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Sonnax TCC Regulator & Isolator Valve Kit 77754-04K

Product Description For Sonnax Parts
Product Part No: -- 77754-04K
Transmissions: -- 4L60E 4L65E 4L70E
Package and Weight
Package Quantity: -- 1 ea
Sonnax:High Performance Part - TCC Regulator & Isolator Valve Kit.
Base Price:
Product Description
Part Information:
Any application, including '98-later EC3 units.
Helps cure: Code 894, 1870 - Overheated converter - Low TCC apply pressure - 3-4 Clutch burned - 1-2 Harsh - Low line pressure.
  • Sleeve manufactured from highly wear-resistant aluminum:
  • Hardcoat anodized aluminum regulator valve combats premature wear:
  • Isolator valve lengthened to operate in unworn portions of the bore:
  • Annular grooves help center valves in bore to reduce future side-load wear:
Part Contents
  1. Isolator Valve:
  2. Spring:
  3. Regulator Valve:
  4. Regulator Sleeve: