Steering Racks
- Porsche 9YA Cayenne V6 3.0L Petrol 340Hp 2018-23
- Porsche 9YA Cayenne Coupe V6 3.0L Petrol 340Hp 2019-23
- Porsche 9YA Cayenne E-Hybrid V6 3.0L V6 340Hp 2018-23
- Porsche 9YA Cayenne Coupe E-Hybrid V6 3.0L 340Hp 2020-23
- Porsche 9YA Cayenne S V6 2.9L Petrol 440Hp 2018-23
- Porsche 9YA Cayenne Coupe S V6 2.9L Petrol 440Hp 2019-23
- Porsche 9YA Cayenne GTS V8 4.0L Petrol 460Hp 2020-23
- Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol 460Hp 2021-23
- Porsche 9YA Cayenne Turbo V8 4.0L Petrol 550Hp 2020-23
- Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol 550Hp 2019-23
- Porsche 9YA Cayenne Turbo S E-Hybrid V8 4.0L 550Hp 2019-23
- Porsche 9YA Cayenne Coupe Turbo S E-Hybrid V8 4.0L 550Hp 2020-23
- Porsche 9YA Cayenne Coupe Turbo GT V8 4.0L 640Hp 2021-23
This rear axle steering rack ensuring a direct-fit replacement and full restoration of rear steering functionality. Replacing a worn or malfunctioning rack restores precise control, balanced steering response, and optimal performance in every driving condition.
Fits:
LHD (Left Hand drive) cars
Porsche 9YA Cayenne 2018 - 2024
* for vehicles without rear axle steering (option code: 0N1)
Diagram ref no 1
• OE ref part numbers: PAB423055, PAB423055C, PAB423055F, PAB423055G
• Location: Rear axle, steering gear linkage and rack assembly
Why & When Replacement Matters:
• The rear-axle steering rack is subjected to dynamic loads, hydraulic pressure and mechanical wear.
• If worn or malfunctioning, you may experience poor rear wheel alignment, steering instability, or fault codes for rear-steering systems.
• During any rear suspension/steering overhaul, or when upgrading or restoring rear-steering equipped Cayennes, replacing with a fresh unit restores original mechanical precision and safety.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAB423055G
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Porsche Steering Racks | Design911 Precision Steering Assemblies for Control & Performance
The steering rack is the heart of your Porsche’s steering system — translating driver input from the steering wheel into precise directional movement of the wheels. It’s a critical component that ensures responsive handling, stability, and control under all driving conditions. Whether your Porsche uses a hydraulic, manual, or electric power steering setup, maintaining a smooth and accurate rack assembly is essential for both performance and safety.
At Design911, we supply a complete range of steering racks, including hydraulic, electric, and manual systems for both classic and modern models. Each unit is built to high engineering standards, providing exceptional steering feel, precision, and reliability. Perfect for routine servicing, performance restoration, or full rebuilds, our racks ensure your Porsche handles exactly as it was designed to — sharp, smooth, and predictable.
What Do Steering Racks Do?
The steering rack converts the rotational motion of the steering wheel into linear movement, controlling the vehicle’s front wheels for directional accuracy.
Core Functions:
• Transfer steering input into smooth, precise wheel movement.
• Work in conjunction with the power steering system for ease of control.
• Maintain correct wheel alignment and tracking.
• Provide balanced feedback and road feel.
• Ensure stability and steering accuracy at all speeds.
A properly functioning steering rack delivers confidence-inspiring handling — from high-speed motorway cruising to tight cornering on track.
Why Do Steering Racks Fail or Degrade?
Steering racks experience constant pressure, movement, and exposure to heat and contaminants, leading to gradual wear over time.
Common Causes of Failure Include:
• Seal wear leading to hydraulic fluid leaks.
• Corrosion or pitting on internal rack surfaces.
• Play or looseness in steering due to worn bushings or joints.
• Power steering fluid contamination causing internal damage.
• Age-related degradation in gaskets or mounts.
When steering racks begin to fail, symptoms include excessive play, vibration, fluid leaks, uneven steering effort, or knocking noises — all signs that replacement or refurbishment is required.
Why Replace or Upgrade Your Porsche Steering Rack?
Replacing or upgrading your steering rack restores handling precision, stability, and steering feedback. Modern or performance-oriented replacements offer improved durability and response for both road and motorsport use.
Key Benefits:
• Restores sharp, responsive steering performance.
• Eliminates fluid leaks and unwanted play.
• Improves road feel and vehicle stability.
• Available in manual, hydraulic, and electric configurations.
• Fits Porsche 911, 944, 968, Boxster, Cayman, Panamera, and Cayenne models.
• Ideal for restoration, maintenance, or track preparation.
Design911’s Porsche steering racks are precision-engineered to deliver the performance, feedback, and control Porsche owners expect — ensuring reliability on every journey.
Highlights
• Premium Porsche steering racks for all models.
• Precision-engineered for strength, alignment, and feedback.
• Available in hydraulic, manual, and electric variants.
• Restores precise steering control and feel.
• Constructed from corrosion-resistant, high-grade materials.
• Perfect for maintenance, upgrades, or restorations.