Caterpillar 2385084 O-Ring Seal – FKM 90A, STOR 1-5/16-12

The Caterpillar 2385084 O-Ring Seal is designed for reliable sealing in high-pressure and high-temperature applications. This FKM rubber O-ring is commonly used with 1-5/16-12 straight thread O-ring (STOR) connections and offers excellent resistance to petroleum-based fuels, oils, lubricants, and other compatible fluids.

With a 90 Shore A hardness and a PTFE coating to help reduce installation damage, this seal is built for dependable performance in demanding Caterpillar engine and equipment applications.

Features & Benefits

• Genuine-style replacement for Caterpillar part 238-5084
• FKM/Viton-type sealing material
• 90 Shore A hardness
• Fits 1-5/16-12 STOR connections
• Suitable for high-pressure and high-temperature applications
• Resistant to air, fuel, lubricants, and petroleum-based fluids
• PTFE coating helps improve installation and reduce seal damage
• Cross-reference: PAI 321271

Specifications

• Inside Diameter: Approximately 1.171 in.
• Outside Diameter: Approximately 1.403 in.
• Cross Section: Approximately 0.116 in.
• SAE AS568 Dash Size: -916
• Material: FKM rubber
• Hardness: 90 Shore A
• Temperature Range: Approximately -40°F to 350°F
• Fitting Size: 1-5/16-12 STOR

Note: Verify fitment by part number, equipment serial number, and application before ordering. FKM seals are generally not recommended for applications involving engine coolant or water-based fluids. Specifications are supported by supplier listings for this Caterpillar part.