4L60E 300MM Rebuilt Pump Assembly With Sonnax upgrades.
PUMP HAS ORING GROOVE
77917-07 Oversize Pressure Regulator Valve
77898E-K Boost Valve Kit w/ Orings
77805E-K TCC Valve w/ PTFE Seal
If you want a pump that is as good as a brand new pump, this is the pump for you.
The following SONNAX parts ensure a well functioning pump, with no leaks within the valves.
Extend the life of your transmission with this pump, all of these upgrades correct critical pressure issues within the transmission
Vacuum Tested, to ensure perfectly sealed valves
1 year warranty!
300 mm available with and without oring groove
Each pump is completely disassembled, cleaned, the cover is painted and sandblasted,
then all parts are inspected and reassembled by a professional transmission technician.
New Teflon Pump Bushings
New Solid Teflon Sealing Rings
New Oil Seal, with retainer to prevent seal blow out
New Pump to Case Gasket
New Pump to Case O-ring
13 Vane Pump Rotor
Both pump valves are completely disassembled and cleaned to guarantee a well functioning pump