4L40E / 5L40E 1999-2010, 5L50E 2004-10

When the B-1-2 circuit shows wear in a 4L40E, 5L40E, ON10, or 5L50E automatic transmission, having the correct bushing and washer set ready means the job moves forward without waiting...

A plugged pickup aerates the fluid, and aerated fluid cannot hold pressure anywhere in the circuit.4L40E ON Automatic Transmission Filter Kit with Pan Gasket. The media flows at the rate...

A cracked or hardened piston seal bleeds off apply pressure and the clutch it feeds slips under load.4L40E bonded piston kit combo. This set returns the apply circuit to full...

For 5L40E automatic transmissions. A shift that arrives late is an electrical symptom until the circuit is ruled out.4L80E solenoid 1-2 shift (purple). This restores the electrical side of the...

Leaks at the axle and output shafts are the ones customers see, and the ones that bring the vehicle back.4L40E front pump metal clad seal. This replacement returns the shaft...

Old sealing material gets brittle in storage as well as in service, which is why age matters as much as mileage.5L40E bottom pan cork (20 bolt holes) pan gasket. Each...

A teardown that finds one worn component has almost always found the first of several.4L60E pump kit vane. This kit brings together the parts a rebuild replaces so the unit...

Low pressure at the valve body often traces back to an Automatic Transmission Filter nobody thought to change.5L40E Automatic Transmission Filter Shallow Pan (No Outlet Neck Spacer And Flat Inlet)....

Thrust washers that are worn, cracked, or lost during disassembly leave end play out of spec and cause the kind of internal movement that shortens the life of a freshly...

When the clutch pack in a 4L40E, 5L40E, 5L50E or ON10 automatic transmission is worn or damaged, replacing it with a part matched to that specific unit family is what...

When a clutch pack replacement calls for a friction disc matched to the 4L40E, 5L40E, 5L50E or ON10 transmission family, this listing covers that single-piece need for units built from...

4L40E 5L40E 5L50E Overhaul Kit for 4L40E and 5L40E automatic transmissions, 2000 and later. Includes gasket and seal set for a complete overhaul. 1 pieces in 1 components. Overhaul Kit...

A slow solenoid response puts the shift overlap out of range and burns the pack that was fine last week.5L40E epc pressure control solenoid 428 solenoid. It is built to...

Heat changes solenoid resistance, so a unit that shifts cold and misbehaves hot points straight at the electrical side.5L40E solenoid epc pressure control solenoid 428 03. This electrical component restores...