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4L80E Wiring Harness Connector Bracket (Late Style Only)

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Now: $9.95

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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: $204.95

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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: $49.95

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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: $31.95

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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: $44.95

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

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Now: $22.95

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

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Now: $44.95

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

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Now: $179.95

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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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4L80E Wiring Harness Connector Bracket (Late Style Only)

4L80-E, 4L85-E Wiring Harness Connector BracketPart No. 34998-01K FITS LATE STYLE CONNECTOR ONLY!! It is common for one of the three plastic retention tabs to break on the wiring harness...

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Now: $9.95
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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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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: $204.95
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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: $49.95
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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: $31.95
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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: $44.95
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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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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: $179.95
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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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