85373828 - Premium 4" Threaded Aluminum Oil Bath Dust Cap with Clear Lens – 10K–16K Axles | LPT

85373828 - Premium 4" Threaded Aluminum Oil Bath Dust Cap with Clear Lens – 10K–16K Axles | LPT
The Lippert 85373828 Premium Threaded Dust Cap is a heavy-duty oil bath hub cap designed for 10,000–16,000 lb trailer axles with a 4" thread diameter. Constructed from die-cast aluminum alloy with a clear anodized finish, this premium cap provides durable protection against dust, moisture, and road debris while allowing convenient visual inspection and servicing of the hub lubricant.
Detailed Information:
| Product Type | Threaded Oil Bath Dust Cap |
|---|---|
| Brand | Lippert |
| Part Number | 85373828 |
| Axle Compatibility | 10,000–16,000 lbs |
| Thread Diameter | 4" |
| Lubrication Type | Oil Bath |
| Body Material | Die-Cast Aluminum Alloy |
| Finish | Clear Anodized |
| Lens | Clear Oil-Level Inspection Lens |
| Seal | Watertight O-Ring & Rubber Plug |
Fitting:
Designed for compatible 10,000–16,000 lb trailer axle hubs with a 4" threaded hub cap opening and oil bath lubrication system. Machined threads provide an OEM-style fit for compatible Lippert wheel-end assemblies. Verify thread diameter and hub configuration before installation.
Features:
- Heavy-Duty Axle Compatibility: Designed for compatible 10K–16K trailer axle applications.
- 4" Machined Threads: Provides a precise OEM-style fit and easy threaded installation.
- Die-Cast Aluminum Construction: Provides excellent durability and resistance to demanding road conditions.
- Clear Anodized Finish: Helps protect the aluminum body against corrosion and environmental exposure.
- Clear Inspection Lens: Allows quick visual inspection of the hub oil level without removing the cap.
- Side Fill & Drain Port: Allows lubricant to be added or drained without removing the entire hub cap.
- Magnetic Vent Plug: Attracts metal particles in the lubricant, helping identify potential wheel-end wear before it becomes critical.
- Watertight Seal: Includes an O-ring and rubber plug to help prevent moisture and contaminants from entering the hub.
- Oil Bath Application: Specifically designed for wheel ends utilizing oil lubrication.
Product Overview:
The Lippert 85373828 Premium 4" Threaded Oil Bath Dust Cap provides a durable and service-friendly solution for heavy-duty 10,000–16,000 lb trailer axle wheel ends. Its aluminum construction, clear inspection lens, magnetic vent plug, convenient side service port, and watertight sealing system help protect bearings and lubricant while simplifying routine wheel-end inspection and maintenance.
- Product type: Oil & Dust Caps





















