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Torque Converter | Allison | 1000/2000/2400 Series, Lockup (Early & Late) | GM 2500 Series Trucks

Ill.# Image Description Specification Part #
0 Misc 2006-Later NPN-SPL
0 Impeller Hub Flanged
  • Journal Dia: 2.295"
  • Installed Height: 2.590"
  • Height: 2.900"
  • Pump Drive Type: Flats
  • Flange Dia: 4.310"
 SH-1-68HP
0 Bearing 2006-Later 2008 - Up
  • Outer Dia: 3.855
  • Inner Dia: 2.644
  • Thickness: 0.251
  • Outer Dia Metric: 97.92
  • Inner Dia metric: 67.16
  • Thickness metric: 6.38
  • Bearing type: Enclosed
 SW-2-36
0 Spacer Stator Bearing Adapts late-model turbine-side bearing SW-2-32 to earlier application
  • Outer Dia: 3.226"
  • Inner Dia: 2.300"
  • Thickness: 0.295"
 SW-3-1
0 Turbine Washer Allison 1000 Late For OE covers 2006 - Up
  • Outer Dia: 2.445"
  • Inner Dia: 1.375"
  • Thickness: 0.235"
  • Material: Fiber
 SW-9-25
0 Turbine Washer Early
  • Outer Dia: 2.230"
  • Inner Dia: 1.489"
  • Thickness: 0.182"
  • Material: Fiber
 SW-9-26
1 Hubcap Fits 2-1/4" (57.2mm). Length: 1-1/2"
  • Color: Black
  • Fits 2-1/4" (57.2mm)
 MHC-CL
2 Impeller Hub 2006-Up
  • Journal Dia: 2.295"
  • Installed Height: 2.463"
  • Height: 2.680"
  • Inner Dia: 4.000"
  • Hub Mount: Flanged
  • Pump Drive Type: Flats
  • Flange Dia: 4.000"
 SH-1-65GRC
2 Impeller Hub Early
  • Journal Dia: 2.293"
  • Installed Height: 2.590"
  • Inner Dia: 4.310"
  • Hub Mount: Flanged, With Pilot Step
  • Pump Drive Type: flats
  • Flange Dia: 4.310"
  • Hardness: Rc 58-60
 SH-1-48GRC
2 Impeller Hub
  • Journal Dia: 2.293"
  • Installed Height: 2.267"
  • Pump Drive Type: flats
  • Hardness: Rc 32-36
 SH-1-49GRC
3 Impeller NPN-1-38-3
4 Stator Cap Early. Adapts late-model impeller side bearing SW-2-31 to earlier applications
  • Outer Dia: 4.185"
  • Inner Dia: 2.152"
  • Thickness: 0.560"
  • Material: Aluminum
  • Functional Thickness: 0.339"
 SW-4-29
4 Bearing
  • Outer Dia: 3.57
  • Inner Dia: 2.6
  • Thickness: 0.208
  • Outer Dia Metric: 90.68
  • Inner Dia metric: 66.04
  • Thickness metric: 5.28
  • Bearing type: Semi- Enclosed
  • Race: SW-2-27
 SW-2-25
5 Bearing Race
  • Outer Dia: 3.380"
  • Inner Dia: 2.530"
  • Thickness: 0.118"
  • Hardened
 SW-2-27
6 Snap Ring NPN-1-38-6
7 Stator Cap
  • Material: Aluminum
 NPN-1-38-7
8 Inner Race
  • Internal Teeth: 37
 NPN-1-38-8
8 Inner Race Stator
  • Outer Dia: 2.627"
  • Length: 1.180"
  • Internal Teeth: Internal Spline Tooth Count: 37
 SX-14-7
9 Sprag Fits Early & Late 2006 - Up
  • Width: 0.750"
  • housing bore dia: 3.281"
  • Shaft Dia metric: 2.625"
  • Material: Hardened Steel
  • 29 Cams (elements). Race Outer Dia.: 3.281" Race Inner Dia.: 2.625"
 SC-6
9 Roller Clutch (Sprag) SC-6-1
10 Cam NPN-1-38-10
11 Stator NPN-1-38-11
12 Bearing Race
  • Outer Dia: 3.130"
  • Inner Dia: 2.374"
  • Thickness: 0.098"
  • Hardened
 SW-2-28
13 Bearing
  • Outer Dia: 3.06
  • Inner Dia: 2.22
  • Thickness: 0.17
  • Outer Dia Metric: 77.72
  • Inner Dia metric: 56.39
  • Thickness metric: 4.32
  • Bearing type: Semi- Enclosed
  • Race: SW-2-28
 SW-2-26
13 Bearing Early and late 2006 - Up
  • Outer Dia: 3.855
  • Inner Dia: 2.653
  • Thickness: 0.220
  • Outer Dia Metric: 97.92
  • Inner Dia metric: 67.39
  • Thickness metric: 5.59
  • Bearing type: Enclosed
 SW-2-31
13 Bearing Late 2006 - Up
  • Outer Dia: 3.375
  • Inner Dia: 2.178
  • Thickness: 0.22
  • Outer Dia Metric: 85.73
  • Inner Dia metric: 55.32
  • Thickness metric: 5.59
  • Bearing type: Enclosed
 SW-2-32
15 Turbine Hub Allison 1000, 2000, 2400 SX-13-33
15 Turbine Hub
  • Internal Teeth: 25
  • External teeth: 40
  • Hardness: Heat Treated
 SX-13-33HT
16 Seal Ring Early
  • Height: 0.096"
  • Outer Dia: 2.380"
  • Width: 0.090"
  • Outer Dia Metric: 60.452
  • Material: PTFE
  • Height Metric: 2.4384
 SO-23-34
16 Seal Ring 2006-Up
  • Height: 0.085"
  • Outer Dia: 2.953
  • Width: 0.091
  • Outer Dia Metric: 75.0062
  • Material: PTFE
  • Height Metric: 2.159
 SO-23-37
17 Turbine NPN-1-38-17
18 Lockup Clutch Assembly NPN-1-38-18
19 Lining (Friction Ring,Wafer) AVAILABLE WITH DIFFERENT FRICTION MATERIALS, INCLUDING HIGH CARBON, KEVLAR®, CARBON AND TAN.
  • Outer Dia: 12.344"
  • Inner Dia: 10.25"
  • Thickness: 0.045"
  • Material: Red
 SX-23-44
19 Lining (Friction Ring,Wafer) AVAILABLE WITH DIFFERENT FRICTION MATERIALS, INCLUDING HIGH CARBON, KEVLAR®, CARBON AND TAN.
  • Outer Dia: 12.34"
  • Inner Dia: 10.75"
  • Thickness: 0.045"
  • Material: Red
 SX-23-54
20 Turbine Washer Early
  • Outer Dia: 2.230"
  • Inner Dia: 1.483"
  • Thickness: 0.136"
  • Material: Plastic
 SW-9-18
20 Turbine Washer ALLISON 1000 Late 2006-Up
  • Outer Dia: 2.400"
  • Inner Dia: 1.437"
  • Thickness: 0.274"
  • Material: Fiber
 SW-9-24F
21 Front Cover Billet SX-22-1
21 Front Cover SX-22-6
22 Bolt Hex Head, Flanged
  • Dimensions: M10-1.50 x 15mm
 B-78
22 Bolt
  • Dimensions: M10 × 1.5
 NPN-1-38-22
23 Mounting Pad
  • Dimensions: M10×1.5
 NPN-1-38-23
24 Pilot
  • Outer Dia: 1.702"
 NPN-1-38-24