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Engine Mounts

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ENGMTGKIT955T
Product Information
Product Information

Engine Mount & Hardware Kit
This complete engine mount and hardware kit includes left and right OE Match engine mounts along with the correct mounting hardware. Designed as a direct-fit replacement, the kit restores proper engine alignment, stability, and vibration control. By replacing both mounts and fasteners together, you ensure maximum reliability and secure installation.

Fits:
Porsche Cayenne S 4.5L V8 2003-06
Porsche Cayenne Turbo 4.5L 2003-06
Porsche Cayenne Turbo S 4.5L 2006>>
Porsche Cayenne S/GTS 4.8L 2007-10
Porsche Cayenne Turbo / Turbo S 4.8L 2007-10

What the Products Do

  • Engine Mounts: Cushion the engine against vibrations, reduce cabin noise, and hold the engine securely in place during acceleration, braking, and cornering.
  • Mounting Hardware: Provides the secure fastening required to keep mounts properly torqued and aligned, preventing unwanted movement or loosening over time.

Together, these components keep your engine stable, smooth, and securely mounted to the chassis.

Symptoms of Worn or Failing Engine Mounts

  • Excessive vibration in the cabin or steering wheel
  • Clunking or knocking noises during acceleration, braking, or gear changes
  • Visible sagging, cracks, or separation in the rubber mounts
  • Engine movement when shifting between drive and reverse
  • Uneven alignment of engine components

Common Reasons for Failure

  • Heat & Age: Rubber within the mounts deteriorates and hardens over time due to constant exposure to engine heat.
  • Stress & Load: Aggressive driving, heavy loads, and constant torque stresses accelerate mount wear.
  • Oil Leaks: Oil contamination weakens the rubber and causes premature cracking or separation.
  • Hardware Fatigue: Original nuts and bolts can stretch, corrode, or lose proper torque over repeated heat cycles.

Why Replace as a Kit?

  • Ensures balanced support by replacing both mounts at the same time.
  • Fresh hardware guarantees secure fitment and prevents premature loosening.
  • Restores factory-level comfort, reducing vibrations and noise.
  • Prevents engine misalignment, which can damage exhaust connections, driveshafts, or transmission mounts.
  • Saves on labour costs by doing the full job at once rather than piecemeal replacements.

 Ideal For: Preventive maintenance, resolving drivetrain vibrations, or refreshing the engine bay during major service.

Diagram ref no 2, 5, 6 and 8



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

ENGMTGKIT955T
94837504901
94837504900
94837505001
94837505000
90037800401
90037800409
99908444501
90091003702
90091004602

The product you are viewing cross references to these numbers
Special Order item
95837530930
Product Information
Product Information
Engine Carrier.

porsche

Fits:
Porsche 955 Cayenne S / TURBO 2003-06
Porsche 957 Cayenne S / GTS / TURBO 2008-10
Porsche 958 Cayenne S / GTS / TURBO 2015>>

Click 'Zoom in' for large parts diagram.
Diagram Ref No 1.

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

95837530930
94837530902
94837530903
94837530904
95837530930

The product you are viewing cross references to these numbers
9483750
Product Information
Product Information
Engine mount.

oematch

Fits:
Porsche 955 Cayenne S / Turbo 2003-06
Porsche 957 Cayenne S / Turbo 2007-10

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

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

9483750
94837505001
94837504901
4143751001
4143751002

The product you are viewing cross references to these numbers
Special Order item
90037800401
Product Information
Product Information
Hexagon head bolt BM10x65-PA engine mount. 
Sold each - 4 required per car

porsche

Fits:
Porsche 955 Cayenne S V8- 2003 to 2006
Porsche 955 Cayenne turbo / turbo SV8- 2003 to 2006
Porsche 957 Cayenne S / GTS V8- 2007 to 2010
Porsche 957 Cayenne turbo /turbo S - 2007 to 2010
Porsche 958 Cayenne S / GTS V8 - 2011 to 2017
Porsche 958 Cayenne turbo / turbo S V8 -2011 to 2017

Click 'Zoom in' for large parts diagram.
Diagram ref no 4




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

90037800401
90037800401

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 4 products)
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About Engine Mounts

Replacement Engine Mounts – Stability, Comfort, and Performance for Porsche Models

Engine mounts are the unsung heroes of your Porsche’s drivetrain, securing the engine to the chassis while absorbing vibration and maintaining precise alignment. Over time, these components can degrade from constant heat, torque, and road stress — affecting ride quality, handling, and drivetrain performance.

At Design911, we supply a wide selection of precision-engineered replacement engine mounts designed to the highest performance standards. Manufactured from high-grade rubber, polyurethane, or reinforced composite materials, these mounts provide the perfect balance of vibration isolation and structural support.

Whether you’re restoring a classic air-cooled model or maintaining a modern 911, manufacturer-quality mounts ensure smooth operation, improved comfort, and precise drivetrain alignment under all conditions.

What Do Engine Mounts Do?

Engine mounts secure the engine and transmission to the vehicle’s chassis, minimising movement while isolating vibrations that would otherwise transfer into the cabin.

Core Functions:

  • Securely position the engine and transmission within the chassis.
  • Absorb vibration and torque movement, improving comfort and handling.
  • Maintain drivetrain alignment for optimal power transfer.
  • Reduce stress on components such as hoses, wiring, and exhaust connections.

Well-fitted engine mounts preserve your Porsche’s distinctive refinement and handling precision, especially under high load or spirited driving.

Why Do Engine Mounts Fail?

Due to constant exposure to torque, heat, and vibration, engine mounts naturally degrade over time. Worn or broken mounts can lead to excessive engine movement, clunking noises, and vibration inside the cabin — symptoms that should never be ignored.

Common Causes of Engine Mount Failure Include:

  • Material fatigue from age or repeated heat cycling.
  • Oil contamination, softening rubber or polymer components.
  • Excessive engine torque or vibration, especially on tuned or high-mileage engines.
  • Corrosion or cracking in metal brackets or hardware.
  • Improper installation leading to uneven stress and premature wear.

Failing mounts compromise performance and comfort, causing drivetrain misalignment and potential damage to surrounding components.

Why Replace with Precision-Engineered Engine Mounts?

Upgrading to high-quality replacement engine mounts restores the stability, refinement, and handling balance your Porsche was designed for. Precision-engineered mounts ensure reliable load distribution, vibration damping, and improved driving comfort.

Key Benefits:

  • Restores drivetrain stability and precise engine positioning.
  • Reduces vibration and harshness, improving cabin comfort.
  • Enhances throttle response by limiting engine movement.
  • Protects critical components from stress and misalignment.
  • Available in rubber or performance polyurethane for tailored ride feel.
  • Perfect fitment across Porsche models — air-cooled, turbocharged, or hybrid.

Whether you’re maintaining daily drivability or preparing for track use, replacement mounts deliver the durability and control your Porsche deserves.

Highlights:

  • Precision-engineered replacement engine mounts for all Porsche models.
  • High-grade rubber, polyurethane, or reinforced construction.
  • Improves handling, comfort, and vibration isolation.
  • Direct-fit compatibility for easy installation and perfect alignment.
  • Ideal for rebuilds, performance upgrades, or preventive maintenance.
  • Restores driving dynamics and comfort in classic and modern Porsches.


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How to Identify and Replace Worn Engine Top Mounts

In this informative session, Lawrence Todd from Design 911 explains all the essential details about engine mounts—what they do, how to recognise signs of deterioration, and when it's time for a replacement. Discover the various types of engine mounts available for Porsche models and how upgrading can improve your vehicle’s performance.
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