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Category : JF011E and JF015EPrev  

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JF015E-PISTON
JF015E-PISTON  

CNC machined billet steel replacement upper primary piston Fits JF015E (RE0F11A)

TransGo’s JF015E replacement upper primary piston made from CNC machined billet steel is the quick and easy fix to eliminate belt slip.

Don’t overlook this very common failure. This piston MUST BE PRESS-FIT or it will leak. Slipping pulleys, with or without codes, get worse when hot. This is likely due to upper primary pulley ID piston damage. The upper primary piston’s inner seal is press-fit onto the shoulder of the pulley sheave. A worn or loose fitting piston leaks primary pulley-pressure, causing the belt to slip.

Common Distributor Part Numbers:
TranstarT806961
WIT Whatever it Takes
NatproNAT18845L
PDQ
PTW Portland Transmission Warehouse
Dacco, MST, D&E, and Dean
OTS Oklahoma Transmission Supply
A & Red's
Slausons
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