- -44%Air Filter 131-8822 and 131-8821 for Caterpillar CP-573E CP-663E CS-531D CS-533D CS-563D CS-563ESpecial Price $21.17 Original Price $38.10 Save:$16.93(-44% OFF)Save $16.93(-44%)
The engine air intake system is responsible for supplying the engine with as much combustible mixture or fresh air as possible to each cylinder to ensure continuous engine operation. The engine exhaust system is responsible for transporting the combustion exhaust gas. Engine air intake and exhaust system directly affects the engine's power, economy and emissions performance. The diesel engine air intake and exhaust system parts and components always include intake and exhaust manifolds, turbocharging, air compressor, etc.
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