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Front Monoball Shock Absorber Top Mount & Contact Bearing Kit. Porsche 996 C4 / Turbo - 360250996F4
360250996F4/1KIT
Vehicle Group
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
Information
Rohler Front Monoball Shock Absorber Top Mount & OE MATCH Contact Bearing Kit.
Upgrade your front suspension with this comprehensive top-mount kit, designed for front shock/strut towers on Porsche 911 (996 C4 / C4S / Turbo)
The kit includes the Rohler monoball top mounts (left & right) with offset mounting holes for improved camber control, precision-machined 6061 aluminium construction, stainless hardware and angular contact bearings.
Fits:
Diagram Ref No 8, 9, 10, 11, 12, 13
What This Product Does:
Symptoms & Signs You Need Replacement:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
360250996F4
The product you are viewing cross references to these numbers
Upgrade your front suspension with this comprehensive top-mount kit, designed for front shock/strut towers on Porsche 911 (996 C4 / C4S / Turbo)
The kit includes the Rohler monoball top mounts (left & right) with offset mounting holes for improved camber control, precision-machined 6061 aluminium construction, stainless hardware and angular contact bearings.
Fits:
- Porsche 996 C4 3.4L 1999-08/01
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
Diagram Ref No 8, 9, 10, 11, 12, 13
What This Product Does:
- The top mount (strut mount) sits between the top of the shock absorber/strut and the vehicle’s body/strut tower. It supports the loads from springs, damper, steering (via bearing), and absorbs vibration/road noise.
- A monoball mount version replaces the standard rubber mount with a spherical bearing (monoball) or very stiff mounting that provides more direct steering/suspension feedback, reduces deflection under load, and keeps suspension geometry (camber, caster) more consistent during hard cornering.
Symptoms & Signs You Need Replacement:
- Clunking or knocking noise from the top of the front strut tower when going over bumps or during steering inputs — a worn mount or bearing often causes this.
- Squeaking or creaking noise when steering the wheel, especially at low speeds — the strut mount bearing may be worn.
- Poor steering feedback or vague handling, especially when cornering hard — a worn mount can cause deflection and loss of camber control.
- Excessive vibration or noise through the body from the front suspension; worn mount rubber or bearing can transmit more noise.
- During a shock/strut replacement or front suspension overhaul — since the top mount assembly must be removed anyway, replacing the modern monoball upgrade kit is logical to restore or upgrade suspension quality.
- Steering geometry issues — if you’ve had camber/caster issues, or your tyres are wearing unevenly at the front, a poor top mount may contribute.
- Suspension performance & tyre contact: On high-performance cars like a Porsche 911 C4/Turbo, the front suspension’s geometry and mounting rigidity matter a lot. If the top mount is deflecting, you lose optimal tyre contact patch under load, which reduces grip, increases tyre wear, and impairs handling.
- Durability & noise/vibration: Rubber top mounts tend to degrade over time (cracking, flattening, absorbing road noise). A good mount + bearing kit eliminates unwanted compliance and noise, and lengthens life of the strut/damper assembly.
- Precise handling and steering feel: The top mount bearing allows the strut to turn with steering; if worn, you get sloppy steering feel and delayed response. Upgrading to a monoball mount helps sharpen the steering and gives more direct feedback.
- Prevents repeat labour: Since access to the strut top requires removing mount or taking down the strut, doing a mount/bearing replacement while everything is open is cost-effective. It avoids having to redo labour later when noise or wear returns.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
360250996F4
99634301604
99634301504
99634350100
99634310703
99634352501
99634352300
99634352500
PAF103353
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
2 x Shock absorber angular-contact bearing. Porsche 996 / 997 (99634350100/1
4 x Shock absorber stop disk. Porsche 986 Boxster / 996 (99634310703/1
2 x Shock absorber support ring. Porsche 996 / 997 (99634352300/1
2 x Shock absorber hexagon nut. Porsche 996 / 997 / Boxster / Cayman (PAF103353
1 x Front monoball shock top mount - Set of 2 for Porsche 996 / 997 C4 (360250996F4
Price: €569.71
In stock
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