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Sonnax

4R100 E4OD Bore Sizing Tool

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Now: $99.95

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4R100 E4OD Center Support Ball Bearing (1995-UP)

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Now: $22.95

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4R100 Sonnax Shift Performance Pack

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Now: $199.95

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4R100 TCC Control Plunger Valve Kit (PWM) Sonnax

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Now: $29.95

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4R44E 4R55E 5R44E 5R55E Boost Valve Kit (OE Ratio) Sonnax

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Now: $38.95

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4R44E 4R55E 5R44E 5R55E A4LD C3 Reverse Servo Sleeve Kit - Sonnax

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Now: $34.95

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4R44E 4R55E 5R44E 5R55E A4LD Crankshaft Spacer (6-Bolt Holes) Sonnax

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Now: $23.95
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4R44E 4R55E 5R44E 5R55E A4LD Crankshaft Spacer (8-Bolt Holes) Sonnax

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Now: $27.95

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4R44E 4R55E 5R44E 5R55E A4LD Relief Valve (10-Pack) Sonnax
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4R44E 4R55E 5R44E 5R55E Boost Valve Kit (Increased Ratio) Sonnax

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Now: $42.95

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4R44E 4R55E 5R44E 5R55E Elevated Pressure Main Pressure Regulator Spring (20-Pack) Sonnax
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Sonnax

4R44E 4R55E 5R44E 5R55E HD TCC Regulator Valve Spring Kit (5-Pack) Sonnax
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4R44E 4R55E 5R44E 5R55E Inner Reverse modulator Valve - Sonnax

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Now: $34.95

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4R44E 4R55E 5R44E 5R55E O-Ringed End Plug & Checkball Kit - Sonnax

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Now: $34.95

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4R44E 4R55E 5R44E 5R55E Outer Reverse Modulator Valve (OE Size) Sonnax

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Now: $39.95

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Sonnax

4R44E 4R55E 5R44E 5R55E Powerglide Thrust Bearing - Sonnax

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Now: $22.95

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Sonnax

4R44E 4R55E 5R44E 5R55E Pressure Regulator Valve - Sonnax

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Now: $44.95

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Sonnax

4R44E 4R55E 5R44E 5R55E Sonnax Performance Zip Kit

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Now: $125.00

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4R44E 5R55E 5R44E 5R55E TCC Regulator Valve (OE Size) Sonnax

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Now: $29.95

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Sonnax

4R44E/4R55E 5R44E 4R70 4R75 AOD AODE A4LD Shift Lever Case Bore Repair Sleeve (Tooling Required) Sonnax DISCONTINUED

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Now: $22.95

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Sonnax

4R100 E4OD Bore Sizing Tool

4R100, E4OD Bore Sizing ToolPart No. 36948-12 Sonnax bore sizing tool 36948-12 smooths and deburrs accumulator control valve bores to permit salvage of accumulator bodies. This tool allows...

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Now: $99.95
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Sonnax

4R100 E4OD Center Support Ball Bearing (1995-UP)

4R100, E4OD Center Support Ball BearingPart No. 96423-01 The 96423-01 Center Support Ball Bearing is an OE equivalent replacement for damaged and worn center support ball bearings in the...

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Now: $22.95
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Sonnax

4R100 Sonnax Shift Performance Pack

4R100 Performance PackPart No. HP-4R100-01 Tooling Needed: 36948-12 (Recommended) T36008A (Recommended) Sonnax Performance Pack HP-4R100-01 offers innovative, heavy-duty...

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Now: $199.95
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Sonnax

4R100 TCC Control Plunger Valve Kit (PWM) Sonnax

4R100 TCC Control Plunger Valve KitPart No. 36424-08K 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...

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Now: $29.95
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4R44E 4R55E 5R44E 5R55E Boost Valve Kit (OE Ratio) Sonnax

4R44E, 4R55E, 5R44E, 5R55E Boost Valve KitPart No. 37947-01K OE Ratio Some typical problems in Ford 4R44E, 4R55E, 5R44E and 5R55E units are soft shifts, delayed Reverse, poor...

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Now: $38.95
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4R44E 4R55E 5R44E 5R55E A4LD C3 Reverse Servo Sleeve Kit - Sonnax

4R44E, 4R55E, 5R44E, 5R55E, A4LD, C3 Reverse Servo Sleeve KitPart No. 56532-01K The reverse servo bore found on the case of listed Ford transmissions can become scored...

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Now: $34.95
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4R44E 4R55E 5R44E 5R55E A4LD Crankshaft Spacer (6-Bolt Holes) Sonnax

4R44E, 4R55E, 5R44E, 5R55E, A4LD Crankshaft SpacerPart No. 56000-CS6 The crankshaft spacer in A4LD, 4R44E and 5R55E applications is prone to cracking and wear because the...

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Now: $23.95
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4R44E 4R55E 5R44E 5R55E A4LD Crankshaft Spacer (8-Bolt Holes) Sonnax

4R44E, 4R55E, 5R44E, 5R55E, A4LD Crankshaft SpacerPart No. 56000-CS8 The crankshaft spacer in A4LD, 4R44E and 5R55E applications is prone to cracking and wear because the...

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Now: $27.95
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Sonnax

4R44E 4R55E 5R44E 5R55E A4LD Relief Valve (10-Pack) Sonnax

4R44E, 4R55E, 5R44E, 5R55E, A4LD Relief ValvePart No. 10000-02K High radius Package Quantity: 10 Sonnax offers relief valve 10000-01K to replace the...

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4R44E 4R55E 5R44E 5R55E Boost Valve Kit (Increased Ratio) Sonnax

4R44E, 4R55E, 5R44E, 5R55E Boost Valve KitPart No. 37947-03K Increased Ratio Some typical problems in Ford 4R44E, 4R55E, 5R44E and 5R55E units are soft shifts, delayed Reverse,...

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Now: $42.95
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4R44E 4R55E 5R44E 5R55E Elevated Pressure Main Pressure Regulator Spring (20-Pack) Sonnax

4R44E, 4R55E, 5R44E, 5R55E Elevated Pressure Main Pressure Regulator SpringPart No. 56947-17 Package Quantity: 20 The OE springs in many Ford transmissions wear or become...

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4R44E 4R55E 5R44E 5R55E HD TCC Regulator Valve Spring Kit (5-Pack) Sonnax

4R44E, 4R55E, 5R44E, 5R55E TCC Regulator Valve Spring KitPart No. 37947-46K The 2.3L TCC regulator valve has a lower spring rate and lower apply pressure than the 4.0L. If the...

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4R44E 4R55E 5R44E 5R55E Inner Reverse modulator Valve - Sonnax

4R44E, 4R55E, 5R44E, 5R55E Inner Reverse Modulator ValvePart No. 37947-53 OE Size Debris and constant oscillation of the inner reverse modulator valve in listed Ford units can...

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Now: $34.95
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4R44E 4R55E 5R44E 5R55E O-Ringed End Plug & Checkball Kit - Sonnax

4R44E, 4R55E, 5R44E, 5R55E O-Ringed End Plug & Checkball KitPart No. 37947-13K The end plugs at the kick downshift control, manual low, and throttle downshift control valves...

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Now: $34.95
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4R44E 4R55E 5R44E 5R55E Outer Reverse Modulator Valve (OE Size) Sonnax

4R44E, 4R55E, 5R44E, 5R55E Outer Reverse Modulator ValvePart No. 37947-52 OE Size Debris and constant oscillation of the outer reverse modulator valve in listed Ford units can...

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Now: $39.95
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4R44E 4R55E 5R44E 5R55E Powerglide Thrust Bearing - Sonnax

4R44E, 4R55E, 5R44E, 5R55E, Powerglide Thrust BearingPart No. 56241 The Sonnax thrust bearing 56241 is a direct replacement for the following Ford 4R44E, 5R44E, 4R55E and...

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Now: $22.95
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4R44E 4R55E 5R44E 5R55E Pressure Regulator Valve - Sonnax

4R44E, 4R55E, 5R44E, 5R55E Pressure Regulator ValvePart No. 37947-54 OE Size Debris and constant oscillation of the pressure regulator valve in listed Ford units can create...

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Now: $44.95
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Sonnax

4R44E 4R55E 5R44E 5R55E Sonnax Performance Zip Kit

4R44E, 4R55E, 5R44E, 5R55E Zip Kit®Part No. 4R44E-5R55E-ZIP Sonnax Zip Kit 4R44E-5R55E-ZIP targets the root cause of multiple complaints by sealing the critical circuit...

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Now: $125.00
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Sonnax

4R44E 5R55E 5R44E 5R55E TCC Regulator Valve (OE Size) Sonnax

4R44E, 4R55E, 5R44E, 5R55E TCC Regulator ValvePart No. 37947-38 OE size Debris and constant oscillation of the converter clutch regulator valve can create scratches on the...

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Now: $29.95
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Sonnax

4R44E/4R55E 5R44E 4R70 4R75 AOD AODE A4LD Shift Lever Case Bore Repair Sleeve (Tooling Required) Sonnax DISCONTINUED

4R44E, 4R55E, 4R70E, 4R70W, 4R75E, 4R75W, 5R44E, 5R55E, A4LD, AOD, AODE Shift Lever Case Bore Repair SleevePart No. 56361-01K Tooling...

MSRP:

Now: $22.95