C9 Rear Crankshaft Oil Seal 7C1728 For CAT iesel Engine

• Product Name: C9 Rear Crankshaft Oil Seal
• Part Number: 7C1728
• Name: Rear Crankshaft Oil Seal / Rear Main Oil Seal
• Features: Flange metal housing structure, multi‑layer composite sealing lip, high temperature resistance, wear‑resistant, excellent dust‑proof performance
• Application: CAT C9 diesel engine, excavator, engineering machinery

C9 rear crankshaft oil seal 7C1728 is a critical sealing spare part for CAT C9 engine overhaul. It is installed at crankshaft rear end to prevent engine oil leakage and block dust and impurities from entering engine interior.

Adopts heavy‑duty flange metal shell with composite multi‑layer sealing lip, stably performs under high‑temperature, high‑load and vibration working conditions. Good oil‑resistant and anti‑aging properties extend service life. Manufactured according to OEM standard for direct replacement.

We supply a complete range of turbochargers and engine spare parts compatible with Cum mins, CAT, Vol vo, Isuzu, Hino, Komatsu, JCB, Scania, Ford, Mercedes‑Benz, Toyota, Nissan, Hyundai, Doosan and other mainstream engine brands.