Torque Converter Parts GM TH400 (3L80), AT-540 Impeller Hub - Flanged
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TH400 (3L80), AT-540

Impeller Hub
Part No. GM-90-42G

Sonnax impeller hub GM-90-42G allows for the use of the large Allison bearing GM-N-13H in the TH400 converter. The hub is designed to pilot the partially enclosed bearing GM-N-13H. Modification of the stator is required.

  • 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"

Where to Buy

  • Existing Customers: Contact your sales representative.
  • New Customers: Fill out the form and a sales representative will contact you.
  • TH400 (3L80), AT-540 Impeller Hub GM-90-42G

Related Sonnax Parts

Required

Recommended

AT-500, TH400 (3L80), AT-540 Thrust Bearing GM-N-13H

AT-500, TH400 (3L80), AT-540

Thrust Bearing GM-N-13H

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