5 Things You Need to Know About Water Pumps | GMB Blog
May. 26, 2025
5 Things You Need to Know About Water Pumps | GMB Blog
The water pump plays an important role in a vehicle’s cooling system. Without a healthy water pump, the engine will overheat. That’s why it’s always important to know a thing or two about water pumps. Below is a list of five facts you need to know about water pumps.
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1. Water Pump Failure isn’t Always Obvious
Water pump failure is a silent killer. While there are symptoms, they’re not obvious until it’s too late. Some of the symptoms include a loose water pump pulley, a coolant leak, and rust buildup in the water pump. The average driver doesn’t notice these symptoms until the engine overheats.
Often times, drivers operate their cars daily without knowing that anything is wrong with the water pump, the cooling system, or even the engine. And when the engine finally overheats enough for the driver to notice, the owner starts wondering what is wrong. Even then, the driver likely won’t conclude that the water pump is the culprit.
That’s why it’s important to visually inspect the cooling system during regular maintenance. If you check the water pump pulley, look for leaks, and see if the coolant is still clean, you’ll be able to diagnose a failing water pump before the engine ends up with serious damage.
2. The Bearing is the Heart and Soul of Every Mechanical Water Pump
The bearing inside a water pump plays a big role in the smooth operation of the pump. In fact, a bad bearing leads to a new water pump. But, if the water pump is properly installed and the cooling system is properly maintained, there’s a very good chance the bearing will last the lifetime of the engine. However, if cooling system maintenance isn’t performed, the seal that protects the bearing can go bad. If the seal fails, the bearing itself will go bad. Likewise, if the water pump manufacturer isn’t designing or manufacturing pumps correctly, the bearing can fail prematurely.
To help your customers prevent water pump bearing failure in their cars:
- Install replacement water pumps that are manufactured by a reputable manufacturer
- Talk to your customers about the importance of maintaining their cooling systems (it might help to give them a maintenance schedule or timeline)
3. To Save Time and Trouble, Replace an Ailing Water Pump While Working on Other Related Parts
While water pumps can last a lifetime, it’s prudent to replace them while completing other maintenance. That’s because failures can be incredibly expensive. Not only in terms of the amount of labor it takes to remove and replace the water pump, but also in terms of “collateral damage” that’s risked whenever a pump fails.
A lot of technicians replace the water pump and the timing belt at the same time for the reasons listed here. Water pumps and timing belts are built to last the same amount of time, so once the timing belt goes, the water pump isn’t too far behind (or vice versa).
Even if you’re not replacing the timing belt, it’s always a good idea to take a few minutes to check the water pump whenever you have access to it. It’s astronomically better to catch water pump failure in its infancy and replace the water pump instead of dealing with the aftermath of complete water pump failure. If you need to know the signs of a failing water pump, here’s a list for you.
4. Water Pump Design and Manufacturing is Complex
Water pumps are pretty simple parts. They’re comprised of a few important parts, including a housing, a bearing, a bearing seal, an impeller, an impeller shaft, and a pulley. However, they need to work just right in order to be effective. The water pump has to:
- Flow enough coolant at any given RPM
- Operate reliably for many years
- Operate without making noise or reducing engine efficiency
That’s why design and quality are extremely important when it comes to finding a replacement water pump. At GMB, we design and build some of the best water pumps on the market. In fact, some auto manufacturers contract with us to build their OEM water pumps and other parts for them. When it comes to finding quality replacement water pumps, you can’t go wrong with GMB.
5. Electric Cars Have Water Pumps Too
A lot of people don’t realize that electric cars have water pumps, too. While the water pump in an electric vehicle doesn’t look like a mechanical water pump, it still serves the same function, which is to send coolant through the cooling system.
Electric coolant pumps are complex, just like the water pumps in regular old gas and diesel engines. Whenever you’re servicing an electric vehicle, don’t forget to check the water pump, too!
Automotive Electric Water Pump Market Size, Share Report
Global Automotive Electric Water Pump Market Overview
Automotive Electric Water Pump Market Size was valued at USD 3.30 Billion in . The Automotive Electric Water Pump market industry is projected to grow from USD 3.80 Billion in to USD 10.09 Billion by , exhibiting a compound annual growth rate (CAGR) of 15.00% during the forecast period ( - ). Increased focus on engine downsizing and turbocharging are the key market drivers that enhance market growth.
Source: Secondary Research, Primary Research, MRFR Database and Analyst Review
Automotive Electric Water Pump Market Trends
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Growing demand for electric vehicles is driving the market growth
Market CAGR for automotive electric water pump is being driven by the growing demand for electric vehicles. The burgeoning embrace of start-stop systems within vehicular domains serves as a paramount catalyst propelling the automotive electric water pump arena into realms of burgeoning growth and evolution. These systems, ingrained with the prowess to automatically halt engine operations upon vehicular stasis, stand as formidable champions in the crusade for fuel conservation and emission mitigation.
Yet, amidst this automotive renaissance lurks a formidable quandary; the traditional mechanical water pumps, ensnared within the shackles of inefficacy during the tumultuous transitions of engine shutdowns and reawakening, present a specter of potential overheating maladies. Enter the epoch of electric water pumps adorned with the mantle of innovation and functionality. These marvels of engineering exude a relentless cadence of coolant circulation, an undying vigil even amidst the eerie silence of engine dormancy.
Through their unwavering commitment to perpetual fluid movement, they orchestrate a symphony of optimal temperature management, an impervious bulwark against the insidious tendrils of overheating adversity. As the automotive landscape charts a course towards ever-heightening echelons of efficiency and environmental stewardship, the clarion call for electric water pumps resonates with newfound urgency. Automakers, in a choreographed dance with regulatory mandates dictating fuel frugality and emission abatement, cast their gaze upon these technological stalwarts with fervent reverence. It is within the embrace of electric water pumps that the promise of seamless integration with start-stop systems finds fruition, an alliance forged in the crucible of innovation and necessity.
In this dance of technological symbiosis, electric water pumps emerge as vanguards of efficiency and reliability, their indomitable spirit driving forth the chariot of start-stop system adoption across the automotive expanse. As the wheels of progress continue to churn, the indelible imprint of electric water pumps upon the automotive zeitgeist stands as a testament to the inexorable march towards a future where efficiency and sustainability converge in harmonious union.
Electric vehicles require efficient cooling systems to maintain optimal operating temperatures for their batteries and electric motors. Electric water pumps play a crucial role in this by ensuring effective coolant circulation, contributing to the longevity and performance of EV components. As the EV market expands, there is a parallel increase in the demand for electric water pumps to support the cooling needs of these vehicles. Additionally, the emphasis on sustainability and environmental concerns further amplifies the importance of electric water pumps in enhancing the efficiency and eco-friendliness of electric vehicles, driving their adoption in the automotive industry.
The increased focus on engine downsizing and turbocharging in the automotive industry is driving the demand for automotive electric water pumps. Downsizing engines and incorporating turbochargers are strategies aimed at improving fuel efficiency without compromising performance. However, these technologies also increase the thermal load on the engine, requiring more efficient cooling systems. Electric water pumps play a crucial role in this regard by providing precise and efficient coolant circulation to manage higher temperatures in downsized and turbocharged engines.
Their ability to adapt to varying engine loads and speeds ensures optimal cooling performance, contributing to engine reliability and longevity. As automakers continue to prioritize fuel efficiency and emissions reduction, the demand for electric water pumps as integral components of advanced engine cooling systems is expected to grow steadily. For instance, BASF and MAN Energy Solutions have collaborated to launch the construction of an industrial-scale heat pump situated at the BASF site in Ludwigshafen. This innovative project seeks to achieve substantial reductions in greenhouse gas emissions, promote the adoption of low-CO2 technology in chemical manufacturing, and diminish natural gas consumption at the site.
Automotive Electric Water Pump Market Segment Insights
Automotive Electric Water Pump Voltage Type Insights
The Automotive Electric Water Pump Market segmentation, based on Voltage Type, includes 12V and 24V. In , the 12V segment dominated the market, accounting for 65% of market revenue. Many vehicles already utilize a 12V electrical system, making integration easier and more cost-effective. Additionally, 12V pumps are often simpler in design, more affordable, and widely available compared to higher voltage alternatives. Moreover, they provide sufficient power for most automotive cooling applications, making them a practical and popular choice among manufacturers and consumers alike.
The 24V voltage type is experiencing the highest compound annual growth rate (CAGR) in the automotive electric water pump market due to several factors. As vehicle electrification advances, particularly in commercial and heavy-duty applications, there is a growing demand for higher voltage systems to meet the increased power requirements of larger vehicles and hybrid configurations. Additionally, 24V pumps offer improved performance, efficiency, and reliability, making them increasingly preferred for applications requiring higher cooling capacity and power output.
Figure 1: Automotive Electric Water Pump Market, by Voltage Type, & (USD Billion)
Source: Secondary Research, Primary Research, MRFR Database and Analyst Review
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Automotive Electric Water Pump Application Insights
The Automotive Electric Water Pump Market segmentation, based on Application, includes Battery, Engine, Turbocharger, and Others. In , the Battery category generated the most income due to the widespread adoption of electric vehicles (EVs). Electric water pumps are integral to EV cooling systems, helping to regulate the temperature of batteries and electric motors. As the demand for EVs continues to rise globally, driven by factors such as environmental concerns and government incentives, the market for automotive electric water pumps for battery applications is experiencing significant growth and dominance.
The engine application segment is experiencing the highest compound annual growth rate (CAGR) in the automotive electric water pump market due to several factors. As automotive manufacturers increasingly focus on engine downsizing, turbocharging, and overall engine efficiency, the demand for electric water pumps to optimize engine cooling systems is growing rapidly. Additionally, the integration of start-stop systems and other technologies aimed at improving fuel efficiency further drives the adoption of electric water pumps for engine applications, fueling their growth.
Automotive Electric Water Pump Propulsion Insights
The Automotive Electric Water Pump Market segmentation, based on Propulsion, includes IC Engine (Gasoline, Diesel) and Electric (Battery Electric, Hybrid/Plug-in Hybrid Electric, Fuel-Cell Electric). In , the IC Engine category generated the most income due to the widespread use of traditional gasoline and diesel vehicles. IC engines require effective cooling systems to maintain optimal operating temperatures and prevent overheating. Electric water pumps offer a reliable and efficient solution for cooling IC engines, contributing to their dominance in the market. Additionally, the ongoing presence of IC engine vehicles, alongside the increasing adoption of hybrid configurations, sustains the demand for electric water pumps in this segment.
Electric propulsion is experiencing the highest compound annual growth rate (CAGR) in the automotive electric water pump market due to the rapid expansion of electric vehicle (EV) adoption. Electric water pumps play a critical role in cooling EV batteries and electric motors, contributing to their efficiency and longevity. As the demand for EVs continues to surge globally, driven by environmental concerns and government regulations, the market for electric water pumps in electric propulsion applications is growing at an accelerated pace, outpacing other segments.
Automotive Electric Water Pump Vehicle Type Insights
The Automotive Electric Water Pump Market segmentation, based on Vehicle Type, includes Passenger Vehicle (Hatchback, Sedan, SUVs), Light Commercial Vehicle, Heavy Duty Trucks and Buses & Coaches. In , the Passenger Vehicle category generated the most income. The sheer volume of passenger vehicles on the road compared to other vehicle types contributes to their dominance. Additionally, passenger vehicles, including both traditional internal combustion engine vehicles and electric vehicles, often require efficient cooling systems to maintain optimal performance and reliability, driving the demand for electric water pumps. Moreover, advancements in passenger vehicle technology and consumer preferences for comfort and convenience further support the prominence of electric water pumps in this segment.
Automotive Electric Water Pump Sales Channel Insights
The Automotive Electric Water Pump Market segmentation, based on the Sales Channel, includes OEM and Aftermarket. In , the OEM category generated the most income (due to their direct integration into new vehicle manufacturing processes. OEMs typically procure electric water pumps in bulk quantities for installation during vehicle assembly, driving significant demand in the market. Additionally, OEMs often prioritize sourcing components that meet their specific requirements for quality, reliability, and compatibility, further solidifying their dominance in electric water pump sales within the automotive industry.
The aftermarket sales channel is experiencing the highest compound annual growth rate (CAGR) in the automotive electric water pump market due to several factors. Firstly, as vehicles age, there is an increasing need for replacement parts, including electric water pumps, to maintain optimal performance and reliability. Secondly, the growing popularity of DIY (do-it-yourself) vehicle maintenance and repair among consumers drives demand for aftermarket electric water pumps. Additionally, the expansion of online retail platforms has made aftermarket parts more accessible to consumers, further fueling market growth.
Automotive Electric Water Pump Regional Insights
By region, the study provides the market insights into North America, Europe, Asia-Pacific and the Rest of the World. North America has captured the largest market share in the automotive electric water pump market due to several factors. The region boasts a large automotive industry with a high production volume of vehicles, contributing to a significant demand for electric water pumps. Additionally, stringent emission regulations and consumer preferences for fuel-efficient vehicles drive the adoption of advanced cooling technologies, including electric water pumps. Moreover, the presence of leading automotive manufacturers and technological innovation centers further strengthens North America's dominance in the market.
Further, the major countries studied in the market report are the US, Canada, Germany, France, the UK, Italy, Spain, China, Japan, India, Australia, and South Korea.
Figure 2: AUTOMOTIVE ELECTRIC WATER PUMP MARKET SHARE BY REGION (USD Billion)
Source: Secondary Research, Primary Research, MRFR Database and Analyst Review
Europe Automotive Electric Water Pump market accounts for the second-largest market share due to technological advancement. Europe has secured the second-largest market share in the automotive electric water pump market due to several factors. Firstly, the region houses a robust automotive manufacturing sector with a strong focus on innovation and technological advancement. Additionally, stringent emissions regulations in Europe incentivize the adoption of efficient cooling systems, including electric water pumps. Furthermore, the growing popularity of electric vehicles in European markets drives the demand for electric water pumps, contributing to Europe's significant share in the market. Further, the German Automotive Electric Water Pump market held the largest market share, and the UK Automotive Electric Water Pump market was the fastest growing market in the European region.
The Asia-Pacific Automotive Electric Water Pump Market is expected to grow at the fastest CAGR from to . The Asia Pacific region is experiencing the highest compound annual growth rate (CAGR) in the automotive electric water pump market due to several factors. Firstly, the region is witnessing rapid industrialization and urbanization, leading to increased vehicle production and sales. Additionally, rising consumer awareness about environmental issues and government initiatives promoting electric vehicle adoption drive the demand for electric water pumps. Moreover, the presence of key automotive manufacturing hubs and technological advancements in the region further accelerate market growth. Moreover, China’s Automotive Electric Water Pump market held the largest market share, and the Indian Automotive Electric Water Pump market was the fastest growing market in the Asia-Pacific region.
Automotive Electric Water Pump Key Market Players & Competitive Insights
Leading players in the automotive electric water pump market are focusing on various strategies to maintain their competitive edge. This includes investments in research and market developments to innovate new products with enhanced efficiency and performance. Additionally, partnerships and collaborations with automotive manufacturers are helping to expand market reach and penetration. Furthermore, strategic acquisitions and mergers facilitate market consolidation and strengthen companies' market positions. Overall, these initiatives are aimed at meeting evolving customer demands and staying ahead in the competitive landscape.
Manufacturing locally to minimize operational costs is one of the key business tactics used by manufacturers in the global Automotive Electric Water Pump industry to benefit clients and increase the market sector. In recent years, the Automotive Electric Water Pump industry has offered some of the most significant advantages to OEM. Major players in the Automotive Electric Water Pump market, including Robert Bosch GmbH, Continental AG, Aisin Seiki Co., Ltd., Johnson Electric Holdings Limited, Mahle GmbH, Rheinmetall Automotive AG, KSPG AG, GMB Corporation, Davies Craig Pty Ltd, Aisin Group and Others, are attempting to increase market demand by investing in research and development operations.
Robert Bosch GmbH, a global leader in automotive technology, offers innovative solutions in the automotive electric water pump market. Leveraging its extensive expertise and cutting-edge technology, Bosch provides high-quality electric water pumps designed to enhance engine cooling efficiency and reduce fuel consumption. The company's electric water pumps feature advanced engineering, including intelligent control systems and brushless DC motors, ensuring optimal performance and durability. Bosch's commitment to sustainability and environmental responsibility drives its development of eco-friendly solutions, aligning with industry trends towards electrification and emissions reduction. With a strong presence in the automotive sector and a reputation for reliability and innovation, Bosch continues to be a trusted partner for automotive manufacturers worldwide in addressing the challenges of modern engine cooling systems.
Johnson Electric Holdings Limited is a leading provider of electric motors and motion subsystems, including solutions for the automotive electric water pump market. With a global presence and a reputation for innovation and reliability, Johnson Electric offers a comprehensive range of electric water pumps designed to meet the demanding requirements of modern vehicles. Leveraging advanced technologies such as brushless DC motors and intelligent control systems, Johnson Electric's water pumps deliver superior performance, efficiency, and durability. The company's strong focus on research and development enables it to stay at the forefront of automotive cooling system solutions, catering to the evolving needs of automotive manufacturers worldwide. Through strategic partnerships and a commitment to excellence, Johnson Electric continues to drive innovation and shape the future of the automotive electric water pump market.
Key Companies in the Automotive Electric Water Pump market include
- Robert Bosch GmbH
- Continental AG
- Aisin Seiki Co., Ltd.
- Johnson Electric Holdings Limited
- Mahle GmbH
- Rheinmetall Automotive AG
- KSPG AG
- GMB Corporation
- Davies Craig Pty Ltd
- Aisin Group
Automotive Electric Water Pump Industry Developments
July : The world economy's backbone is the commercial vehicle industry. Commercial vehicles handle 80% of all overland transportation. An average of 150,000 kilometers are driven by each truck annually to maintain the economy's flow of goods.
By , fuel cell and fully electric trucks with batteries are expected to make up about 30% of the world's truck production. This implies that for the foreseeable future, internal combustion engines will continue to be a necessary form of propulsion everywhere. On short-haul routes, battery-electric drive systems will primarily be utilized in the medium- and heavy-duty truck segments. Long-term benefits are realized by fuel cells and combustion engines that run on hydrogen or other renewable fuels. Hence, MAHLE represents technological diversity and creates the best solutions for any use case globally through its three strategic areas of electrification, thermal management, and highly efficient sustainable combustion engines. The company helps to lessen the carbon footprint of road freight transportation in this way.
February : Motion & Control Enterprises finalized the acquisition of Precision Pump & Valve, a respected distributor with expertise in safety relief and control valves, pumps, and related equipment. Precision Pump & Valve is well-known for delivering customized solutions to the oil and gas, petrochemical, and chemical processing sectors.
In February , Schaeffler Technologies AG & Co. KG, under its sub-brand INA, introduced a range of electric auxiliary water pumps. These pumps are designed to meet OEM requirements with a wide scope for the European market. The Auxiliary water pumps are essential for after-run, fuel systems, turbocharger cooling, high-voltage battery and inverter cooling in electric and hybrid vehicles. Besides, they are also crucial for cooling the high voltage battery and inverter in electric and hybrid vehicles.
In September , NTN Corporation, a supplier of automotive parts, announced the expansion of their line of products to include a range of auxiliary electric water pumps. This product line features over 40 models that fulfill the heightening need for advanced coolant pumps for electric and hybrid vehicles. Powered by innovative PPS plastic bearing technology, these pumps are designed to reduce CO2 emissions while saving energy due to lower friction by over 30%.
Gates Corporation, one of the leaders in the global markets in manufacturing fluid power and other specific applications, introduced the ThermalPro electric water pumps that are directed toward electric vehicles (EVs) in November . This next-generation technical advance's most important attribute is its unparalleled tuned construction that allows overload ranges from 100 watts to 3 kilowatts (4.0 hp).
In September , an International automotive manufacturer placed an order with Rheinmetall Automotive AG for CWA400 electric coolant pumps that shipped in September . The coolant pumps are intended for luxury hybrid automobiles with 2.5-liter four-cylinder engines, and the completion date for delivery is set by the year .
An electric coolant pump supplier, Bosch, announced in August they will be expanding their electric pump portfolio for the aftermarket area. These pumps are capable of thermal management of automobiles that are hybrids and electric only. As of , the company offered workshop customers 50 article numbers as part of their order, including 14 variants for hybrid and electric vehicles.
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Automotive Electric Water Pump Market Segmentation
Automotive Electric Water Voltage Type Outlook
- 12V
- 24V
Automotive Electric Water Pump Application Outlook
- Battery
- Engine
- Turbocharger
- Others
Automotive Electric Water Pump Propulsion Outlook
-
IC Engine- Gasoline
- Diesel
-
Electric- Battery Electric
- Hybrid/Plug-in Hybrid Electric
- Fuel-Cell Electric
Automotive Electric Water Pump Vehicle Type Outlook
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Passenger Vehicle- Hatchback
- Sedan
- SUVs
- Light Commercial Vehicle
- Heavy Duty Trucks
- Buses & Coaches
Automotive Electric Water Pump Sales Channel Outlook
- OEM
- Aftermarket
Automotive Electric Water Pump Regional Outlook
North America
- US
- Canada
Europe
- Germany
- France
- UK
- Italy
- Spain
- Rest of Europe
Asia-Pacific
- China
- Japan
- India
- South Korea
- Australia
- Rest of Asia-Pacific
Rest of the World
-
Middle East -
Africa -
Latin America
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