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Porsche // 993 (911) (1994-1998) // 993 (911) TURBO S 1994-97
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Rear Sound Absorber. Porsche 993 1994-98 - 99355621
99355621
Vehicle Group
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Information
Rear Sound Absorber.
Restore the acoustic performance of your Porsche with this genuine OEM sound absorber panel from Porsche. Designed for the body/trim of the 993 this part improves road-noise insulation, reduces rear-end rattles and helps maintain the quiet, refined cabin Porsche intended.
Fits:
Diagram Ref No 5
What This Product Does:
Symptoms & Signs You Might Need Replacement:
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99355621
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Restore the acoustic performance of your Porsche with this genuine OEM sound absorber panel from Porsche. Designed for the body/trim of the 993 this part improves road-noise insulation, reduces rear-end rattles and helps maintain the quiet, refined cabin Porsche intended.
Fits:
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Diagram Ref No 5
What This Product Does:
- A sound absorber in this context is a piece of material (panel, mat, liner) mounted inside the body structure (often rear wheel-house, rear body panel, underside or inner arch) that reduces transmission of road noise, exhaust noise, underbody noise, and helps improve cabin quieter ambience.
- It also helps with vibration damping and may assist in reducing resonance or panel noise from wheel wells or rear structures.
- So although it may be called “Rear Sound Absorber”, the role is acoustic & NVH (Noise-Vibration-Harshness) control rather than structural or driving component.
Symptoms & Signs You Might Need Replacement:
- Increased cabin noise, especially from the rear wheel well, rear body area, or under-carriage.
- Rattling or buzzing noises in the rear portion of the vehicle (especially with ageing inner liners or insulation panels) — the material may have detached or degraded.
- Visible damage or missing panel: The insulation mat or absorber might be missing, torn, sagging, wet (water ingress) or corroded substantively.
- Age and wear: Over time, especially on older 993 vehicles, insulation mats can break down, delaminate, or allow noise ingress compared to new.
- Improves cabin comfort: For premium vehicles like Porsche 911, maintaining a quiet interior is part of the driving experience. A degraded sound absorber reduces this comfort.
- Maintains NVH integrity: A whisking of rear-end noise, tyre/road noise or exhaust resonance can intrude into the cabin if the absorber is missing or ineffective. Replacing helps maintain factory spec.
- Prevents hidden issues: Sometimes, missing or degraded insulation allows moisture, road debris or dirt to encroach into body cavities, potentially causing rust or other unseen damage.
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Prices from: £70.77
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Vehicle Group
- 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
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Information
Floor Sound Proof Mat FRONT for RHD Cars
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Fits:
Porsche 964 1989-94 RHD Cars
Porsche 993 1995-98 RHD Cars
Click 'Zoom in' for large parts diagram.
Diagram ref no 4.
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Vehicle Group
- 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) 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
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
- Porsche 914 (1970-1976)
Information
Sound absorber kit for body work insulation. Cut for doors but universal usable. Dimension 50 x 26 cm.
Fits:
Porsche 356 1.1-1.6 01/50-12/65
Porsche 911 2.0-3.3 01/63-07/89
Porsche 912 1.6 01/65-02/70
Porsche 914 1.7-2.0 01/69-02/76
Porsche 964 3.3-3.6 12/88-06/94
Porsche 993 3.6-3.8 10/93-09/97
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8181300510
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Fits:
Porsche 356 1.1-1.6 01/50-12/65
Porsche 911 2.0-3.3 01/63-07/89
Porsche 912 1.6 01/65-02/70
Porsche 914 1.7-2.0 01/69-02/76
Porsche 964 3.3-3.6 12/88-06/94
Porsche 993 3.6-3.8 10/93-09/97
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Vehicle Group
- 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) 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
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
- Porsche 914 (1970-1976)
Information
Body and Metalwork Sound Proofing Sheet by OE Match for Porsche body and metal panel applications. The flexible, self-adhesive sheet measures 50 x 50cm and is 2mm thick.
Suitable for complex panel shapes where flexible damping material is required
What This Product Does
This lightweight multilayer sheet is designed to damp vibration and reduce noise transmitted through bodywork and metal panels. Its flexible construction allows it to follow shaped surfaces while adding minimal thickness.
Functions
- Damps vibration through metal body panels
- Helps reduce transmitted panel and road noise
- Conforms to complex surfaces
- Provides straightforward installation through its self-adhesive layer
Technical Details
- Brand: OE Match
- Quantity: one sheet
- Sheet dimensions: 50 x 50cm
- Thickness: 2mm
- Construction: butyl rubber-based polymer layer with an aluminium foil outer surface
Why Replacement Matters
Sound-deadening material may be renewed when original insulation has deteriorated, become detached or been removed during bodywork and restoration. Applying fresh damping material can help control panel resonance and restore acoustic insulation in the treated area.
FAQs
- Is the sheet self-adhesive? Yes. It has an adhesive layer to assist installation.
- How many sheets are supplied? The product consists of one 50 x 50cm sheet.
- Can it follow shaped panels? Yes. The multilayer material is flexible and intended for use on complex surfaces.
- What is the outer surface made from? The damping layer has an aluminium foil outer surface.
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Vehicle Group
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Information
Engine bay insulation mat
This OE match engine bay insulation mat is a direct replacement for the original Porsche soundproofing panel fitted to 993-generation 911 models. Installed on the underside of the engine lid or within the engine compartment, it helps absorb engine noise, damp vibration, and provide thermal insulation from the air-cooled engine.
Fits:
Porsche 993 1995 - 1998
Diagram ref no 13
These insulating mats are produced to the highest quality standards and hardly distinguishable from the original, partly no longer available insulating mats.
This insulation mat absorbs engine noise and vibration generated within the engine compartment, helping reduce sound transmission into the cabin. It also provides thermal insulation, reducing radiant heat transfer and improving driving comfort.
Advantages:
• Self-adhesive back
• Temperature resistant from -40 ° C to + 150 ° C
• Meets the automotive standards for fire behavior according to FMVSS302, DIN 75200
• Precise design (structure, thickness and shape) according to the original insulation mats
• True to original material
• noticeably less noise and radiant heat from the engine compartment
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 negatively affect engine bay appearance. Replacing the insulation mat restores acoustic performance, improves thermal protection, and refreshes the engine compartment.
When to replace
• Original insulation foam is crumbling or deteriorating
• Increased engine noise inside cabin
• Visible sagging or peeling insulation
• During engine bay restoration or repainting
• Heat or oil contamination damage
Related reference numbers
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99355628100
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This OE match engine bay insulation mat is a direct replacement for the original Porsche soundproofing panel fitted to 993-generation 911 models. Installed on the underside of the engine lid or within the engine compartment, it helps absorb engine noise, damp vibration, and provide thermal insulation from the air-cooled engine.
Fits:
Porsche 993 1995 - 1998
Diagram ref no 13
These insulating mats are produced to the highest quality standards and hardly distinguishable from the original, partly no longer available insulating mats.
This insulation mat absorbs engine noise and vibration generated within the engine compartment, helping reduce sound transmission into the cabin. It also provides thermal insulation, reducing radiant heat transfer and improving driving comfort.
Advantages:
• Self-adhesive back
• Temperature resistant from -40 ° C to + 150 ° C
• Meets the automotive standards for fire behavior according to FMVSS302, DIN 75200
• Precise design (structure, thickness and shape) according to the original insulation mats
• True to original material
• noticeably less noise and radiant heat from the engine compartment
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 negatively affect engine bay appearance. Replacing the insulation mat restores acoustic performance, improves thermal protection, and refreshes the engine compartment.
When to replace
• Original insulation foam is crumbling or deteriorating
• Increased engine noise inside cabin
• Visible sagging or peeling insulation
• During engine bay restoration or repainting
• Heat or oil contamination damage
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Price: £75.00
In stock