Valve Stem Oil Seals for Mitsubishi 4D56U Diesel Engine

Product Name:

Valve Stem Oil Seal

Fit Engine:

Mitsubishi 4D56U

Part Number:

MD307320

Condition:

100% Brand New, direct‑fit replacement

Material:

Fluorine rubber

• 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 4D56U 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, Volv o, Deutz, Doosan, Daewoo, John Dee re, 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.

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

A: They fit Mitsubishi 4D56U diesel engine.

Q2: What is the OEM part number?

A: OEM part number is MD307320.

Q3: Installation suggestion?

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

• Cumm ins: NT855, K19, K38, QSK19, QSM11, QSX15
• Deutz: BF4M1012, BF6M1012, BF4L913, BF6L913, F4L912, F6L912
• Hino: J05E, J08E, P11C, E13C, W04D, H07D
• Yanmar: 2TNE68, 3TNE74, 3TNV72, 4TNV84, 4TNV88