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April 2025
The automotive spark plugs and glow plugs market is projected to reach USD 13.18 billion by 2034, growing from USD 9.86 billion in 2025, at a CAGR of 3.28% during the forecast period from 2025 to 2034.
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In the medium term, both new car sales and aftermarket demand are expected to increase due to heightened personal and commercial travel, thus contributing to the post-pandemic economic recovery worldwide. As the need for heavy goods transportation rises, it's anticipated that sales of new vehicles and electric vehicles will also see an uptick.
The growth of the logistics and construction sectors, driven by the rise of e-commerce, is a key factor boosting the demand for commercial vehicles. However, factors like infrastructure limitations, electric vehicle adoption, and operational challenges may impede the sector's growth.
Glow plugs are crucial components used to ignite diesel engines in vehicles. They heat the air-fuel mixture to facilitate engine ignition, particularly in cold conditions. Comprising a heating coil, control coil, nuts, electrical elements, and insulation powder, glow plugs vary in shapes and sizes and are not interchangeable.
The automotive industry is experiencing significant demand worldwide, driven by its high potential for innovation and expansion. Strong global demand and the growth of e-commerce have prompted manufacturers to develop new commercial tools, exemplified by Ford's launch of the 2021 F-150 truck, featuring hybrid models and hands-free driving capabilities.
With the rise of e-commerce, the demand for electric vehicles has surged, leading companies to rely more on logistics service providers for transportation and distribution. Logistics firms offering less-than-truckload (LTL) and full-truckload (FTL) services are increasingly utilizing trucks due to their high payload capacity. This trend, combined with the relatively low transportation cost of commercial vehicles per kilometer, is driving the growth of the automotive glow plug market.
According to Eurostat, approximately 75% of the EU's land transport is conducted via road, indicating a growing need for automotive lighting solutions among OEMs and aftermarket distributors. This is attributed to the expansion of the logistics sector and the widespread use of vehicles such as pickup trucks for passenger transportation services.
While platinum and iridium spark plugs are commonly used, iridium spark plugs are specifically employed in high-performance engines. Additionally, the demand for factory-installed lighting has declined due to reduced sales stemming from the shift from natural gas to smaller gasoline engines.
The automotive industry is experiencing high demand worldwide, driven by the utilization of high-capacity and efficient driving technologies, fostering innovation and expanding activities. The growth of robust and supportive international shipping and e-commerce is prompting businesses to invest in new commercial vehicles.
Over the last decade, major players in the global automobile industry have been primarily located in developed countries such as China, the United States, Japan, India, Germany, and the United Kingdom. However, due to increasing demand for automobiles and auto parts in developing nations like China, Thailand, and India, companies have shifted their production facilities to these regions.
Reduced labor costs have further lowered production expenses, enabling manufacturers to meet the growing demand, which is expected to drive automobile sales in the forecast period. Additionally, global automobile production and sales have rebounded post-epidemic. For instance, global auto sales are projected to increase from an estimated 63.8 million vehicles in 2020 to around 66.7 million vehicles in 2021. Moreover, SUVs accounted for over 45% of global vehicle sales in 2021, contributing to the overall growth of car sales and consequently, the automotive glow plug industry.
The general macroeconomic environment is positive, with workforce and productivity on the rise. Demand for the automotive industry is increasing worldwide, especially in regions like Europe, Asia Pacific, the Middle East, and Africa. A better understanding of diesel engines compared to gasoline engines is a key factor driving this growth.
The automotive industry has witnessed significant growth over the last five years, expected to continue throughout the forecast period. Commercial vehicles find applications across sectors such as construction, transportation, and manufacturing, thereby driving demand in the automotive industry and consequently, for spark plugs and glow plugs.
The growth of the mining and construction sectors in both developed and developing countries is expected to contribute to overall economic growth. Additionally, rapid growth in the transportation and trade sectors, progress in infrastructure development, and an increase in recreational activities globally are anticipated to provide new opportunities for entrepreneurs.
Climate change concerns are prompting countries worldwide to take steps to reduce greenhouse gas emissions. Many nations are adopting electric vehicles (EVs) to achieve net zero emissions targets, leading to an increased global demand for EVs. Unlike traditional gasoline engines, EVs operate on clean energy and produce no emissions. The rising consumer interest in EVs is likely to hinder the growth of the automotive glow plug industry during the forecast period, given features such as their independence from gasoline and diesel. Therefore, the increasing demand for electric vehicles is the primary factor limiting the growth of the automotive glow plug industry.
Considering these global developments, the demand for the automotive industry is expected to increase in the coming years.
Production and sales in the vehicle market are expected to be the primary drivers of the market during the forecast period. However, since most new passenger cars sold in China are gasoline-powered, the demand for plug-in passenger cars is anticipated to remain sluggish throughout the forecast period.
Conversely, there has been an increase in demand for commercial vehicles, driven by the expanding logistics industry and the utilization of transportation vehicles such as pickup trucks, both from OEMs and aftermarkets. Consequently, the demand for automotive components integrated into the automotive lighting industry is expected to experience substantial growth during the forecast period.
In response to regulations mandating that light commercial vehicles (LCVs) adhere to weight limits, OEMs are compelled to concentrate on producing lightweight materials for such vehicles. Additionally, as the European e-commerce sector continues to expand, there is a growing need for integrated communications. Commercial vehicle sales are also on the rise due to the growth of e-commerce in the Asia-Pacific region as well as in Europe, leading to increased activity in the maritime, construction, and mining sectors.
Considering these developments, the demand for glow plugs is expected to increase in the future.
The electric motor business is governed by several key players, including DENSO Corporation, Niterra Co., Ltd., Robert Bosch GmbH, Tenneco Inc., BorgWarner Inc., and others. The expansion of production facilities and the introduction of lightweight engines are expected to drive business growth in the coming years.
For Instance,
Spark Plugs are devices that are fitted into the cylinder of an internal combustion engine to spark the air-fuel mixture. A Glow Plug is a heating device used to aid in starting diesel engines.
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