4R100, E4OD

Performance Rated Accumulator Spring Kit
Part No. 36948-18K


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Ford E4OD and 4R100 accumulator springs can break, weaken or collapse, causing long, soft shifts, particularly in towing and heavy-duty applications. Recalibrate shift feel with Sonnax performance rated accumulator spring kit 36948-18K.

  • Best in heavy-duty and towing applications
  • Gives quicker and firmer 1-2, 2-3 and 3-4 shifts
  • Recalibrates shift feel

For best results, use in conjunction with Sonnax line pressure modulator valve 96948-01K for heavy-duty/high performance applications.

  • Retaining Clips (3)
  • Green Springs (2) Selective, Large
  • Yellow Spring Selective, Large
  • Red Springs (3) Medium
  • Unpainted Springs (3) Small
  • 4R100, E4OD Performance Rated Accumulator Spring Kit 36948-18K
  • 4R100, E4OD Performance Rated Accumulator Spring Kit 36948-18K