E40D 4R100 ACCUMULATOR SPRING KIT 1989-UP, Performance Rated Number 36948-18K

$ 36.00

SKU: PATC-S36741EBK, SX 36948-18K, Categories: , Tags: , ,


36948-18K SPRING KIT, E40D/4R100, ACCUMULATOR 1989-UP, Performance Rated

4R100, E4OD Performance Rated Accumulator Spring Kit

Part No. 36948-18K

  • Retaining Clips (3)
  • Green Springs (2)
  • Yellow Spring
  • Medium Red Springs (3)
  • Non-Painted Springs (3)

The OE E4OD and 4R100 accumulator springs can break, weaken or collapse, causing long, soft shifts, particularly in towing and heavy-duty applications.

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

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


  • Long soft shift in towing & heavy-duty applications
  • Soft shifts
Broken, weak or collapsed accumulator springs.
Replace accumulator springs with Sonnax improved shift feel accumulator spring kit.

Additional information

Weight .5 lbs
Dimensions 4 × 4 × 2 in