Interchange Part Number: S72961AK S72445PK
008" or more hub-to-bushing clearance with an average 10 times more oil loss than the Sonnax improved fit bushing 12502-01
right near where the transmission housing and engine block meet
If the sleeve is extremely worn
Sonnax 4L60E 4L70E 4L65E Transmission, Line Pressure Booster Kit (Early Design) Rebuild Kit Interchange Part Number: S72961AK S72445PKBrand: Sonnax Other Part Number: 4L60E LB1, S74507FS, S74507TEK 1, NX 4L60E LB1 Interchange Part Number: 4L60E LB1, S74507FS, S74507TEK 1, NX 4L60E LB1 Manufacturer Warranty: Unspecified Length Fitment Type: Performance Custom Items Included: Line Pressure Booster Kit Manufacturer Part Number: 4L60E LB1 Superseded Part Number: 4L60E LB1, S74507FS, S74507TEK 1, NX 4L60E LB1 Universal Fitment: Yes Performance Part: Yes 4L60 E, 4L65 E, 4L70 E Line