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Sonnax Boost Valve Kit For 4L60E 4L65E 77898E-3K

Product Description For Sonnax Parts

Product Part No: -- 77898E-3K

Transmissions: -- 4L60E 4L65E
Pricing Information:
Package and Weight
Package Quantity: 1 ea Weight: 1.50 lbs
Base Price:
$29.93
Product Description
Early pump design, .490 Dia., Factory style sleeve, no o-rings
View Part Detail & Install Instructions
Sonnax Boost Valve Kit 77898E-3K
WARNING: OE has made multiple pump design changes. Transmission will not function properly if the wrong length sleeve is installed. Verify length of OE sleeve and select Sonnax kit with equivalent sleeve length:

Part Contents

  1. Valve 490", No Groove:
  2. Sleeve:
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