Rear Subframe Mount Kit. Porsche 955 / 957 / 958 Cayenne  ❭  95533113501

REAR Subframe Mount and Bolt Kit  - Restore REAR Chassis Stability and Suspension Integrity

This complete rear subframe mount and bolt kit is designed for Porsche 955, 957 and 958 Cayenne models.

The kit includes:
4 x Rear subframe mounts
4 x Subframe mounting bolts

Fits:

• Porsche 955 Cayenne 3.2L V6 2003-06
• Porsche 955 Cayenne S 4.5L V8 2003-06
• Porsche 955 Cayenne Turbo 4.5L 2003-06
• Porsche 955 Cayenne Turbo S 4.5L 2006>>
• Porsche 957 Cayenne 3.0L Diesel 2007-10
• Porsche 957 Cayenne 3.6L 2007-10
• Porsche 957 Cayenne S / GTS 4.8L 2007-10
• Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
• Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
• Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
• Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
• Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
• Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
• Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
• Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
• Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17

Engineered for precise fitment and durability, this kit provides a comprehensive solution for worn or degraded rear subframe mounting components.

What Rear Subframe Mounts Do

The rear subframe is a structural component that supports the rear suspension, differential and drivetrain assemblies. It is mounted to the vehicle chassis via rubber or bonded mounts that absorb vibration and maintain alignment.

Rear subframe mounts serve to:

• Secure the rear axle assembly to the chassis
• Isolate road vibration and drivetrain movement
• Maintain correct suspension geometry
• Support stable handling and braking
• Reduce cabin noise and harshness

The mounting bolts clamp the subframe securely in place and are critical to maintaining correct torque and structural integrity.

Why Rear Subframe Mounts Fail

Over time, rear subframe mounts are exposed to:

• Constant load from vehicle weight
• Suspension movement and dynamic cornering forces
• Drivetrain torque transfer
• Heat cycles and road contamination
• Age-related rubber degradation

On heavier performance SUVs such as the Porsche Cayenne, subframe mounts can deteriorate due to vehicle mass and high torque output, especially on Cayenne S and Turbo models.

Common signs of failing rear subframe mounts include:

• Clunking or knocking from the rear
• Rear-end instability during acceleration or braking
• Excessive drivetrain movement
• Uneven tyre wear
• Vibration felt through the cabin
• Rear suspension alignment issues

Mounting bolts can also stretch or corrode over time, particularly if removed and reused. For safety-critical components, replacing bolts during service is strongly recommended.

Why You May Need a Complete Rear Subframe Mount Kit

Replacing all four rear subframe mounts at the same time ensures balanced support across the entire rear axle assembly. Installing new mounting bolts guarantees correct clamping force and secure installation.

This kit is ideal for:

• High mileage Porsche Cayenne models
• Vehicles with rear suspension knocking noises
• Rear subframe removal during suspension or differential work
• Chassis restoration projects 
• Preventative maintenance on older 955 / 957 / 958 models

A complete rear subframe mount replacement restores chassis stability, improves handling precision and enhances overall driving comfort.

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