RE4R03A TRANSMISSION OVERDRIVE SERVO PISTON KIT BY SONNAX FITS 300ZX & Q45 (62170-01K)

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A73902K
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$85.99
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NISSAN    INFINITI
RE4R03A  
'90-'01 4-SPEED AUTOMATIC TRANSMISSIONS:
OVERDRIVE SERVO PISTON KIT
  • SONNAX 62170-01K
 
 
  • The overdrive servo piston in Jatco/Nissan JR403E units is prone to cracking, allowing apply oil leakage that causes poor 3-4 shift quality and burned bands. The OE servo cover bolts stretch and break under normal use. As the cover becomes loose, it allows the piston to cock and break. Sonnax overdrive servo piston pit 62170-01K is thicker and stronger and will not break like the OE pistons do.
  • Piston is made from billet aluminum for greater strength and wear resistance
  • The 88mm (3.46") 4th piston can be used to upgrade from the smaller 75mm (2.953") 4th piston when used with a larger piston housing
  • High-strength bolts will not stretch, and keep cover firmly secured
  • FITS RE4R03A EQUIPPED NISSAN & INFINITI:

 

YearsVehicleDrive Types
1990 - 2001 Infiniti Q45 RWD
1990 - 1996 Nissan 300ZX RWD

 

 
  • OVERDRIVE SERVO PISTON KIT
  • SONNAX 62170-01K
  • KIT INCLUDES:
    • Servo Piston 88mm
    • D-Ring
    • Bolts 6mm, Hardened
  • Replaces OE 88mm piston. Will also upgrade 75mm piston if used with new piston housing.
  • PHOTO SHOWS ACTUAL KIT
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