Please wait… 
Please wait while we process your order,
do not press the back button… 
Design911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png +443456003478 https://www.design911.co.uk Facebook Instagram

Engine Mounts

Refine by Car Type
Filter by brand
DISPLAYING 5 to 8 (of 39 products)
1 2 3 4 >>
91137504300/2
Product Information
Product Information

Engine /Gearbox Mount kit with extra long bolts - Heavy Duty Upgrade your mounts to Heavy Duty, thicker and more resistant option.

Please use longer bolts  90008214201L

oematch

Fits:
Porsche 911 1965-69 Engine Mount
Porsche 911 1970-86 Engine & 915 Gearbox Mount
Porsche 911 1986-89 Engine Mount
Porsche 930 1975-77 Engine Mount
Porsche 930 1978-89 Engine Mount

(not Club Sport, not Cabrio)



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Related, superseded, cross reference or alternative numbers for comparison.

91137504300
91137504300
61611504301

The product you are viewing cross references to these numbers
Special Order item
91137504306
Product Information
Product Information
Engine / gearbox mount. 
Sold each

porsche

Fits:
Porsche 911 1978-89 CABRIO

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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Related, superseded, cross reference or alternative numbers for comparison.

91137504306
91137504307
91137504306
91137504300

The product you are viewing cross references to these numbers
91137504306/1
Product Information
Product Information
Engine / Gearbox Mounts - Sport Version Stiffer Than Standard.
The OE Match Engine / Gearbox Mounts – Sport Version are high-performance replacement mounts designed to provide increased drivetrain stability compared to standard factory mounts. Manufactured to OE specifications with a firmer rubber compound, these sport mounts offer enhanced control of engine and gearbox movement while maintaining excellent durability and fitment.
Sold Each. 
x2 Required Per Car.

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
  • Porsche 911 1975-1977 3.0L Turbo (930)
  • Porsche 911 1978-1989 3.3L Turbo (930)  

Diagram Ref No 8

Designed for performance-focused road and track applications, these mounts help minimise drivetrain flex during acceleration, braking and cornering. The increased stiffness improves vehicle response, gear shift precision and overall driving feel while retaining the reliability expected from OE-style components.  

What This Product Does:
  • Supports and secures the engine and gearbox assembly.
  • Reduces excessive drivetrain movement under load.
  • Provides greater drivetrain stability than standard mounts.
  • Improves gear shift precision and drivetrain response.
  • Helps maintain correct engine and transmission alignment.
  • Reduces unwanted movement during acceleration, braking and cornering.
  • Enhances vehicle handling characteristics and driver feedback.

Symptoms Of Wear Or Failure:
  • Excessive engine or transmission movement.
  • Clunking or knocking noises during gear changes.
  • Increased drivetrain vibration.
  • Harsh engagement when accelerating or decelerating.
  • Misaligned or imprecise gear shifting.
  • Sagging engine or gearbox position.
  • Visible cracking, splitting or collapse of the rubber mount.
  • Increased stress on exhaust, driveline and transmission components.

Why Replacement Matters:

  • Engine and gearbox mounts are subjected to constant vibration, drivetrain torque, heat and road shock. Over time, the rubber can harden, crack, compress or separate from the mount structure, reducing its ability to support the drivetrain effectively.
  • Worn mounts allow excessive engine and gearbox movement, which can negatively affect gear selection, handling characteristics and overall driving refinement. Excessive drivetrain movement may also place additional strain on exhaust systems, drive shafts, couplings and surrounding components.



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

91137504306
91137504307
91137504306
91137504300

The product you are viewing cross references to these numbers
3609309111
Product Information
Product Information
Engine / gearbox mounts  (SET OF 2)  HD 85A shore rating sport bushes

rohler

New sport version with shifter rubber mounts, great for track days and high speed driving. Fits engine mounts OR transmission mounts ,shifting for more smoother and exact shifting.

You will need 2 for the engine 3.0L or 3.2L
You will need 2 for the 915 transmission (Note: This mount is not compatible with the later G50 gearbox)

Fits:
Porsche 911 1976-86
Porsche 911 Cabrio 1978-86

Click picture for large parts diagram.
Diagram Ref No 8.

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

3609309111
91137504307
91137504306
91137504300

The product you are viewing cross references to these numbers
DISPLAYING 5 to 8 (of 39 products)
1 2 3 4 >>
Also found on these pages
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.

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.
You may also like
Popular Models