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Sonnax Boost Valve Kit 4L80E 4L85E 34200-03K

Product Description For Sonnax Parts

Product Part No: -- 34200-03K

Transmissions: -- 4L80E 4L85E
Pricing Information:
Package Size and Weight
Package Quantity: 1 ea Weight: 1.50 lbs
Base Price:
Product Description
Fits '91-later units with factory-style sleeve. Can be retrofit to '89-91 units. See instructions for details
View Part Detail & Install Instructions
Sonnax Boost Valve Kit 34200-03K
Note: If you detect leakage between the sleeve and pump bore, use 34200-01K, which includes an O-ringed sleeve to compensate for pump bore wear and prevent pump scrappage. Part Contents instructions to retrofit parts dating back to 89:
  1. Boost Valve:
  2. Boost Sleeve Factory style, no O-rings:
  3. Balance Plug with O-Ring:
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