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Reverse Boost Valve & Sleeve, 4L80E (With O-Rings) (Self Regulating Boost Valve Kit With Relief Valve) (Sonnax)

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Part # S34507HRK
Type:
Valve, kit
Transmissions:
3L80, 4L80E, 4L85E
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
S34507HRKWIT✓ catalog
34200-10KSonnax✓ catalog

Where it fits

DiagramPositionTransmission page
3L805073L80
4L80E5074L80E
Other parts in 3L80 position 507:
  • 34507B6 Plug, 4L80E…
  • S34507C6K End Plug Set, 4L80E TCC Bore (5 Per Set) 1991-Up (Sonnax)
  • 34507E4 Retainer, 4L80E (Metal)(Oil Deflector)(1 Pump Body Bolt Holds This on) 1997-Up
  • S34507EL4K Retaining Pin Set, 4L80E Overdrive/Reverse Check Ball (10 Per Set) (Sonnax)
  • 34507EP1 Valve, 4L80E Pressure Regulator (Sonnax)
  • 34507EP3 Spring, 4L80E Pressure Regulator Valve 1991-Up
  • S34507EP6K Balance Plug Set, 4L80E Pressure Regulator End Plug (Without Rings) (5 Per Set) (Sonnax)
  • 34507EPK Pressure Regulator Assembly, 4L80E 1991-Up
  • 34507ER1 Valve, 4L80E Reverse Boost (.855”OD On Large Land) 1991-96
  • 34507ER2 Sleeve, 4L80E Reverse Boost Valve (.855”ID) 1991-96
  • and 6 more
Other parts in 4L80E position 507:
  • 34507B6 Plug, 4L80E…
  • S34507C6K End Plug Set, 4L80E TCC Bore (5 Per Set) 1991-Up (Sonnax)
  • 34507E4 Retainer, 4L80E (Metal)(Oil Deflector)(1 Pump Body Bolt Holds This on) 1997-Up
  • S34507EL4K Retaining Pin Set, 4L80E Overdrive/Reverse Check Ball (10 Per Set) (Sonnax)
  • 34507EP1 Valve, 4L80E Pressure Regulator (Sonnax)
  • 34507EP3 Spring, 4L80E Pressure Regulator Valve 1991-Up
  • S34507EP6K Balance Plug Set, 4L80E Pressure Regulator End Plug (Without Rings) (5 Per Set) (Sonnax)
  • 34507EPK Pressure Regulator Assembly, 4L80E 1991-Up
  • 34507ER1 Valve, 4L80E Reverse Boost (.855”OD On Large Land) 1991-96
  • 34507ER2 Sleeve, 4L80E Reverse Boost Valve (.855”ID) 1991-96
  • and 6 more
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