RHD Electric Power Steering Rack and Pinion for Audi A4 A5 S4 S5 2011-2017 OE# 8K2423055AC 8K0909144
RHD Electric Power Steering Rack and Pinion for Audi A4 A5 S4 S5 2011-2017 OE# 8K2423055AC 8K0909144
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This premium remanufactured electric power steering rack and pinion for Audi A4 and A5 (Right-Hand Drive / RHD) (B8 Platform facelift, 2011–2017) directly replaces OE# 8K2423055AC and all interchangeable part numbers listed below. Built strictly to original OEM specifications and 100% digital load bench-tested before shipment — restores factory electromechanical steering precision, active return response, and signature road feedback at a fraction of dealership cost. No core charge required.
Product Condition & Technical Specs
Remanufactured (Premium Rebuilt) — Permanently resolves common Audi B8 electromechanical steering failures including steering hesitation, sudden heavy stiffness, internal servo motor shorts, abnormal groaning noises, and the classic "Steering Defective! Do Not Drive" red/yellow dashboard warning lights. This electromechanical power steering rack assembly (EPS) is rebuilt using upgraded internal control bearings, high-pressure waterproof seals, and premium steering grease to completely eliminate internal water ingress vulnerabilities and torque sensor calibration drift.
OE Part Number Reference
👉 Please verify your original OEM number or provide your 17-digit VIN before clicking Add to Cart.
Primary OE Part No (RHD Mechanical Rack): 8K2423055AC (Current Main Production Part)
Direct Interchangeable OE Numbers (Right-Hand Drive):
8K2423055AA, 8K2423055AF, 8K2423055AJ, 8K2423055AS,
8K2423055BA, 8K2423055BD, 8K2423055BK, 8K2423055BM,
8K2423055BP, 8K2423055Q, 8K2423055V, 8K2423055X
Physical Label Stamped Number (On Electronic ECU Module Cover):
👉 8K0909144 (Common platform ID, interchangeable with 8K0909144D, 8K0909144G, 8K0909144J, 8K0909144L, 8K0909144M)
Vehicle Fitment Guide
• Driving Position: Right-Hand Drive (RHD) Only (Will NOT fit Left-Hand Drive / LHD cars)
• Market Scope: Global RHD Markets (UK, Australia, Japan, New Zealand, Hong Kong, Singapore, South Africa, etc.)
• Chassis Architecture: Fits Audi B8 Facelift Platforms (Mid-2011 to 2017) Avant, Saloon, and Coupe models equipped with standard speed-sensitive power steering (PR Code: 1N3 Only). Does NOT fit models with optional Dynamic Steering.
Compatible Models:
Audi A4 / S4 / RS4 Avant & Saloon (B8 Facelift Platform):
• Audi A4 2.0 TDI / 3.0 TDI Quattro RHD — 2011–2015
• Audi A4 1.8 TFSI / 2.0 TFSI Quattro RHD — 2011–2015
• Audi S4 Quattro / RS4 Avant (3.0 V6 Supercharged / 4.2L V8) RHD — 2012–2015
Audi A5 / S5 / RS5 Coupe & Sportback (B8 Facelift Platform):
• Audi A5 Sportback 2.0 TDI / 3.0 TDI RHD — 2011–2017
• Audi A5 Coupe & Cabriolet 1.8T / 2.0T / 3.0 TFSI RHD — 2011–2017
• Audi S5 / RS5 Quattro (3.0T V6 / 4.2L V8) RHD — 2012–2017
Core Product Features
🔧 ECU Coding & Programming Required After Installation: This electromechanical steering rack features a fully integrated electronic control unit (ECU). Installation requires factory online programming, Component Protection release, and steering angle sensor initialization after fitting. Ensure your technician has access to professional diagnostic tools like Audi ODIS (with online GeKo access), Autel Maxisys Ultra, or Ross-Tech VCDS before purchasing. Mechanical fitting is a direct bolt-on, but software flashing is the buyer's responsibility.
⚙️ Precision Mechanical Rebuild: Fitted with premium, high-strength internal guide bushings, heavy-duty internal bearings, and OEM-spec synthetic grease. The internal belt and rack-and-pinion clearings are pre-loaded to exact factory tolerances — completely eliminating steering play, steering wander, or loose center feel.
📊 100% Bench & Dyno Tested: Every single unit undergoes advanced electronic testing on specialized load benches, verifying EPS motor torque curves, sensor digital CAN-bus feedback loops, and internal electrical resistance parameters under simulated maximum vehicle weight. Hardware is 100% guaranteed sound.
🛡️ Save Up to 70% vs. Dealership Pricing — 24-Month Warranty Included. No core charge. No messy core returns or return deposits. Just a premium bolt-on replacement backed by our industry-leading warranty.
Frequently Asked Questions
Q: Is this electric power steering rack compatible with Left-Hand Drive (LHD) models?
A: No — this specific unit is engineered and manufactured exclusively for Right-Hand Drive (RHD) vehicles. It will not physically fit or function on LHD cars due to the steering gear casing shape, mount orientation, and input shaft pinion angle.
Q: My old module has label number 8K0909144. Will this 8K2 steering rack fit?
A: Yes, 100%. 8K0909144 is the universal electronic module software/hardware number used across both LHD and RHD B8 platforms. The physical rack casting itself must be RHD (8K2 series) to fit your vehicle right, which this unit is.
Q: Can an independent workshop install and code this right-hand drive B8 rack, or must I go to an Audi dealer?
A: Any independent specialist or workshop equipped with proper diagnostic programming gear (like ODIS with online access, or advanced Autel) can successfully flash, remove component protection, and calibrate the unit. An authorized franchise dealership is not mandatory.
Global Expedited Shipping
Ships via premier UPS, DHL, or FedEx expedited networks — fully tracked, signature required, and insured to your workshop door.
• UK, Australia, Japan, New Zealand, Singapore: 5–8 business days
• Other RHD Regions / Remote Areas: 8–15 business days
⚠️ International Buyers: Import duties, VAT, customs clearance charges, and taxes are not included in the item price and are the buyer's sole responsibility. Please verify with your local customs authority before ordering.
