Engine Flush Market Report 2026

The engine flush market size has grown steadily in recent years. It will grow from $1.79 billion in 2025 to $1.87 billion in 2026 at a compound annual growth rate (CAGR) of 4.4%. The growth in the historic period can be attributed to increase in vehicle ownership, aging vehicle fleet, routine engine maintenance practices, lubricant market growth, automotive servicing expansion.

The engine flush market size is expected to see steady growth in the next few years. It will grow to $2.19 billion in 2030 at a compound annual growth rate (CAGR) of 4.1%. The growth in the forecast period can be attributed to demand for extended engine life, growth in vehicle aftermarket, efficiency-driven maintenance, cleaner engine standards, awareness of sludge-related damage. Major trends in the forecast period include growing demand for preventive engine maintenance, rising adoption of chemical cleaning solutions, expansion of automotive aftermarket services, focus on engine longevity, increased awareness of fuel efficiency.

Increased production of vehicles is anticipated to drive the growth of the engine flush market in the coming years. Vehicles include transportation modes powered by internal combustion engines as well as electric vehicles designed for carrying passengers and goods. The rise in vehicle production is supported by growing consumer demand, advancements in automotive manufacturing technologies, and the expansion of global markets. This growth is positively impacting the engine flush market by boosting the demand for products that improve engine maintenance and efficiency in automotive applications. For example, in May 2025, according to the European Automobile Manufacturers’ Association (ACEA), South American car production increased by 1.7% in 2024 compared to 2023, primarily driven by Brazil, which saw a 6.3% rise, producing around 1.9 million cars. At the same time, global bus production reached 362,005 units last year, a 10.3% increase from 2023. Thus, rising vehicle production is propelling the engine flush market.

Leading companies in the engine flush market are focusing on developing advanced solutions, such as one-shot engine flushes, to boost engine performance, minimize sludge and deposit accumulation, and extend overall engine life. One-shot engine flushes are oil-based additives designed to clean internal engine components - including sludge, soot, gum, rust, and varnish - prior to an oil change, restoring the lubrication system and optimizing engine efficiency. For instance, in June 2024, Silkolene, a UK-based lubricant company, launched a new Engine Flush additive engineered to thoroughly clean engine internals in a single treatment before draining old oil. The additive is designed for ease of use and effective maintenance, targeting multiple contaminants, improving fuel efficiency, and supporting long-term engine durability, enabling vehicle owners to maintain optimal engine health with minimal effort.

In March 2023, Aramco, a Saudi Arabia-based petroleum refineries company, acquired Valvoline Inc. to strategically enhance its global lubricants business. This acquisition aims to leverage Valvoline's established brand and extensive market presence in automotive lubricants, including engine oils and transmission fluids, to expand Aramco's downstream portfolio and strengthen relationships with original equipment manufacturers worldwide.

Major companies operating in the engine flush market report include ExxonMobil, Royal Dutch Shell, TotalEnergies (TTE), ENEOS Corporation, Petronas Lubricant International Sdn Bhd, Wurth Group, Wynn's, Fuchs Group, Ashland Inc., Berner AS (Berner Group Holding SE & Co. KG), Valvoline Inc., ZEP Inc., LIQUI MOLY GmbH, Amsoil Inc, Lucas Oil Products Inc., CRC Industries Inc., BG Products Inc., Penrite Oil Company, Motul, Millers Oils, BARDAHL Manufacturing Corporation, STP Products Company, BULLSONE Co. Ltd, Sea Foam Sales Company, International Lubricants Inc., Rymax Lubricants, Berryman Products Inc., Tec4 Lubricants Ltd, Royal Purple.

North America was the largest region in the engine flush market in 2025. Asia-Pacific is expected to be the fastest-growing region in the forecast period. The regions covered in the engine flush market report include Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in the engine flush market report include Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

The engine flush market consists of sales of engine flush fluids, engine cleaners, and engine oil. Values in this market are ‘factory gate’ values, that is the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified).

The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

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