Stemco 348-4009 Sentinel Oil Hub Cap for Commercial Truck Trailers

The Stemco 348-4009 Sentinel Oil Hub Cap provides an unmatched filtering system to eliminate contamination from dirt, dust, sand and water, making it easy to visually monitor lubricant levels on commercial truck and trailer wheel ends. This genuine Stemco hub cap features a distinct red rubber plug making it easy to differentiate from lower-quality competitors.

Key Features:

• Provides a tamper-proof hub cap system for maximum protection and maintenance-free performance
• The only waterproof hub cap in the industry
• Strong aluminum casting with advanced window material
• Hubcap glass material withstands higher heat temperatures before discoloring or deforming
• Designed for tapered spindle (TN) trailer axle applications
• 6-bolt mounting configuration with 5.5-inch bolt circle

Specifications:

• Bolt Circle: 5.5 inches
• Bolt Size: 5/16 inch
• Number of Bolts: 6
• Gasket Number: 330-3009
• Oil Window Kit: 359-6112
• Grease Window Kit: 359-6120

Featuring an innovative design and durable construction, Sentinel hub caps help extend equipment life and increase profitability. Order OEM or retrofit in the aftermarket on a trailer, drive or steer axle. This Sentinel Oil hub cap is ideal for commercial trucking fleets seeking reliable wheel-end protection with easy visual oil level monitoring.