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  • Original price $5.34 - Original price $5.34
    Original price
    $5.34
    $5.34 - $5.34
    Current price $5.34

    Sonnax 34716-01 Sealing rings input shaft oversized fits 4L80-E, 4L85-E

    Sonnax
    3 in stock

    Fitment Type: Direct ReplacementItems Included: 2-Pack Oversized Sealing RingsManufacturer Part Number: 34716-01Country of Manufacture: United Stat...

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    Original price $5.34 - Original price $5.34
    Original price
    $5.34
    $5.34 - $5.34
    Current price $5.34
  • Original price $8.40 - Original price $8.40
    Original price
    $8.40
    $8.40 - $8.40
    Current price $8.40

    Sonnax 34821-01 Planetary Thrust Bearing

    Sonnax
    4 in stock

    Brand: SonnaxNon-Domestic Product: NoFitmentType: ReplacementCustom Bundle: NoManufacturer Part Number: 34821-01MPN: 34821-01Modified Item: No 4L...

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    Original price $8.40 - Original price $8.40
    Original price
    $8.40
    $8.40 - $8.40
    Current price $8.40
  • Original price $24.69 - Original price $24.69
    Original price
    $24.69
    $24.69 - $24.69
    Current price $24.69

    Sonnax 34910-03K Transmission Pressure Regulator Valve Kit TH400 3L80 71-98

    Sonnax
    Out of stock

    Brand: SonnaxOther Part Number: S34507PKType: Pump ComponentItems Included: Pressure RegulatorManufacturer Part Number: 34910-03KMaterial: SteelUni...

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    Original price $24.69 - Original price $24.69
    Original price
    $24.69
    $24.69 - $24.69
    Current price $24.69
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  • Original price $17.66 - Original price $17.66
    Original price
    $17.66
    $17.66 - $17.66
    Current price $17.66

    Sonnax 34994-01K Transmission Torque Converter Clutch (TCC) Regulator Valve

    Sonnax
    19 in stock

    Brand: SonnaxOther Part Number: S34741CKType: Lock-up Valve KitInterchange Part Number: S34741CKItems Included: TCC Regulator Valve KitManufacturer...

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    Original price $17.66 - Original price $17.66
    Original price
    $17.66
    $17.66 - $17.66
    Current price $17.66
  • Original price $3.77 - Original price $3.77
    Original price
    $3.77
    $3.77 - $3.77
    Current price $3.77

    Sonnax 34994-02K Transmission 1-2 & 3-4 Shift Valve Spring Kit 4L80E 91-18

    Sonnax
    20 in stock

    Brand: Sonnax Other Part Number: S34741S-3 Items Included: 1-2 & 2-3 Shift Valve Spring Kit Manufacturer Part Number: 34994-02K Universal Fitme...

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    Original price $3.77 - Original price $3.77
    Original price
    $3.77
    $3.77 - $3.77
    Current price $3.77
  • Original price $9.66 - Original price $9.66
    Original price
    $9.66
    $9.66 - $9.66
    Current price $9.66

    Sonnax 34994-13 O-Ringed End Plug Kit TCC shift valve bore with .497" dia. 4L80E

    Sonnax
    6 in stock

    Brand: SonnaxType: Valve body repair partsItems Included: 5-Pack O-ringed End PlugsManufacturer Part Number: 34994-13Material: AluminumUniversal Fi...

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    Original price $9.66 - Original price $9.66
    Original price
    $9.66
    $9.66 - $9.66
    Current price $9.66
  • Original price $22.73 - Original price $22.73
    Original price
    $22.73
    $22.73 - $22.73
    Current price $22.73

    Sonnax 38511-05k 3L80 TH400 Transmission Manual Shift Shaft Kit

    Sonnax
    Only 1 left!

    Brand: SonnaxType: Shifter Shaft Replacement KitInterchange Part Number: S34991-4KOE/OEM Part Number: 8661611Items Included: Manual Shift Shaft, 2 ...

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    Original price $22.73 - Original price $22.73
    Original price
    $22.73
    $22.73 - $22.73
    Current price $22.73
  • Original price $32.29 - Original price $32.29
    Original price
    $32.29
    $32.29 - $32.29
    Current price $32.29

    Sonnax 400-LB1 TH400 Transmission Boost Valve & Sleeve Progressive Line Pressure

    Sonnax
    Out of stock

    Brand: SonnaxOther Part Number: S34507FType: Performance Boost Valve KitItems Included: Boost Valve, Sleeve, Spring, O-ringsManufacturer Part Numbe...

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    Original price $32.29 - Original price $32.29
    Original price
    $32.29
    $32.29 - $32.29
    Current price $32.29
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  • Original price $4.73 - Original price $4.73
    Original price
    $4.73
    $4.73 - $4.73
    Current price $4.73

    Sonnax 402 Transmission Gear, Governor Gear Repair Package TH400 3L80 65-98

    Sonnax
    50 in stock

    Manufacturer Part Number: 402Other Part Number: A34684Brand: Sonnax 400 Governor Gear KitPart No. 402 Contents ...

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    Original price $4.73 - Original price $4.73
    Original price
    $4.73
    $4.73 - $4.73
    Current price $4.73
  • Original price $63.34 - Original price $63.34
    Original price
    $63.34
    $63.34 - $63.34
    Current price $63.34

    Sonnax 4L80E Transmission Lube Regulated Pressure Regulator Valve 34200-14K

    Sonnax
    4 in stock

    Brand: SonnaxFitment Type: Performance/CustomItems Included: Pressure RegulatorManufacturer Part Number: 34200-14KMaterial: SteelUniversal Fitment:...

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    Original price $63.34 - Original price $63.34
    Original price
    $63.34
    $63.34 - $63.34
    Current price $63.34
  • Original price $399.88 - Original price $399.88
    Original price
    $399.88
    $399.88 - $399.88
    Current price $399.88

    Sonnax Performance 4L80E 4L85E Input Shaft 300M Heavy Duty handles up to 1000HP

    Sonnax
    5 in stock

    Non-Domestic Product: NoCustom Bundle: NoFitment Type: Direct ReplacementItems Included: Heavy Duty 300M Input ShaftManufacturer Part Number: 34670...

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    Original price $399.88 - Original price $399.88
    Original price
    $399.88
    $399.88 - $399.88
    Current price $399.88
  • Original price $319.88 - Original price $319.88
    Original price
    $319.88
    $319.88 - $319.88
    Current price $319.88

    Sonnax Performance 4L80E 4L85E TH400 Main Shaft 300M Heavy Duty up to 1000HP

    Sonnax
    Only 2 left!

    Non-Domestic Product: NoCustom Bundle: NoFitment Type: Direct ReplacementItems Included: Heavy Duty 300M Input ShaftManufacturer Part Number: 34672...

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    Original price $319.88 - Original price $319.88
    Original price
    $319.88
    $319.88 - $319.88
    Current price $319.88
  • Original price $291.31 - Original price $291.31
    Original price
    $291.31
    $291.31 - $291.31
    Current price $291.31

    Sonnax Performance Pack HP-4L80E-01 - UPGRADES your complete transmission!

    Sonnax
    3 in stock

    Non-Domestic Product: NoCustom Bundle: NoFitment Type: Direct ReplacementItems Included: See pictureManufacturer Part Number: HP-4L80E-01Vintage Pa...

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    Original price $291.31 - Original price $291.31
    Original price
    $291.31
    $291.31 - $291.31
    Current price $291.31
  • Original price $101.34 - Original price $101.34
    Original price
    $101.34
    $101.34 - $101.34
    Current price $101.34

    Sonnax SC-4L80E Transmission Sure Cure Kit (Requires 77754-TL) 4L80E 91-18

    Sonnax
    5 in stock

    Brand: SonnaxOther Part Number: S34174Interchange Part Number: S34741CCKManufacturer Part Number: SC-4L80EUniversal Fitment: YesVintage Part: NoPer...

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    Original price $101.34 - Original price $101.34
    Original price
    $101.34
    $101.34 - $101.34
    Current price $101.34
  • Original price $5.81 - Original price $5.81
    Original price
    $5.81
    $5.81 - $5.81
    Current price $5.81

    Sonnax THM425 425 Front Wheel Drive Governor Gear Kit TH425 HD Nylon New 1966-On

    Sonnax
    5 in stock

    Other Part Number: K34411AFitment Type: Direct ReplacementItems Included: Gear, Nails (2), Roll PinManufacturer Part Number: 425Country of Manufact...

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    Original price $5.81 - Original price $5.81
    Original price
    $5.81
    $5.81 - $5.81
    Current price $5.81
  • Original price $17.57 - Original price $17.57
    Original price
    $17.57
    $17.57 - $17.57
    Current price $17.57

    TH400 4L80E Transmission Thrust Bearing Kit 1964-98 Chevy GMC Olds Pontiac 3-pcs

    Sonnax
    Out of stock

    Country/Region of Manufacture: United StatesOE/OEM Part Number: 8623920, 8623921, 8623922Interchange Part Number: 34201AMaterial: SteelOther Part N...

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    Original price $17.57 - Original price $17.57
    Original price
    $17.57
    $17.57 - $17.57
    Current price $17.57
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  • Original price $46.93 - Original price $46.93
    Original price
    $46.93
    $46.93 - $46.93
    Current price $46.93

    TH400 TURBO 400 TRANSMISSION Sonnax Heavy Duty Stator Support Shaft 34910S-01

    Sonnax
    Only 2 left!

    Brand: SonnaxOther Part Number: S34529Type: Pump Stator ShaftInterchange Part Number: S34529Manufacturer Warranty: YesFitment Type: Performance/Cus...

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    Original price $46.93 - Original price $46.93
    Original price
    $46.93
    $46.93 - $46.93
    Current price $46.93