6L80, 6L90 (300mm), 6L90 (Captive Clutch)
Turbine Hub
Part No. GM-HTCM-56HS
Stepped, Chamfered Nose
Sonnax chromoly turbine hub GM-HTCM-56HS with hardened internal spline replaces previously offered GM-HT-56HS.
GM 6L90 (captive clutch) converters are known to have two versions of turbine hub. Check the end of the hub towards the stator to determine if you need GM-HTCM-56HS with the stepped, chamfered nose or GM-HTCM-49HS with the chamfered nose.
- Material: Chromoly
- Internal Spline Tooth Count: 36
- External Spline Tooth Count: 55
Where to Buy
- Existing Customers: Contact your sales representative.
- New Customers: Fill out the form and a sales representative will contact you.
Related Sonnax Parts
Required
Recommended
6L80, 6L90 (300mm), A4CF1, A4CF2
O-Ring GM-O-11V
- Material: Fluorocarbon
- Cross Section: 0.103"
- Inner Dia.: 2.300"
Required
Recommended
6L80, 6L90 (300mm)
O-Ring GM-O-19V
- Material: Fluorocarbon
- Color: Blue
- Cross Section: 0.111"
- Inner Dia.: 2.300"
Required
Recommended
6L90 (Captive Clutch)
Piston Seal GM-O-16
For 6L90, Captive Clutch converters
- Seal Style: Solid
- Color: Black
- Material: PTFE
- Width: 0.113"
- Height: 0.081"
- Outer Dia.: 2.586"
Required
Recommended
6L80, 6L90 (300mm), 6L90 (Captive Clutch)
Rivet GM-RV-10
- Rivet Type: Solid
- Rivet Head: Flat
- Head Dia.: 0.333"
- Shank Dia.: 0.193"
- Length: 0.500"
Required
Recommended
280mm LU (4L60-E) “VJCX”, 300mm (4L60-E), 4L80-E (Late Single Stator), 6L80, 6L90 (300mm), 6L80, 6L90 (300mm)
Thrust Bearing GM-N-20
- Bearing Style: Enclosed
- Material: Hardened Steel
- Inner Dia.: 2.598"
- Thickness: 0.179"
- Outer Dia.: 3.661"
Required
Recommended
6L80, 6L90 (300mm), 6L90 (Captive Clutch)
Turbine Hub GM-HTCM-49HS
Chamfered Nose
- Material: Chromoly
- Internal Spline Tooth Count: 36
- External Spline Tooth Count: 55