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400 (3L80), AT-540

Impeller Hub

Part No.

GM-90-42G

Impeller Hub
  • Impeller Hub

Small_gm-90-42g

400 (3L80), AT-540

Impeller Hub

Part No. GM-90-42G

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

Sonnax impeller hub GM-90-42G allows for the use of the large Allison bearing GM-N-13H in the 400 converter. The hub is designed to pilot the partially enclosed bearing GM-N-13H. Modification of the stator is required.