54611-c8100； 54611-1w000； 54611-2k000； 54611-1X000； 54611-h8000
Hyundai
54611-C8100
Hyundai
2023, 2022, 2021, 2020, 2019, 2018, 2017
Chassis System
Steering Gear / Rack and Pinion
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Product Description
The 54611-C8100 is a rack and pinion steering gear assembly designed for specific Hyundai passenger vehicles. Certified to IATF16949 automotive safety standards, this component is assembled to Mobis/Hyundai-Kia steering system OEM specifications. It is suited for commercial procurement clients including auto parts distributors, independent repair shops, and fleet management operators. Each unit completes standardized testing procedures before shipment to support consistent performance across bulk orders.
Parameter Category | Details |
OE Number | 54611-C8100 |
Official OEM Name | GEAR ASSY-STEERING / STEERING RACK AND PINION ASSEMBLY |
Interchange OEM Numbers | 54611-C8100, 54611C8100, RACK-C8100 |
Applicable Vehicles | Hyundai Elantra AD/PD, i30 PD/GD (Third Gen) (2017-2023) |
Steering System Type | Rack and Pinion — Electric Power Assisted (EPS / MDPS) |
Mount Position | Crossmember/subframe mounted underneath vehicle (steering gear location varies by FWD/RWD layout) |
Input Connection | Universal joint coupler from steering column intermediate shaft (lower shaft) |
Output Connection | Two tie rod ends (inner) thread into rack piston left/right sides |
Turns Lock-to-Lock | Approximately 2.5-3.5 turns (varies by rack gearing ratio and vehicle) |
Overall Rack Length | Approx 700-900 mm (varies by vehicle track width and packaging) |
Rack Housing Diameter | Approx 40-50 mm |
Pinion Shaft | Splined input shaft (matched to U-joint yoke spline count) |
Net Weight | Approx 6.5-11.0 kg (14.3-24.3 lbs) depending on hydraulic/electric assist type |
Package Size | 950 x 150 x 200 mm with protective caps on tie rod threads and input spline |
Rack Bar Material | Induction-hardened carbon steel rack bar (precision-cut machine teeth along full length) |
Rack Housing Material | Aluminum alloy die-casting (lightweight) or steel tube construction (hydraulic models) |
Pinion Shaft Material | Case-hardened alloy steel supported by sealed ball bearings or needle bearings |
Power Assist Structure | Integrated cylinder bore with hard-chromed piston surface (HPS models) or electric motor + ball-nut drive mechanism (EPS models) |
Seal Material | Nitrile and fluorine rubber O-rings and lip seals throughout (critical for power assist integrity) |
Tie Rod Threads | Rolled threads on rack bar ends (left-hand and right-hand thread pair) |
Production Standard | Assembled to Mobis/Hyundai-Kia steering system OEM specification; compliant with IATF16949 automotive safety-critical steering component certification |
Quality Assurance | 100% rack tooth lead error inspection and hydraulic pressure decay test before shipment |
Alternative Aftermarket Part Numbers | RACK-ELECTRIC, SG-54611-C8, STEER-8100 |
The meshing interface between helical-cut pinion gear teeth and linear rack bar teeth is manufactured to DIN or JIS gear quality standards, with an accuracy class of Q7-Q9. The controlled tooth profile geometry supports consistent steering ratio, minimal backlash, and smooth operation across the full lock-to-lock steering input range. Deviations from these specifications may result in vague steering feel, off-center steering wheel position sensitivity, or unstable handling at highway speeds.
For EPS configurations, an electric motor coupled through a ball-nut drive mechanism applies assist torque directly to the rack bar. This design eliminates parasitic pump drag associated with hydraulic systems, supports variable assist tuning (higher assist at parking speeds, lower assist at highway speeds), and is compatible with advanced driver-assistance features including lane-keep assist and autonomous parking steer functions.
Multiple sealing components protect internal assembly parts: a rotary shaft seal at the pinion input blocks dirt ingress and prevents fluid egress, rack bar bushing seals maintain lubrication and exclude contamination, and tie rod thread protection caps prevent shipping damage and corrosion prior to installation. Individual seal degradation can lead to progressive system performance decline over time.
Replacement of the steering gear assembly addresses common steering system issues, including excessive steering wheel free play from worn rack teeth or loose rack bushings, steering assist failure from EPS motor or controller faults, off-center steering wheel position from bent rack bars, and steering stiffness from damaged pinion bearings or contaminated gear teeth. Professional wheel alignment is mandatory after replacement. Technicians should verify EPS system fault codes following installation.
This steering gear assembly fits the Hyundai Elantra (Avante) compact sedan, covering model years 2017 through 2023. The component belongs to the chassis system category, with a part type classification of steering gear / rack and pinion. Buyers may cross-reference the OEM part number with their vehicle VIN through authorized dealers to confirm fitment for specific configurations.
This is an aftermarket replacement part manufactured to meet or exceed OEM specifications for fit, form, and function. It is available at a more competitive price point compared to genuine OEM parts.
Compatible vehicles are listed in the application section. For vehicles not listed, buyers may contact customer support with their VIN number for fitment verification.
Standard automotive hand tools are sufficient for most installation procedures. A torque wrench is recommended to ensure all fasteners are tightened to factory specifications. Buyers may refer to the professional service manual for their vehicle model for detailed instructions.
Warranty coverage follows the official warranty policy, and applies to manufacturing defects under normal use conditions. Improper installation, racing use, or product modifications void the warranty.
Replacement of related wear items (including seals, gaskets, and tie rod ends) during installation is recommended to support optimal performance and balanced operation, and to avoid repeated labor costs for commercial service operations.
For commercial procurement and bulk orders, this product supports a minimum order quantity of 500-1000 units. Packaging options include genuine Mobis standard packaging, neutral aftermarket packaging, and branded packaging to accommodate different operational requirements for distributors and repair service networks.
