Exhaust Fitting Kits

Exhaust adaptor. To be used when installing 3.6L 964/993 engine into G-model cars and still using "banana" style exhaust boxes.



Fits:
Porsche 911 G model with 3.6 L engine 2.7-3.2L 08/1973-07/1989

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Related, superseded, cross reference or alternative numbers for comparison.

1620650200

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Heat exchanger mounting kit.



Fits:
Porsche 911 1974-84

*If using with 1985 onwards 3.2L you may need 6x 93011119112 42mm bore Manifold gaskets

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Related, superseded, cross reference or alternative numbers for comparison.

PCG91121100

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Mounting kit for exhaust.



Fits:
Porsche 911 2.7L / 3.0L / *3.2L 08/73-07/85
*If used with 1984 onwards 3.2L you may need 6x 93011119112/1 42mm bore Manifold gaskets 

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Related, superseded, cross reference or alternative numbers for comparison.

PCG91121100

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Mounting Kit.
The OE Match Mounting Kit is a high-quality installation hardware kit designed to provide the essential fasteners and fittings required for the secure installation or replacement of compatible Porsche components. Manufactured to OE specifications for fit, strength and durability, this kit contains premium-quality mounting hardware to ensure reliable assembly, correct alignment and long-lasting performance.  

Fits:
Porsche 911 SC/911 Carrera 2.7L-3.0L 08/1975-07/1983
Porsche 930 (not turbo) 2.7L-3.0L 08/1975-07/1983

Kit Includes:
3x Exhaust metal band
3x Lock nut, M8x1.25mm, cu. plated
3x Bolt, M8x12.5x40mm
1x Gasket for rear exhaust to intermediate exhaust

Produced from high-strength, corrosion-resistant materials, the components are engineered to withstand vibration, mechanical loads and harsh environmental conditions. Whether used during repairs, maintenance or restoration work, the mounting kit helps ensure professional-quality installation while replacing worn, damaged or corroded original hardware.  

What This Product Does:

• Provides the essential hardware required for component installation.
• Secures replacement parts safely and correctly.
• Maintains proper alignment of installed components.
• Replaces worn, corroded or damaged original fixings.
• Helps reduce vibration and component movement.
• Supports reliable long-term installation.
• Simplifies repair and maintenance work.
• Forms an essential part of a professional component replacement.

Symptoms Of Wear Or Failure:

• Loose or misaligned components.
• Excessive vibration or rattling.
• Corroded, seized or broken fasteners.
• Missing mounting hardware.
• Difficulty tightening or securing components.
• Damaged or stripped threads.
• Premature wear caused by component movement.
• Increased noise from loosely mounted parts.
• Visible corrosion or deterioration of fixings.
• Reduced reliability of installed components.

Why Replacement Matters:

• Mounting hardware is continually exposed to vibration, moisture, road salt, heat and mechanical stress. Over time, fasteners can corrode, stretch, seize or lose their clamping force, reducing their ability to secure components correctly.
• Reusing old or damaged hardware can lead to poor fitment, unwanted movement, increased vibration and premature wear of replacement parts. In some cases, weakened fixings may fail completely, affecting the reliability and safety of the installed component.
• Replacing the mounting hardware whenever major components are serviced or replaced helps ensure secure installation and long-term durability. The OE Match Mounting Kit provides factory-style fitment, corrosion-resistant construction and dependable performance, making it the ideal choice for high-quality Porsche repairs, restorations and preventative maintenance.

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

92201KIT

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Mounting Kit for one Heat Exchanger 
2 required per car

Restore the integrity of your Porsche Turbo exhaust system with this OE Match Heat Exchanger Mounting Kit, designed specifically for selected Porsche 911 Turbo models. Manufactured to original equipment specifications, this complete fitting kit provides the essential hardware required to securely mount the heat exchangers, ensuring correct alignment, reliable sealing and long-term durability under the extreme operating temperatures produced by the turbocharged flat-six engine.

Fits:

• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)

Kit included:
1x Large gasket for mounting heat exchanger to intermediate tube
3x Gasket for heat exchanger to cylinder head. 3 pcs. required for each heat exchanger
3x Bolt, M8x1.25x40mm
3x Nut M8x1.25, for mounting heat exchanger to cylinder head
3x Lock nut, M8x1.25
3x Nut, M8x1.25

Whether you're replacing worn heat exchangers, installing a new exhaust system or carrying out a full restoration, using new mounting hardware helps guarantee a secure installation while protecting valuable exhaust components from vibration and premature wear.

What Does the Heat Exchanger Mounting Kit Do?

The heat exchanger mounting kit secures the heat exchangers firmly to the engine and exhaust system while allowing for normal thermal expansion during operation.

Its primary functions include:

• Securing the heat exchangers to the engine.
• Maintaining correct exhaust system alignment.
• Supporting efficient cabin heating performance.
• Reducing vibration and unwanted movement.
• Helping maintain an effective exhaust gas seal.
• Preventing unnecessary stress on exhaust studs and flanges.

Correct mounting hardware is essential for the safe and reliable operation of both the exhaust and heating systems on the Porsche 911 Turbo.

Why Do Heat Exchanger Mounting Kits Fail?

Turbocharged engines generate significantly higher exhaust temperatures than naturally aspirated models, placing additional stress on mounting hardware. Common causes of failure include:

• Corrosion caused by moisture and road salt.
• Extreme heat cycles weakening fasteners.
• Seized or damaged nuts and bolts.
• Exhaust vibration causing fatigue over time.
• Damaged fixings during exhaust removal.
• Age-related deterioration after decades of service.

As the hardware deteriorates, heat exchangers can become loose, resulting in exhaust leaks, rattles, vibration and increased stress on surrounding exhaust components.

When Should the Heat Exchanger Mounting Kit Be Replaced?

The mounting kit should always be inspected whenever the heat exchangers or exhaust system are removed. Replacement is recommended if you notice:

• Rusted or seized fasteners.
• Broken or stretched hardware.
• Loose heat exchangers.
• Exhaust leaks around the mounting flanges.
• Excessive vibration or rattling.
• Damaged washers, locking plates or mounting hardware.

Many Porsche specialists recommend fitting a new mounting kit whenever replacing heat exchangers or carrying out major exhaust work to ensure reliable installation and avoid reusing weakened or corroded hardware.

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

91103KIT

The product you are viewing cross references to these numbers

OE Match Mounting Kit for One Heat Exchanger
2 required per car

Ensure your Porsche's heat exchangers are securely mounted with this OE Match Heat Exchanger Mounting Kit, designed for selected Porsche 911 models. Manufactured to original equipment specifications, this comprehensive fitting kit contains the essential hardware required to correctly install and support the heat exchangers, restoring factory fitment, reducing vibration and ensuring long-term reliability.

Fits:

• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC

Kit included:
1x Large gasket for mounting heat exchanger to intermediate tube
3x Gasket for heat exchanger to cylinder head. 3 pcs. required for each heat exchanger
3x Bolt, M8x1.25x40mm
3x Nut M8x1.25, for mounting heat exchanger to cylinder head
3x Lock nut, M8x1.25
3x Nut, M8x1.25

Whether you're replacing worn heat exchangers, installing a new exhaust system or restoring a classic Porsche 911, fitting new mounting hardware helps ensure every component is securely fastened and correctly aligned.

What Does the Heat Exchanger Mounting Kit Do?

The mounting kit secures the heat exchangers to the engine and exhaust system, ensuring they remain correctly positioned while allowing for normal expansion and contraction caused by exhaust heat.

Its primary functions include:

• Securing the heat exchangers safely to the engine.
• Maintaining correct exhaust alignment.
• Supporting the vehicle's cabin heating system.
• Reducing vibration and unwanted movement.
• Helping prevent exhaust leaks caused by loose fixings.
• Ensuring safe, reliable operation of the exhaust and heating systems.

Using the correct mounting hardware is essential for both exhaust performance and efficient cabin heating.

Why Do Heat Exchanger Mounting Kits Fail?

Heat exchanger fixings operate in one of the harshest environments on the vehicle, where they are exposed to continual heat, moisture, corrosion and vibration. Common causes of failure include:

• Rust and corrosion of nuts, bolts and washers.
• Seized or damaged exhaust studs
• Heat cycling weakening fasteners over time.
• Road salt accelerating corrosion.
• Damage during exhaust removal.
• Fatigue caused by years of engine vibration and thermal expansion.

As the hardware deteriorates, heat exchangers can become loose, leading to exhaust leaks, vibration and poor alignment.

When Should the Heat Exchanger Mounting Kit Be Replaced?

The mounting hardware should always be inspected whenever the heat exchangers or exhaust system are removed. Replacement is recommended if you notice:

• Corroded or seized fixings.
• Broken or stretched fasteners.
• Loose heat exchangers.
• Exhaust leaks around mounting points.
• Excessive vibration or rattling.
• Damaged washers or mounting plates.

Many Porsche specialists recommend replacing the complete mounting kit whenever new heat exchangers are fitted to ensure reliable installation and avoid reusing weakened hardware.

Mounting Kit for one Heat Exchanger 
2 required per car

Restore the security and reliability of your Porsche exhaust system with this OE Match Heat Exchanger Mounting Kit, designed specifically for the Porsche 911 3.2 Carrera (1984–1989) and the 930 turbo (1984-1989). Manufactured to original equipment specifications, this comprehensive fitting kit contains the essential hardware required to securely install the heat exchangers, ensuring correct alignment, reliable sealing and long-lasting durability.

Fits:

• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1989 3.2L G50
• Porsche 911 1978-1989 3.3L Turbo (930)

Kit included:
1x Large gasket for mounting heat exchanger to intermediate tube
3x Gasket for heat exchanger to cylinder head. 3 pcs. required for each heat exchanger
3x Bolt, M8x1.25x40mm
3x Nut M8x1.25, for mounting heat exchanger to cylinder head
3x Lock nut, M8x1.25, cu. Plated
3x Nut, M8x1.25

 Whether you're replacing tired heat exchangers, installing a new exhaust system or carrying out a concours-quality restoration, fitting new mounting hardware ensures every component is correctly secured while reducing the risk of vibration, exhaust leaks and premature hardware failure.

What Does the Heat Exchanger Mounting Kit Do?

The heat exchanger mounting kit provides the fixings needed to attach the heat exchangers securely to the engine and exhaust system. It plays an important role by:

• Securing the heat exchangers to the engine.
• Maintaining correct exhaust alignment.
• Supporting efficient cabin heating performance.
• Reducing vibration and unwanted movement.
• Helping maintain leak-free exhaust joints.
• Allowing for normal expansion and contraction as exhaust temperatures change.

Correct mounting hardware is essential for maintaining both exhaust efficiency and the performance of the Porsche heating system.

Why Do Heat Exchanger Mounting Kits Fail?

The mounting hardware operates in an extremely demanding environment, exposed to continuous heat, moisture and vibration. Over time, components can fail due to:

• Corrosion caused by road salt and moisture.
• Heat cycles weakening fasteners.
• Rusted or seized nuts and bolts.
• Fatigue caused by engine vibration.
• Damage during previous exhaust repairs.
• Age-related deterioration after decades of service.

As the hardware deteriorates, the heat exchangers can loosen, resulting in exhaust leaks, rattles, poor alignment and additional stress on surrounding components.

When Should the Heat Exchanger Mounting Kit Be Replaced?

The mounting hardware should be inspected whenever the exhaust or heat exchangers are removed. Replacement is recommended if you notice:
Rusted or seized fasteners.

• Broken or stretched hardware.
• Loose heat exchangers.
• Exhaust leaks around mounting flanges.
• Excessive vibration or rattling.
• Damaged washers, locking plates or mounting brackets.

Most Porsche specialists recommend fitting a new mounting kit whenever new heat exchangers are installed, ensuring reliable installation and avoiding the reuse of weakened or corroded fixings.

Mounting kit for heat exchanger.



Fits:
Porsche 911 E/S (mech. injection) 2.3L-2.7L 08/1971-07/1976
Porsche 911 T (not mech.injection) 2.0L-2.4L 01/1963-07/1973
Porsche 911/911S/911 Carrera 2.7L 08/1973-07/1975

Kit included:
4 gaskets, nuts & bolts

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

91011KIT

The product you are viewing cross references to these numbers

Mounting Kit For Pre-Silencer / Intermediate Exhaust.
The OE Match Mounting Kit for Pre-Silencer / Intermediate Exhaust is a comprehensive installation kit designed to provide all the essential hardware required when fitting or replacing the pre-silencer or intermediate exhaust section on compatible Porsche models. Manufactured to OE specifications for fit, strength and durability, this kit ensures secure installation, correct alignment and reliable sealing of exhaust components.  

Kit Includes:
1x Large gasket for mounting heat exchanger to intermediate tube
1x Gasket for rear exhaust to intermediate, exhaust
1x Gasket
9x Bolt, M8x1.25x40mm
9x Lock nut, M8x1.25, cu. plated

Fits:

• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1989 3.2L G50  

The kit typically includes high-quality fasteners, clamps, nuts, bolts, washers and sealing hardware where applicable, all manufactured from corrosion-resistant materials capable of withstanding the extreme temperatures and harsh operating conditions of the exhaust system. It is the ideal solution when replacing worn or corroded original fittings during exhaust repairs or upgrades.  

What This Product Does:

• Provides the essential hardware required for pre-silencer or intermediate exhaust installation.
• Secures exhaust components safely and correctly.
• Maintains proper exhaust alignment.
• Helps create leak-free exhaust connections.
• Replaces worn, seized or corroded original mounting hardware.
• Reduces vibration and movement within the exhaust system.
• Simplifies exhaust servicing and installation.
• Forms an essential part of a professional exhaust repair or replacement.

Symptoms Of Wear Or Failure:

• Exhaust blowing or gas leaks.
• Loose or misaligned exhaust components.
• Rattling or knocking noises from the exhaust system.
• Corroded or seized nuts, bolts or clamps.
• Broken or missing fixing hardware.
• Increased exhaust vibration.
• Difficulty securing replacement exhaust components.
• Premature gasket wear caused by loose joints.
• Excessive exhaust movement during driving.
• Visible rust or deterioration of mounting components.

Why Replacement Matters:

• Exhaust mounting hardware is continuously exposed to extreme temperatures, moisture, road salt and vibration. Over time, these conditions can cause fasteners to corrode, seize or lose their clamping force, making it difficult to achieve a secure and leak-free installation when replacing exhaust components.
• Reusing old hardware may result in poor alignment, exhaust leaks, unwanted vibration and premature failure of newly installed exhaust parts. Damaged or weakened fixings can also make future servicing more difficult and increase the likelihood of broken studs or seized fasteners.
• Replacing all associated mounting hardware during exhaust repairs ensures a secure installation and helps maximise the lifespan of the exhaust system. The OE Match Mounting Kit provides factory-style fitment, durable corrosion-resistant components and dependable long-term performance, helping maintain the reliability, refinement and performance expected from your Porsche.