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Tenneco's full-year margin hits 18.8% record as DaVinci suspension attracts new OEMs

EBITDA margin reached 18.8% of value-added revenue, up from 14.3% two years ago. DaVinci suspension and a new bearings business are driving the product mix shift.

2 earlier stories on Tenneco Clean Air India Ltd.
Mkt cap₹23,631 cr
P/E39.15×
ROE34.29%
Debt / eq.0.03
18.8% of VAR Full-year EBITDA margin, an all-time high.

What's new

  • Q4 value-added revenue rose 17.5% YoY to ₹14,058 million; EBITDA margin hit 18.3%.
  • Full-year EBITDA margin reached 18.8% of VAR, up from 14.3% two years earlier.
  • DaVinci DCx suspension now has three to four new OEMs interested after adoption by a top SUV maker.

Why this matters

The jump from 14.3% to 18.8% margin in two years shows new platforms are lifting the mix. The DaVinci suspension and a bearings-system contract with a Japanese OEM give the product cycle credibility beyond legacy Clean Air parts.

What we're watching

  • Conversion of DaVinci DCx interest from three to four OEMs into firm orders.
  • Timeline for the two greenfield plants (₹1,400 million combined capex) to reach peak production by FY28-29.
  • Ramp-up of the new bearings business with the Japanese OEM.

The full read

Tenneco Clean Air India's product mix is changing. The company's full-year EBITDA margin hit a record 18.8% of value-added revenue, a jump from 14.3% two years ago. The driver is new products: its DaVinci DCx mechanical suspension, already adopted by a leading SUV maker, is drawing interest from three to four additional OEMs. The company also landed a bearings-system contract with a Japanese passenger vehicle OEM. The lifetime order book of ₹124,000 million underwrites growth through FY28. Two greenfield plants with ₹1,400 million in combined capex are planned for North and West India to meet that demand. The margin story is about new platforms earning their keep.

Questions answered

How much did Tenneco's full-year EBITDA margin improve?
The full-year EBITDA margin reached 18.8% of value-added revenue, up from 14.3% two years earlier. This is an all-time high for the company.
What new business did Tenneco win?
The company secured a strategic entry into bearings systems with a Japanese passenger vehicle OEM. It is also doing a proof-of-concept for a Euro 7 compliant Clean Air solution with a European truck maker.
How does the order book support future growth?
The lifetime order book stands at ₹124,000 million, which management says provides full visibility for its FY28 revenue targets.
What is the capacity expansion plan?
Tenneco is building two greenfield plants—one in North India for Clean Air and one in West India for shock absorbers—with a combined capex of approximately ₹1,400 million. Both are expected to reach peak production by FY28-29.
Mentioned: DaVinci DCx suspension · ₹124,000 million order book · ₹1,400 million greenfield capex
Primary source BSE · NSE · Tijori

An independent reading of the company's own disclosure — the primary filing above is the final word.

  1. 9 Jun 2026 · 9:18 PM IST Tenneco's full-year margin hits 18.8% record as DaVinci suspension attracts new OEMs
  2. 6d ago Tenneco's DaVinci suspension wins three more OEMs, order book covers FY28
  3. 10d ago Tenneco Clean Air India posts record 18.8% EBITDA margin in Q4