Power Steering Segment Dominance in the Steering Column Module Market
The power steering sub-segment represents the dominant revenue contributor within the Steering Column Module Market, accounting for an estimated 68–72% of total market value as of 2023. This dominance is rooted in both regulatory compulsion and consumer preference, as power-assisted steering—particularly in its electric form—has become the de facto standard across passenger cars and light commercial vehicles in virtually every major automotive market worldwide.
Electric power steering (EPS) technology has largely displaced hydraulic power steering (HPS) in new vehicle platforms since approximately 2015, driven by its superior energy efficiency (EPS consumes energy only on demand, versus the continuous parasitic load of HPS pumps), its compatibility with steer-by-wire architectures, and its ability to integrate seamlessly with lane-keeping, parking assist, and autonomous driving algorithms. This transition has been particularly decisive in Europe and Japan, where fuel economy regulations impose strict penalties on parasitic drivetrain losses.
Within the power steering sub-segment, column-mounted EPS (C-EPS) systems dominate in passenger car applications due to their compact packaging and lower cost relative to rack-mounted (R-EPS) systems, while dual-pinion and rack-mounted configurations are preferred in larger vehicles requiring higher assist forces. The Steering Column Module Market benefits directly from C-EPS adoption, as the column assembly serves as the primary mechanical and electronic interface between the steering wheel and the assist motor.
Nexteer Automotive is the global leader in EPS systems, holding an estimated 30% share of the global EPS market and supplying column-integrated modules to major OEMs including General Motors, Ford, and Fiat Chrysler. Nexteer's dominance is reinforced by deep co-development relationships with OEM engineering teams and a vertically integrated manufacturing footprint spanning North America, Europe, and Asia. ZF TRW, now operating under the ZF Friedrichshafen umbrella, holds the second-largest position in power steering modules, leveraging its acquisition of TRW Automotive to combine steering hardware expertise with advanced ADAS sensing integration. Valeo competes across both the column module and the broader Power Steering System Market, differentiating through its investment in 48-volt and full-electric steer-by-wire prototypes that are expected to enter production vehicles in the 2025–2027 timeframe.
Denso Corporation and Jtekt Corporation (a Toyota group affiliate not listed among the top-10 competitors in this dataset but nonetheless significant) together control a substantial portion of the Japanese domestic market, benefiting from captive procurement relationships with Toyota, Honda, and Nissan. Merit Automotive Electronics Systems specializes in the electrical switching and controls integration layer of the steering column, supplying clock spring assemblies and multi-function lever modules that are bundled into completed steering column modules for European OEM programs.
The power steering segment's share is consolidating rather than growing proportionally, as the broader market expands to include higher-value steer-by-wire modules anticipated in premium electric vehicles. However, in absolute revenue terms, power steering modules will continue to outgrow manual steering assemblies by a wide margin, supported by the near-complete phase-out of manual steering from new passenger car platforms across China, North America, and Europe.
The segment is also experiencing upward average selling price pressure from the addition of torque overlay capabilities, redundant sensor channels required for SAE Level 3 autonomy compliance, and cybersecurity hardening of the module's embedded control units—all of which add bill-of-materials cost and margin accretion for technically differentiated suppliers.
.jpg){kind=small}
