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Oversized valves are hardcoat anodized to combat premature wear
* Proper tolerance assured at bore mating surfaces
Manufacturer Part Number: RT-A11-PR
use bore sizing tool 76948-BST (sold separately) to provide exact sizing and improved bore finish
Switch Valve Repair Kit
A4LD 4R55E 5R55E Transmission Intermediate or Overdrive Band Servo Piston ZC wholesale Oversized valves are hardcoat anodizedOE OEM Part Number: F77Z 7D021 ZA Fitment Type: Direct Replacement Drive Type: 4WD Manufacturer Part Number: B82550 Brand: TransTec Manufacturer Warranty: Yes Items Included: Piston A4LD 4R44E 4R55E 5R55E Transmission Intermediate and Overdrive Band Servo Piston fits Ford and Mazda vehicles 1997 up (1) New Piston fits cover with ZC code (2. 317" ID Cover) Replaces Ford# F77Z 7D021 ZA
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