3 Auto Thermal and Control Part Stocks With a Strong Future Roadmap: Sansera Engineering, Subros and Suprajit Engineering

Auto thermal and control part stocks give investors exposure to makers of engine components, vehicle air conditioning and control cables. Results depend on vehicle production, content per vehicle and exports, which is why customer mix matters as much as headline growth.

This list covers three vehicle cooling and cable stocks: Sansera Engineering for precision engine, suspension and transmission components, Subros for automotive air conditioning and thermal products and Suprajit Engineering for control cables and automotive components. Every figure comes from the latest reported financials and the 7 October 2026 market close. Companies without complete current figures were left out.

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What Are Auto Thermal and Control Part Stocks?

Auto thermal and control part stocks are shares of companies that make precision engine parts, vehicle cooling systems and control cables for vehicle makers. Results depend on vehicle production, content per vehicle, export orders and operating margin, so long customer ties and rising content per vehicle separate the stronger names.

Auto Thermal and Control Part Stocks at a Glance

The table compares size, valuation, return on equity and debt for the three auto thermal and control part stocks as of the 7 October 2026 close.

Among vehicle cooling and cable stocks, Subros and Suprajit trade below the industry P/E, while Sansera trades at a premium to the industry multiple.

Why Do Auto Thermal and Control Part Stocks Have a Strong Roadmap in India?

Auto thermal and control part stocks have a strong roadmap in India because vehicle output is rising, air conditioning is becoming standard and vehicle makers want local suppliers with export reach. Three drivers stand out.

• Rising vehicle output: More vehicles need more components.
• Higher air conditioner fitment: More vehicles carry cooling systems.
• Export programmes: Global vehicle makers source parts from Indian suppliers.

Sansera Engineering: Precision Engine and Suspension Components Anchor the Roadmap

Sansera's roadmap rests on precision engine, suspension and transmission components, with new aerospace and electric vehicle programmes widening its base.

Revenue grew from Rs 2,004.53 crore in FY22 to Rs 3,557.37 crore in FY26, a 77.5% rise, and FY26 revenue was 17.1% higher than FY25. FY26 net profit rose 50.7% to Rs 326.86 crore. Over four years, net profit rose from Rs 131.89 crore in FY22 to Rs 326.86 crore. In Q1 FY27, revenue grew 33.0% to Rs 1,034.65 crore, and net profit rose 38.7% to Rs 87.36 crore. Operating margin was 19.35% in FY26 and 18.83% in Q1 FY27 against 18.62% a year earlier.

Debt to equity is 0.19 and return on equity is 10.50%. FY26 operating cash flow was Rs 387.07 crore against capital expenditure of Rs 509.77 crore. Sansera paid a dividend of Rs 4 per share for FY26, a yield of 0.09%. At a P/E of 75.68 against an industry P/E of 37.24, the stock trades above its industry multiple.

What to watch: FY26 capex of Rs 509.77 Cr was above operating cash flow of Rs 387.07 Cr, and return on equity of 10.50% is modest. The P/E of 75.68 sits above the industry P/E of 37.24, so earnings delivery matters for the valuation.

Subros: Vehicle Air Conditioning and Thermal Products Drive the Pipeline

Subros' roadmap rests on automotive air conditioning and thermal products, with higher air conditioner fitment in vehicles lifting content per vehicle.

Revenue grew from Rs 2,248.19 crore in FY22 to Rs 3,793.98 crore in FY26, a 68.8% rise, and FY26 revenue was 12.0% higher than FY25. FY26 net profit rose 10.0% to Rs 165.65 crore. Over four years, net profit rose from Rs 32.49 crore in FY22 to Rs 165.65 crore. In Q1 FY27, revenue grew 17.5% to Rs 1,038.30 crore, and net profit rose 1.7% to Rs 41.52 crore. Operating margin was 9.45% in FY26 and 8.44% in Q1 FY27 against 10.01% a year earlier.

Debt to equity is 0.02 and return on equity is 13.31%. FY26 operating cash flow was Rs 105.32 crore against capital expenditure of Rs 149.57 crore. Subros paid a dividend of Rs 3 per share for FY26, a yield of 0.45%. At a P/E of 26.40 against an industry P/E of 37.24, the stock trades below its industry multiple.

What to watch: FY26 capex of Rs 149.57 Cr was above operating cash flow of Rs 105.32 Cr, and the Q1 FY27 operating margin of 8.44% was below the 10.01% of a year earlier.

Suprajit Engineering: Control Cables and Components Build the Next Leg

Suprajit's roadmap rests on control cables and automotive components, with exports and new product lines supporting revenue.

Revenue grew from Rs 1,877.12 crore in FY22 to Rs 3,940.63 crore in FY26, a 109.9% rise, and FY26 revenue was 18.6% higher than FY25. FY26 net profit rose 84.0% to Rs 182.67 crore. Over four years, net profit rose from Rs 173.08 crore in FY22 to Rs 182.67 crore. In Q1 FY27, revenue grew 19.1% to Rs 1,073.80 crore, and net profit rose 8.6% to Rs 52.23 crore. Operating margin was 13.19% in FY26 and 12.43% in Q1 FY27 against 13.99% a year earlier.

Debt to equity is 0.69 and return on equity is 12.71%. FY26 operating cash flow was Rs 171.03 crore against capital expenditure of Rs 118.00 crore. Suprajit paid a dividend of Rs 3.5 per share for FY26, a yield of 0.75%. At a P/E of 34.14 against an industry P/E of 37.24, the stock trades below its industry multiple.

What to watch: The Q1 FY27 operating margin of 12.43% was below the 13.99% of a year earlier, and Q1 FY27 net profit growth of 8.6% is well below the 84.0% of FY26.

Best Auto Thermal and Control Part Stocks in India: Sansera vs Subros vs Suprajit on Key Financials

Among the best auto thermal and control part stocks in India, Sansera leads on FY26 operating margin and Q1 FY27 revenue growth; Suprajit leads on five-year revenue growth; Subros leads on return on equity and the lowest P/E. The table puts the numbers side by side.

Auto parts earnings follow vehicle production and exports, so full-year numbers and quarterly trends together give a better view.

How to Evaluate Engine Part and Cable Stocks to Buy Before You Invest

A short checklist keeps the research consistent when you screen auto thermal and control part stocks and shortlist engine part and cable stocks to buy.

1. Compare each stock's P/E with its industry P/E, which is 37.24 for all three here.
2. Track operating margin across several quarters, because input costs can move faster than prices.
3. Check whether revenue growth is turning into profit growth, not only sales.
4. Read operating cash flow against capital expenditure to see how growth is funded.
5. Watch debt to equity and interest cover before sizing a position.
6. Spread exposure across companies and business lines instead of one demand cycle.

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Risks to Consider Before Investing in Auto Thermal and Control Part Stocks

• Valuation: Sansera trades at 75.68 times earnings against an industry multiple of 37.24.
• Capex: Sansera's FY26 capex of Rs 509.77 Cr was above its operating cash flow of Rs 387.07 Cr.
• Vehicle cycle: Production cuts reduce component orders.
• Debt: Suprajit has debt to equity of 0.69.

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Final Take: Which Stock Has the Strongest Roadmap?

These three engine part and cable stocks cover precision engine components, vehicle air conditioning, and control cables. Sansera leads on FY26 operating margin and Q1 FY27 revenue growth; Suprajit leads on five-year revenue growth; Subros leads on return on equity and the lowest P/E.

Across vehicle cooling and cable stocks, each roadmap still has to turn growth into steady profit, so independent research and position sizing matter. Investors should consult a SEBI-registered advisor before acting on any of the engine part and cable stocks to buy discussed here.

FAQs on Auto Thermal and Control Part Stocks

Which are the best auto thermal and control part stocks in India with a strong roadmap?

Ans. Sansera Engineering, Subros and Suprajit Engineering stand out for their roadmaps in engine components, vehicle air conditioning and control cables. FY26 revenue growth was 17.1% at Sansera, 12.0% at Subros and 18.6% at Suprajit, and return on equity ranges from 10.50% to 13.31%.

Is Sansera Engineering a good stock to buy now?

Ans. Sansera Engineering has a debt to equity ratio of 0.19, a return on equity of 10.50% and a P/E of 75.68 against an industry P/E of 37.24. Valuation, capex and the vehicle cycle move results. This article is not investment advice, so consult a SEBI-registered advisor before deciding.

What is the P/E ratio of Sansera, Subros and Suprajit?

Ans. The P/E ratio is 75.68 for Sansera (industry 37.24), 26.40 for Subros (industry 37.24) and 34.14 for Suprajit (industry 37.24). Only Sansera trades at or above the industry multiple.

Which of these auto thermal and control part stocks has the highest return on equity?

Ans. Subros has the highest return on equity at 13.31%, followed by Suprajit Engineering at 12.71% and Sansera Engineering at 10.50%.

What are the risks of investing in auto thermal and control part stocks?

Ans. The main risks are a high valuation at one firm, capex ahead of cash flow, vehicle production cycles and debt at another. Sansera trades at 75.68 times earnings against an industry multiple of 37.24.

How did Sansera, Subros and Suprajit perform in Q1 FY27?

Ans. Sansera Engineering reported revenue of Rs 1,034.65 crore, up 33.0% year on year, and net profit rose 38.7% to Rs 87.36 crore. Subros reported revenue of Rs 1,038.30 crore, up 17.5% year on year, and net profit rose 1.7% to Rs 41.52 crore. Suprajit Engineering reported revenue of Rs 1,073.80 crore, up 19.1% year on year, and net profit rose 8.6% to Rs 52.23 crore.

Do auto thermal and control part stocks pay dividends?

Ans. Yes, all three companies pay dividends. The dividend yield is 0.09% for Sansera, 0.45% for Subros and 0.75% for Suprajit, based on dividends declared for FY26.

How can I invest in auto thermal and control part stocks in India?

Ans. You can buy auto thermal and control part stocks through a demat and trading account on NSE or BSE after checking each company's financials, margins and valuation. The Univest Screener lets you compare fundamentals before placing an order. Investments in securities are subject to market risk, so consider your risk profile first.