O-ring 3F-1547 for CAT hydraulic systems
YNF16813 excavator seal-o-ring for static sealing
Black rubber O-ring 3F-1547 for fluid sealing
NBR O-ring seal for CAT machines
Excavator static O-ring for cylinder heads
FKM option O-ring 3F-1547 high-temp use
O-ring 3F-1547 for CAT hydraulic systems
YNF16813 excavator seal-o-ring for static sealing
Black rubber O-ring 3F-1547 for fluid sealing
NBR O-ring seal for CAT machines
Excavator static O-ring for cylinder heads
FKM option O-ring 3F-1547 high-temp use

Hydraulic O-Ring Seal 3F-1547 for CAT Excavators YNF16813

3F-1547 O-ring for CAT excavator hydraulic sealing applications.

  • Matches OEM part 3F-1547, suitable for Caterpillar and similar machines

  • Made with durable NBR or FKM rubber, resistant to oil, pressure, and heat

  • Ensures tight static sealing for hydraulic pumps, cylinders, and valves

  • Precision-engineered to fit OEM housing grooves with zero leakage

  • Available in bulk packaging for distributors and repair centers

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O-Ring Seal Description

YNF16813, the O-ring seal corresponding to OEM number 3F-1547, is widely used in excavator hydraulic systems for reliable sealing of static and low-speed dynamic components. Made from premium elastomers such as NBR or optional FKM, it delivers outstanding resistance to hydraulic fluids, heat, and compression deformation. This O-ring is ideal for pumps, cylinders, valve blocks, and various hydraulic connection points, particularly on CAT machines. It is a core consumable for aftermarket maintenance, sealing kits, and professional hydraulic repairs.

O-Ring Seal Technical Sheet

Item Details
YNF Code YNF16813
OEM Part Number 3F-1547
Product Name Seal-O-Ring
Material NBR (Standard), FKM (Optional)
Cross Section Shape Round section
Application Area Hydraulic sealing – static use
Temperature Resistance -30°C to +200°C
Pressure Rating Up to 40 MPa
Compatibility CAT, Komatsu, Volvo, Doosan
MOQ 100 pcs
Origin China
Packaging Individual bag / bulk carton
Shipping Options Express, Air, Sea freight
Payment Terms T/T, Western Union, L/C

O-Ring Seal Applications

Application Component Use Description
Hydraulic Pumps Static shaft and flange sealing
Cylinder End Covers Seal between rod and cap interfaces
Control Valves Oil leak prevention at control ports
Hydraulic Manifolds O-ring sealing of internal fluid passages
Parts Distributors Packaged for retail or B2B service stock

O-Ring 3F-1547 Seal Detail Display

FAQs

Related Knowledge:

  • O-rings are essential for static sealing in hydraulic systems, preventing oil loss and pressure drops.

  • NBR offers excellent oil resistance, while FKM handles higher temperatures and aggressive fluids.

  • Replacing worn O-rings during each maintenance cycle reduces long-term costs.

Related Products:

  • Seal-O-Ring 8T-6404 for CAT

  • Excavator hydraulic seal kits

  • Piston seals and dust wipers

  • O-ring kits for CAT and Komatsu machines

FAQs:

  • Q: Can this O-ring be shipped with other parts in one order?
    A: Yes, we consolidate shipments to save freight for our B2B clients.

  • Q: How long does an NBR O-ring last in standard use?
    A: Typically 2–5 years depending on fluid, temperature, and usage conditions.

Request a Quote for O-Ring 3F-1547

Searching for a dependable O-ring for your CAT hydraulic systems? YNF16813 (3F-1547) offers premium material, consistent performance, and OEM-level fit. Ideal for service shops and distributors seeking bulk, high-quality sealing solutions. Inquire now for technical assistance and competitive prices from YNF Machinery.

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