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Gasket, A727/A518/A618/48RE Output Shaft Bearing Cover 1962-Up

Gasket, A727/A518/A618/48RE Output Shaft Bearing Cover 1962-Up — Part # 12305J
Part # 12305J
Type:
Bearing, cover, gasket, shaft
Transmissions:
30RH, 32RH, 37RH, 40RH, 42RE, 42RH, 44RE, 46RE, 46RH, 47RE, 47RH, 48RE, A618, A998, TF8
Years:
1962-Up
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
12305JWIT✓ catalog
2666049OEM✓ catalog
266049Ref✓ catalog
13254DACCO? unverified

Where it fits

DiagramPositionTransmission page
30RH305—
42RE30542RE
46RE305—
TF8305TF8
Other parts in 30RH position 305:
  • 12305A Gasket, A727 Extension Housing 1966-94
  • 12305AE Gasket, A500 Extension Housing 1989 (Also Fits Under Overdrive Piston Retainer)
  • 12305AF Gasket, A500 Extension Housing 1990-Up
  • 12305C Gasket, A500 Overdrive Piston Retainer To Case 1990-Up (Can Use This Gasket & 12305AF Gasket For 1989 Models)
Other parts in 42RE position 305:
  • 12305A Gasket, A727 Extension Housing 1966-94
  • 12305AE Gasket, A500 Extension Housing 1989 (Also Fits Under Overdrive Piston Retainer)
  • 12305AF Gasket, A500 Extension Housing 1990-Up
  • 12305C Gasket, A500 Overdrive Piston Retainer To Case 1990-Up (Can Use This Gasket & 12305AF Gasket For 1989 Models)
Other parts in 46RE position 305:
  • 12305A Gasket, A727 Extension Housing 1966-94
  • 12305AE Gasket, A500 Extension Housing 1989 (Also Fits Under Overdrive Piston Retainer)
  • 12305AF Gasket, A500 Extension Housing 1990-Up
  • 22305D Gasket, A518/A618/48RE Overdrive Piston Retainer 1991-Up (Can Use This Gasket & 12305AF For 1990 Models)
Other parts in TF8 position 305:
  • 12305A Gasket, A727 Extension Housing 1966-94
  • 12305AE Gasket, A500 Extension Housing 1989 (Also Fits Under Overdrive Piston Retainer)
  • 12305AF Gasket, A500 Extension Housing 1990-Up
  • 22305D Gasket, A518/A618/48RE Overdrive Piston Retainer 1991-Up (Can Use This Gasket & 12305AF For 1990 Models)
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