Top Sellers Automatic Transmission

Sonnax Spiral Retaining Ring Kit for 4R70E, 4R70W, 4R75E, 4R75W, AOD, AODE This kit is designed for use in roller clutch or mechanical diode applic...

Sonnax Overdrive Servo Pin Kit for 4R70E, 4R70W, 4R75E, 4R75W, AODE In AODE transmissions, a frequent issue is the failure of the intermediate rol...

Sonnax Bypass Blocker Valve Kit for 6R140 The Sonnax bypass blocker valve kit eliminates the problematic OE thermal element in Ford 6R140 transmiss...

Sonnax 3rd Accumulator Checkball and Seat for TH200-4R 4L60, 4L60E, 4L65E, 4L70E For the TH200-4R, 4L60, 4L60E, 4L65E, and 4L70E models, wear or th...

Pinless Accumulator Piston 1-2 & 3-4 Kit Sonnax TH700-R4 4L60E 4L65E 4L70E TH200-4R Upgrade your transmission with the Sonnax Pinless Accumulat...

Valve Body Checkballs – Set of 10 This set includes 10 high-performance checkballs (.250" size) made from durable, wear-resistant imidized plastic....

BUSHING CASE SONNAX "NO WALK OUT" TH400, 4L80E, 4L85E The OE case bushing in vehicles with a GM THM-400, 4L80-E and 4L85-E transmissions tends to w...

Sonnax Boost Valve Kit for 6L45, 6L50, 6L80, 6L90 Transmissions Upgrade your transmission's performance with the Sonnax Boost Valve Kit, designed f...

Boost Valve Kit 4L80-E, 4L85-E From Sonnax Compatible with '91-later units featuring a factory-style sleeve (no O-rings). Can also be retrofitted t...

Sonnax Pressure Switch Rebuild Installation Tool Kit 6L45 6L50 6L80 6L90 6T70 (Gen 1) 6T75 (Gen 1) Transmissions: 6L80 (MYC,6L80E) 2006-UP, 6L45 (...

Sonnax Valve Body Reaming Fixture – VB-FIX Repairing worn valve bores can be nearly impossible on some valve bodies due to the lack of a pilot poin...

Sonnax Boost Valve Kit for 4R70E, 4R70W, 4R75E, 4R75W, AODE Ford vehicles equipped with 4R70E, 4R70W, 4R75E, 4R75W, and AODE transmissions may exp...

Sonnax 1-2 And 2-3 Shift Valve Spring Kit for 4L80-E, 4L85-E In GM 4L80-E and 4L85-E transmissions, proper 4th gear operation relies on signal A oi...

Sonnax Overdrive Shim Kit: Precision & Convenience in One Introducing the Sonnax Overdrive Shim Kit 12783-01K, a solution that simplifies the p...

Sonnax Main Pressure Regulator Valve for 4R70E, 4R70W, 4R75E, 4R75W, AODE Ford vehicles equipped with 4R70E, 4R70W, 4R75E, 4R75W, and AODE transmis...

Sure Lock Spiral Snap Ring 4R100, E4OD From Sonnax First and second design Ford E4OD, 4R100 retaining rings have a known issue: they can pop out o...

CRANKSHAFT SPACE 6 HOLE 4R44E, 4R55E, 5R44E, 5R55E, A4LD The crankshaft spacer in A4LD, 4R44E and 5R55E applications is prone to cracking and wear ...

Sonnax Servo Release Check Valve Kit for TH700, TH700-R4, 4L60E, 4L65E, 4L70E The Sonnax Servo Release Check Valve Kit 77701-076 addresses key issu...

Kit of 8 Bushings For E1 E2 Drum DPO AL4 Contains8 x Bushing E1 E2 Drum DPO AL4Transmissions: DPO (DP0,AL4) 1998-UP Vehicle CHERYA3 2009-2017 4 SP...

Sonnax 3-4 Accumulator Spring for Chrysler Transmissions For Chrysler models such as the A500, A518, A618, and 48RE, a frequent issue is the fatig...

Sonnax Boost Valve Kit for 4L80-E, 4L85-E GM 4L80-E and 4L85-E transmissions often encounter issues like uncontrollable line rise (up to 500-600 ps...

Sonnax Zip Kit for Gen 1 10L60, 10L80, 10L90, 10R60, 10R80, 10R90 The Sonnax Zip Kit 10L80-G1-10R80-ZIP is engineered to resolve the most common is...

Sonnax Solenoid Regulator Valve Kit for 4R70E, 4R70W, 4R75E, 4R75W, AODE In Ford 4R70E, 4R70W, 4R75E, 4R75W, and AODE transmissions, the solenoid r...

BUSHING PUMP BODY SONNAX OVERSIZED ZF5HP19 Normal operation of the ZF5HP19 transmission causes wear that leads to excessive bushing and shaft clear...