
The Ram's 4x4 system relies on a transfer case and a front differential, each with its own fluid spec. Neglecting either leads to whine, shudder engaging 4WD, or accelerated wear on the front axle shafts and CV joints.

If you regularly tow through wet conditions or run trails, cut the standard interval roughly in half.

Any truck that sees water crossings pushes the same moisture exposure onto rotors that it does onto diff housings. GEOMET-coated rotors resist the surface rust that untreated OEM rotors develop after repeated off-road use.
Learn more in our Ram TRX brake upgrade guide.
GEOMET-coated rotors resist corrosion from water crossings and mud.
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