SHIFT KIT (8HP45/55/70/90/845RE) GEN1
# 121814K

SHIFT KIT (8HP45/55/70/90/845RE) GEN1

This Valve Body Repair Kit is engineered to address the most frequent ZF 8HP GEN1 and Chrysler 845RE transmission failures and shift complaints.

  • Fits GEN1 ZF8HP45, ZF8HP55, ZF8HP70, ZF8HP90 and Chrysler 845RE
  • Does not fit GEN2 ZF8HP50, ZF8HP75, ZF8HP95 or Chrysler 850RE

Includes:

  • Redesigned pressure regulator valve with calibrated spring and bushing
  • Drop-in TCC regulator valve and spring
  • Oversized pressure reducing (AFL) valve and spring (requires tool kit #ZF8-AFL-TK)
  • Optional oversized converter pressure regulator valve (requires tool kit #ZF8-TCREG-TK)
  • (2) End plug retainers
  • (7) Solenoid damper rubber inserts

Corrects/Prevents/Reduces:

  • TCC codes, TCC lining failures
  • Harsh, soft and erratic shifts
  • Gear ratio and solenoid performance codes

Tool Kits:

  • T-121814K This tool kit is required for installing the oversized pressure reducing (AFL) valve included in this Valve Body Repair Kit

121814K TransGo Installation Instructions

Type of Product: Shift & Reprogramme Kits
Alternative #: