Product Attributes
Product Name: Cylinder Liner O‑Ring Seal Set
Fit Engine: Komatsu DA640
Condition: 100% Brand New, direct‑fit replacement
Material: High temperature resistant silicone rubber
Key Advantages
- Excellent heat‑resistant and coolant‑resistant silicone rubber material
- Stable sealing performance under long‑time high‑temperature working environment
- Effectively prevent coolant leakage between cylinder liner and engine block
- Precise dimension for perfect fit on DA640 cylinder liner groove
- Essential sealing spare parts for cylinder liner installation and engine overhaul
Product Description
This cylinder liner O‑ring seal set is designed for Komatsu DA640 diesel engine. These red silicone O‑rings are installed on cylinder liner lower position to seal cooling water passage, avoid coolant leaking into crankcase. Widely used for heavy‑duty excavators, bulldozers, mining machinery and generator‑set overhaul repair.
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.
FAQ
Q1: Which engine fits this cylinder liner O‑ring seal set?
A: It fits Komatsu DA640 diesel engine.
Q2: What are the failure signs of aging liner O‑rings?
A: Coolant leakage outside block, coolant mixing with engine oil, continuous loss of cooling liquid.
Q3: Installation tips?
A: Replace O‑rings when pulling out cylinder liner, avoid sharp scratch during assembly, lubricate with coolant before fitting.
Manufacturer Supported Models
John Deer e: 4045,6068,6100,6125,6135,5030
Hyundai: D4AF,D4AE,D6CA,D6AC,D6BR,D4BB
Perkins: 1004‑40,1004‑42,1006‑6T,1104‑44,1106‑60,1106‑66
Vol vo: D12,D13,D16,D9,D7E,D6E
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