• Harsh TCC apply
  • TCC apply & release concerns


The OE TCC accumulator spring can fatigue or break due to stress and material characteristics.


The Sonnax spring is manufactured from upgraded material to increase spring stregth and resiliency. 

45RFE, 545RFE, 65RFE, 66RFE, 68RFE

TCC Accumulator Spring
Part No. 44912-01

Package Quantity: 5

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Harsh TCC engagement complaints can occur due to breakage of the TCC accumulator spring in the pump assembly in listed Chrysler units. The OE spring material and design is overstressed in this application. Sonnax TCC accumulator spring 44912-01 is manufactured from an upgraded material to increase spring strength and resiliency

  • Upgraded material increases spring strength
  • Spring rated for severe duty allows more life cycle deflections

Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. See all Sonnax valve body layouts.

Chrysler 45RFE, 545RFE, 65RFE, 66RFE, 68RFE Valve Body Layout

Chry45rfe vbl thumb
  • 44912 01 in combo
  • 44912 01