do not press the back button…
-
Engine Parts
-
- Engine Rebuild Parts Oil System Parts Fuel System Parts Gaskets & Sets Belts / Tensioners / Rollers Chains & Tensioners Engine Bearings / Shells Engine Valves / Guides / Springs Rocker Arms & Tappets Engine Bolts / Studs Engine Mounts Piston Rings Engine Cylinders / Liners / Pistons Connecting Rod Cylinder Head / Camshaft Carrier Camshafts Camshaft gears / sprockets and fixings Crankcase Parts Crankshaft & Parts Turbo Chargers / Intercoolers & Parts Air Intake & Injection Specialist Tools
-
Brakes
-
- Brakes Brake Pads & Disc Package Brake Disc Standard Brake Pads Standard SPORTS Brake Disc Brembo Standard brakes Brembo Racing brakes TEXTAR Brakes PAGID Racing Brakes Zimmermann Brakes SHW Performance Brakes EBC Brakes Replacement for Ceramic Disc Brake Pad Wear Sensors Brake Pad Anti-vibration shims Caliper Bolts / Disc Screws Pin Kit and Guide Plates Performance Brake Hoses Standard Brake Hoses Caliper and Brake Lines Brake Calipers Brake Caliper Upgrades Handbrake Shoes All Categories
-
-
Suspension & Steering
-
Transmission
-
- Gearbox / Transmission Gearbox Parts Driveshafts & Parts Gasket Sets / Gaskets / Seals / Lock Nuts Gearshift Control Parts Flywheel / Torque CV Joints Kits CV Boots and Kits Cardan Shaft / Prop Shaft Transmission Parts Gearbox / Differential Oil Gearbox Sump / Oil Pan Front Differential Rear Differential Transmission Cooling Transfer Box & parts
-
-
Cooling & Heating
-
- Heating / Air Conditioning Air con pipes Compressors Blower Motors & Fans Heater blowers Heater hoses & pipes Auxiliary coolant pump
-
-
Electrical & Lighting
-
Body & Exhaust
-
- Chassis / Bodywork Front Lid Damper Rear Lid Damper Bonnets / Locks & Latches Rear lid / Tailgate Bumpers Front Bumpers Rear Door Handles | Locks | Keys Door Panels | Hinges | Striker Plates Window Lifters | Motors Wings Front & Parts Wings Rear & Parts Mirrors & Parts Stone Chip Foils / Stickers Undertrays Chassis & Engine Rear Wiper Arms & Blades Wheel Arch Liners & Covers Roof - Cabrio / Targa / Coupe / Speedster Plastic Covers Sound Proofing Front screen Rear screen Rear side glass All Categories
-
-
Lubricants & Fluids
-
- Service Parts Oil Filters Air Filters Pollen/Particle Filters Belts All Types Spark Plugs Front Wiper Arms & Blades Rear Wiper Arms & Blades Gearbox Service Parts Engine Oil & Lubricants - Mobil Engine Oil & Lubricants - Total Engine Oil & Lubricants - Castrol Engine Oil & Lubricants - Motul Engine Oil & Lubricants - Millers Oils NanoDrive Engine Oil & Lubricants - Millers Oils Fuel Additives Garage PPE
-
-
All Parts
-
- Parts Accessories Chassis / Bodywork Brakes Clothing & Gifts Electrical & Relays Engine Cooling Engine Electrical Engine Rebuild Parts Engine Tuning Exhausts Exterior Styling / Spoilers Gearbox / Transmission Heating / Air Conditioning Hydraulics Interior & Accessories Incar / Multimedia Lighting Mats & Carpets Motorsport and Off-Road Pedal Cluster Rubber Seals Seats & Seat Belts All Categories
-
- Back to main website
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Power Steering Reservoir O-Ring & Clamp AD10. Porsche 996 GT3 CUP. ❭ 99923054440
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
This genuine Porsche O-Ring & Clamp AD10 kit is a small but essential hydraulic sealing component used in various Porsche steering-assist and hydraulic line applications. Designed to maintain a leak-free, high-pressure connection, this kit is commonly used in models such as the Porsche 996 GT3 Cup and other Porsche vehicles equipped with similar hydraulic fittings.
Sold Each.
x2 Required Per Car.
Fits:
- Porsche 996 GT3 CUP
What This Product Does:
- The kit seals and secures a hydraulic connection — likely a hose or pipe attached to the power steering system or a steering‐related hydraulic line.
- The O-ring ensures a fluid‐tight seal preventing leaks of hydraulic fluid (such as power‐steering fluid) at the connection point.
- The clamp (or similar securing element) ensures the hose or fitting is mechanically retained, preventing movement, loosening or vibration under pressure.
- Essentially, it helps maintain hydraulic pressure, fluid integrity, and the overall reliability of the steering‐assist / hydraulic system.
Symptoms Of Failure:
- Power-steering fluid leak at the steering rack, pump, or hoses — especially around fitting points.
- Loss of steering assist (i.e., heavier steering input) because fluid is leaking or system pressure is reduced.
- Whining or groaning from the power-steering pump (air ingress due to low fluid) or bubbling sounds while turning.
- Visible damage to the clamp or fitting: missing clamp, loose hose, degraded or cracked O-ring seal.
- Steering feel deteriorates or becomes inconsistent — for example, steering effort increases when cold or after the car sits.
- In race/track applications (e.g., 996 GT3 Cup) a sudden steering assist drop mid‐session could be catastrophic.
Why Replacement Matters:
- Safety: Steering is a critical control system. A leak or failure in the power‐steering line can compromise control, especially under high loads or in a high‐performance car.
- Performance & Reliability: In Porsche performance or racing vehicles, maintaining full hydraulic integrity is essential. This small part helps ensure the system works as designed.
- Prevention: A failed O-ring or loose clamp may lead to a minor leak initially, but over time it can cause larger failures – pump wear, fluid starvation, overheating, or loss of assist. Replacing proactively avoids bigger repairs.
- Fit & Spec: Using the correct genuine Porsche part ensures proper size, material, and clamp strength — critical in high‐performance/hydraulic environments.
- Cost-Effectiveness: The kit is a low‐cost part compared to full hydraulic system repairs or steering rack replacement.
- Track/High-Load Use: Especially in dedicated race or performance cars (996 GT3 Cup, track‐modified vehicles) minor leaks or fitting failures can lead to major issues mid‐session.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99923054440
The product you are viewing cross references to these numbers
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed