Transmission fluid lubricates internal components, transfers hydraulic pressure to control shifting, and helps cool the transmission — a job different enough from motor oil that using the wrong type can cause real damage. Low, degraded, or incorrect fluid is a common cause of harsh or delayed shifts, slipping, overheating, and premature wear on clutches and bands inside automatic transmissions. Browse automatic and manual transmission fluid, matched to your vehicle's specification, for cars, trucks, and SUVs to keep your transmission shifting the way it should.
