163-2478 Large Valve Stem Seal Set For CAT C9 Diesel Engine

• Product Name: C9 Large Valve Stem Seal Set
• Part Number: 163-2478
• Model: C9
• Name: Valve Stem Seal / Valve Oil Seal
• Features: High‑quality FKM rubber composite material, anti‑aging, oil‑resistant, wear‑resistant, prevent engine oil from entering combustion chamber
• Application: CAT C9 diesel engine, widely used for excavators, heavy‑duty construction machinery engine overhaul repair

163-2478 large valve stem seal set for CAT C9 engine is an important engine sealing part fitted on valve guide. It controls oil flow to valve stem, prevents excessive engine oil entering combustion chamber, avoids blue smoke exhaust and oil consumption.

Worn or damaged valve stem seals will lead to burning oil, blue smoke from exhaust, excessive oil consumption and carbon deposit buildup. This 163-2478 valve stem seal set is premium replacement for engine overhaul service.

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

Shipping: Sea freight, air freight and international express available. Goods will be arranged quickly once payment confirmed.

Taxes: All import duties and local taxes shall be borne by buyers. Please confirm local customs policy in advance.

Q: Which engine does this 163-2478 valve stem seal set fit?

A: This 163-2478 large valve stem seal set fits CAT C9 diesel engine.

Q: What symptoms indicate bad valve stem seals?

A: Blue smoke from exhaust pipe, high engine oil consumption, carbon accumulation on piston and valve.

Q: Do you provide other overhaul gaskets and seals for C9 engine?

A: Yes, we supply cylinder head gasket, full gasket kits and various oil seals for CAT C9 engine.