Denso sees profits hit by memory costs, seeks price pass-through

The AI compute arms race is imposing a structural tax on automotive electronics supply chains. With HBM and server DRAM margins exceeding 60% versus 20-30% for automotive-grade memory, the three major fabs have irreversibly tilted capacity allocation. This is not a cyclical blip—it is a permanent reallocation of industrial resources. Denso's long-term-contract-plus-cost-pass-through playbook exposes the structural weakness of Tier 1 suppliers. Within Toyota's ecosystem, cost transfer is partially viable, but industry-wide only 30-50% of incremental memory costs can be passed downstream. The remainder directly erodes gross margins. When memory's share in domain-controller BOMs crosses from 8% to 15%, the pricing model for automotive electronics is being fundamentally rewritten. Competitive dynamics will accelerate divergence: Bosch and Continental, with multi-client structures, face tighter bargaining room. Smaller Tier 1s will be squeezed out within 12 months. Design-side memory reduction—NOR replacing DRAM, software architecture optimization—will become the dominant engineering response. Core judgment: through 2026-2027, the price scissors gap between automotive and AI memory will lock at 3-5x. Denso's profit compression is not quarterly noise; it is the first domino in AI infrastructure's permanent siphoning of traditional manufacturing margins.