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Coolant Bleeder Valve Market Size, Share and Forecast 2026-2036

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.

USD 72 mnMarket size 2026
USD 92 mnForecast 2036
2.5%CAGR 2026-2036
ChinaLargest country

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5 segmentation views25 countries2026 to 2036 yearly forecast

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.

ScopeBleeder valves, screws and plugs fitted on coolant circuits to release trapped air, for vehicle makers and as service parts.
IndustryAutomotive
Value 2025USD 70 mn
Value 2026USD 72 mn
Value 2036USD 92 mn
CAGR 2026-20362.5%
Volume 202630.6 million units
Volume 203637.3 million units
Average price 2026USD 2.35 per unit
Report priceStarts from USD 1,999
PublishedNovember 2026

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Coolant Bleeder Valve market size and forecast, 2026-2036

Exhibit 1The global coolant bleeder valve market is forecast to grow from USD 72 mn in 2026 to USD 92 mn by 2036, a rise of 28%Global market value in USD: 2025 base year, 2026 estimate and forecast to 2036. CAGR 2026 to 2036: 2.5%
Coolant Bleeder Valve market value, 2025 to 2036Market value by year. 2025: USD 70 mn; 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. Compound annual growth rate 2026 to 2036: 2.5%.202572 mn202681 mn203192 mn20362.5% CAGR

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

YearMarket value
2026USD 72 mn
2027USD 74 mn
2028USD 75 mn
2029USD 77 mn
2030USD 79 mn
2031USD 81 mn
2032USD 83 mn
2033USD 85 mn
2034USD 87 mn
2035USD 90 mn
2036USD 92 mn

Coolant Bleeder Valve market segmentation

By material

Exhibit 2Plastic is the largest segment by material, with 55.0% of 2026 revenueEstimated share of 2026 global revenue, by material
Coolant Bleeder Valve market share by material, 2026Share of 2026 revenue by material. Plastic: 55.0%; Brass and aluminium: 35.0%; Stainless steel: 10.0%.Plastic55.0%Brass and aluminium35.0%Stainless steel10.0%

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Plastic55.0%55.7%USD 39 mn2.6%
Brass and aluminium35.0%33.7%USD 25 mn2.1%
Stainless steel10.0%10.6%USD 7.2 mn3.1%

By channel

Exhibit 3Original equipment adds the most revenue by channel, growing from USD 42 mn in 2026 to USD 51 mn by 2036Estimated revenue in USD by channel, 2026 and 2036 forecast
Coolant Bleeder Valve market by channel, 2026 and 2036Revenue by channel in 2026 and 2036. Original equipment: USD 42 mn in 2026, USD 51 mn in 2036, change +22%; Independent aftermarket: USD 19 mn in 2026, USD 27 mn in 2036, change +41%; Dealer service parts: USD 11 mn in 2026, USD 14 mn in 2036, change +28%.20262036 forecastChangeOriginal equipment+22%42 mn51 mnIndependent aftermarket+41%19 mn27 mnDealer service parts+28%11 mn14 mn

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Original equipment58.0%55.2%USD 42 mn2.0%
Independent aftermarket27.0%29.8%USD 19 mn3.5%
Dealer service parts15.0%15.0%USD 11 mn2.5%

By vehicle type

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Passenger cars74.0%71.0%USD 53 mn2.1%
Light commercial vehicles14.0%15.0%USD 10 mn3.2%
Heavy commercial vehicles and buses12.0%14.0%USD 8.6 mn4.1%

By fitting style

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Screw-in46.0%38.0%USD 33 mn0.6%
Push-in and quick-connect33.0%38.0%USD 24 mn4.0%
Integrated in expansion tank21.0%24.0%USD 15 mn3.9%

By powertrain

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Internal combustion67.0%42.0%USD 48 mn-2.2%
Hybrid17.0%22.0%USD 12 mn5.2%
Battery electric16.0%36.0%USD 11 mn11.2%

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%.

Exhibit 4China is the largest country market at USD 19 mn in 2026, and the three largest countries hold 51.0% of global revenueEstimated 2026 revenue in USD and share of the global market, ten largest countries
Coolant Bleeder Valve market, ten largest countries in 2026Ten largest countries by 2026 revenue. China: USD 19 mn, 26.0%; United States: USD 12 mn, 17.0%; Germany: USD 5.7 mn, 8.0%; Japan: USD 5.0 mn, 7.0%; India: USD 4.3 mn, 6.0%; South Korea: USD 2.9 mn, 4.0%; Mexico: USD 2.5 mn, 3.5%; Brazil: USD 2.1 mn, 3.0%; France: USD 1.8 mn, 2.5%; United Kingdom: USD 1.4 mn, 2.0%.China19 mn 26.0%United States12 mn 17.0%Germany5.7 mn 8.0%Japan5.0 mn 7.0%India4.3 mn 6.0%South Korea2.9 mn 4.0%Mexico2.5 mn 3.5%Brazil2.1 mn 3.0%France1.8 mn 2.5%United Kingdom1.4 mn 2.0%

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

#CountryValue 2026Share 2026Value 2036CAGR 2026-36
1ChinaUSD 19 mn26.0%USD 28 mn4.3%
2United StatesUSD 12 mn17.0%USD 15 mn2.3%
3GermanyUSD 5.7 mn8.0%USD 6.5 mn1.3%
4JapanUSD 5.0 mn7.0%USD 5.2 mn0.4%
5IndiaUSD 4.3 mn6.0%USD 7.5 mn5.8%
6South KoreaUSD 2.9 mn4.0%USD 3.4 mn1.7%
7MexicoUSD 2.5 mn3.5%USD 3.3 mn2.8%
8BrazilUSD 2.1 mn3.0%USD 2.9 mn2.8%
9FranceUSD 1.8 mn2.5%USD 1.9 mn0.7%
10United KingdomUSD 1.4 mn2.0%USD 1.6 mn1.4%
11ItalyUSD 1.4 mn2.0%USD 1.3 mn-0.8%
12SpainUSD 1.3 mn1.8%USD 1.2 mn-0.8%
13CanadaUSD 1.2 mn1.6%USD 1.1 mn-0.8%
14RussiaUSD 1.0 mn1.4%USD 0.94 mn-0.8%
15TurkeyUSD 0.88 mn1.2%USD 1.0 mn1.6%
16ThailandUSD 0.77 mn1.1%USD 0.91 mn1.6%
17IndonesiaUSD 0.67 mn0.9%USD 0.79 mn1.6%
18PolandUSD 0.59 mn0.8%USD 0.69 mn1.6%
19Czech RepublicUSD 0.52 mn0.7%USD 0.61 mn1.6%
20ArgentinaUSD 0.45 mn0.6%USD 0.53 mn1.7%
21AustraliaUSD 0.39 mn0.6%USD 0.46 mn1.5%
22NetherlandsUSD 0.34 mn0.5%USD 0.32 mn-0.7%
23South AfricaUSD 0.30 mn0.4%USD 0.36 mn1.7%
24RomaniaUSD 0.27 mn0.4%USD 0.31 mn1.6%
25IranUSD 0.23 mn0.3%USD 0.27 mn1.5%
Rest of worldUSD 4.7 mn6.6%USD 4.9 mn0.3%
Exhibit 5China and India account for 64% of the USD 20 mn the market is forecast to add by 2036Forecast revenue added between 2026 and 2036 by country, in USD
Coolant Bleeder Valve market, where the growth to 2036 comes fromRevenue added between 2026 and 2036. Market value 2026: USD 72 mn. China: +USD 9.7 mn; India: +USD 3.2 mn; United States: +USD 3.1 mn; Mexico: +USD 0.80 mn; Germany: +USD 0.78 mn; 20 other countries: +USD 2.3 mn; Rest of world: +USD 0.16 mn. Market value 2036: USD 92 mn.Market value 202672 mnChina+9.7 mnIndia+3.2 mnUnited States+3.1 mnMexico+0.80 mnGermany+0.78 mn20 other countries+2.3 mnRest of world+0.16 mnMarket value 203692 mn

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.

Read the full research methodology

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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