This plastic oil/grease cap is designed for threaded oil bath hubs rated from 6,000 to 8,000 lbs. With a 2-7/8" outer thread diameter, it offers wide compatibility across Dexter and other trailer hub systems, including older 9K axles. The cap is ideal for maintaining proper lubrication in oil bath configurations and includes a rubber plug and O-ring for a complete installation.

Detailed Information:

Fitting:

Compatible with Dexter drums such as 8-219, 8-232, 8-285, and 8-286. Replaces Dexter oil caps #23-29 and #21-35. Also fits certain 9K axles manufactured before October 1, 1989. Designed for screw-in installation on oil bath hubs with 2.875" threads.

Features:

• Wide Compatibility: Fits a range of Dexter and other hub models for 6K–8K axle systems.
• Lightweight and Durable: Constructed from tough plastic to withstand exposure to oil, heat, and road debris.
• Complete Setup: Includes rubber plug and O-ring for a secure, leak-resistant seal.
• Easy Maintenance: Rubber access port allows convenient lubrication checks and refills.

Interchangeable Part Numbers:

• OC-86580-268
• 8-219
• 8-232
• 8-285
• 8-286

Product Overview:

This 2.875" threaded plastic grease/oil cap is a reliable replacement solution for Dexter-style oil bath hubs. Whether you're maintaining a 6K, 7K, 8K, or pre-1989 9K axle, this cap ensures proper sealing and lubrication to extend the life of your hub components.