A hydraulic lash adjuster is also known as hydraulic valve lifter or hydraulic lash adjuster. The main function of a hydraulic lash adjuster is to maintain zero valve tolerance in an engine. The hydraulic lash adjuster is placed between the camshaft and each valve of an engine. It is design to compensate for close tolerance, allowing the valve train to operate with zero clearance. It provides several advantages such as quieter operation of the engine, longer engine life, and elimination of the need to constantly adjust the valve clearance. Generally, a knocking sound is heard when the engine is started if the hydraulic lash adjuster is not functioning properly. Manufacturers are shifting toward electrical vehicles owing to stringent environmental policies and increase in demand for better fuel efficiency. These factors are estimated to replace 50% to 60% of diesel and petrol engines in the next 20 to 30 years. These factors are anticipated to hamper the automotive hydraulic lash adjuster market.

The automotive hydraulic lash adjuster market can be segmented based on type, material, vehicle, sales channel, and region. Based on type, the automotive hydraulic lash adjuster market can be segregated into solid tappet, hydraulic lash adjuster, and roller tappet. Currently, a hydraulic lash adjuster used mostly in all types of engines. It is very simple in design.  It uses engine oil as a working fluid. The advantage of using a hydraulic lash adjuster is it absorbs the initial shock by using engine oil and reduces the rocker arm adjustment. The hydraulic lash adjuster segment is expected to dominate the market during the forecast period due to its several advantages.

Based on material, the automotive hydraulic lash adjuster market can be segmented into high grade cast iron and tool steel. Most hydraulic lash adjuster are manufactured by using high grade cast iron, which offers more durability. Tool steel is also used for manufacturing hydraulic lash adjuster; however, for tool steel, a special coating is require to prevent micro welding between to mating parts.

Based on vehicle, the automotive hydraulic lash adjuster market can be segmented into passenger vehicle and commercial vehicle. The passenger vehicle segment is expected to hold a major share of the market during the forecast period due to the rising demand for passenger vehicles across the globe. Automobile manufacturers are improving engine performance by using hydraulic lash adjuster. Furthermore, companies are working on reducing noise of engines by using appropriate hydraulic lash adjuster.

Based on sales channel, the automotive hydraulic lash adjuster market categorized into, OEMs and aftermarket. There are few big OEMs manufacturing hydraulic lash adjuster. Most consumers prefer local manufacturers in order to replace hydraulic lash adjuster, which reduces the replacement cost. The aftermarket segment is expected to dominate the market during the forecast period.

Based on region, the automotive hydraulic lash adjuster market can be segmented into North America, Europe, Middle East & Africa, and Asia Pacific. Asia Pacific is expected to hold a significant share of the market during the forecast period due to the expanding automotive industry especially in China, Japan, and India. Several government policies of countries in Asia Pacific are boosting the automotive industry in the region.

Key players operating in the automotive hydraulic lash adjuster market are Schaeffler Technologies AG & Co., Eaton, OTICS Corporation, GT Technologies, BLE products, LuK GmbH & Co. KG, and Young shin Automotive co.ltd.

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