Future Market Insights (FMI) finds that the Electric Power Steering Rack Replacement Parts Market stood at USD 4.3 billion in 2025 and is expected to reach USD 4.5 billion in 2026. Demand is forecast to reach USD 7.8 billion by 2036, expanding at a 5.7% CAGR from 2026 to 2036.

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Why are EPS rack replacements gaining commercial importance?

For repair networks, electric power steering rack replacement is becoming a more structured parts decision as steering systems combine mechanical components, electric motors, sensors, and electronic controls. A steering rack replacement increasingly requires more than matching physical mounting points. Workshops may also need to confirm connector configuration, software requirements, torque-sensor compatibility, and post-installation calibration.

The growth of the installed EPS vehicle base is expanding the pool of vehicles entering replacement cycles. As passenger cars age, wear affecting rack gears, electric motors, sensors, and internal mechanisms can create steering faults that require replacement rather than minor adjustment.

This creates a stronger role for aftermarket suppliers with broad vehicle coverage and reliable fitment information. A replacement rack that matches the vehicle's mounting arrangement but lacks compatible electronics can create installation delays, additional diagnostic work, or returns. Suppliers that combine mechanical accuracy with electronic compatibility can therefore improve their position within repair channels.

Repair economics are also supporting replacement demand. Complete rack assemblies allow workshops to replace multiple worn or failed components through one service operation. For vehicles outside warranty coverage, this can provide an alternative to replacing larger steering-system components or sourcing multiple individual parts.

Which product and vehicle segments are shaping demand?

Passenger cars are projected to remain the leading vehicle category, accounting for 66.0% of market demand in 2026. The large installed base of passenger vehicles equipped with electric power steering creates a substantial replacement pool as vehicles accumulate mileage and enter independent repair channels.

Complete rack assemblies are expected to lead the product segment with a 57.0% share in 2026. These assemblies provide repairers with a consolidated replacement solution when faults involve the steering rack, motor, sensors, or associated internal mechanisms.

Rack assist is anticipated to represent 52.0% of steering-type demand in 2026. The segment reflects continued use of electric assistance integrated directly into rack-based steering architectures.

Independent aftermarket demand is forecast to account for 48.0% of sales in 2026. Independent repair networks benefit from expanding catalog availability as more EPS-equipped vehicles transition from manufacturer warranty coverage into routine maintenance and repair.

The market also includes rack motors, torque sensors, pinion units, and mounting hardware. New and remanufactured components create different purchasing options depending on vehicle age, repair economics, availability, and workshop capability.

What does the analyst see as the key commercial issue?

"Electric power steering rack replacement is becoming a parts availability decision for repair networks. Workshops need rack assemblies matched to vehicle software and mounting needs. Suppliers with broad coverage and clear fitment data will get share as older EPS-equipped vehicles move into independent repair."