Symptoms:

  • Low pressure
  • Low clutch oil pressure

ZF8HP45, ZF8HP50, ZF8HP55, ZF8HP70, ZF8HP75

Valve Body Separator Plate
Part No. 35740-028

The plates are not specific by transmission model, but rather by valve body code and also by the stamped number.

OE Part No. 1087-327-099

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Sonnax offers direct replacement OE-quality valve body separator plate 35740-028 for ZF8HP45/50/55/70/75 applications. This plate incorporates a black silicon sealant bead to bond upper and lower valve body sections together once the rebuild is complete.

  • OE valve body code: 1087-327-099
  • Number stamped on original plate: A028 or B028
  • ZF8HP45, ZF8HP50, ZF8HP55, ZF8HP70, ZF8HP75 Valve Body Separator Plate 35740-028