Valve Stem Oil Seals for Mitsubishi S4E Diesel Engine

• Fluorine rubber construction, durable under high heat and engine oil exposure
• Precision size to fit valve stems tightly
• Reduces oil consumption and eliminates blue exhaust smoke caused by oil burning
• Reliable sealing for heavy‑duty construction equipment and excavators
• Suitable for complete engine overhaul

These valve stem oil seals are manufactured for Mitsubishi S4E diesel engine. They restrict engine oil from entering the combustion chamber, lowering oil burn and exhaust smoke.

We supply parts for Kubota, Cum mins, CAT, Perkins, Yanmar, Isuzu, Komatsu, Mitsubishi, Hino, Nissan, Vol vo, Deutz, Doosan, Daewoo, John De ere, Scania, Hyundai, JCB etc.

Shipping: Sea freight, air freight and international express are all available.

Tax Notice: All import duties and local destination taxes shall be borne by the buyer. Please verify local customs regulations in advance.

1. Q1: Which engine do these valve stem oil seals fit?

   A: They fit Mitsubishi S4E diesel engine.

2. Q2: What is the OEM part number?

   A: OEM part number is 30A04‑00100.

3. Q3: Installation suggestion?

   A: Replace all seals during overhaul, use special tool to avoid seal damage during installation.