Valve Stem Oil Seals for Cummin s M11 Electronic Diesel Engine

Product Attributes

Product Name:

Valve Stem Oil Seal

Fit Engine:

Cum mins M11 Electronic (ISM11, QSM11)

Part Number:

4003966, 3328781

Condition:

100% Brand New, direct‑fit replacement

Material:

Fluorine rubber

Key Advantages

• Fluorine rubber material, resistant to high temperature, engine oil and aging
• Precision dimension for tight fit on valve stem
• Effectively reduce oil consumption and blue smoke caused by burning oil
• Stable sealing performance for heavy-duty trucks and construction machinery
• Suitable for complete engine overhaul

Product Description

These valve stem oil seals are designed for Cu mmins M11 electronic diesel engine, also compatible with ISM11 and QSM11. They prevent lubricating oil from entering the combustion chamber, reduce oil burn and exhaust smoke, and extend engine service life.

We supply parts for Kubota, Cumm ins, CAT, Perkins, Yanmar, Isuzu, Komatsu, Mitsubishi, Hino, Nissan, Vo lvo, 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.

FAQ

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

A: They fit Cum mins M11 electronic engine, compatible with ISM11 and QSM11.

Q2: What are the OEM part numbers?

A: OEM part numbers are 4003966 and 3328781.

Q3: Installation suggestion?

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

Manufacturer Supported Models

• Komatsu: 4D95, 4D102, 6D107, 6D125, 6D140, 6D170
• CAT: C7, C9, C13, C15, 3306, 3406E
• Yanmar: 2TNE68, 3TNE74, 3TNV72, 4TNV84, 4TNV88
• Isuzu: 4JG1, 4LE2, 4BD1, 4HK1, 6BG1, 6HK1