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Valve Assembly / boost W/orings /  Gm 4L60E /  4L65E /  4L70E /  Late Style /  1.809" Length (short) Sleeve /  0.421" (valve: 3 Grooves /  Sleeve: No Groove)
SKU 77898E-14K

Valve Assembly / boost W/orings / Gm 4L60E / 4L65E / 4L70E / Late Style / 1.809" Length (short) Sleeve / 0.421" (valve: 3 Grooves / Sleeve: No Groove)

$61.86

Sonnax Valve Assembly Boost with O-Rings for GM 4L60E, 4L65E, 4L70E Transmissions

Restore proper line pressure and shift quality in your GM transmission with this Sonnax valve assembly boost with O-rings, designed for late-style 4L60E, 4L65E, and 4L70E units. Manufactured by Atk, this precision component features a 1.809" short sleeve and a 0.421" valve with three grooves, delivering a direct-fit solution for worn or sticking boost valves. Whether you are rebuilding a transmission or addressing specific hydraulic issues, this valve assembly offers reliable performance for Chevrolet and GM vehicles.

Key Features

  • Precision-engineered by Atk for late-style GM 4L60E, 4L65E, and 4L70E transmissions
  • Includes O-rings for a complete, ready-to-install solution
  • Short sleeve design measures 1.809" in length for exact fitment
  • Valve features three grooves with a 0.421" diameter; sleeve has no groove
  • Helps correct boost valve-related pressure problems and extends transmission life

Compatibility

This valve assembly is compatible with Chevrolet and Chevrolet/GM vehicles equipped with GM 4L60, 4L60E, 4L65E, and 4L70E transmissions. It is a late-style replacement part, ensuring proper function in the specified applications.

Why Choose This Part?

When you need a dependable fix for your GM transmission, this Sonnax valve assembly from Atk delivers the quality and precision you expect. Its exact dimensions and included O-rings simplify installation, while the robust construction ensures long-lasting performance. Do not let a faulty boost valve compromise your transmission—order this valve assembly today and get your vehicle shifting smoothly again.

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