Universal Diff breather kit is a must if you take your vehicle thru water above axle height at any time. It allows your diffs, transfer case and gearbox to breathe by relocating the breather to a higher point on vehicle and stopping the affect of water being sucked into diff housings and gearboxes.
This kit is a 2 port system which includes fittings for MOST front and rear diffs transfer case and gearbox to suit Navara, Hilux, Patrol, Landcruiser, Prado and many others.