This Manifold is supplied for Caterpillar 318C, 319C, 320C, 320D, 321C, 321D. It can be matched by replacement part numbers including 178-6552; CA178-6552; 1786552; CAT 3066 C6.4 178-6552; 318C; 319C; 320C; 320D; 321C 323D; 3066 C6; 321C; 323D. Please send your part number, engine model, machine model or product photo before ordering so we can confirm fitment, availability and delivery time. Guangzhou Zhenghong Construction Machinery Parts Co., Ltd. supports global dealers, repair shops and construction machinery maintenance buyers with inquiry-based excavator spare parts supply.
Replacement part numbers: 178-6552; CA178-6552; 1786552; CAT 3066 C6.4 178-6552; 318C; 319C; 320C; 320D; 321C 323D; 3066 C6; 321C; 323D
Applicable models / engines: 318C, 319C, 320C, 320D, 321C, 321D
Brand application: Caterpillar
Send us your part number, engine model or machine model before ordering so we can confirm fitment and availability.





