Sonnax GM TH400 (3L80), AT-540 Torque Converter

0

10" Performance Converter Kit GM-RK-1

Includes Impeller Hub, 30-Tooth Turbine Hub, Thrust Washer, Bushing & Front Cover; Pilot kit NOT INCLUDED

Unit Size: 10"
Core: GM 245mm
Dampered: No
Lockup: No
Transmission Unit: 350, 400, Powerglide
Turbine Hub Input Spline Count: 30

10" Performance Converter Kit GM-RK-7

Includes Impeller Hub, 17-Tooth Turbine Hub, Thrust Washer, Bushing & Front Cover; Pilot kit NOT INCLUDED

Unit Size: 10"
Core: GM 245mm
Dampered: No
Lockup: No
Transmission Unit: 350, 400, Powerglide
Turbine Hub Input Spline Count: 17

10" Performance Converter Kit GM-RK-1S

Includes Impeller Hub, 30-Tooth Turbine Hub, Thrust Washer, Bushing & Front Cover; Pilot kit NOT INCLUDED

Unit Size: 10"
Core: GM 245mm
Dampered: No
Lockup: No
Transmission Unit: 350, 400, Powerglide
Turbine Hub Input Spline Count: 30

10" Performance Converter Mounting Ring Kit GM-RK-1417

Includes Impeller Hub, 17-Tooth Turbine Hub, Thrust Washer, Bushing, Pilot, Mounting Ring & Flat Head Bolts

Unit Size: 10"
Core: GM 245mm
Dampered: No
Lockup: No
Transmission Unit: TH350, TH400, Powerglide
Turbine Hub Input Spline Count: 17

10" Performance Converter Mounting Ring Kit GM-RK-14

Includes Impeller Hub, 30-Tooth Turbine Hub, Thrust Washer, Bushing, Pilot, Mounting Ring & Flat Head Bolts

Unit Size: 10"
Core: GM 245mm
Dampered: No
Lockup: No
Transmission Unit: 350, 400, Powerglide
Turbine Hub Input Spline Count: 30

258mm Performance Converter Kit GM-RK-308

Fits 400 (3L80) only; Includes Impeller Hub, 30-Tooth Turbine Hub, Thrust Washer, Bushing, Front Cover & Bushing; Pilot kit NOT INCLUDED

Unit Size: 258mm
Core: GM 258mm
Dampered: No
Lockup: No
Transmission Unit: TH350, TH400, Powerglide
Turbine Hub Input Spline Count: 30

258mm Performance Converter Kit GM-RK-358

Fits 400 (3L80) only; Includes Impeller Hub, 35-Tooth Turbine Hub, Thrust Washer, Bushing, Front Cover & Bushing; Pilot kit NOT INCLUDED

Unit Size: 258mm
Core: GM 258mm
Dampered: No
Lockup: No
Transmission Unit: TH400, Powerglide
Turbine Hub Input Spline Count: 35

8" Performance Converter Kit GM-RK-2

Includes Impeller Hub, Reinforcement Ring, Turbine Hub, Thrust Washer, Bushing & Front Cover with sing bolt-hole pattern; Pilot kit NOT included

Core: Opel
Unit Size: 8"
Dampered: No
Lockup: No
Transmission Unit: 350, 400, Powerglide
Turbine Hub Input Spline Count: 30

1

Hub Cover MI-HC-Y

Material: Plastic
Color: Yellow
For Hub Dia.: 1-7/8"

2

Impeller Hub GM-90-4G

Pump Drive Style: Slots
Hub Mount: Butt Mount
Material: Hardened Steel
Assembled Height: 2.150"
Journal Dia.: 1.875"

Impeller Hub GM-90-6G

Pump Drive Style: Slots
Hub Mount: Butt Mount
Material: Hardened Steel
Assembled Height: 2.080"
Journal Dia.: 1.875"

Impeller Hub GM-90-5G

Pump Drive Style: Slots
Hub Mount: Butt Mount
Material: Hardened Steel
Assembled Height: 2.200"
Journal Dia.: 1.875"

Impeller Hub GM-90-10G

AT-540 conversion

Hub Mount: Flanged
Pump Drive Style: Slots
Material: Hardened Steel
Assembled Height: 2.062"
Journal Dia.: 1.875"
Flange Outer Dia.: 4.120"
Height: 2.281"

Impeller Hub GM-90-42G

GM 400, requires stator modification, use with GM-N-13H

Hub Mount: Flanged
Pump Drive Style: Slots
Material: Hardened Steel
Assembled Height: 2.062"
Journal Dia.: 1.875"
Flange Outer Dia.: 4.120"
Height: 2.590"

2A

Impeller Hub GM-90-10GSP

AT-540 conversion

Hub Mount: Flanged
Pump Drive Style: Slots
Material: Hardened Steel
Assembled Height: 2.062"
Journal Dia.: 1.875"
Flange Outer Dia.: 3.900"
Height: 2.281"

Impeller Hub GM-90-11G

AT-540 OE replacement

Hub Mount: Flanged
Pump Drive Style: Slots
Material: Hardened Steel
Assembled Height: 2.062"
Journal Dia.: 1.875"
Flange Outer Dia.: 4.120"
Height: 2.281"

3

Impeller

4A

Thrust Bearing GM-N-13H

AT-540

Bearing Style: Partially enclosed
Material: Hardened Steel
Inner Dia.: 1.765"
Thickness: 0.394"
Outer Dia.: 3.085"

4

Thrust Bearing GM-N-8HLT

GM 400

Bearing Style: Enclosed
Material: Hardened Steel
Inner Dia.: 2.388"
Thickness: 0.272"
Outer Dia.: 3.281"

5

Shim GM-WS-5

GM 400

Material: Steel
Thickness: 0.020"
Inner Dia.: 2.385"
Outer Dia.: 2.950"

Shim GM-WS-6

GM 400

Material: Steel
Thickness: 0.030"
Inner Dia.: 2.385"
Outer Dia.: 2.950"

Shim GM-WS-4

GM 400

Material: Steel
Thickness: 0.010"
Inner Dia.: 2.385"
Outer Dia.: 2.950"

6

Stator

Stator Adapter GM-WA-19

Aluminum stator adapter, allows AT-540 stator to be modified for use with GM-N-8HLT bearing & GM-90-10G impeller hub

Material: Aluminum
Outer Dia.: 3.312"
Inner Dia.: 2.000"
Total Thickness: 0.380"
Functional Thickness: 0.188"

Stator Adapter GM-WA-3

Aluminum, use with GM-N-8HLT to convert early-style GM 400 stator to late-style

Material: Aluminum
Outer Dia.: 3.010"
Inner Dia.: 1.894"
Total Thickness: 0.438"
Functional Thickness: 0.250"

Tooling:

GM-N-8HLT

7

Heavy Duty Spring Retainer Kit GM-RS-3HPK

Spring Retainer GM-RS-1

Support Shim GM-WS-44

Material: Steel
Inner Dia.: 2.350"
Outer Dia.: 3.250"
Thickness: 0.010"

Support Shim GM-WS-43

Material: Steel
Outer Dia.: 3.600"
Inner Dia.: 2.350"
Thickness: 0.010"

8

Stator Cam

8.1

Conversion Spacer GMBW-WS-40

Conversion for BW 310mm LU (A618), GM TH400 (3L80), AT-540 & Buick TH350. Use with GM-R-15 to upgrade OE stator clutch assembly

Material: Steel
Inner Dia.: 2.350"
Outer Dia.: 3.600"
Thickness: 0.039"

Tooling:

GM-R-15

Stator Cam GM-R-15

Conversion for Chrysler BW 310mm LU (A618), GM TH400 (3L80), AT-540 & Buick TH350. Use with GMBW-WS-40 to upgrade OE stator clutch assembly.

Length: 0.591"
Pocket Count: 10
Outer Dia.: 3.602"

9

Accordion Spring GM-S-2A

Width: 0.560"
Relaxed Height: 0.240"
Relaxed Length: 0.430"
Fold Count: 5

Accordion Spring GM-S-4A

Width: 0.430"
Relaxed Height: 0.225"
Relaxed Length: 0.438"
Fold Count: 3

Accordion Spring GM-S-11A

Width: 0.560"
Relaxed Height: 0.225"
Relaxed Length: 0.438"
Fold Count: 4

10

Roll GM-RO-572

10 Required

Length: 0.572"
Dia.: 0.312"

Roll GM-RO-435

10 Required

Length: 0.435"
Dia.: 0.312"

11

Inner Stator Race GM-HR-1

Material: Hardened Steel
Length: 1.040"
Internal Spline Tooth Count: 27
Outer Dia.: 2.156"

12

Bearing Adapter GM-WA-24

Use with GM-N-8HLT

Material: Aluminum
Total Thickness: 1.155"
Inner Dia.: 1.690"
Outer Dia.: 3.745"
Functional Thickness: 0.966"

Tooling:

GM-N-8HLT

Bearing Adapter GM-WA-44

Use with GM-N-8HLT

Material: Aluminum
Total Thickness: 1.031"
Outer Dia.: 3.745"
Inner Dia.: 1.690"
Functional Thickness: 0.840"

Stator Cap GM-WP12-OE

GM 400 only

Material: Plastic
Total Thickness: 1.055"
Outer Dia.: 3.738"
Inner Dia.: 1.690"
Functional Thickness: 1.055"

Stator Cap GM-WP8-OE

Material: Plastic
Outer Dia.: 3.740"
Inner Dia.: 1.700"
Functional Thickness: 1.185"
Total Thickness: 1.185"

Stator Cap GM-WP14-OE

AT-540

Material: Plastic
Total Thickness: 1.055"
Outer Dia.: 3.745"
Inner Dia.: 1.690"
Functional Thickness: 1.055"

13

Rivet GM-RV-1

10 Required

Rivet Type: Solid
Rivet Head: Flat
Head Dia.: 0.438"
Shank Dia.: 0.218"
Length: 0.438"

14

Turbine Hub GM-HT-HS

Material: Steel
Internal Spline Tooth Count: 30

15

Turbine

15.1

Reinforcement Ring GM-WS-39

BW 310mm LU (A618) and Allison AT 540/545 units require modifications for proper fit. See instructions for details. Turbine stiffener plate, weld-in

Material: Steel
Inner Dia.: 4.710"
Outer Dia.: 6.260"
Thickness: 0.420"

16

Thrust Washer GM-WF-094

Material: Fiber
Thickness: 0.094"
Inner Dia.: 1.472"
Outer Dia.: 2.750"

Thrust Washer GM-WF-125

Material: Fiber
Thickness: 0.125"
Inner Dia.: 1.472"
Outer Dia.: 2.750"

Thrust Washer GM-WF-156

Material: Fiber
Thickness: 0.156"
Inner Dia.: 1.472"
Outer Dia.: 2.750"

Thrust Washer GM-WF-062

Material: Fiber
Thickness: 0.062"
Inner Dia.: 1.472"
Outer Dia.: 2.750"

17

Front Cover

18

Pilot GM-PI-2

Material: Steel
Pilot Type: Weld-in
Outer Dia.: 1.703"

19

Mounting Pad GM-FN-2

20

GM

TH400 (3L80), AT-540 Torque Converter

Click on any bold item to see available products.

10" Performance Converter Kit GM-RK-1

10" Performance Converter Kit GM-RK-7

10" Performance Converter Kit GM-RK-1S

10" Performance Converter Mounting Ring Kit GM-RK-1417

10" Performance Converter Mounting Ring Kit GM-RK-14

258mm Performance Converter Kit GM-RK-308

258mm Performance Converter Kit GM-RK-358

8" Performance Converter Kit GM-RK-2

Hub Cover MI-HC-Y

Impeller Hub GM-90-4G

Impeller Hub GM-90-6G

Impeller Hub GM-90-5G

Impeller Hub GM-90-10G

Impeller Hub GM-90-42G

Impeller Hub GM-90-10GSP

Impeller Hub GM-90-11G

Impeller

Thrust Bearing GM-N-13H

Thrust Bearing GM-N-8HLT

Shim GM-WS-5

Shim GM-WS-6

Shim GM-WS-4

Stator

Stator Adapter GM-WA-19

Stator Adapter GM-WA-3

Heavy Duty Spring Retainer Kit GM-RS-3HPK

Spring Retainer GM-RS-1

Support Shim GM-WS-44

Support Shim GM-WS-43

Stator Cam

Conversion Spacer GMBW-WS-40

Stator Cam GM-R-15

Accordion Spring GM-S-2A

Accordion Spring GM-S-4A

Accordion Spring GM-S-11A

Roll GM-RO-572

Roll GM-RO-435

Inner Stator Race GM-HR-1

Bearing Adapter GM-WA-24

Bearing Adapter GM-WA-44

Stator Cap GM-WP12-OE

Stator Cap GM-WP8-OE

Stator Cap GM-WP14-OE

Rivet GM-RV-1

Turbine Hub GM-HT-HS

Turbine

Reinforcement Ring GM-WS-39

Thrust Washer GM-WF-094

Thrust Washer GM-WF-125

Thrust Washer GM-WF-156

Thrust Washer GM-WF-062

Front Cover

Pilot GM-PI-2

Mounting Pad GM-FN-2

Hex Head Cap Screw

TH400 (3L80), AT-540 Tech Resources

Rebuilders Rally to Crack the Code: Converter Identification

Related Torque Converter Units

Powerglide, TH350, TH400 (265mm) Performance Converter Torque Converter

Powerglide, TH350, TH400 (258mm) Performance Converter Torque Converter