Mazda

LA4A-EL Transmission

Tech Resources View all Transmissions
Remanufactured Valve Body

Required

CD4E, LA4A-EL Remanufactured Valve Body FM064

CD4E, LA4A-EL
Remanufactured Valve Body FM064

F3 Casting, with Solenoid Pack

Required

CD4E, LA4A-EL Remanufactured Valve Body FM067

CD4E, LA4A-EL
Remanufactured Valve Body FM067

F7 Casting, without Solenoid Pack

Required

CD4E, LA4A-EL Remanufactured Valve Body FM068

CD4E, LA4A-EL
Remanufactured Valve Body FM068

F7 Casting, with Solenoid Pack

Required

CD4E, LA4A-EL Remanufactured Valve Body FM065

CD4E, LA4A-EL
Remanufactured Valve Body FM065

F3 Casting, without Solenoid Pack

Internal
Zip Kits

Bearing Kit SBK-F18

Fits '92-later units.

    Helps cure:
  • Bearing noise
  • Bearing failure
Zip Kits

Reverse Clutch Drum Sleeve 73300-01

    Helps cure:
  • Damaged Reverse clutch drum journal
  • Bushing failure
  • Costly drum replacement
Zip Kits

Wiring Harness Connector Bracket 73949-01

    Helps cure:
  • Broken retaining tabs on wiring harness connector
  • Connector pushes into transmission case
Pump
Zip Kits

Pump Gear Set 73426-SP

    Helps cure:
  • Damaged pump gears
Valve Body
Zip Kits

2-4 Accumulator Piston Kit 73840-24

    Helps cure:
  • 1-2 Bump
  • 3-4 Bump
  • Soft shifts
  • Harsh shifts
Zip Kits

Forward Accumulator Piston Kit 73840-FWD

    Helps cure:
  • Soft Forward
  • Harsh Forward
  • Delayed Forward
Zip Kits

Low Reverse Accumulator Piston Kit 73840-LR

    Helps cure:
  • Soft Reverse
  • Harsh Reverse
  • Delayed Reverse
Zip Kits

Master Kit 73840-MK

    Helps cure:
  • Code 28, 1744, 1740
  • High line pressure
  • Cracked drum
  • Planetary failure
  • Bushing failure
  • Loss of lube oil
  • No cooler flow during failsafe
Zip Kits

O-Ringed End Plug Kit 73840-06

Fits pressure regulator valve bore.

    Helps cure:
  • Line pressure instability
  • Burnt clutches & bands
  • Low EPC pressure
  • Low line pressure
Zip Kits

Oversized Bypass Clutch Control Valve Kit 73840-BK

    Helps cure:
  • Code 628, 1744, 1740
  • Reduced converter clutch life
  • Planetary failure
  • Bushing failure
  • Loss of lube oil
Zip Kits

Oversized Line Modulator Valve Kit 73840-27K

    Helps cure:
  • 1-2 Long
  • 1-2 Harsh
  • Erratic shifts
  • Low line rise
  • High line pressure
Zip Kits

Oversized Pressure Regulator & Converter Regulator Valve Kit 73840-RK

    Helps cure:
  • Code 28, 1744, 1740
  • High line pressure
  • Cracked drum
  • Planetary failure
  • Bushing failure
  • Loss of lube oil
  • No cooler flow during failsafe
Servo/Band
Zip Kits

Servo Return Spring 73708

Fits '94-'08 except applications with the shorter spring.

    Helps cure:
  • 1-2 Soft
  • 3-4 Soft
  • 2-3 Flare
Other
Zip Kits

Drill Kit 73840-DK

For Lube Modification

Zip Kits

Tool Kit F-73840-TL27

Zip Kits

Tool Kit 73840-BTL

Zip Kits

Tool Kit F-73840-TL