HA22147 Air Compressor Assembly for Yunnei 4102 Diesel Engine

Application: Exclusive fit for Yunnei 4102 naturally aspirated &amp; turbocharged diesel engines, widely used on JAC, Foton, Yuejin light trucks and small construction machinery; OEM part HA22147, fully interchangeable with original factory assembly.
Material: High-strength cast iron cylinder block, chrome-plated cylinder liner, forged alloy steel connecting rod, precision valve plate; cast aluminum cooling fin for rapid heat dissipation, whole-body anti-rust spray treatment.
Key Parameter: Single-cylinder piston structure; rated working pressure 0.8–1.2MPa, air displacement around 0.8m³/min at rated engine speed 2400rpm, built-in pressure regulating valve for automatic pressure control. Belt pulley integrated design for external belt drive installation.
Advantage: Strictly produced per OE standard, stable air output, low oil leakage &amp; low failure rate; excellent wear resistance adapting poor working condition of construction and cargo transport, direct replacement without modification.

This piston-type air compressor is original air pump matching Yunnei YN4102 series diesel engine (4102QB/4102QBZL/YN38), core air supply component of vehicle pneumatic brake system. Driven by engine crankshaft via belt, it compresses air into air reservoir to supply compressed air for service brake, parking brake and auxiliary air devices of light truck, small loader and agricultural vehicle.

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Weichai Engine Parts