Heavy-Duty Aluminum Oil Hubcap with Advanced Venting System

Protect your wheel-ends with these aluminum oil hubcaps. Built with advanced venting technology and durable Lexan windows, this lightweight design keeps contaminants out while effectively managing heat and oil retention. Sold Individually.

* High Quality Hub Oil Cap
* Oil Hub Cap Specifications
  - 6 Mounting Holes
  - 0.370 Inch Mounting Hole Size
  - 5.500 Inch Bolt Circle Center to Center
  - 6.250 Inch Outside Diameter
  - 4.430 Inch Inside Diameter
  - 2.230 Inch Max. Axle Extension
  - 2.830 Inch Height
* Die Cast Aluminum Construction
* Lightweight, Strong, Durable, Non-Corrosive And Weather-Resistant
* Allows For Rapid Heat Dissipation
* Unique Design Reinforces Hub Cap Face
* Eliminates Window Breakage
* Chemical And Break-Resistant Lexan View Window
* Cured Nitride Binder Gaskets Will Withstand Wheel-End Temps. Up To 350 Degrees
* Patented Venting System
* Allows For Two-Way Air Movement While Protecting The Wheel End From Outside Contaminants.
* Relieves Wheel-End Pressure And Vacuum Buildup.
* Protection From Water-Filled Loading Docks And High-Pressure Sprayers.
* Sintered Bronze Vent Is Nickel Plated
* Solid One-Piece
* Prevents Oil From Migrating Out Of The Wheel End
* Made In The USA
* Sold Individually
* Warranty On Oil Caps Against Defects In Workmanship & Material From Date Of Purchase

*** High Quality Aftermarket Replacement Part (Not OEM) ***

* Replaces OE Number(s) 340-4009, 3404009, 1643