10-163 - Oil Cap O-Ring

The 10-163 Oil Cap O-Ring is a premium sealing gasket designed to fit under bolt-on oil caps (21-88) in trailer and equipment hydraulic reservoirs. Crafted from durable nitrile rubber, it provides a leak-proof seal to keep contaminants out and fluid in, ensuring reliable operation and easy maintenance. 

Features:

• Precision-molded nitrile rubber for excellent chemical and temperature resistance
• Ensures a tight, leak-prof seal under oil reservoir caps
• Resistant to hydraulic fluids, oils, and greases
• Flexible and durable for repeated cap removal and reinstallation
• Simple drop-in replacement-no tools required

Specifications:

• Part Number: 10-163
• Material: Nitrile Rubber
• Inside Diameter: 1.25" (1-1/4")
• Cross-Section Thickness: 0.125" (1/8")
• Temperature Range: -40°F to 250°F (-40°C to 121°C)
• Application: Seals bolt-on oil caps on hydraulic reservoirs, gearboxes, and pump housings
• Includes: (1) Oil Cap O-Ring

Fitment:

• Fits standard bolt-on oil caps with mating surface for a 1.25" ID Seal (21-88)
• Commonly used on trailer surge brake actuators and hydraulic pump reservoirs
• Verify your cap's inner recess dimensions to ensure correct fit