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{"title":"Heat Resistant Large Rubber O Rings , Black Fuel O Rings 101*3.55 High Strength","imgUrl":"https:\/\/img.chinax.com\/nimg\/0b\/a6\/db74839a0b16caf428c954754689-200x200-1\/heat_resistant_large_rubber_o_rings_2c_black_fuel_o_rings_101_2a3_55_high_strength.jpg","attrs":{"Certification":"ISO-9001:2000, ISOTS16949","Place of Origin":"Qingdao, China","Minimum Order Quantity":"500 USD","Payment Terms":"L\/C, T\/T"}}
{"title":"Hydraulic Valve O Rings , Small Cross Section Hnbr \/ EPDM O Ring Oil Seal","imgUrl":"https:\/\/img.chinax.com\/nimg\/33\/07\/adbde1070d11b8bb09652a4fb347-200x200-1\/hydraulic_valve_o_rings_2c_small_cross_section_hnbr_2f_epdm_o_ring_oil_seal.jpg","attrs":{"Certification":"ISO-9001:2000, ISOTS16949","Place of Origin":"Qingdao, China","Minimum Order Quantity":"500 USD","Payment Terms":"L\/C, T\/T"}}
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{"title":"Large Cross Section Hydraulic Cylinder O Rings , High Pressure O Rings","imgUrl":"https:\/\/img.chinax.com\/nimg\/59\/03\/55448ce3ecf254728126464369e3-200x200-1\/large_cross_section_hydraulic_cylinder_o_rings_2c_high_pressure_o_rings_nonstandard.jpg","attrs":{"Certification":"ISO-9001:2000, ISOTS16949","Place of Origin":"Qingdao, China","Minimum Order Quantity":"500 USD","Delivery Time":"30 days"}}
{"title":"Colored FKM Miniature O Ring Seal For Industrial Machine Circular Shape","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/45\/8bfe2b00389aa5d38c9785b42bf5-200x200-1\/colored_fkm_miniature_o_ring_seal_for_industrial_machine_circular_shape.jpg","attrs":{"Certification":"ISO-9001:2000, ISOTS16949","Place of Origin":"Qingdao, China","Minimum Order Quantity":"500 USD","Payment Terms":"L\/C, T\/T"}}
{"title":"Rubber Rectangular O Ring Seal \/ 2 Inch O Ring Gasket Oil \/ Dust Resistant","imgUrl":"https:\/\/img.chinax.com\/nimg\/82\/5d\/4c0afaf373fa2ec65b6afa18bb53-200x200-1\/rubber_rectangular_o_ring_seal_2f_2_inch_o_ring_gasket_oil_2f_dust_resistant.jpg","attrs":{"Certification":"ISO-9001:2000, ISOTS16949","Place of Origin":"Qingdao, China","Minimum Order Quantity":"500 USD","Delivery Time":"30 days"}}
FKM75 O-Ring | 31.42*2.62mm High-Temp O Ring Seal | FKM Replacement Seal
Product Description
This replacement O-ring, sized 31.42×2.62mm, is crafted from premium FKM75 (Viton) rubber for high-performance sealing in extreme environments. Engineered as a direct OEM replacement part, it delivers exceptional resistance to temperatures ranging from -20°C to 200°C, as well as aggressive chemicals, petroleum-based oils, and hydraulic fluids. The black, precision-molded circular cross-section ensures a perfect fit in standard seal grooves, creating a reliable leak-proof barrier for industrial machinery, hydraulic systems, and automotive engine components. Its FKM75 material offers superior anti-aging, ozone resistance, and compression set performance, ensuring long-term durability and consistent sealing for critical applications requiring OEM-matched precision.
TECHNICAL PARAMETERS
Category
Details
Product Name
FKM75 O-Ring
Part Number
X3872-066
Material
FKM75 (Viton), black
Color
Black
Core Functions
High-temperature sealing, chemical resistance, oil resistance, leak prevention
Design Feature
Standard circular cross-section, precision-molded for OEM replacement
OEM Direct Replacement: Exact match for the X3872-066 part number, ensuring seamless compatibility and no modification needed for installation.
Superior FKM75 Performance: Withstands 200°C high temperatures and corrosive media, outperforming NBR in harsh chemical and high-heat environments.
Precision Molded: Strict dimensional control (31.42×2.62mm) guarantees a tight seal fit, reducing leakage risks and improving system reliability.
Long Service Life: Resists compression set, oxidation, and ozone aging, extending service life by 2–3 times compared to standard rubber O-rings.
Versatile Compatibility: Suitable for industrial hydraulic systems, automotive engines, and various OEM equipment requiring high-grade sealing.
Applications:
Serves as a direct replacement seal for X3872-066 specified equipment, restoring sealing integrity and avoiding costly component replacement.
Seals hydraulic system cylinders and valves, preventing fluid leakage and maintaining pressure stability in industrial machinery.
Provides high-temperature sealing for automotive engine turbochargers and fuel systems, resisting oil degradation and heat damage.
Blocks corrosive chemical media in industrial pipelines and reactors, ensuring safe and leak-free operation.
Seals static and dynamic mating surfaces in heavy-duty equipment, adapting to vibration and pressure fluctuations without performance loss.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1976
Employee Number:
401~500
Ecer Certification：
Verified Supplier
Company presentation
Qingdao Global Sealing-tec co., Ltd, (Established on the basic of the International Trade Dept. of Qingdao TKS SealingIndustry Co., Ltd). TKS is a leading specialized manufacturer of rubber and plastic sealing products, such as oil seals, valve stem oil seals, PTFE oi... Company presentation
Qingdao Global Sealing-tec co., Ltd, (Established on the basic of the International Trade Dept. of Qingdao TKS SealingIndustry Co., Ltd). TKS is a leading specialized manufacturer of rubber and plastic sealing products, such as oil seals, valve stem oil seals, PTFE oi...
