GM

258mm LU (4L60-E, 5L40-E) Torque Converter

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#{@unit.name} torque converter diagram
1
Zip Kits

Hub Cover MI-HC-B

  • Material: Plastic
  • Color: Black
  • For Hub Dia.: 1-3/4"
  • Length: 1.500"
2
Zip Kits

Impeller Hub GM-90-12G

4L60-E

  • Hub Mount: Butt Mount
  • Pump Drive Style: Slots
  • Material: Hardened Steel
  • Assembled Height: 2.175"
  • Journal Dia.: 1.748"
Zip Kits

Impeller Hub GM-90-70G

5L40-E

  • Pump Drive Style: Slots
  • Hub Mount: Butt Mount
  • Material: Hardened Steel
  • Assembled Height: 2.065"
  • Journal Dia.: 1.748"
3

Impeller

4
Zip Kits

Thrust Bearing GM-N-11

2 Required

  • Bearing Style: Enclosed
  • Material: Hardened Steel
  • Inner Dia.: 2.500"
  • Thickness: 0.150"
  • Outer Dia.: 3.391"
5

Snap Ring (2 Required)

6
Zip Kits

Stator Cap GM-WA-37

2 Required

  • Material: Aluminum
  • Outer Notch Count: 9
  • Inner Dia.: 1.930"
  • Outer Dia.: 3.959"
  • Total Thickness: 0.327"
  • Functional Thickness: 0.188"
7

Stator

8

Stator Cam

9
Zip Kits

Accordion Spring GM-S-10

9 Required

  • Width: 0.264"
  • Relaxed Height: 0.530"
  • Fold Count: 2
  • Relaxed Length: 0.500"
10
Zip Kits

Roll GM-RO-1

9 Required

  • Length: 0.540"
  • Dia.: 0.359"
11
Zip Kits

Inner Stator Race GM-HR-17

Converts GM 6L80, 6L90 (300mm), GM 258mm LU (4L60-E, 5L40-E) or GM 265mm LU (4T60-E, 4T80-E) converter cores to a 37-tooth internal spline for use in GM 4L80-E single stator applications.

  • Material: Through-hardened 52100 bearing steel
  • Internal Spline Tooth Count: 37
  • Length: 0.875"
  • Outer Dia.: 2.156"

Inner Stator Race

12

Turbine Hub (27-Tooth internal splines, 30 tooth external splines)

13
Zip Kits

Seal GM-O-13

OE-style solid seal

  • Material: PTFE
  • Color: Natural
  • Seal Style: Solid
  • Width: 0.094"
  • Height: 0.086"
  • Outer Dia.: 1.730"
Zip Kits

Seal JA-O-4

Optional scarf-cut seal

  • Material: PTFE
  • Seal Style: Scarf cut
  • Width: 0.092"
  • Height: 0.092"
  • Outer Dia.: 1.689"
14

Turbine

15

Rivet

16

Damper Assembly

16.1
Zip Kits

Piston Plate GM-DA-6P

  • Material: Steel
  • Surface Finish: Bond
  • Machining Process: Fully Machined Forging
16.2
Zip Kits

Rivet GM-RV-9

8 Required

  • Rivet Type: Solid
  • Rivet Head: Flat
  • Head Dia.: 0.300"
  • Shank Dia.: 0.198"
  • Length: 0.515"
17
Zip Kits

Friction Ring S20300WC

  • Material: WC
  • Outer Dia.: 9.500"
  • Inner Dia.: 8.250"
  • Thickness: 0.020"
Zip Kits

Friction Ring B66300HTS

  • Material: HTS
  • Thickness: 0.066"
  • Inner Dia.: 8.250"
  • Outer Dia.: 9.500"
Zip Kits

Friction Ring B66300HTE

  • Material: HTE
  • Thickness: 0.066"
  • Inner Dia.: 8.250"
  • Outer Dia.: 9.500"
Zip Kits

Friction Ring B66300HTL

  • Material: HTL
  • Thickness: 0.066"
  • Inner Dia.: 8.250"
  • Outer Dia.: 9.500"
Zip Kits

Friction Ring B45300HTE

  • Material: HTE
  • Thickness: 0.045"
  • Outer Dia.: 9.500"
  • Inner Dia.: 8.250"
Zip Kits

Friction Ring B45300HTS

  • Material: HTS
  • Thickness: 0.045"
  • Inner Dia.: 8.250"
  • Outer Dia.: 9.500"
18

Front Cover

19

Hex Head Cap Screw