5R55W /5R55S / 5R55N

A solenoid that sticks intermittently throws a code the customer never reproduces for the shop.5R55N intermediate shaft speed sensor1999-up sensor. This component restores the commanded response the valve body needs.Operating...

Parts within one transmission family are often dimensionally different by build date.5R55W Sun Gear 5R55WS Overdrive 38-Teeth. This is the correct piece for the unit code on the tag.Fit and...

Once friction material glazes over, no amount of line pressure brings the holding capacity back.5R55W Friction Module. This set replaces the wear surface that decides whether the pack holds or...

Once friction material glazes over, no amount of line pressure brings the holding capacity back.5R55W Friction Module. This pack restores the torque capacity the unit had when it left the...

When the clutch pack in a 5R55W, 5R55S or 5R55N automatic transmission wears down or glazes over, engagement becomes inconsistent and shift feel deteriorates. This module addresses that directly: it...

Lip seals take a set in the groove and stop wiping the bore the way they did when new.5R55N w s interm servo (bonded) 3.5052.520 lip od (white dot). servo...

Apply pressure that reads correct at the port can still be lost at the piston.5R55N s w forward clutch (bonded) (5.090od) w check ball piston. The sealing surface is produced...

Rubber that has cycled through enough heat stops returning to its shape, and a seal that does not return does not seal.5R55N w s pump cover o-ring. The kit covers...

External leaks and lost line pressure both trace back to gaskets and seals that hardened with age and heat.5R55N w s bottom pan bonded rubber pan gasket. This is the...

Debris in the valve body holds a valve open just long enough to burn the pack it feeds.5R55W Valve Line Pressure Relief (Improved) 5R55NWS. The assembly restores the circuits that...

Pressure that reads correct at the test port can still be lost inside the body.5R55W reprogramming kit blue box 2010. The unit is built to the calibration the controller expects.The...

A slow solenoid response puts the shift overlap out of range and burns the pack that was fine last week.5R55W s switch neutral safety-dtr (11 prong connector). Response time and...

Electrical failures in the valve body mimic mechanical wear, which is how good clutches get replaced for nothing.5R55N s w output input speed sensor. Response time and resistance match the...

An electrical fault in the shift circuit shows up as a stored code, a harsh shift or a gear the unit will not select.5R55N switch fluid pressure(reverse). This electrical component...

Getting the fluid pick-up right is the foundation of every 5R55W, 5R55S, and 5R55N automatic transmission repair, and this Automatic Transmission Filter with its 38mm tall pick-up tube is the...

A failed or sluggish solenoid assembly in a 5R55W, 5R55S, or 5R55N automatic transmission can produce erratic shifting, delayed engagement, or a unit stuck in failsafe, and this hard part...

When solenoid-related faults bring an automatic transmission into the shop, replacing the full solenoid pack assembly is often the most direct path to restoring normal shift behavior and pressure control....

A pack that slips under throttle is telling you the friction material is done, whatever the fluid looks like on the stick.5R55S clutch pack stage 1 red clutches performance. The...

The first sign is a flare between shifts, and by then the friction surface has already lost the bite it was built with.5R55W single side direct friction module. The set...

5R55W 5R55S 5R55N Rebuild Kit for 5R55W, 5R55S and 5R55N automatic transmissions, 1999 and later. Includes frictions, pistons, band, gasket and seal set, bushings and Automatic Transmission Filter for a...

When an automatic transmission in the 5R55W, 5R55S or 5R55N family needs a full overhaul, having every friction plate, steel plate, seal and gasket accounted for in a single order...

A rebuild fails twice as often when new parts go back in against components that were left in place to save money.5R55N TRANSMISSION Banner Rebuild Kit WITH Banner Rebuild Kit...

A worn intermediate servo bore is one of those failure points that puts an entire unit at risk: once the bore loses its geometry, no seal holds pressure consistently and...

Worn bushings let shafts run off center, and the side load that follows wears seals and drums much faster than normal.5R55N servo bore sleeves 1-int 1-od sleeve (must use with...