Oil seal

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About Oil seal

Oil Seals for Heavy Equipment and Machinery

Find replacement oil seals for heavy equipment, hydraulic systems, engines, and industrial machinery at Fab Heavy Parts. Oil seals help retain lubricating oil or other fluids around rotating shafts and help limit contamination from dust and debris. Selecting the correct seal is important for reducing leakage and maintaining the performance of the assembly it serves.

This collection includes oil seals and seal kits for selected excavators, loaders, hydraulic pumps, swing drives, travel motors, and air compressors. It also includes related products such as oil seal installation tools.

Hydraulic Pump, Swing Drive, and Travel Motor Oil Seals

Explore oil seals for selected hydraulic pumps and rotating drive assemblies. Examples in the collection include Caterpillar swing drive oil seal 128-9170, Case hydraulic pump oil seal LE018730, and a travel motor oil seal kit for the Komatsu PC120-6E. Each listing specifies its own application, so these products should not be treated as interchangeable. 

When replacing a seal, inspect the sealing surface and related components for wear or damage. A new seal may not resolve recurring leakage if the shaft, housing, bearing, or other mating surface is damaged.

Engine and Air Compressor Oil Seals

The collection also includes oil seals for engine-related applications and industrial air compressors. For example, oil seal 1616754800 is listed for Atlas Copco GA7 and GA11 air compressors. Other listings cover crankshaft oil seal applications and compressor components. Check the individual product details to confirm the intended equipment and part number. 

How to Identify the Correct Replacement Oil Seal

Start with the part number on the original seal whenever possible. Also compare the machine or engine model, application, and listed dimensions. Seal type, inner and outer diameters, width, material, and operating conditions can all affect suitability; similar-looking seals are not necessarily compatible.

If you cannot find a matching listing, request a quote with the original part number and equipment details to help identify the appropriate replacement.

Need Help Finding Oil seal?

Can't find the replacement part you need? Send FAB Heavy Parts your part number, engine model, or equipment details. Our team can help review your requirements and provide a quotation.

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Frequently Asked Questions

What types of oil seals are available in this collection?

The collection includes oil seals for selected hydraulic pumps, swing drives, travel motors, engines, and air compressors. It also includes some oil seal kits and related installation tools. Check individual listings for the exact product type and application.

How do I find the correct oil seal for my machine?

Use the original part number as your first reference. Then compare the equipment make, model, assembly, and any listed dimensions. If the original part number is unavailable, provide the machine identification details and measurements when requesting assistance.

Can I use the same oil seal on different equipment models?

Only if the product listing or reliable parts documentation confirms compatibility. A seal may fit multiple models, but the same manufacturer or similar model designation does not guarantee that the dimensions and sealing requirements match.

What is the difference between an oil seal and a floating seal?

An oil seal is a broad term for a component that helps retain fluid and prevent contamination, often around a rotating shaft. A floating seal is a specific sealing design commonly used in heavy-duty rotating assemblies such as final drives. The two terms should not be treated as interchangeable when selecting a replacement.

What should I check when replacing an oil seal?

Confirm the replacement part number and dimensions, inspect the shaft and housing for wear, and follow the equipment manufacturer's installation instructions. Incorrect installation, damaged mating surfaces, or unsuitable operating conditions can cause a replacement seal to leak prematurely.

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