Market overview
The global coolant bleeder valve market is worth USD 72 mn in 2026 and is forecast to reach USD 92 mn by 2036, growing at a 2.5% CAGR. China is the largest country market and Plastic is the largest by material segment.
| Scope | Bleeder valves, screws and plugs fitted on coolant circuits to release trapped air, for vehicle makers and as service parts. |
|---|---|
| Industry | Automotive |
| Value 2025 | USD 70 mn |
| Value 2026 | USD 72 mn |
| Value 2036 | USD 92 mn |
| CAGR 2026-2036 | 2.5% |
| Volume 2026 | 30.6 million units |
| Volume 2036 | 37.3 million units |
| Average price 2026 | USD 2.35 per unit |
| Report price | Starts from USD 1,999 |
| Published | November 2026 |
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Coolant Bleeder Valve market size and forecast, 2026-2036
Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.
| Year | Market value |
|---|---|
| 2026 | USD 72 mn |
| 2027 | USD 74 mn |
| 2028 | USD 75 mn |
| 2029 | USD 77 mn |
| 2030 | USD 79 mn |
| 2031 | USD 81 mn |
| 2032 | USD 83 mn |
| 2033 | USD 85 mn |
| 2034 | USD 87 mn |
| 2035 | USD 90 mn |
| 2036 | USD 92 mn |
Coolant Bleeder Valve market segmentation
By material
Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.
| Segment | Share 2026 | Share 2036 | Value 2026 | CAGR 2026-36 |
|---|---|---|---|---|
| Plastic | 55.0% | 55.7% | USD 39 mn | 2.6% |
| Brass and aluminium | 35.0% | 33.7% | USD 25 mn | 2.1% |
| Stainless steel | 10.0% | 10.6% | USD 7.2 mn | 3.1% |
By channel
Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.
| Segment | Share 2026 | Share 2036 | Value 2026 | CAGR 2026-36 |
|---|---|---|---|---|
| Original equipment | 58.0% | 55.2% | USD 42 mn | 2.0% |
| Independent aftermarket | 27.0% | 29.8% | USD 19 mn | 3.5% |
| Dealer service parts | 15.0% | 15.0% | USD 11 mn | 2.5% |
By vehicle type
| Segment | Share 2026 | Share 2036 | Value 2026 | CAGR 2026-36 |
|---|---|---|---|---|
| Passenger cars | 74.0% | 71.0% | USD 53 mn | 2.1% |
| Light commercial vehicles | 14.0% | 15.0% | USD 10 mn | 3.2% |
| Heavy commercial vehicles and buses | 12.0% | 14.0% | USD 8.6 mn | 4.1% |
By fitting style
| Segment | Share 2026 | Share 2036 | Value 2026 | CAGR 2026-36 |
|---|---|---|---|---|
| Screw-in | 46.0% | 38.0% | USD 33 mn | 0.6% |
| Push-in and quick-connect | 33.0% | 38.0% | USD 24 mn | 4.0% |
| Integrated in expansion tank | 21.0% | 24.0% | USD 15 mn | 3.9% |
By powertrain
| Segment | Share 2026 | Share 2036 | Value 2026 | CAGR 2026-36 |
|---|---|---|---|---|
| Internal combustion | 67.0% | 42.0% | USD 48 mn | -2.2% |
| Hybrid | 17.0% | 22.0% | USD 12 mn | 5.2% |
| Battery electric | 16.0% | 36.0% | USD 11 mn | 11.2% |
Top 25 countries for coolant bleeder valve by revenue
Countries are ranked by revenue earned from sales in the country, not by where the product is made. The ten largest hold 79.0% of 2026 revenue and the 25 countries below together hold 93.4%.
Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.
| # | Country | Value 2026 | Share 2026 | Value 2036 | CAGR 2026-36 |
|---|---|---|---|---|---|
| 1 | China | USD 19 mn | 26.0% | USD 28 mn | 4.3% |
| 2 | United States | USD 12 mn | 17.0% | USD 15 mn | 2.3% |
| 3 | Germany | USD 5.7 mn | 8.0% | USD 6.5 mn | 1.3% |
| 4 | Japan | USD 5.0 mn | 7.0% | USD 5.2 mn | 0.4% |
| 5 | India | USD 4.3 mn | 6.0% | USD 7.5 mn | 5.8% |
| 6 | South Korea | USD 2.9 mn | 4.0% | USD 3.4 mn | 1.7% |
| 7 | Mexico | USD 2.5 mn | 3.5% | USD 3.3 mn | 2.8% |
| 8 | Brazil | USD 2.1 mn | 3.0% | USD 2.9 mn | 2.8% |
| 9 | France | USD 1.8 mn | 2.5% | USD 1.9 mn | 0.7% |
| 10 | United Kingdom | USD 1.4 mn | 2.0% | USD 1.6 mn | 1.4% |
| 11 | Italy | USD 1.4 mn | 2.0% | USD 1.3 mn | -0.8% |
| 12 | Spain | USD 1.3 mn | 1.8% | USD 1.2 mn | -0.8% |
| 13 | Canada | USD 1.2 mn | 1.6% | USD 1.1 mn | -0.8% |
| 14 | Russia | USD 1.0 mn | 1.4% | USD 0.94 mn | -0.8% |
| 15 | Turkey | USD 0.88 mn | 1.2% | USD 1.0 mn | 1.6% |
| 16 | Thailand | USD 0.77 mn | 1.1% | USD 0.91 mn | 1.6% |
| 17 | Indonesia | USD 0.67 mn | 0.9% | USD 0.79 mn | 1.6% |
| 18 | Poland | USD 0.59 mn | 0.8% | USD 0.69 mn | 1.6% |
| 19 | Czech Republic | USD 0.52 mn | 0.7% | USD 0.61 mn | 1.6% |
| 20 | Argentina | USD 0.45 mn | 0.6% | USD 0.53 mn | 1.7% |
| 21 | Australia | USD 0.39 mn | 0.6% | USD 0.46 mn | 1.5% |
| 22 | Netherlands | USD 0.34 mn | 0.5% | USD 0.32 mn | -0.7% |
| 23 | South Africa | USD 0.30 mn | 0.4% | USD 0.36 mn | 1.7% |
| 24 | Romania | USD 0.27 mn | 0.4% | USD 0.31 mn | 1.6% |
| 25 | Iran | USD 0.23 mn | 0.3% | USD 0.27 mn | 1.5% |
| Rest of world | USD 4.7 mn | 6.6% | USD 4.9 mn | 0.3% |
Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.
Competitive landscape
Group 1: Global leaders
- Dorman Products
- Gates
- Stant
Group 2: Regional and specialist players
- Mishimoto
- Febi Bilstein
Research methodology
Every figure on this page comes from the research framework that we apply to all of the markets we cover. The 2025 base for the coolant bleeder valve market is built from the volume sold and the price that buyers pay, and is cross-checked against the size of the wider industry the market belongs to. Where a market can be sized in more than one way, the routes are compared before a figure is set.
The forecast runs year by year from the 2025 base to 2036. Growth in each year reflects demand from the industries that buy the product, adoption of new technology, pricing, regulation and replacement cycles. Volume and price are modelled together, so revenue in each year equals volume multiplied by average price. The 2026 to 2036 compound annual growth rate of 2.5% is calculated from the resulting values.
The market is divided by material, by channel, by vehicle type, by fitting style, by powertrain. The 25 largest countries are ranked by revenue earned from sales to buyers in each country, not by where the product is made. Segment values and country values add up to the market total in every year, and every report is checked for consistency before it is published.
Companies are placed in three groups: global leaders, regional and specialist players, and emerging and niche players. The groups describe how companies compete in the market. They are not a ranking and they are not market shares.
Our analysts also carry out primary research. Customized reports add interviews with key opinion leaders, such as senior executives, technical specialists and buyers, to test the assumptions behind the numbers for the question being asked.
Frequently asked questions
How big is the coolant bleeder valve market?
The global coolant bleeder valve market is estimated at USD 70 mn in 2025 and USD 72 mn in 2026.
How fast will the coolant bleeder valve market grow?
It is forecast to reach USD 92 mn by 2036, a compound annual growth rate of 2.5% from 2026, an increase of USD 20 mn.
Which country is the largest market for coolant bleeder valve?
China is the largest market by revenue at USD 19 mn in 2026, 26.0% of the global total. The three largest countries together hold 51.0%.
Which country is growing fastest?
Among the ten largest markets, India is growing fastest at 5.8% a year from 2026 to 2036.
Which coolant bleeder valve segment is largest?
In the by material split, Plastic is the largest segment with 55.0% of 2026 revenue.
Who are the leading coolant bleeder valve companies?
Global leaders include Dorman Products, Gates, Stant.
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