4L80E / 4L85E

Old sealing material gets brittle in storage as well as in service, which is why age matters as much as mileage.4L80E pump cover to case gasket. The rubber is rated...

Rubber that has cycled through enough heat stops returning to its shape, and a seal that does not return does not seal.4L80E valve body to spacer plate - lower 96...

Fluid on the case is the visible half of the problem; the other half is the pressure that never reached the clutch.4L80E bottom pan duraprene (except) pan gasket. This set...

External leaks and lost line pressure both trace back to gaskets and seals that hardened with age and heat.4L80E case to spacer plate 96 (will work units) gasket gasket. This...

Old sealing material gets brittle in storage as well as in service, which is why age matters as much as mileage.4L80E convertion kit pump convertion kit. The rubber is rated...