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Porsche > 993 (911) (1994-1998) > 993 (911) C4S 1994-97 > Suspension & Axle > Side section / Sub frame >

Rear Subframe Bushing Set. Porsche 993  ❭  99333105100

Rear Subframe Bushing Set. Porsche 993 - 99333105100, 99333105200, 99333105280, 99333105180 - PR52011P
3
Related to Side section / Sub frame for 993 (911) C4S 1994-97
Special Offer
99333105100/3
Product Information
Product Information
Rear Subframe Bushing (Complete Set).
Restore the precision and stability of your Porsche 993 with this Rear Subframe Bushing Set. These bushings mount the rear subframe to the chassis, isolating road vibrations while maintaining accurate suspension alignment and geometry.
Sold As A Set Of 4.
x2 Required Per Car.

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

Fits On To Diagram Ref No 2

What This Product Does:

  • Isolate Vibration & Noise - They provide a cushioning interface between the rigid subframe and the softer body shell, helping absorb road vibrations, shock, and noise.
  • Locate the Subframe Precisely - The bushings restrict movement of the subframe in certain directions, maintaining alignment and preventing unwanted shifts under load (acceleration, braking, cornering).
  • Allow Controlled Flexibility - While they restrain gross motion, they permit some small movement / compliance to avoid excessive stress on the chassis or suspension components, especially as the car moves over bumps or under torque loads.
  • Support Rear-End Stability & Handling - Because the subframe holds rear suspension geometry (arms, links, differential, etc.), worn or soft bushings allow variation in alignment under load, reducing precision and stability.

Symptoms & Signs Of Worn Or Failing Bushings:
  • Clunks, knocks, or bangs from the rear over bumps, especially during acceleration or deceleration.
  • Loose or imprecise handling / rear-end movement under cornering or sudden load change.
  • Rear stability issues such as traction irregularities or feeling the car “wander” or “step out” when pushing hard.
  • Poor alignment retention — alignment specs (camber, toe) may shift after driving or under load, requiring frequent re-adjustment.
  • Vibration or harshness through the chassis, especially at the rear, more transmitted through the body.
  • Visible deterioration like cracks, splits or deformation in the rubber, excessive flex / play when the car is raised, or separation between inner and outer portions of the bushing.

Why Replacement Matters:
  • Restores rear-end precision — new bushings ensure the subframe is held firmly and accurately, improving handling and chassis response.
  • Better alignment stability — new bushings keep suspension settings stable, reducing need for frequent alignment checks or changes.



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

99333105100
99333105100
99333105200
99333105280
99333105180

The product you are viewing cross references to these numbers
Related products
HD Rear subframe bushing (complete set). Porsche 993 (all) - 99333105100, 99333105200, 99333105280, 99333105180 - PR52012P, S52012P, S-52012P
2
HD Rear subframe bushing (complete set). Porsche 993 (all)
Special Offer
99333105100/1
Product Information
Product Information
HD Rear subframe bushing. Racing version
Complete set (4 pcs). 2 sets needed for one car.

Fits:
Porsche 993 1995-98 all models

Increase rear end stability and extend the life of your alignment with High Density subframe mounts. Factory units can cause rear ends to become more 'twitchy' and nervous, especially under high suspension loads, especially as they begin to fail. These bushings are not only responsible for holding the entire rear subframe to the shell, but for locating it in relation to the body and other suspension components. This means that even if they have not totally fallen apart the stock, soft mounts can often allow the entire rear suspension to shift and realign itself and as a result your entire car. Made from heavy duty high durometer rubber which features a 25% increase in stiffness over OE units, our High Density bushing kit includes the aluminum inner core and outer casement making them a plug and play solution for your 993. Enjoy a more planted rear end and stop living at the alignment shop with this full rear subframe kit.

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

99333105100
99333105100
99333105200
99333105280
99333105180

The product you are viewing cross references to these numbers
Rear Suspension Side Section. Porsche 993 - 99333105100, 99333105200
4
Rear Suspension Side Section. Porsche 993
Special Order item
99333105
Product Information
Product Information
Rear Suspension Side Section.
porsche

Fits:
Porsche 993 1995-98

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

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

99333105
99333105100
99333105200

The product you are viewing cross references to these numbers
Rennline Solid Rear Subframe Kit. Porsche 993 - 99333105100, 99333105200, 99333105280, 99333105180 - SB58.76, SB5876
3
Rennline Solid Rear Subframe Kit. Porsche 993
Special Offer
SB5876
Product Information
Product Information
Solid Rear Subframe Bushing Kit.
rennline

Fits:
Porsche 993

Factory rubber suspension mounts have a lot of flexibility and cannot withstand the extreme loads applied to them during performance driving conditions. When these mounts flex, all of the suspension geometry changes making the car unstable and unpredictable. A very popular suspension upgrade is to replace these bushings with solid mounts like the ones found on the factory race cars. These kits are machined out of billet aluminium and come with the required hardware to install.


Note: Pictures may not show actual product.

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

SB5876
99333105100
99333105200
99333105280
99333105180

The product you are viewing cross references to these numbers