A coolant pump is a type of pump used to recirculate a coolant, generally a liquid, that is used to transfer heat away from an engine or other device that generates heat as a by-product of producing energy.
The market is really fragmented. Top 5 manufacturers only occupied 31% market share in 2019.

Market Analysis and Insights: Global and Japan Coolant Pumps Market
This report focuses on global and Japan Coolant Pumps market.
In 2020, the global Coolant Pumps market size was US$ 3605.8 million and it is expected to reach US$ 5006.4 million by the end of 2027, with a CAGR of 4.8% during 2021-2027. In Japan the Coolant Pumps market size is expected to grow from US$ XX million in 2020 to US$ XX million by 2027, at a CAGR of XX% during the forecast period.

Global Coolant Pumps Scope and Market Size
Coolant Pumps market is segmented by region (country), players, by Type, and by Application. Players, stakeholders, and other participants in the global Coolant Pumps market will be able to gain the upper hand as they use the report as a powerful resource. The segmental analysis focuses on revenue and forecast by region (country), by Type and by Application in terms of revenue and forecast for the period 2016-2027.
For Japan market, this report focuses on the Coolant Pumps market size by players, by Type, and by Application, for the period 2016-2027. The key players include the global and local players which play important roles in Japan.

Segment by Type
Less than 50W
50W-100W
100W-400W
More than 400W

Segment by Application
Nuclear Power Plants
Automotive
Machine Tool
Others

By Region
North America
U.S.
Canada
Europe
Germany
France
U.K.
Italy
Russia
Asia-Pacific
China
Japan
South Korea
India
Australia
Taiwan
Indonesia
Thailand
Malaysia
Philippines
Vietnam
Latin America
Mexico
Brazil
Argentina
Middle East & Africa
Turkey
Saudi Arabia
UAE

By Company
Bosch
Continental
Johnson Electric
Aisin Seiki
MAHLE Group
Webasto
Cardone Industries
Nidec Corporation
Sogefi
KSB
Fuji Electric
Pentair Shurflo
Grundfos
HELLA
Graymills