Hyundai Mobis: Why Module and Aftermarket Parts Profits Need Separate Analysis
Separate Hyundai Mobis’ modules and core parts from its aftermarket business to assess revenue and profit contributions. Learn to distinguish electrification investment costs, new customer orders, R&D spending, and consolidated profit.
Hyundai Mobis’ modules and core parts and its aftermarket parts business generate demand in different ways, so their profitability should be analyzed separately. Applying the same growth rate to volumes tied to new vehicle production and repair demand from vehicles already on the road blurs the analysis. Also check the time lag between winning more technology-related orders and generating actual mass-production revenue and cash.
Vehicle production and the installed vehicle base are different variables
Modules and core parts depend on customers’ new vehicle production schedules, model mix, and component value per vehicle. Aftermarket parts, by contrast, depend on the accumulated vehicle fleet, vehicle age, replacement and repair demand, and distribution operations. Hyundai Mobis’ official website also presents module manufacturing separately from aftermarket parts. Do not assume that all parts revenue falls at the same rate simply because new vehicle sales slow. Separating revenue and disclosed operating profit by business reveals the earnings base hidden behind the overall growth rate.
Connect electrification revenue with the timing of investment recovery
Mass production of new technologies can involve research and development, facilities, personnel, and initial quality stabilization costs. More important than revenue growth itself is how much of the existing fixed-cost base the new revenue absorbs. Announced order values may represent expected supply over several years, so check firm orders and the company’s definition of order intake. Winning a new customer begins customer diversification, but the contribution to that quarter’s profit may be small unless production starts, actual output follows, and costs stabilize.
Distinguish net income from parts operating performance
When assessing the parts business, separate changes in operating profit from nonoperating items such as equity-method gains and losses. Depending on the consolidation scope and investment asset structure, net income may change without an improvement in parts sales. After the IR announcement, compare the accounting treatment of R&D costs, contract-related assets and liabilities, and inventory in periodic reports. Even in periods of confirmed high aftermarket profitability, examine changes caused by exchange rates and logistics costs. Comparing only average margins across different businesses can obscure improvement in a business receiving new investment. Customer diversification is better assessed through actual growth in revenue from customers outside the existing base than through the number of new order announcements. Customer definitions used for orders and revenue must also match.
Worked example
Hypothetical example: Assume modules and parts generate KRW 8 trillion in revenue at a 2% margin and aftermarket parts generate KRW 2 trillion at a 20% margin. Their operating profits are KRW 0.16 trillion and KRW 0.4 trillion, respectively. Aftermarket parts represent 20% of revenue but about 71.4% of combined profit of KRW 0.56 trillion. If only module revenue grows from this point, the companywide average margin could fall. This calculation illustrates the structure of profit contributions and does not use actual company figures.
What to check
- Have you separated profit contributions from modules and parts and from aftermarket parts?
- Have you checked the period covered by order values and the start of mass production?
- Have you avoided confusing equity-method gains and losses with parts operating profit?
Sources and primary materials
This is educational material about research methods. For an actual company decision, verify the filings and primary sources for the relevant period.