Related Knowledge:
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O-rings like 3J-1907 are ideal for static sealing at flanges, ports, and caps in excavators. 
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The right compound (NBR or FKM) ensures compatibility with hydraulic oil, temperature, and system pressure. 
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Replacing O-rings during every overhaul avoids hydraulic failure and fluid contamination. 
Related Products:
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5P-2568 O-ring seal 
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O-ring repair kits for CAT 320 
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Cylinder rod seal and wear rings 
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Excavator valve spool seal sets 
FAQs:
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Q: Can this O-ring be customized in color or hardness? 
 A: Yes, customization options (color, Shore A hardness) are available for large orders.
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Q: Is the 3J-1907 included in CAT cylinder rebuild kits? 
 A: Yes, it’s commonly included in OEM and aftermarket seal kits for CAT systems.
 
				







 
								 
								 
								 
								 
								 
								 
								 
								 
								 
								 
     
    