• 4R100
• E4OD

Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressi...Read More

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• 4R100

Sonnax Performance Pack HP-4R100-01 offers innovative, heavy-duty calibration for firmer shifts under load without sacrificing low-speed drivability. Precision com...Read More

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• 4R100
• E4OD

Sonnax kit SC-E4OD has been discontinued and replaced by Sonnax Zip Kit E4OD-4R100-ZIP. Formerly a popular Sure Cure® option, Sonnax Zip Kit E4OD-4R100-ZIP incl...Read More

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• 4R100
• 4R100, 6-Stud, Multi-Plate Performance Converter

Sonnax performance converter kit FD-RK-22 is a heavy-duty, dampered multi-plate kit that improves holding capacity in the Ford 4R100, 6-stud converter without sacr...Read More

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• 4R100
• 4R100, 6-Stud, Multi-Plate Performance Converter

Sonnax performance converter kit FD-RK-23 is available for Ford 4R100, 6-stud converters. The Sonnax heavy-duty, damperless multi-plate kit pairs the salvaged OE f...Read More

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• 4R100
• 5R110W
• E4OD

Input shaft failure is common as power levels are increased in Ford 4R100, E4OD and 5R110W units. Sonnax heavy duty input shaft 36670-HD is precision-engineered fo...Read More

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• 4R100
• 5R110W, 6-Stud
• 5R110W, 6-Stud, Multi-Plate Performance Converter

Sonnax shim FD-WS-39 is designed for use with Sonnax thrust bearing FD-N-9 in Ford 4R100 and 5R110W, 6-stud converters.

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• 298mm LU (TH250C, TH350C, 200-4R, 4L60 & E)
• 4R100
• 5R110W, 6-Stud

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• 298mm LU (TH250C, TH350C, 200-4R, 4L60 & E)
• 4R100
• 5R110W, 6-Stud

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• 6R100
• 6R80 (2015-Later)
• Kit will not fit 6R80 2014-earlier units

Sonnax Zip Kit® 6R80L-6R100-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the Ford 6R100 and 2015-later 6R80...Read More

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• 4R100
• E4OD

First and second design Ford E4OD, 4R100 retaining rings are known to pop out of the retaining ring groove, causing initial failure or costly comebacks. Sonnax Sur...Read More

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• 4R100
• E4OD
• Fits all 4R100 pumps. Fits '95-later F5 and F8 E4OD pumps.

In Ford E4OD and 4R100 applications, the OE pump gears often become worn, allowing pressure and volume to drop. This results in problems such as low line pressure,...Read More

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• 4R100
• Fits PWM units only.

Ford 4R100 PWM units use a plunger valve assembly and coil spring to cushion the TCC control valve. That assembly uses regulated converter pressure as a variable h...Read More

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• 4R100
• E4OD
• Adapts the Ford C5, C6, AOD and E4OD turbine to the 4R100 multiplate clutch assembly.

The Sonnax hub features an upgraded design that improves oil flow for piston release for 4R100 units. On the OE converter piston, release oil flows between the nee...Read More

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• 4R100
• E4OD
• Fits all 4R100 pumps. Fits '95-later F5 and F8 E4OD pumps.

In Ford E4OD and 4R100 applications, the OE pump gears often become worn, allowing pressure and volume to drop. This results in problems such as low line pressure,...Read More

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• 4R100
• E4OD

Ford E4OD and 4R100 accumulator springs can break, weaken or collapse, causing long, soft shifts, particularly in towing and heavy-duty applications. Recalibrate s...Read More

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• 4R100
• C6
• E4OD

Installation Tool for 36008B, 36008C, 36008D. Also for use with Sure Cure SC-E4OD and Performance Pack HP-4R100-01.

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• 4R100
• E4OD
• F1, F5, F8 & E9 pump castings

Ford E4OD, 4R100 transmissions often have problems with converter overheat, codes 62, 628, 1744, high line pressure and low cooler flow. The OE valve can close off...Read More

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• 4R100
• '98-later with PWM TCC. If supplying a core for your solenoid, please order 36424D-RRP. If no core available, please order 36424D-C.

Rebuilders now have a no-hassle option of replacing worn or contaminated E4OD, 4R100 solenoid blocks with Sonnax 36424B-RRP and 36424D-RRP remanufactured solenoid ...Read More

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• 4R100
• E4OD
• Printed silicone bead

In Ford 4R100 and E4OD units, leakage between center support and hub can cause forward clutch failure and/or poor lube oil flow. This leakage can be caused by a nu...Read More

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• 4R100
• E4OD

In Ford 4R100 and E4OD units, a major cause of low clutch apply pressure, soft shifts and burned clutches is leakage between the case and the clutch feed passages ...Read More

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• 4R100
• E4OD
• Factory Style, No O-Rings

Vehicles with Ford E4OD and 4R100 transmissions frequently have problems with poor line rise and/or soft shifts. These complaints are often caused by severe wear o...Read More

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• 4R100
• E4OD
• Melt-proof aluminum

In Ford 4R100 and E4OD units, the OE plastic front lube/drainback valve assembly can melt at elevated fluid temperature. Once the plastic ball seat or ball seat st...Read More

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• 4R100
• E4OD
• F1, F5, F8 & E9 pump castings

Ford E4OD, 4R100 transmissions often have problems with converter overheat, codes 62, 628, 1744, high line pressure and low cooler flow. The OE valve can close off...Read More

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• 4R100
• E4OD

As the bore wears in Ford 4R100 and E4OD units, the accumulator pressure control valve will either remain inward, due to loss of balance oil, or stick outward. Inw...Read More

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• 4R100
• E4OD
• O-Ring Style

Vehicles with Ford E4OD and 4R100 transmissions frequently have problems with poor line rise and/or soft shifts. These complaints are often caused by severe wear o...Read More

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