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- 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
This OE Match engine bay sound proofing damping mat is a direct replacement for the original Porsche insulation panel used in the engine compartment of 964-generation 911 models. Mounted to the underside of the engine lid or engine bay bulkhead depending on application, it helps absorb engine noise and vibration while also providing thermal insulation.
Fits:
Porsche 964 1989 - 1994
Diagram ref no 13
This sound proofing mat absorbs engine noise and vibration generated within the engine compartment, reducing sound transmission into the cabin. It also helps insulate against engine heat, improving comfort and maintaining a cleaner engine bay appearance.
Function
• Reduces engine noise and vibration entering the cabin
• Provides thermal insulation within the engine compartment
• Helps maintain factory refinement and driving comfort
• Protects surrounding panels from heat exposure
• Restores original engine bay appearance and insulation performance
Position: Engine compartment / engine lid insulation area
OE reference: 96455628103
Cross references: 96455628100, 96455628101
Typically 1 required per vehicle
Original engine bay insulation mats commonly deteriorate over time due to heat, oil vapour, and age. As the foam breaks down, it can crumble into the engine bay, reduce sound insulation effectiveness, and create an untidy appearance. Replacing the mat restores proper acoustic insulation, improves engine bay presentation, and helps maintain cabin comfort.
When to replace
• Original insulation foam is crumbling or deteriorating
• Increased engine noise inside cabin
• Visible sagging or separation of insulation material
• During engine bay restoration or repainting
• Heat damage or contamination from oil and debris
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96455628103
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)
The OE Match Engine Compartment Seal is a replacement rubber seal designed for the engine bay of the Porsche 914 1.7–2.0.
Fits:- Porsche 914 (1970-1976)
Diagram Ref No 12
The seal forms part of the engine compartment sealing system, helping separate the engine bay from surrounding body areas and maintain the correct airflow path around the air-cooled engine.
Because the Porsche 914 relies heavily on controlled cooling airflow, a complete and correctly fitted engine compartment seal is important for keeping hot air, dirt and debris from circulating where they should not.
This OE Match replacement is ideal for restoring an original seal that has become hardened, cracked, shrunken, damaged or missing through age.
What This Product Does:
The engine compartment seal helps create a controlled environment around the engine.
Its main functions include:
- Sealing gaps around the engine compartment
- Helping direct cooling air correctly
- Reducing recirculation of hot air around the engine
- Helping keep dirt, dust and road debris out of the engine bay
- Limiting moisture intrusion
- Supporting correct engine temperature management
- Helping protect surrounding wiring, hoses and components
- Maintaining the original factory-style engine bay sealing arrangement
On an air-cooled Porsche, correct airflow is particularly important because cooling performance depends on directing air through the intended cooling path rather than allowing hot air to circulate back into the engine compartment.
Symptoms Of Wear Or Failure:
Engine compartment seals deteriorate naturally through age, heat, oil vapour and repeated compression.
Common signs that replacement may be required include:
- Rubber becoming hard or brittle
- Cracks or splits in the seal
- Sections breaking away
- Seal shrinking and leaving visible gaps
- Loss of flexibility or elasticity
- Flattened or permanently compressed rubber
- Seal no longer sitting securely in position
- Missing sections of the original seal
- Increased dirt or debris entering the engine bay
- Visible gaps around the engine compartment
- Hot air being able to recirculate around the engine
- Deterioration found during engine removal or restoration
Even if an old seal appears complete, decades of heat exposure may have reduced its ability to seal effectively. Design911 notes that engine-bay seals commonly degrade from heat, oil vapour, compression fatigue and general ageing.
Why Replacement Matters:
- A damaged or incomplete engine compartment seal can allow hot air to recirculate into areas intended to receive cooler airflow.
- On an air-cooled Porsche 914, this can reduce the effectiveness of the engine's cooling arrangement and make temperature control less efficient.
- Gaps in the seal can also allow more dirt, moisture and road contamination into the engine compartment, increasing contamination around electrical connections, hoses and other components.
- Replacing a hardened, cracked or missing seal helps restore the original airflow path and creates a more complete barrier around the engine compartment.
- It is particularly worthwhile during engine removal, rebuilding or restoration, when access to the sealing areas is easier and ageing rubber components can be renewed as part of the overall refurbishment.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91450415510
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)
Fits:
Porsche 914 - 1970 to 1976
Click 'Zoom in' for large parts diagram.
Diagram ref no 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91451231910
The product you are viewing cross references to these numbers