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Transtar Torque Converter A1-GM90
  • Transtar Torque Converter A1-GM90
  • Transtar Torque Converter A1-GM90
  • Transtar Torque Converter A1-GM90
  • Transtar Torque Converter A1-GM90
  • Transtar Torque Converter A1-GM90

TranstarTorque ConverterPart #: A1-GM90

$226.14 $75.00 Core
Call for Availability:  +1 (833) 363-1938
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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, 12.5" Body Diameter, Slotted Hub Type, 3 Mounts, Stepped Pads Mount Type, 11" Bolt Circle, 1.701" Pilot Outside Diameter, 1.1" Pilot Length, No Ring Gear, TLCX Sticker Codes, Medium Stall, 30 Turbine Splines, Lock-Up

Name Specs
Balance Weight PositionIMPELOD
Billet CoverNo
Body Diameter Inches12.5
Body Diameter mm317.5
Bolt Circle Inches11
Bolt Radius Inches5.5
Codes StickerTLCX
Cooling ShroudNo
Dimple PitchMedium 6
Hub Internal BushingNo
Hub Length Inches2.2
Hub OD Major Inches1.746
Hub Seal GrooveNo
Hub Slot Depth Inches0.53
Hub Slot Width Inches0.395
Hub to Thrust Surface Inches2.5
Hub TypeSlotted
Lock-Up UnitYes
Mount Bolt Depth Inches0.83
Mount Threads10mm X 15
Mount TypeStepped Pads
Number of Mounts3
OE End Play0.03
OE Height Inches6.5
Pilot Length Inches1.1
Pilot OD Major Inches1.701
Pilot TypeStraight
Pump StallMedium
RemanufacturedYes
Stator CodesMULTIPLE
Stator RotationClockwise
Stator Spline Count27
Stator Spline Depth Inches2.7
Stator Sprag ConfigurationRollers
Stator Vane Count18
Turbine Internal Spline Count30
Turbine Spline Depth Inches4.66
Turbine to Pump Clearance0.08
With Ring GearNo

Transmissions

Name Years
4L60-E1999 - 2013
2ML702011 - 2012

Vehicle Fitment

Years Vehicle Drive Types
2011 - 2012Cadillac EscaladeAWD, RWD
2000 - 2009Chevrolet TahoeRWD, 4WD
2007 - 2007Chevrolet Silverado 1500 ClassicRWD, 4WD
1999 - 2013Chevrolet Silverado 1500AWD, RWD, 4WD
2007 - 2007Chevrolet Express 3500RWD
2003 - 2007Chevrolet Express 2500AWD, RWD
2000 - 2009GMC YukonRWD, 4WD
2007 - 2007GMC Sierra 1500 ClassicRWD, 4WD
1999 - 2004GMC Sierra 1500RWD, 4WD
2006 - 2007GMC Savana 3500RWD
2003 - 2007GMC Savana 2500AWD, RWD