5R55W /5R55S / 5R55N

Fluid on the case is the visible half of the problem; the other half is the pressure that never reached the clutch.5R55N w s pump gasket. The kit covers the...

Apply pressure that reads correct at the port can still be lost at the piston.5R55W servo overdrive blue dot 2.915 Piston. The seals are bonded to the piston rather than...

Apply pressure that reads correct at the port can still be lost at the piston.5R55W s interm servo (bonded) 3.505 2.820 lip od (pink dot) servo Piston. This set returns...

When the rear band in a 5R55W, 5R55S, or 5R55N automatic transmission is worn or damaged, this rigid double-wrap band is the direct replacement part for that position. What sets...

5R55W 5R55S 5R55N Rebuild Kit for 5R55W, 5R55S and 5R55N automatic transmissions, 2002 and later. Includes frictions, pistons, band, gasket and seal set, bushings and Automatic Transmission Filter for a...

A failed or glazed rear band is one of the more direct causes of second-gear slip and harsh downshifts in 5R55W, 5R55S, and 5R55N automatic transmission units, and swapping it...

A failed solenoid pack in the 5R55W, 5R55S, or 5R55N automatic transmission can trigger erratic shifts, pressure faults, and limp-mode conditions that make the vehicle undrivable, and replacing it with...

When you need a flex servo band for intermediate and overdrive positions in a 5R55W, 5R55S, 5R55N, or 4R44E automatic transmission, this red flex band is the direct part to...

When a 5R55W, 5R55S or 5R55N pump is leaking or being rebuilt, having the o-ring, bushing, lip seal and gasket sourced as a single shipment keeps the job moving without...

5R55N 5R55W 5R55S Complete Transmission Rebuild Kit [1997-UP]automatic transmission kit designed for service or rebuild applications, providing reliable fit and consistent performance when installed according to specification.What's Included:- 2x Friction...

The pan gasket is what everyone sees, but the internal seals are what decide whether the unit holds pressure.5R55W s valve body separator plate to case (upper) 08 gasket. This...

Rubber that has cycled through enough heat stops returning to its shape, and a seal that does not return does not seal.5R55W s valve body to separator plate (lower) 08...

A unit that revs and does not move in one gear is describing a sprag.5R55N sprag overdrive w s. The assembly meets the specification of the races it rides between.Installation...

5R55N 5R55W 5R55S Complete Transmission Rebuild Kit [1997-UP]automatic transmission kit designed for service or rebuild applications, providing reliable fit and consistent performance when installed according to specification.What's Included:- 3x Friction...

Bonded pistons fail at the bond line, and the failure is invisible on the bench.5R55S blue 2.800in piston performance intermediate servo pink dop. The sealing surface is produced to the...

When the clutch pack module in a 5R55W, 5R55S or 5R55N automatic transmission is worn, burned or glazed, engagement becomes erratic and slippage follows. This directional-grooved clutch pack module is...

5R55W 5R55S Overhaul Kit for 5R55W, 5R55S and 5R55N automatic transmissions, 2002 and later. Includes gasket and seal set for a complete overhaul. 1 pieces in 1 components. Overhaul Kit...

When the B-1-2 bushings and washer wear in a 5R55W, 5R55S, or 5R55N automatic transmission, internal end play open up and pressure that should be holding a clutch apply starts...

The piston is what converts line pressure into clamping force, so a leaking one makes every other repair pointless.5R55W Piston s n overdrive servo 2.575od orange dot (double lip) servo....

Seals do not usually tear; they take a set, and a set seal leaks at exactly the pressure the circuit needs most.5R55N w s 2wd extension housing to case gasket....

When the coast clutch drum bushing wears out on a 5R55W, 5R55S, or 5R55N automatic transmission, replacing only the damaged bushing is often the precise, efficient repair a technician needs....

A one way clutch that has started to roll over is already scattering material through the unit.5R55N Sprag Reverse Low 30 Lugs Plastic. The assembly meets the specification of the...

Lip seals take a set in the groove and stop wiping the bore the way they did when new.5R55N interm servo (bonded) 2.879 2.757lip od (green dot) servo Piston. The...

A slow solenoid response puts the shift overlap out of range and burns the pack that was fine last week.5R55N Switch Neutral Safety-dtr (12 Prong Connector). This electrical component restores...

Debris in the valve body holds a valve open just long enough to burn the pack it feeds.5R55N Shift Kit. This returns the hydraulic side of the unit to specification.Pressure...

When solenoid failure takes down shift feel in a 5R55W, 5R55S or 5R55N automatic transmission, replacing the entire solenoid pack as a rebuilt assembly is the direct path back to...

5R55N Overhaul Kit for 5R55W, 5R55S and 5R55N automatic transmissions, 1999 and later. Includes gasket and seal set for a complete overhaul. 1 pieces in 1 components. Overhaul Kit for...

External leaks and lost line pressure both trace back to gaskets and seals that hardened with age and heat.5R55W s 4wd ext adapter housing (w metal seal for ground) gasket....

Parts within one transmission family are often dimensionally different by build date.5R55N od planet w s (28t pinion 38t sun gear) (w reluctor). This is the correct piece for the...

When the Automatic Transmission Filter in a 5R55W, 5R55S, or 5R55N unit is overdue for replacement, fluid flow to the valve body and clutch circuits suffers, and this single Automatic...

When a band in the overdrive or intermediate position starts slipping, the drum surface and the band lining take the damage together, and a standard replacement that cannot handle the...

When shift behavior points to a faulty solenoid assembly on a 5R55W, 5R55S, or 5R55N automatic transmission, this new unit is a direct replacement that restores proper electronic control without...

5R55W 5R55S Overhaul Kit for 5R55W, 5R55S and 5R55N automatic transmissions, 2002 and later. Includes gasket and seal set for a complete overhaul. 1 pieces in 1 components. Overhaul Kit...

When internal sealing rings wear or crack, hydraulic pressure escapes the circuits it was never meant to leave, and that pressure loss shows up as slip, late apply or erratic...

When the overdrive servo bore pin seat in a 5R55W, 5R55S, or 5R55N unit has worn beyond acceptable limits, replacing the full servo housing is not always the only path...

Once a bushing loses its crush, the shaft it supports starts cutting its own seat.5R55N bushing stator (front) brass w s. This bushing set returns the rotating parts to their...

When pump end play in the 5R55N grow beyond spec, pressure drops and shift feel follows, and replacing the pump bushing is one of the first mechanical corrections a transmission...

Bushing wear is why a rebuilt unit can leak pressure with every new seal in place.4R70W Drum ODCoast Clutch 38T Sun Gear (.320 Wide Lugs For Drive Washer) U 5R55WN....

The first sign is a flare between shifts, and by then the friction surface has already lost the bite it was built with.5R55N friction module. This pack restores the torque...

Automatic transmission components are unit specific, and the differences are rarely visible side by side.5R55W planet o d set. It is cataloged against the unit code rather than the vehicle.The...

16674GK-P CENTER SHAFT 5R55W 16674GK-P center shaft 5r55w s overdrive 94t (uses 38 teeth [2001-UP]OE-quality automatic transmission component designed to support proper operation, fit, and durability when installed according to...

Using the wrong component in an automatic transmission rebuild costs the job twice: once for the part and again for the teardown.5R55N pump reb. The part is matched to the...

Getting a clean pan seal and fresh fluid pickup back in service on these units starts with having the right two pieces matched to the exact application -- a bonded...

When a 5R55W, 5R55S, or 5R55N automatic transmission develops a pan leak or needs Automatic Transmission Filter service, replacing both the Automatic Transmission Filter and the pan gasket at the...

A bore that has worn oval lets pressure cross between circuits that were never meant to connect.5R55N w s (improved). shift kit. This restores the apply rates the shift schedule...

A leaking metal clad seal shows up as fluid on the case and, left alone, as a low level that starves the pump.5R55W s extension adapter housing 4x4 metal clad...

A part that is close but not correct fits on the bench and fails in the vehicle.5R55N od planet (25t pinion 24t sun gear) (w reluctor ring) 99-02. The part...

5R55W 5R55S Overhaul Kit for 5R55W, 5R55S and 5R55N automatic transmissions, 2002 and later. Includes gasket and seal set for a complete overhaul. 1 pieces in 1 components. Overhaul Kit...

Automatic transmission components are unit specific, and the differences are rarely visible side by side.5R55W transmission fluid fill adapter. This is the correct piece for the unit code on the...

Using the wrong component in an automatic transmission rebuild costs the job twice: once for the part and again for the teardown.5R55W oil pan short (1.420 length) drain fluid level...