Engine Mounts

Engine mount fitting kit.  Fitting are for two engine mounts 

Fits:
Porsche 964 C2 / C4 1990-94 (use with RS style mounts)
Porsche 993 Carrera RS 1995-98
Porsche 964 C2 / C4 1990-94 (use with RS style mounts)
Porsche 993 Carrera RS 1995-98

Diagram Ref No 13, 14, 15 and 16.

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Related, superseded, cross reference or alternative numbers for comparison.

964993MOUNTKIT

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Engine Mounts.

 


Fits:
Porsche 964 C4 1989-93 Targa & Cabrio
Porsche 993 C2 Cabrio

Click picture for large parts diagram.
Diagram Ref No 7.

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Related, superseded, cross reference or alternative numbers for comparison.

9653750

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Engine Mounts.

 


Fits:
Porsche 964 C4 1989-93 Targa & Cabrio
Porsche 993 C2 Cabrio

Click picture for large parts diagram.
Diagram Ref No 7.

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Related, superseded, cross reference or alternative numbers for comparison.

9653750

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Engine mount. Price is each should be purchased as a pair.
These have a rubber Shore rating of 65 and are for standard road use

Fits:
Porsche 964 1989 to 1994
Porsche 993 1994 to 1998

Replace your worn, original engine mounts with these RS style, rubber bushed items.

2 Required per car

Diagram ref no 7A

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96437504381

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Upgraded engine mount. Price is each should be purchased as a pair.
These have a HD rubber Shore rating of 75 and are for performance road and track use.



Fits:
Porsche 964 1989 to 1994
Porsche 993 1994 to 1998

Replace your worn, original engine mounts with these upgraded RS style, rubber bushed items.

2 Required per car

Click 'Zoom in' for large parts diagram.
Diagram ref no 7A

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96437504381

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Uniball upgraded engine mount. Price is each should be purchased as a pair.

Fits:
Porsche 964 1989 to 1994
Porsche 993 1994 to 1998

Replace your worn, original engine mounts with these upgraded uniball items.
This performance upgrade reduces engine movement to enhance and improve performance.
Designed for track use.

2 Required per car

Diagram ref no 7A

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96437504381

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Engine Mount HD RS Style Uni-Ball Centre.

Experience uncompromising drivetrain control with the HD RS-Style Engine Mount featuring a Uni-Ball Centre — the ultimate upgrade for high-performance Porsche 964 and 993 models.
Engineered for motorsport precision, this mount combines the robust RS-style housing with a spherical uni-ball bearing core, replacing the standard rubber insert. The result is near-zero flex or deflection under engine torque, ensuring sharper throttle response, improved gearshift accuracy, and stable engine alignment even under extreme load.
Sold Each.
x2 Required Per Car.

Fits:

• 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 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
  
  

Diagram Ref No 7A

What This Product Does:

• In a uniball (spherical bearing) design, the elastic rubber center is replaced (or augmented) with a metal bearing that allows rotation and articulation but eliminates flex / deflection.
  
• This gives a much more direct mechanical interface—engine motion under load is significantly reduced compared to rubber alone.
• Because the spherical joint has very low compliance, the mount becomes much more rigid in the direction of torque / twist (longitudinal / rotational direction) while still permitting the required articulation in other axes.
• This variant is often preferred for track, clubsport, or dedicated performance cars where precision and rigidity matter more than comfort.
  
  

Symptoms Of Worn Or Failing Engine Mounts:

• Excessive Engine Movement - When accelerating, decelerating, or cornering, you may notice the engine rocking or shifting more than normal.
  
• Clunking or Knocking Noises - A distinct thud, clunk, or metal-on-metal noise when shifting gears or during abrupt acceleration/deceleration indicates the mounts are no longer isolating movement properly.
  
• Vibration in the Cabin or Steering Wheel - As the mount deteriorates, it loses its ability to absorb vibration from the engine.
  
• Poor Gearshift Precision - Engine movement causes slight misalignment in the drivetrain, which can result in imprecise or “notchy” gear changes.
  
• Unstable Handling or Driveline Feel - Excessive engine movement shifts the vehicle’s center of gravity and can create a “loose” or unsettled feeling during hard cornering or braking.
  
• Visible Wear or Fluid Leaks - The original Porsche mounts are hydraulic on many 964/993 models; when they leak fluid or collapse, engine support is compromised.
  
• Rattling or Exhaust Misalignment - Worn mounts allow the engine to sit lower or twist, which can cause contact between the exhaust system and underbody components, leading to rattling or vibration noises.
  
  

Why This Upgrade Version Matters:

• Maximum Rigidity / Minimal Deflection — virtually no unwanted movement, giving optimal drivetrain alignment and responsiveness.
  
• Sharper Response & Consistency — throttle, shifts, and engine behavior are more direct because the engine is “locked down.”
  
• Better Repeatability — especially in motorsport, lap after lap the behavior remains consistent.
  
• High Load Handling — in high torque / high cornering environments, the mount retains its shape under stress.
  
• Precision Feel — the driver senses a closer mechanical connection, improving control feedback.

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96437504381

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Engine Mount HD RS Style, 65A Shore Rating.
Upgrade your Porsche’s performance and stability with this RS-style Heavy-Duty Engine Mount. Designed as a direct replacement for standard mounts, it features a 65A Shore-rated rubber compound that delivers the perfect balance between comfort and precision.
Sold Each.
x2 Required Per Car.

Fits:

• 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

Diagram Ref No 7A

What This Product Does:

• This is a high-density (HD) rubber engine mount in the RS / sport style, intended as an upgraded or stronger replacement to the standard mounts offered on Porsche 964 / 993 models.
• The “65A Shore rating” refers to the hardness (stiffness) of the rubber material. A Shore A of 65 gives a balance: firmer than the softest mounts, but not excessively rigid, aiming to deliver improved engine control without too much harshness.
• It is often used as a pair (one on each side of the engine) to replace worn or softer factory mounts.
• The RS style mount replaces or upgrades from the factory hydraulic or softer mounts.
• In practice, what it does: it helps secure the engine more rigidly to the chassis, reducing unwanted engine movement (twist, yaw, vibration) under load (acceleration, cornering, braking). It helps maintain drivetrain geometry, gives crisper throttle response, and improves shift feel.
  
  

Symptoms / Signs Of A Failing Or Worn Engine Mount:

• Excessive Engine Movement / “Engine Rocking” - The engine may shift or rock under throttle or when revving, particularly during hard acceleration, deceleration, or rapid load change.
  
• Clunks or Thuds / Transmission “Bump” During Engagement - When shifting gears, especially from neutral into drive or reverse, or when applying throttle from idle, the drivetrain may “bump” or thud due to slack from the worn mount.
  
• Misalignment / Drivetrain Strain - Because mounts help maintain alignment between engine, gearbox, and driveshafts, a failing mount can cause misalignment, leading to extra stress on coupling joints, CVs, or mount brackets.
  
• Increased Vibration or Harshness - You may feel more vibration through the cabin, floor, or pedals, especially under load.
  
• Noise - Metallic rattles or clunks if the engine is loose enough to hit against brackets or the chassis.
  
• Rubber Deterioration / Visible Damage - Cracks, splits, or separation in the rubber portion of the mount.
  
  

Why This Upgrade Matters:

• Upgrading to the RS-Style Engine Mounts (65A Shore Rating) transforms how your Porsche feels on the road. Standard factory mounts are designed for comfort, but over time they soften and allow excessive engine movement, which dulls throttle response and gear changes. The RS-spec design uses a firmer 65A rubber compound, originally developed for Porsche’s Rennsport (RS) models, to deliver sharper, more connected driving dynamics without adding harshness.
  
• With these mounts installed, your engine and gearbox stay properly aligned, improving stability under acceleration, cornering, and braking. You’ll experience crisper shifting, reduced vibration, and improved handling precision, especially during spirited or track driving.

Related reference numbers
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96437504381

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Engine Mount HD RS Style, 75A Shore Rating.

Upgrade your Porsche’s powertrain stability with the HD RS Style Engine Mounts — precision-engineered replacements inspired by the legendary 964 and 993.
These high-performance mounts use 75A Shore durometer rubber, offering a significant increase in stiffness over standard or hydraulic mounts.
The result reduced drivetrain movement, crisper throttle and shift response, and more consistent handling under load.
Sold Each.
x2 Required Per Car.

Fits:

• 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
  
  

Diagram Ref No 7A

What This Product Does:

• Support the engine / transmission assembly, holding it in position relative to the chassis.
  
• Isolate vibration and noise, so that engine shake doesn’t overly transmit into the cabin.
  
• Control motion under load, resisting twisting, torque, or movement during acceleration / braking / cornering.

Symptoms Of Failing / Weak Engine Mounts:

• Excess engine movement or shift under acceleration or deceleration
  
• Clunks, knocks, or bangs when shifting or when the engine “settles”
  
• Increased vibration, especially at idle or low RPM in the cabin
  
• Misalignment of driveline (axles, driveshaft, transmission) under load
• Premature wear on exhaust, wiring, hoses — anything connected to the engine that gets stressed when it moves

Why Upgrade To HD RS 75A Mounts:

• Sharper Throttle & Shift Response - Stiffer rubber minimizes drivetrain lag and flex.
• Reduced Engine Twist - Keeps drivetrain geometry stable under load.
• Improved Handling Balance - Less movement means more predictable chassis behavior.
• Enhanced Durability - 75A compound resists collapse and fatigue over time.
• Track-Tested Feedback - Ideal for RS conversions, spirited driving, or track use.

Related reference numbers
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96437504381

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Engine Mount Kit. HD RS version.
Replaces factory hydraulic mounts. 1 kit with 2 mounts, hardware not included. This set has a rubber Shore rating of 75 and can be used as an upgrade for standard 964/993 for performance road and track use



Fits:
Porsche 964 Carrera
Porsche 993 Carrera

Click 'Zoom in' for large parts diagram.
Diagram Ref No 7A.

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96437504381KIT

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Engine Mount Panel.

Fits:
Porsche 964 1989 - 1994
Porsche 993 1994 - 1997

Diagram ref no 8

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99350104

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Engine mount washer.



Fits:
Porsche 964 Carrera RS 1989-94
Porsche 993 Carrera RS 1995-98

Click picture for large parts diagram.
Diagram Ref No 15

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99902507401

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Engine mount washer.



Fits:
Porsche 964 Carrera RS 1989-94
Porsche 993 Carrera RS 1995-98

Click picture for large parts diagram.
Diagram Ref No 16

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PCG02513402

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Engine mount.



Fits:
Porsche 964 C2 - 1989 to 1993

Click 'Zoom in' for large parts diagram.
Diagram ref no 7.

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

9643750

The product you are viewing cross references to these numbers

Engine mount.



Fits:
Porsche 964 C2 1989-93

Click 'Zoom in' for large parts diagram.
Diagram ref no 7.

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

9643750

The product you are viewing cross references to these numbers

Engine Mount.

You will need 2 for the engine. Price is for each.

Fits:
Porsche 964 Carrera RS 1989-94
Porsche 993 Carrera RS 1995-98

Click picture for large parts diagram.
Diagram Ref No 7A.

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

96437504381

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