17 > Engine Rebuild Parts > Air Intake & Injection >

Inlet Manifold

Inlet Manifold

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Inlet Manifold Gasket and Bolt Kit - 94811014202, 94811014601
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Inlet Manifold Gasket and Bolt Kit
94811014601KIT
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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.



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Related, superseded, cross reference or alternative numbers for comparison.

94811014601KIT
94811014202
94811014601

The product you are viewing cross references to these numbers
Heater element for air intake manifold. Porsche 957 Cayenne / 958 Cayenne / 970 Panamera - 94860513900
5
Heater element for air intake manifold. Porsche 957 Cayenne / 958 Cayenne / 970 Panamera
Special Order item
94860513900
Product Information
Product Information
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

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Related, superseded, cross reference or alternative numbers for comparison.

94860513900
94860513900

The product you are viewing cross references to these numbers
Securing Element For Air Intake Distributor. Porsche 92A / 9PA1 Cayenne / 970 Panamera 4.8L 2007-18 - 94811014202, 94811014201
4
Securing Element For Air Intake Distributor. Porsche 92A / 9PA1 Cayenne / 970 Panamera 4.8L 2007-18
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

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Related, superseded, cross reference or alternative numbers for comparison.

94811014202
94811014202
94811014201

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 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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