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Piston Set, 4F27E (Mazda) (With 7 Bonded Pistons) 1999-Up (The Reverse Clutch Piston Is 1.375” Thick)

Piston Set, 4F27E (Mazda) (With 7 Bonded Pistons) 1999-Up (The Reverse Clutch Piston Is 1.375” Thick) — Part # 138960BK
Part # 138960BK
Type:
Clutch, piston, kit
Transmissions:
4F27E, FNR5
Years:
1999-Up
Size:
The Reverse Clutch Piston Is 1.375” Thick
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
138960BKWIT✓ catalog

Where it fits

DiagramPositionTransmission page
4F27E9604F27E
FNR5960FNR5
Other parts in 4F27E position 960:
  • 138960A Piston, 4F27E/FNR5 Overdrive Clutch (Bonded) 1999-Up
  • 138960AK Piston Set, 4F27E (Ford) (With 7 Bonded Pistons) 2000-Up (The Reverse Clutch Piston Is 1.455” Thick)
  • 138960B Retainer/Balance Piston, 4F27E/FNR5 Overdrive Clutch (Bonded) 1999-Up
  • 138960CK Piston Kit, FNR5 (Bonded) 2005-Up
Other parts in FNR5 position 960:
  • 138960A Piston, 4F27E/FNR5 Overdrive Clutch (Bonded) 1999-Up
  • 138960AK Piston Set, 4F27E (Ford) (With 7 Bonded Pistons) 2000-Up (The Reverse Clutch Piston Is 1.455” Thick)
  • 138960B Retainer/Balance Piston, 4F27E/FNR5 Overdrive Clutch (Bonded) 1999-Up
  • 138960CK Piston Kit, FNR5 (Bonded) 2005-Up
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