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Transtar Torque Converter A1-CR70X-S1
  • Transtar Torque Converter A1-CR70X-S1
  • Transtar Torque Converter A1-CR70X-S1

TranstarTorque ConverterPart #: A1-CR70X-S1

$710.96 $150.00 Core
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Description & Specs

A torque converter is a type of fluid coupling that transfers rotating power from a prime mover, like an internal combustion engine, to a rotating driven load. In a vehicle with an automatic transmission, the torque converter connects the power source to the load. It is usually located between the engine's flexplate and the transmission. The equivalent location in a manual transmission would be the mechanical clutch. The main characteristic of a torque converter is its ability to increase torque when the output rotational speed is so low that it allows the fluid coming off the curved vanes of the turbine to be deflected off the stator while it is locked against its one-way clutch, thus providing the equivalent of a reduction gear. This is a feature beyond that of the simple fluid coupling, which can match rotational speed but does not multiply torque, thus reduces power.

Torque Converter; Remanufactured, 13.785" Body Diameter, Slotted Hub Type, 6 Mounts, Threaded Holes Mount Type, 12.25" Bolt Circle, 1.81" Pilot Outside Diameter, No Ring Gear, Very Low Stall, 23 Turbine Splines, Lock-Up, Billet Cover

Name Specs
Billet CoverYes
Body Diameter Inches13.785
Bolt Circle Inches12.25
Hub TypeSlotted
Impeller BrazedYes
Lock-Up UnitYes
Mount TypeThreaded Holes
Number of Mounts6
Package UOMEach
Pilot OD Major Inches1.81
Pump StallVery Low
Quantity Per UOM1
Stator RotationClockwise
Stator Spline Count27
Stator Vane Count15
Turbine Internal Spline Count23
Turbine to Pump Clearance0.135
Weight UOMPounds
With Ring GearNo


Name Years
48RE2004 - 2004

Vehicle Fitment

Years Vehicle Drive Types
2004 - 2004Dodge Ram 2500RWD, 4WD