Hyundai Solati 2023 Exhaust Valve: 222114A061

Hyundai Solati 2023 Exhaust Valve: 222114A061

Genuine Hyundai Solati Valve

This Hyundai Solati 2023 exhaust valve (part number: 222114A061) is a genuine MOBIS part, manufactured in South Korea. It’s guaranteed to be 100% new and offers the best price available.

Exhaust Valve Function

The exhaust valve controls the release of exhaust gases from the combustion chamber into the exhaust system. During the exhaust stroke, the valve opens, allowing burnt gases to escape. It then closes to prevent backflow into the combustion chamber during the intake stroke. As the piston moves from top dead center to bottom dead center, the burnt gases are expelled through the exhaust port. The exhaust valve rises, while the intake valve closes. This opening and closing cycle is precisely controlled by the camshaft.

Intake Valve Function

In most modern internal combustion engines, the intake valve controls the flow of the air-fuel mixture from the intake system into the combustion chamber. When open, this mixture is drawn into the chamber during the intake stroke. The exhaust valve must open early to ensure complete exhaust gas expulsion. As the piston moves down, cylinder pressure decreases; however, some pressure remains. Delayed exhaust valve opening traps these gases, reducing engine efficiency.

Valve Temperature and Size Differences

Exhaust valves experience significantly higher temperatures (up to 1500°C) than intake valves during the exhaust stroke, causing greater expansion. Insufficient thermal clearance can lead to sticking, allowing exhaust gases to leak back into the combustion chamber. Intake valves require a larger intake port area than exhaust valves. During the intake stroke, the downward-moving piston creates a small negative pressure (less than 1 atm). A larger port area ensures efficient air-fuel mixture intake. Excessive thermal clearance in the intake valve reduces this area, diminishing intake efficiency.

Valve Components and Function

The automotive engine valve is a crucial component of the engine’s valve train, playing a key role in combustion by controlling the timing and flow of the air-fuel mixture in the combustion chamber. It opens and closes the intake and exhaust ports. The valve head (also called the valve mushroom) has a flat, convex, or concave design and is responsible for opening and closing the intake and exhaust ports within the combustion chamber.

The valve stem, a solid cylindrical component, guides valve movement, ensuring proper sealing between the valve seat and face. The valve guide, a hollow cylindrical sleeve surrounding the stem, maintains valve alignment and facilitates smooth linear movement within the engine block. For improved heat dissipation, some valves have hollow stems filled with sodium (50-60% of volume). Sodium’s low melting point (97-99°C) allows it to liquefy when the valve heats up, transferring heat from the valve head through the stem and into the valve guide.

The valve tail connects the valve spring, its design varying depending on spring retainer attachment methods (cone or ring groove). The valve spring exerts a downward force to keep the valve closed during compression and exhaust strokes. The valve seat, located in the cylinder head or cylinder block, seals the combustion chamber during valve movement, maintaining optimal combustion pressure.

Compatible Vehicles

• HYUNDAI SOLATI 2018-2023
• HYUNDAI MIGHTY EX8 2018-2023
• HYUNDAI STAREX 2008-2016
• KIA SORENTO 2006-2008
• HYUNDAI PORTER 2 2008-2019
• KIA BONGO 3 2006-2019

SONHAI Auto Warranty Policy

• 100% genuine parts with clear origin
• Listed prices and real product photos
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• 7-day return policy for unopened, uninstalled parts with original tags and packaging

SONHAI Auto Contact Information

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