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Exhaust Gaskets

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DISPLAYING 1 to 14 (of 14 products)
MANIFOLDKIT911E
Product Information
Product Information

Exhaust heat exchanger fitting kit. Includes studs and nuts made out of titanium.

These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system.

rohler

Fits:
Porsche 911 1965-83


Special Order item
93011119308
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Exhaust Gasket
Cross over pipe to pre-silencer

porsche

Fits:
Porsche 911 - 1974 to 1989
Porsche 964 turbo - 1991 to 1994

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



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Related, superseded, cross reference or alternative numbers for comparison.

93011119308
93011119301
93011119304
93011119305
93011119307
93011119308
91111116202

The product you are viewing cross references to these numbers
93011119308/1
Product Information
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Exhaust Gasket, Cross Over Pipe To Pre-Silencer.

The OE MATCH Exhaust Gasket, Cross Over Pipe to Pre-Silencer is a high-quality replacement sealing gasket designed to provide a secure, gas-tight connection between the exhaust crossover pipe and pre-silencer assembly. Engineered to OE specifications, this gasket prevents exhaust gas leaks while maintaining correct exhaust flow, backpressure characteristics, and overall exhaust system efficiency.

Fits:

  • Porsche 911 1965-1968 2.0L / 912 SWB (F)
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  • 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
  • Porsche 911 1975-1977 3.0L Turbo (930)
  • Porsche 911 1978-1989 3.3L Turbo (930)
  • Porsche 964 (911) TURBO 3.3L 1991-93
  • Porsche 964 (911) TURBO 3.6L 1991-93

Manufactured from durable, heat-resistant materials, the gasket is designed to withstand the extreme temperatures, pressure fluctuations, and vibration present within the exhaust system. It is an essential replacement component whenever the crossover pipe or pre-silencer is removed, serviced, or replaced.

What This Product Does:
  • Creates a gas-tight seal between the crossover pipe and pre-silencer
  • Prevents exhaust gas leaks at exhaust system joints
  • Maintains correct exhaust flow and backpressure
  • Supports engine performance and exhaust efficiency
  • Reduces exhaust noise caused by leaking connections
  • Withstands high exhaust temperatures and thermal cycling

Symptoms Of Wear Or Failure:
  • Exhaust blowing, hissing, or ticking noises
  • Visible exhaust gas leaks around flange connections
  • Soot or carbon deposits near the gasket area
  • Exhaust fumes or odours around the vehicle
  • Increased exhaust noise levels
  • Reduced exhaust system efficiency
  • Difficulty maintaining a proper seal after exhaust repairs
  • Potential emissions compliance issues caused by exhaust leaks

Why Replacement Matters:
  • Restores a reliable gas-tight exhaust seal
  • Prevents exhaust leaks and excessive noise
  • Maintains proper exhaust flow characteristics
  • Supports engine efficiency and performance
  • Reduces the risk of exhaust fumes escaping from the system
  • Protects surrounding components from hot exhaust gases
  • Helps maintain emissions system effectiveness 
  • Ensures long-term durability and reliability of the exhaust system



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

93011119308
93011119301
93011119304
93011119305
93011119307
93011119308
91111116202

The product you are viewing cross references to these numbers
Special Order item
93011119113
Product Information
Product Information
Exhaust gasket heat exchanger to cylinder head.
3 gaskets per heat exchanger. Price shown is for each.

Fits:
Porsche 911 S (mech. injection) 2.4 08/71-07/73
Porsche 911 SC/911 Carrera 2.7-3.0 08/75-07/83
Porsche 911 T/E/S (not mech.injection) 2.0-2.4 01/63-07/73
Porsche 911 Turbo 3.0-3.3 01/75-07/83
Porsche 911/911 S/911 Carrera 2.7 08/73-07/75

Diagram ref no 14

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

93011119113
93011119113
1621100800
914.186

The product you are viewing cross references to these numbers
93011119113/1
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Product Information
Exhaust Gasket Heat Exchanger To Cylinder Head.

The OE MATCH Exhaust Gasket – Heat Exchanger to Cylinder Head is a high-quality replacement sealing gasket designed to create a secure, gas-tight connection between the exhaust heat exchanger and the cylinder head. This critical gasket prevents exhaust gases from escaping at the exhaust port while maintaining proper exhaust flow, engine efficiency, and emissions performance.
Sold Each.

Fits:

  • Porsche 911 1965-1968 2.0L / 912 SWB (F)
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  • Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
  • Porsche 911 1978-1983 3.0L / SC

Diagram Ref No 14

Manufactured to OE specifications from heat-resistant materials, the gasket is engineered to withstand the extreme temperatures, pressure fluctuations, and thermal cycling found within the exhaust system. It is an essential component whenever exhaust heat exchangers, manifolds, or cylinder head exhaust connections are serviced or rebuilt.

What This Product Does:

  • Creates a gas-tight seal between the heat exchanger and cylinder head
  • Prevents exhaust gas leaks at the exhaust port
  • Maintains proper exhaust flow and system efficiency
  • Supports engine performance and combustion efficiency
  • Reduces exhaust noise caused by leaking exhaust joints
  • Withstands high temperatures and exhaust system pressures

Symptoms Of Wear Or Failure:
  • Creates a gas-tight seal between the heat exchanger and cylinder head
  • Prevents exhaust gas leaks at the exhaust port
  • Maintains proper exhaust flow and system efficiency
  • Supports engine performance and combustion efficiency
  • Reduces exhaust noise caused by leaking exhaust joints
  • Withstands high temperatures and exhaust system pressures

Why Replacement Matters:
  • Restores a reliable gas-tight seal at the cylinder head
  • Prevents exhaust leaks and associated noise
  • Maintains proper exhaust flow characteristics
  • Supports engine efficiency and performance
  • Reduces the risk of exhaust fumes entering the cabin
  • Protects nearby components from hot exhaust gas exposure
  • Helps maintain emissions system effectiveness
  • Ensures long-term reliability of the exhaust system and cylinder head connection



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

93011119113
93011119113

The product you are viewing cross references to these numbers
93011119113/2
Product Information
Product Information
Exhaust gasket heat exchanger to cylinder head.
Sold each - 3 gaskets per heat exchanger. 

Fits:
Porsche 911 S 2.4ltr (mech. injection)  - 1971 to 1973
Porsche 911 SC / 911 Carrera 2.7-3.0ltr -  1975 to 1983
Porsche 911 T/E/S (not mech. injection) 2.0-2.4ltr 1964 to 1973
Porsche 911 turbo - 1975 to 1983
Porsche 911 / 911 S / 911 Carrera 2.7 - 1974 to 1975

Diagram ref no 14

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

93011119113
93011119113
93011119110

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Special Order item
90111119300
Product Information
Product Information
Exhaust gasket rear silencer. Sold each.

porsche

Fits:
Porsche 911 1965-73 (need 2pcs)
Porsche 914/6 (need 2pcs)

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

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

90111119300
90111119300
1621100700

The product you are viewing cross references to these numbers
90111119300/1
Product Information
Product Information
Exhaust gasket rear silencer.
This gasket is used to seal the joint between the rear silencer (muffler) and the heat exchanger flange on classic Porsche 911 and 914/6 models, ensuring a tight, leak-free connection in the exhaust system.  
Sold each, Typically two gaskets are required when reinstalling the exhaust rear silencer.

Fits:
Porsche 911 1965 - 1973 (need 2 pcs)
Porsche 914/6 1970 - 1972 (need 2pcs)

Diagram ref no 8

 Application: Seals the connection between the rear silencer (muffler) and the adjacent exhaust pipe/heat exchanger flange on classic air-cooled Porsche engines.

Installed at the rear silencer interface of the exhaust system, this gasket ensures:
A secure, leak-resistant seal between exhaust components
 Smooth exhaust gas passage without loss of power or noise
 Reduced risk of harmful fumes entering cabin areas.

It is made to withstand the high heat and vibration levels typical of classic Porsche exhaust systems, and matches the original Porsche design for long-lasting performance.

Over time, the original exhaust gaskets can crack, harden, or deteriorate due to heat cycles, vibration, and corrosion. A worn or ineffective gasket can lead to:
 Exhaust leaks at the silencer joint
 Increased exhaust noise
 Reduced engine efficiency and performance
 Fumes entering the undercarriage or cabin

Replacing exhaust gasket restores proper sealing, preserves exhaust flow integrity, reduces noise, and helps maintain emissions compliance on classic Porsche vehicles.

Replace the exhaust rear silencer gasket if you notice:
 Audible exhaust leaks near the silencer connection
 Increased cabin noise or exhaust rasp
 Visible gasket deterioration or rust
 During exhaust system removal or reinstallation

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

90111119300
90111119300

The product you are viewing cross references to these numbers
Special Order item
91111319001
Product Information
Product Information
Exhaust gasket. Heat exchanger to engine head. 2.5 x 52 x 34.

porsche

Fits:
Porsche 911 1965-73
Porsche 911 1974-77 *cars with SSI exhaust systems
Porsche 911 (930) Turbo 1975-89 3.0L / 3.3L

Porsche 914/6 1970-76 6-cylinder cars

Porsche 924 Turbo / GT 1976-85

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

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

91111319001
91111319001
93011119109
93011119101
91111319000

The product you are viewing cross references to these numbers
91111319001/1
Product Information
Product Information
Exhaust gasket. Heat exchanger to engine head. 2.5 x 52 x 34.

oematch

Fits:
Porsche 911 1965-73
Porsche 911 1974-77 *cars with SSI exhaust systems
Porsche 911 (930) Turbo 1975-89 3.0L / 3.3L

Porsche 914/6 1970-76 6-cylinder cars

Porsche 924 Turbo / GT 1976-85

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

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

91111319001
91111319001
93011119109
93011119101
90111119500
045.332
91111319000

The product you are viewing cross references to these numbers
Special Order item
61611129100
Product Information
Product Information
Gasket for mounting heat exchanger / exhaust to cylinder head. Four required. Price is for each.

porsche

Fits:
Porsche 356 / 356A / 356B / 356C 1950-65
Porsche 912 1965-69 (Europe and USA)

Click 'Zoom in' for large parts diagram.
Diagram ref no 27

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

61611129100
61611129100
1621101100
130.576
71-11200-20

The product you are viewing cross references to these numbers
61611129100/1
Product Information
Product Information
Gasket for mounting heat exchanger / exhaust to cylinder head. Four required. Price is for each.

elring

Fits:
Porsche 356 / 356A / 356B / 356C 1950-65
Porsche 912 1965-69 (Europe and USA)

Click 'Zoom in' for large parts diagram.
Diagram ref no 27

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

61611129100
61611129100
130.576

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Special Order item
36954103
Product Information
Product Information
Exhaust muffler connecting flange.

Fits:
Porsche 356 1950-65
Porsche 912 1965-69

Diagram ref no 3

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36954103
36954103

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36954103/1
Product Information
Product Information
Exhaust muffler connecting flange.

Fits:
Porsche 356 - 1950 to 1965
Porsche 912 - 1965 to 1969

Diagram ref no 3

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

36954103
36954103
369 54103

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DISPLAYING 1 to 14 (of 14 products)
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About Exhaust Gaskets

Exhaust Gaskets for Porsche | Precision Seal & Performance Reliability

Exhaust gaskets are crucial components in your Porsche’s exhaust system, ensuring a tight, leak-free seal between joints and flanges. They prevent exhaust gases from escaping, maintain correct back pressure, and protect nearby components from heat and harmful emissions.

At Design911, we supply a full range of exhaust gaskets designed for Porsche vehicles — from classic air-cooled 911s to high-performance modern models. Manufactured from high-temperature, corrosion-resistant materials, these gaskets deliver durability and a perfect seal under extreme conditions.

Whether you’re installing a new exhaust, replacing worn components, or upgrading for performance gains, our high-quality Porsche exhaust gaskets guarantee a reliable fit and long-lasting performance.

What Do Exhaust Gaskets Do?

Exhaust gaskets form airtight seals between the various components of the exhaust system, such as manifolds, headers, pipes, and catalytic converters. They play a vital role in maintaining system integrity, performance, and emissions control.

Core Functions:

  • Seals exhaust joints to prevent leaks and gas escape.
  • Maintains back pressure for efficient engine performance.
  • Reduces exhaust noise and vibration.
  • Protects against heat and gas damage.
  • Ensures compliance with emissions standards.

A properly fitted gasket ensures that exhaust gases are channelled efficiently through the system — essential for power, fuel economy, and emissions control.

Why Do Exhaust Gaskets Fail?

Over time, exhaust gaskets are subjected to extreme heat, pressure, and vibration, which can lead to wear or failure.

Common Causes of Failure Include:

  • Thermal expansion and contraction causing cracks or deformation.
  • Corrosion from moisture or road salt exposure.
  • Improper installation or over-tightening.
  • Aging and fatigue of gasket material.
  • Exhaust vibration leading to joint loosening.

When a gasket fails, you may notice hissing or tapping noises, a burning smell, or loss of engine performance. Exhaust leaks can also increase harmful emissions and damage surrounding components.

Why Replace Your Exhaust Gaskets?

Replacing worn or leaking exhaust gaskets is essential for maintaining your Porsche’s performance, efficiency, and emissions compliance.

Key Benefits:

  • Restores proper exhaust sealing and flow efficiency.
  • Reduces exhaust noise and prevents gas leaks.
  • Improves performance and throttle response.
  • Prevents damage to manifolds, sensors, and nearby parts.
  • Crafted from high-grade composite or metal-reinforced materials.
  • Exact-fit design for Porsche 911, Cayman, Boxster, Panamera, Macan and more.

Whether you’re rebuilding your exhaust system or performing routine maintenance, new gaskets ensure reliable sealing and long-term durability.

Highlights:

  • Precision-engineered exhaust gaskets for all Porsche models.
  • High-temperature, corrosion-resistant materials for durability.
  • Ensures a tight, leak-free exhaust seal.
  • Improves performance and emissions control.
  • Perfect fit for performance and restoration projects.
  • Essential for smooth, quiet, and efficient exhaust operation.

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