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NINGBO HUAN LING SEALING TECHNOLOGY CO., LTD.

SNIEC N3.831

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O-Ring Kits for Cat Excavator 2701528 4c4782 Replacement, Rubber, 5.8e+2 Count

Product Category: Gaskets & Seals

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Product Introduction

Material and Performance Positioning: The O-rings in the kit are primarily made of Nitrile 90 (NBR 90, Shore A 90), with some made of high-temperature oil-resistant materials. Compared to standard 70-durometer Buna-N, the 90 Shore A hardness offers superior extrusion and tear resistance in high-pressure hydraulic systems (such as excavators and construction machinery). Specification Coverage (32 sizes, 580 pieces): Includes 32 commonly used CAT specifications such as 4J0527, 4J7520, 4J0524, and 3J1907, repair of medium-to-large hydraulic fittings and seals. Professional Accessory Details: The kit comes with a dedicated O-ring pick for damage-free extraction during maintenance. Physical Specifications: A yellow plastic compartmentalized storage case, weighing approximately 3.5 lbs (about 1.6 kg) in total, with dimensions of roughly 39×30×6.5 cm. It is durable enough to withstand workshop or job site environments. Precise Application: Widely suitable for on-site repairs of Caterpillar C-series diesel engines, construction machinery hydraulic systems, heavy-duty trucks, and agricultural machinery.

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International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines and Construction Vehicles

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