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Sonnax 89031-01K Boost Valve Kit - A540

Part of: Sonnax Boost Valve Kit

Other options in this family: Sonnax 76948-02K Sonnax 34200-01K Sonnax 34200-03K Sonnax 119940-05K Sonnax 36946-02K

Manufacturer

Picture for manufacturer Sonnax

Part Number

89031-01K
7 reviews
Sale Price

$36.77

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sonnax 89031-01K boost valve kit is designed for Toyota A540, A540E, A540H, and A541E automatic transmissions. This precision-engineered valve helps regulate transmission line pressure to ensure proper operation and prevent pressure-related issues.

Key Features:

  • Direct replacement for OE boost valve components
  • Restores proper line pressure regulation
  • Addresses pressure control and shift quality issues
  • Manufactured to exacting tolerances for reliable performance
  • Includes installation instructions

This boost valve kit is an essential component for professional transmission rebuilds and repairs, helping to restore proper hydraulic function and extend transmission life. Sonnax valve body parts are widely recognized in the transmission industry for their quality and precision engineering.

Great!

pretty easy

Your selection and service is great. The only issue i had was knowing if the product i was ordering was a stock item. I had to contact your customer service about three days after ordering to get an estimated delivery time, would have been nice to know sooner.

Very easy to find what I wanted

The item arrived three days after I ordered it very fast shipping thank you

All good at this time ty

These were long enough, unlike the first ones I ordered. Six foot doesn't do the job for even the smallest boats.

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