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Porsche // Cayenne 9PA1 (957) 2007-2010 // 957 Cayenne Turbo / Turbo S 4.8L 2007-10
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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Auxiliary Support Cross Tube for Cars with Spring Struts
Restore the front suspension structure of your
classic Porsche with this OE Match Auxiliary Support Cross Tube. The cross tube forms part of the front
suspension assembly, providing a strong mounting structure that helps locate
and support suspension components while maintaining correct geometry.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Diagram ref no 1
What Does the Auxiliary Support Cross Tube Do?
The auxiliary support cross tube is mounted across the front underside of the vehicle and forms an important structural part of the suspension system.
Its functions include:
- Supporting front suspension components
- Providing secure suspension mounting points
- Helping maintain correct suspension geometry
- Maintaining structural rigidity across the front suspension
- Supporting accurate steering and suspension operation
Because suspension loads are transferred through this area, the condition and alignment of the cross tube are important for correct handling.
Why Do Auxiliary Support Cross Tubes Fail?
Unlike a normal service component, the cross tube does not have a scheduled replacement interval. Damage is generally caused by age, corrosion, accident damage or previous repairs.
Common problems include:
- Corrosion and rust
- Damage around mounting points
- Distortion caused by accident impact
- Cracks or metal fatigue
- Damage from incorrect jacking or lifting
- Worn or enlarged mounting holes
- Previous poor-quality repairs
- General deterioration on older vehicles
Corrosion is particularly important on early Porsche 911 models, where decades of exposure to moisture and road contamination can weaken suspension mounting areas.
When Should the Cross Tube Be Replaced?
Replacement should be considered if:
- Significant corrosion is present
- Suspension mounting points are damaged
- The cross tube is bent or distorted
- Cracks or structural damage are found
- Suspension geometry cannot be correctly adjusted
- Accident damage has affected the front suspension
- Previous repairs have compromised its strength
- The component is unsuitable for reuse during restoration
Any suspected structural damage should be carefully inspected before the vehicle is returned to the road.
Important Front Suspension Checks
When replacing the auxiliary support cross tube, the surrounding suspension and mounting areas should also be inspected.
Check the spring struts, suspension arms, bushes, ball joints, steering components, mounting hardware and body attachment points for wear, corrosion or damage.
A wheel alignment should be carried out where necessary after suspension components have been replaced or disturbed.
Porsche 911 1969-71 Front Suspension Cross Tubes
Early Porsche 911 suspension components are now several decades old, making corrosion, previous accident damage and general deterioration increasingly common.
The auxiliary support cross tube is an important part of the front suspension structure. Damage or corrosion can affect suspension mounting, alignment and overall front suspension integrity.
During restoration of a 1969, 1970 or 1971 Porsche 911, the cross tube and surrounding suspension mounting areas should be carefully inspected, particularly where corrosion or previous repairs are visible.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90134101304
The product you are viewing cross references to these numbers
- 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 3.6L 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 Turbo V8 4.8L Petrol (500Hp) 2010-17
This original Porsche bonded rubber suspension bush fits into the front lower control arm / wishbone assembly, helping locate the arm correctly while absorbing road vibration and suspension movement.
Sold individually, 2 required per vehicle
Fits:
Porsche 955 Cayenne 2003 - 2006
Porsche 957 Cayenne 2007 - 2010
Porsche 958 Cayenne 2011 - 2014
* not GTS and Turbo S version
* PR:E0A - No campaign version, basic equipment
* PR:E81 - Enhanced performance engine
Diagram ref No 17
This bush is used in the front lower control arm / wishbone assembly on selected Porsche Cayenne models.
What This Part Does / Functions
• Locates the front lower control arm correctly
• Allows controlled suspension movement
• Absorbs road shock and vibration
• Helps maintain front suspension geometry
• Supports steering stability and ride comfort
• Helps reduce knocking, looseness and harshness from the front suspension
• Provides correct OE Porsche fitment and rubber compliance
• Replaces a worn, split, perished or loose original bush.
Why Replace This Part?
Front lower arm bushes are exposed to road load, braking force, steering movement, suspension travel, heat, dirt and age-related rubber deterioration. Over time, the rubber can crack, split, soften or separate from the bonded sleeve. A worn bush can cause suspension play, knocking noises, vague steering, uneven tyre wear and poor alignment stability.
Replacing the bush with a Genuine Porsche OE front lower arm bush helps restore correct suspension control, factory ride quality and stable handling.
Common Symptoms of a Worn Front Lower Arm Bush
• Knocking or clunking from the front suspension
• Vibration or harshness through the chassis
• Wandering or vague steering feel
• Uneven front tyre wear
• Poor wheel alignment stability
• Excessive movement in the lower control arm
• Front suspension noise over bumps
• Failed MOT / roadworthiness inspection due to bush wear.
When to Replace This Part
• If the original bush is cracked, split, perished or separated
• If there is excessive play in the front lower control arm
• During front suspension overhaul or wishbone repair
• If suspension knocking is traced to the lower arm bush
• If wheel alignment cannot be held correctly
• After kerb, pothole or impact damage
• When replacing related front suspension arms or hardware
• When restoring the suspension with correct Genuine Porsche OE parts.
Where It Fits on the Car
This bush fits in the front lower control arm / wishbone assembly. It is used at the inner/lower mounting position of the front suspension arm, helping connect the control arm to the chassis / subframe mounting point.
Professional installation is recommended, as the old bush normally needs to be pressed out and the new bush pressed in correctly. A wheel alignment should be checked after suspension work.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95534158810
The product you are viewing cross references to these numbers
- 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 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Fits:
Porsche 955 Cayenne MKI 2003-06
Porsche 957 Cayenne MKII 2007>>
Click 'Zoom in' for large parts diagram.
Diagram ref No 18.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95534124204
The product you are viewing cross references to these numbers
- 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 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Fits:
Porsche 955 Cayenne MKI 2003-06
Porsche 957 Cayenne MKII 2007>>
Click 'Zoom in' for large parts diagram.
Diagram ref No 19.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95534324301
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Fits:
Porsche 957 Cayenne GTS >>2008 (I1LM/IE0W)
Porsche 957 Cayenne TURBO >>2008 (I1LH/IE81)
I1LM - Front disc brake, Cars with disc diameter 18", brake caliper painted red
IE0W - Cayenne GTS special model
I1LH - Rear disc brake, Cars with disc diameter 19", brake caliper painted red
IE81 - Enhanced performance engine
Click 'Zoom in' for large parts diagram.
Diagram ref no 5.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95534101
The product you are viewing cross references to these numbers