Brackets / Clamps / Straps

Bracket for exhaust crossover pipe heat shield.

Fits:
Porsche 911 3.2L 1987-89

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Diagram ref no 16

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93011119703

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Bracket for exhaust silencer, for cars with air con.

Fits:
Porsche 911 1975-83
Porsche 930 Turbo 1975-77
For cars with air con

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Diagram ref no 30

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93011115402

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Clamp SP 68/20.

The Genuine Porsche Clamp SP 68/20 (Part Number: 9995122460C) is an original equipment fastening component designed for selected classic Porsche 911, 930 Turbo and 964 heating and exhaust heat exchanger assemblies.
Sold Each.

Fits:

• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)
• Porsche 964 (911) C2 1989-93
• Porsche 964 (911) C4 1989-93
• Porsche 964 (911) RS 3.6L 1991-93
• Porsche 964 (911) RS 3.8L 1991-93
• Porsche 964 (911) TURBO 3.3L 1991-93
• Porsche 964 (911) TURBO 3.6L 1991-93 

 
Diagram Ref No 20

This specialised clamp is used to secure the connection between the engine's heat exchanger outlet and the associated hot-air hose, elbow or adapter.

The air-cooled Porsche 911 heating system uses heat exchangers surrounding sections of the exhaust system to warm air before directing it through the vehicle's heating ducts and into the passenger compartment.

The Clamp SP 68/20 helps maintain a secure connection within this heated-air delivery arrangement.

Manufactured to Porsche's original equipment specification, the clamp is designed to provide the appropriate fastening arrangement for the specified duct connection.

During operation, the heating system is exposed to elevated temperatures, vibration and repeated thermal expansion and contraction.

A correctly fitted clamp helps prevent the duct connection from loosening, reducing unwanted hot-air leakage and maintaining the intended flow of heated air through the system.

Over time, original clamps may become corroded, distorted or weakened by repeated exposure to heat and moisture.

Damaged threads, a fractured band or deteriorated tightening hardware can prevent the clamp from securing the connection correctly.

A loose clamp may allow the heating hose to move or become partially detached, leading to a reduction in heating efficiency, unwanted rattling or warm air escaping before it reaches the cabin.

Replacing a worn or damaged clamp with a Genuine Porsche component helps restore secure duct attachment, maintain the original heating arrangement and support reliable cabin heating performance.

What This Product Does:
The Clamp SP 68/20 is a mechanical fastening component used within the engine heat exchanger's hot-air ducting arrangement.

Its primary function is to secure the specified heating hose or elbow to the associated heat exchanger connection.

When the engine is running, the heating system uses air warmed by the heat exchangers.

This heated air travels through a series of ducts, hoses and heater control components before reaching the cabin.

The clamp helps maintain the connection between two parts of this airflow circuit.

Its main functions include:

• Securing hot-air duct connections: Holds the specified heater hose or elbow firmly against its mating connection.
• Supporting cabin heating: Helps maintain the heated-air passage from the heat exchanger towards the passenger compartment.
• Reducing unwanted air leakage: Helps prevent warm air escaping through an inadequately secured joint.
• Maintaining correct hose positioning: Keeps the connected hose or adapter seated in its intended location.
• Reducing movement and vibration: Limits unwanted movement at the duct connection.
• Supporting heating efficiency: Helps ensure heated air follows its intended route.
• Maintaining original heating-system construction: Preserves the factory fastening arrangement.
• Providing secure mechanical retention: Holds the connection together under normal operating conditions.
• Supporting heater system repairs: Allows damaged or corroded fastening hardware to be renewed.
• Maintaining reliable duct attachment: Helps prevent the hose or elbow from becoming detached.

Symptoms Of Wear Or Failure:
The clamp operates in an area exposed to engine heat, road moisture, corrosion and vibration.

Although relatively simple in construction, prolonged service may affect its ability to maintain secure fastening.

Common signs of a worn or damaged clamp include:

• Reduced cabin heating performance: A loose hot-air connection may allow heated air to escape before reaching the passenger compartment.
• Weak airflow from heater outlets: A partially detached hose may reduce the amount of warm air reaching the heating system.
• Visible corrosion: Rust may weaken the clamp or prevent its tightening mechanism from operating correctly.
• Loose heater hose: The connected hose may move because the clamp no longer provides sufficient retention.
• Detached hot-air duct: A severely damaged or missing clamp may allow the hose or elbow to separate.
• Rattling near the heat exchanger: An insecure duct connection may produce vibration-related noises.
• Damaged clamp band: Cracking, splitting or physical distortion may affect fastening.
• Stripped tightening mechanism: Damaged threads may prevent the clamp from being tightened securely.
• Seized fastening hardware: Corrosion may prevent the clamp from loosening or tightening during maintenance.
• Distorted clamp shape: Excessive tightening or mechanical damage may prevent even contact around the connection.
• Visible gaps around the joint: The heater hose or adapter may no longer sit correctly.
• Repeated loosening: A weakened clamp may fail to maintain secure attachment.
• Abrasion marks: Movement between the hose and adjoining components may produce wear.
• Damaged hose end: An incorrectly fitted or overtightened clamp may deform the connected heater hose.
• Missing clamp: Previous repairs may have left the heating duct without its correct retaining component.

Why Replacement Matters:
Replacing a defective heating duct clamp is important for maintaining the correct connection between the heat exchanger and the cabin heating system.

A corroded, loose or distorted clamp may no longer provide sufficient fastening force.

This can allow the connected hose or elbow to move, leak heated air or become detached.

Continued operation with an insecure duct connection may reduce heating performance and contribute to wear of the associated hose or adapter.

Installing a Genuine Porsche replacement Clamp SP 68/20 helps to:

• Restore secure heater hose attachment: Replace damaged fastening hardware.
• Maintain heated-air delivery: Help preserve the intended airflow route from the heat exchanger.
• Reduce unwanted hot-air leakage: Address air loss caused by a loose connection.
• Support cabin heating performance: Maintain the connection needed for effective heating.
• Prevent hose detachment: Restore the intended mechanical retention.
• Reduce rattling and vibration: Secure components that have become loose.
• Replace corroded hardware: Renew ageing clamps affected by heat and road moisture.
• Protect neighbouring components: Help prevent movement and abrasion caused by an insecure duct.
• Support heat exchanger servicing: Provide the correct clamp when associated hoses or adapters are removed.
• Maintain original fitment: Preserve Porsche's intended heater duct connection.
• Support classic Porsche restoration: Replace damaged or missing original hardware.
• Maintain Genuine Porsche quality: Use a factory-specified replacement for the relevant connection.

Replacement is recommended when the clamp is cracked, heavily corroded, distorted, missing or unable to tighten securely.

If the connected heater hose or heat exchanger outlet is damaged, replacing the clamp alone may not restore the connection.

Related reference numbers
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9995122460C

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Engine tray to exhaust support bracket.

Fits:
Porsche 912 1965-69

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

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61610674000

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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

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1620650200

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OE Match exhaust bracket for Porsche 911 models from 1969–1983. This Black bracket supports the exhaust assembly and helps maintain its positioning.

Fits:
Porsche 911 1969 - 1983

Diagram reference: 19.

What This Product Does

The bracket forms part of the exhaust mounting assembly, working with the associated clamps and fixings to hold the silencer in position. Correct support limits unwanted movement and helps avoid additional strain on adjoining exhaust components.

Functions

• Provides support for the exhaust assembly.
• Helps retain the intended silencer position.
• Restricts movement that can contribute to rattling or contact with surrounding components.

Technical Details

• Brand: OE Match; supplied colour: Black.
• Associated part references: 90111115104 / 90111115103.
  
  

Symptoms of Fault

• Rattling or knocking from the exhaust area.
• A silencer that hangs lower or sits unevenly.
• Visible corrosion, fractures or distortion in the bracket.
• Excessive exhaust movement or vibration.

Why Replacement Matters

A damaged support can allow the exhaust to shift, placing additional load on its joints and neighbouring mountings. Renewing a deteriorated bracket helps restore the intended mounting arrangement. Inspect the clamps, straps and fasteners at the same time, as worn supporting hardware may also require attention.

FAQs

Should existing exhaust straps be reused?
Inspect their condition first. Corroded, damaged or stretched straps should be renewed rather than relied upon to support the assembly.

What should be checked during installation?
Confirm bracket compatibility, silencer alignment and clearance around nearby bodywork. Examine the associated fixings and follow the applicable fitting instructions.

Related reference numbers
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90111115104

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Bracket for exhaust, rear, stainless steel.

Fits:
Porsche 911 1965-83

Click 'Zoom in' for large parts diagram.
Diagram Ref No 19

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90111115104

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Exhaust bracket.

Fits:
Porsche 911 1969-83

Click 'Zoom in' for large parts diagram.
Diagram Ref No 19

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90111115104

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Clamp for mounting exhaust to heat exchanger.

Fits:
Porsche 356 A/B/C 1.6L 01/1955-12/1965
Porsche 912 1.6L 01/1965-02/1970

Two required. Price is for each clamp.

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36954109

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Clamp for mounting exhaust to heat exchanger.
It is manufactured to replicate the original Porsche specification, offering correct diameter, mounting geometry, material durability and secure fastenings.
Sold each, 2 required per vehicle.

Fits:
Porsche 356 A/B/C 1.6L 01/1955 - 12/1965
Porsche 912 1.6L 01/1965 - 02/1970

Position on Vehicle: Connects the muffler (rear silencer) to the heater/exchanger unit of the exhaust system.

Applications: Ideal when the original clamp is corroded, broken, allowing exhaust leak at the joint, or if restoration demands correct specification hardware.

A sound exhaust system clamp ensures the crucial connection between muffler and heater-exchanger remains sealed and tethered. If this joint fails or the clamp is weakened, you may experience: noisy exhaust leaks, lower back-pressure, potential heater/exchanger corrosion or stress, increased exhaust heat intrusion under the car. Installing a correct clamp restores system integrity and protects the exhaust components.

When and why to replace:
• Visible rust, cracking or breaking of the original clamp.
• Audible exhaust leak or heat-exchange joint sound.
• During full exhaust removal or restoration when the heater/exchanger is exposed.
• When restoring a classic Porsche to correct specification with original-style parts.

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36954109

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Exhaust cross over pipe bolt.
 2 pcs required, price is for each.

Fits:
Porsche 911 1975 - 1989
Porsche 930 Turbo

Diagram ref no 14

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90007423302

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Exhaust cross over pipe bolt.
2 pcs required, price is for each.

Fits:
Porsche 911 1975 - 1989
Porsche 930 Turbo

Diagram ref no 14

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90007423302

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Exhaust Clamp for Cross Over Pipe Clamp Half
Sold each - 2 required per car

Maintain a secure and leak-free exhaust system with Exhaust Clamp, designed for use on the cross over pipe of Porsche 911 models produced between 1975 and 1989. Manufactured from mild steel, this clamp need two matching half sections that bolt together around the exhaust pipe connection, providing the clamping force required to secure and seal the joint.

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

Diagram ref no 11 

The cross over pipe forms an important part of the air-cooled Porsche exhaust system, helping direct exhaust gases between engine banks and associated exhaust components. The clamp plays a critical role in maintaining correct pipe alignment while preventing movement, vibration and exhaust leaks.

Over time, original exhaust clamps can become corroded, weakened or damaged due to repeated heat cycles, moisture exposure and road contamination. Replacing worn clamps helps ensure reliable exhaust system operation and supports long-term durability.

What Does an Exhaust Clamp Do?

An exhaust clamp secures adjoining exhaust components together while helping maintain a tight and stable connection.

A properly functioning exhaust clamp helps:

• Secure exhaust pipe joints
• Maintain correct pipe alignment
• Reduce exhaust movement and vibration
• Help prevent exhaust gas leaks
• Support gasket sealing performance
• Improve exhaust system reliability
• Protect connected exhaust components

Without sufficient clamping force, exhaust joints can loosen and allow gases to escape.

Symptoms of Wear or Failure

Exhaust clamps operate in one of the harshest environments on the vehicle and are constantly exposed to heat, corrosion and vibration.

Common signs that replacement may be required include:

• Visible rust or corrosion
• Cracked or weakened clamp sections
• Loose exhaust joints
• Exhaust blowing noises
• Rattling from the exhaust system
• Exhaust leaks around pipe connections
• Soot deposits around clamp areas
• Distorted or damaged clamp halves
• Difficulty maintaining correct torque

A failing clamp can allow excessive movement within the exhaust system, leading to leaks and additional component wear.

Why Replacement Matters

Replacing a worn exhaust clamp helps maintain exhaust system integrity and prevents unnecessary stress on surrounding components.

Benefits include:

• Restores secure pipe connections
• Reduces exhaust leaks
• Improves exhaust system stability
• Minimises vibration and rattles
• Helps maintain proper exhaust flow
• Protects connected pipes and silencers
• Supports reliable long-term performance
• Improves repair and restoration quality

For classic air-cooled Porsche 911 models, replacing ageing exhaust hardware is an important part of maintaining both performance and reliability.

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91111118700

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Exhaust Clamp for Cross Over Pipe - Clamp Made Out of 2 Halves

Maintain a secure and leak-free exhaust system with Exhaust Clamp, designed for use on the cross over pipe of Porsche 911 models produced between 1975 and 1989. Manufactured from mild steel, this clamp consists of two matching half sections that bolt together around the exhaust pipe connection, providing the clamping force required to secure and seal the joint.

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

Diagram ref no 11 

The cross over pipe forms an important part of the air-cooled Porsche exhaust system, helping direct exhaust gases between engine banks and associated exhaust components. The clamp plays a critical role in maintaining correct pipe alignment while preventing movement, vibration and exhaust leaks.

Over time, original exhaust clamps can become corroded, weakened or damaged due to repeated heat cycles, moisture exposure and road contamination. Replacing worn clamps helps ensure reliable exhaust system operation and supports long-term durability.

What Does an Exhaust Clamp Do?

An exhaust clamp secures adjoining exhaust components together while helping maintain a tight and stable connection.

A properly functioning exhaust clamp helps:

• Secure exhaust pipe joints
• Maintain correct pipe alignment
• Reduce exhaust movement and vibration
• Help prevent exhaust gas leaks
• Support gasket sealing performance
• Improve exhaust system reliability
• Protect connected exhaust components

Without sufficient clamping force, exhaust joints can loosen and allow gases to escape.

Symptoms of Wear or Failure

Exhaust clamps operate in one of the harshest environments on the vehicle and are constantly exposed to heat, corrosion and vibration.

Common signs that replacement may be required include:

• Visible rust or corrosion
• Cracked or weakened clamp sections
• Loose exhaust joints
• Exhaust blowing noises
• Rattling from the exhaust system
• Exhaust leaks around pipe connections
• Soot deposits around clamp areas
• Distorted or damaged clamp halves
• Difficulty maintaining correct torque

A failing clamp can allow excessive movement within the exhaust system, leading to leaks and additional component wear.

Why Replacement Matters

Replacing a worn exhaust clamp helps maintain exhaust system integrity and prevents unnecessary stress on surrounding components.

Benefits include:

• Restores secure pipe connections
• Reduces exhaust leaks
• Improves exhaust system stability
• Minimises vibration and rattles
• Helps maintain proper exhaust flow
• Protects connected pipes and silencers
• Supports reliable long-term performance
• Improves repair and restoration quality

For classic air-cooled Porsche 911 models, replacing ageing exhaust hardware is an important part of maintaining both performance and reliability.

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

91111118700

The product you are viewing cross references to these numbers