247-8974 2478974 Cylinder Seal Kit for Caterpillar Excavator 320D

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Product Description 247-8974 2478974 Cylinder Seal Kit for Caterpillar Excavator 320D OE 247-8974 2478974 Certificate ISO9001/Ts16949 Color Customer Required Packaging Plastic Bag + Carton Box Advantage Factory Direct Sale Place of Origin Hebei,China Product Catalog Click here to download It's a complete set of all the sealing components needed to rebuild a hydraulic cylinder. Instead of ordering individual parts, you get a kit that typically includes: Piston Seals: The primary seal preventing fluid from passing the piston, creating pressure. Rod Seals/Bearing Seals: Critical seals that keep fluid in and contaminants out. Wiper/Scraper Seals: Keep dirt, mud, and debris from entering the cylinder. Wear Bands/Guidance Bands: Support the piston and rod, preventing metal-on-metal contact. O-Rings, Back-up Rings, Gaskets: For static sealing at ports, end caps, and between gland components. Optional: Sometimes includes the gland (end cap), piston, or thread locker. An oil seal (also known as a shaft seal, lip seal, or technically a radial shaft seal) is a simple but vital device designed to: Retain lubricant (oil, grease, or fluid) inside a housing or sump. Exclude contaminants (dirt, dust, water, grit) from entering the housing. Separate fluids (e.g., keeping oil and fuel apart). Maintain pressure in some applications. 247-8974 2478974 Cylinder Seal Kit for Caterpillar Excavator 320D KDIK OEM LIST FOR REFERENCE OEM SIZE Description 991-00012 Rod Size:(60.00 mm) Bore Size:(100.00mm) 60x100mm JCB Replacement Seal Kit w/5pc Piston Seal w/SM 3pc Rd Seal 991-00013 Rod Size:(50.00 mm) Bore Size:(90.00 mm) 50x90mm JCB Replacement Seal Kit w/5pc Piston Seal w/SM 3pc Rd Seal 991-00014 Rod Size:(60.00 mm) Bore Size:(110.00mm) 60x110mm JCB Replacement Seal Kit w/5pc Piston Seal w/SM 3pc Rd Seal 991-00015 Rod Size:(40.00 mm) Bore Size:(70.00 mm) 40x70mm JCB Replacement Seal Kit w/5pc Piston Seal w/SM 3pc Rd Seal 991-00016 Rod Size:(50.00 mm) Bore Size:(80.00 mm) 50x80mm JCB Replacement Seal Kit w/5pc Piston Seal w/SM 3pc Rd Seal 991-00017 Rod, 30 mm ; Bore, 60 mm 30x60mm JCB Replacement Seal Kit 991-00018 Rod Size:(N/A) Bore Size:(110.00 mm) 110 Piston JCB Replacement Seal Kit w/Single Acting Piston Seal 991-00021 Rod, 30 mm ; Bore, 60 mm 30x60mm JCB Replacement Seal Kit w/5pc DAS Piston Seal W/U-Cup 991-00025