Sonnax 77998-01K Transmission Kit, 3-4 Accumulator Piston & Sleeve 4L60E 4L65E
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Sonnax 77998-01K Transmission Kit, 3-4 Accumulator Piston & Sleeve 4L60E 4L65E

$24.37
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Brand: SonnaxOther Part Number: S74937-1KType: Transmission Case RepairInterchange Part Number: S74927AKManufacturer Warranty: YesItems Included: Accumulator Sleeve, Piston with O-Ring, PinManufacturer Part Number: 77998-01KUniversal Fitment: YesVintage Part: NoPerformance Part: No 4L60, 4L60-E, 4L65-E, 4L70-E Transmission Case Saver 3-4 Accumulator Sleeve KitPart No. 77998-01K The 3-4 accumulator bore on GM 4L60 and 4L60-E series cases can become scored, resulting in the loss of 4th servo feed and 4th accumulator pressure. Scoring is caused by repeated oscillation of the accumulator piston within the bore during normal operation. Once this bore is damaged, the case must be scrapped. Sonnax 3-4 accumulator sleeve kit 77998-01K counteracts bore wear and features upgraded materials for greater durability. The kit's piston is compatible with all OE accumulator springs. Sleeve is manufactured from wear-resistant aluminum Requires n

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