Valve Stem Oil Seals for Yanmar 3TN75 Diesel Engine

Product Attributes

• Product Name: Valve Stem Oil Seal
• Fit Engine: Yanmar 3TN75
• Part Number: 121420‑11340
• Condition: 100% Brand New, direct‑fit replacement
• Material: Fluorine rubber

Key Advantages

• 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

Product Description

These valve stem oil seals are manufactured for Yanmar 3TN75 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, Vo lvo, 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.

FAQ

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

A: They fit Yanmar 3TN75 diesel engine.

Q2: What is the OEM part number?

A: OEM part number is 121420‑11340.

Q3: Installation suggestion?

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

Manufacturer Supported Models

• Doosan: D24, D34, D1146, D2366, DB58, DE08
• Cummi ns: B3.3, QSB3.3, 4BT3.9, 6BT5.9, QSL9, QSM11
• Komatsu: 3D82, 3D84, 4D84, 4D88, 4D94, 4D98
• Mitsubishi: S3L, S4S, 4D31, 4D32, 6D31, 6D34