Top Sellers Automatic Transmission

Pinion Bronze Washer Kit (6) Sonnax Sun Gear 24 tooth 5R55N 5R55S 5R55W Fits .452in dia. pinion pins. For OD planetaries with 24-tooth sun gear Tra...

Primary Pulley Front Bearing for Engine 1.6L or Over JF015E RE0F11A  OD : 82 mm ID: 30 mm Width: 14.5 mmTransmissions: JF015E (F1CJB,RE0F11A) 2010...

Sonnax Shift Cable Mount Bracket 4L60E 1996/97 4L80E 4L85E 1996 Transmission cases made in 1994 and 1995 have neutral safety switch mounting holes ...

Secondary Pulley Front Bearing JF015E RE0F11A OD : 85 mm ID: 45 mm Width: 15 mmTransmissions: JF015E (F1CJB,RE0F11A) 2010-UP Vehicle CHEVROLETSPAR...

Primary Pulley Front Bearing for Engine Under 1.6L Sonnax JF015E RE0F11A  OD : 85 mm ID: 30 mm Width: 13 mmTransmissions: JF015E (F1CJB,RE0F11A) 2...

Input Counter Drive Bearing Sonnax JF015E RE0F11A OD : 39 mm ID: 17 mm Width :12 mmTransmissions: JF015E (F1CJB,RE0F11A) 2010-UP Vehicle CHEVROLET...

Sonnax Boost Valve Kit for U140E, U140F, U240E, U241E Vehicles from Toyota and Lexus equipped with U140E, U140F, U240E, and U241E transmissions may...

Boost Valve Kit 4R100, E4OD From Sonnax: O-Ring Style Vehicles equipped with Ford E4OD and 4R100 transmissions are often plagued by issues such as ...

Sonnax High Capacity 4-5-6 Clutch Apply Piston Kit for 6L80, 6L90 Designed for use with OE-style, 36-tooth friction plates and original-equipment s...

Governor Bracket And Spring Kit From Sonnax Address the common issue of sticking primary weights in Chrysler A404, A413, A470, and A670 units with ...

Sonnax Center Support Seal Kit for 6L45, 6L50, 6L80, 6L90 In GM 6L45, 6L50, 6L80, and 6L90 transmissions, the rubber seals between the center suppo...

Pump Flow Control Valve Kit for 5R55N, 5R55S, 5R55W Drop-in Replacement In Ford 5R55N, 5R55S, and 5R55W transmissions, the Original Equipment (OE) ...

Sonnax Line Pressure Booster Kit for 4L60-E, 4L65-E, 4L70-E The 4L60E-LB1 Line Pressure Booster Kit is expertly designed to fit early-style GM 4L60...

Sonnax Zip Kit for U140E, U140F, U240E, U241E Valve Bodies The Sonnax Zip Kit U140E-U241E-ZIP is specifically designed to address the root causes o...

Designed for VW/Audi 01M, 01N, and 01P Transmissions The Problem: In VW/Audi 01M, 01N, and 01P transmissions, constant valve oscillation causes the...

Sonnax Accumulator Piston Kit for 40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 45RFE, 545RFE, 62TE, 65RFE, 66RFE, 68RFE Accumulator piston scuffing...

Sonnax Line Pressure Booster Kit for TH400 The Sonnax Line Pressure Booster Kit for the TH400 transmission is designed to enhance your vehicle’s pe...

Sonnax Line Pressure Modulator Plunger Valve Kit for E4OD 4R100 In some Ford E4OD and 4R100 transmissions, issues such as soft 1-2 or 2-3 shifts, i...

Sonnax Case Saver Retainer for TH400 & '98-Earlier 4L80-E The Sonnax case saver retainer 34762-10 is the only intermediate clutch retaining rin...

Sonnax Secondary Pulley Bearing for Cover Side For F011E, RE0F10A, F1CJA Transmissions The Sonnax secondary pulley bearing (part number 33229N) is ...

Sonnax Planetary Rebuild Kit for 4L80-E, TH400 Transmissions Optimize the performance of your TH400 or '98-earlier 4L80-E transmission with the Son...

Sonnax Zip Kit for 6T70 and 6T75 Transmissions (2007-2012) The Sonnax Zip Kit 6T70-ZIP is specifically designed to address the root causes of vari...

Sonnax Oversized Solenoid Regulator Valve for VW/Audi Transmissions Designed to address common wear and tear issues in VW/Audi 096, 097, 098, 01M, ...

Boost Valve Kit for 4L30-E Medium Ratio, OE Code 448 In GM 4L30-E units, the original equipment (OE) boost valves are constructed from steel, while...