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Sonnax 57917E-08K Oversized Pressure Regulator Boost Valve Kit

Part of: Sonnax Oversized Pressure Regulator Boost Valve Kit

Other options in this family: Sonnax 104520-16K Sonnax 76948-16K Sonnax 27741-08K

Manufacturer

Picture for manufacturer Sonnax

Part Number

57917E-08K
6 reviews
Sale Price

$117.14

4 left at this price

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Usually delivered within 2 days

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Product Details

The Sonnax 57917E-08K oversized pressure regulator and boost valve kit is designed to address hydraulic control issues in Toyota and Lexus transmissions. This kit features upgraded materials and precision tolerances to prevent wear and restore proper transmission operation.

Key Features:

  • Oversized pressure regulator valve with upgraded materials to prevent premature wear
  • Minimal clearances restore proper hydraulic control and pressure regulation
  • New spring included to work with the oversized valve and re-establish OE regulated pressure specifications
  • Increased ratio boost valve assembly specially designed to work with the oversized regulator valve
  • Addresses issues caused by continuous oscillation and severe wear of pressure regulator and boost valves

Applications:

  • Toyota/Lexus U140E transmissions
  • Toyota/Lexus U140F transmissions
  • Toyota/Lexus U240E transmissions
  • Toyota/Lexus U241E transmissions

Solves Common Problems:

  • Insufficient line rise in drive ranges
  • Excessively high pressures in Reverse
  • Shift quality issues and concerns
  • Clutch and band failures related to pressure control

Note: Requires reamer tool kit 57917E-TL8 for proper installation (sold separately).

all items showed up in different packages with one tracking number for 3 separate packages

Good price and service

Very quick shipping

easy to order

Good product, arrived in 2 days. I highly recommend.

Great parts fast shipping .

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