"1203120le057"
1203120LE057 Exhaust Brake Valve Engine Exhaust Brake Butterfly Valve Replacement For HFCN721 JAC Light Truck Exhaust System Parts
Product Introduction 1203120LE057 Exhaust Brake Valve is an auxiliary braking component fitted to the exhaust pipeline of HFCN721 light trucks. When activated, its internal butterfly plate closes the exhaust passage to build back pressure inside the cylinder, creating engine resistance to slow down ...