Sonnax 154740-01K, 8L45 / 8L90 Oversized Signal Accumulator Piston Kit

$ 110.00

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Description

8L45 / 8L90 Oversized Signal Accumulator Piston Kit, Sonnax 154740-01K. 

Tooling:

  • 154740-TL

GM 8L45 and 8L90 transmissions often suffer burnt clutches, shift concerns, low line pressure and/or converter apply complaints due to excess wear in the signal accumulator piston bores in the control solenoid valve body casting. This wear allows valuable VFS signal pressure to exhaust, preventing proper shift control, line pressure regulation and/or converter clutch apply.

Reconditioning these bores and installing Sonnax oversized signal accumulator piston kit 154740-01K re-establishes correct clearance for proper VFS signal pressure.

  • Hardcoat anodized aluminum pistons combat premature wear
  • Annular grooves reduce wear rate

  • Accumulator Pistons (7)

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Additional information

Weight 1.5 lbs
Dimensions 4 × 4 × 3 in