10-45 - Oil Cap O-Ring

The 10-45 Oil Cap O-Ring is a precision-molded sealing gasket designed to fit under bolt-on oil caps in hydraulic reservoirs and gear housings. Made from durable nitrile rubber, it provides a reliable, leak-proof seal to keep contaminants out and fluids in, ensuring optimal performance and easy maintenance of your trailer or equipment.

Features:

• Precision-molded nitrile rubber for excellent chemical and temperature resistance
• Creates a tight, leak-proof 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: 10-45
• Material: Nitrile (Buna-N) rubber
• Inside Diameter (ID): 1.500" (1 1/2″)
• 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 a 1.500" ID sealing surface
• Commonly used on trailer surge brake actuators, hydraulic pump reservoirs, and gearbox fill caps
• Verify your cap’s inner recess dimensions to ensure correct fit
• Fits 21-35 Oil Caps