An OEM buys 70–80% of a vehicle's value from the stages above it, which makes the most powerful player in this chain one of the least vertically integrated. Read it top to bottom, but note that the money does not sit in the middle: Bajaj Finance is worth more than twice Bajaj Auto, replacement is about 60% of domestic tyre volume against roughly 30% going to original fitment, and the entire listed dealership sector is smaller than a single mid-cap supplier. The other thing to watch is stage 4, where electrification is visible as two adjacent businesses moving in opposite directions — one making what an EV deletes, the other making what it needs. Tap any stage to open it, then any company for detail.
At the head of this chain
Highest return on capital and fastest sustained sales growth among the 92 listed companies in this chain above ₹1,000 Cr market cap and ₹500 Cr revenue. Sustained growth is the lower of the 3-year and 5-year sales CAGR, so a single strong year cannot win it — Kaynes Technology compounded 47.7% over three years and 53.9% over five. Same rule on every map. Snapshot 8 Sep 2026.
How the Indian automotive chain works
Nine stages from raw material to scrappage. The assembler is not where the money is.
- Margin pool
- Thinnest at OEM assembly and dealerships — mass-market vehicle assembly runs single-digit margins and the entire listed dealership sector is under ₹3,500 crore. Fattest at captive finance and the aftermarket: Bajaj Finance is worth more than twice Bajaj Auto, and replacement is about 60% of domestic tyre volume against roughly 30% going to original fitment.
- Bargaining power
- The OEM holds it over most suppliers — it buys 70–80% of vehicle value and can dual-source. But it loses that power wherever a component is scarce or qualified: semiconductors after 2021, rare-earth magnets after China's 2025 export licensing.
- Demand or supply led
- Demand-led and unusually policy-sensitive. GST 2.0 cutting small-car rates from the 29–31% band to 18% moved volumes immediately. Supply shocks interrupt but do not drive it.
- Who owns the customer
- Split three ways, which is the sector's defining feature. The dealer owns the transaction, the OEM owns the brand, and the financier owns a multi-year repayment relationship — and earns most from it.
- Barriers to entry
- Lowest at dealerships and simple components. Highest at OEM platforms and tier-1 electronics, where a new entrant needs a vehicle programme, a supplier base and a service network simultaneously.
- Threat of substitutes
- Electrification is a substitute inside the chain rather than outside it: an EV deletes the engine, transmission and exhaust cluster entirely. Tenneco Clean Air earns 60.8% on capital making what an EV does not need. Ride-hailing substitutes ownership itself.
This is a generalist read of how the industry typically works, not a rule. Anomalies exist at every stage — a well-run company in a poor part of the chain routinely beats a badly-run one in a good part, and structure changes with the cycle. Use it as a starting frame, not a conclusion.
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