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3L80 Gasket 34320A (7 Check Ball Type)

Catalog name:
Gasket, 400 Case to Spacer Plate (7 Check Ball Type) 1987-Up
Gasket, 400 Case to Spacer Plate (7 Check Ball Type) 1987-Up — Part # 34320A
Part # 34320A
Type:
Case, gasket
Transmissions:
3L80, 4L80E, 4L85E
Years:
1987-Up
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
8670458OEM✓✓ confirmed by 2 sources
34320AWIT✓ catalog
3993ADACCO? unverified
3993LPrecision? unverified
72401238TransTec? unverified
B12653TransTec? unverified

Where it fits

DiagramPositionTransmission page
3L803203L80
4L80E3204L80E
Other parts in 3L80 position 320:
  • 34320 Gasket, 400 Case to Spacer Plate (6 Check Ball Type) 1965-90
  • 34320E Gasket, 4L80E Case to Spacer Plate (#205 On Cutout Or Ink # 8620205) 1991-96
  • 34320EA Gasket, 4L80E Case to Spacer Plate (#253 On Cutout Or Ink # 24204253) 1997-Up
  • 34320G Gasket, 425 Case to Spacer Plate 1966-78
Other parts in 4L80E position 320:
  • 34320 Gasket, 400 Case to Spacer Plate (6 Check Ball Type) 1965-90
  • 34320E Gasket, 4L80E Case to Spacer Plate (#205 On Cutout Or Ink # 8620205) 1991-96
  • 34320EA Gasket, 4L80E Case to Spacer Plate (#253 On Cutout Or Ink # 24204253) 1997-Up
  • 34320G Gasket, 425 Case to Spacer Plate 1966-78
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