Transmissions & Transmission Parts

Sonnax TCC Regulator and Isolator Valve Kits 36941-01K

VALVE KIT BOOST CLICKER TYPE

Part Number: SOX-36941-01K

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Sonnax Pressure Regulator Valve Kits 104520-15K

Valve Body Replacement Component, Pressure Regulator Valve, 6L45/6L50/6L80/6L90, Kit

Part Number: SOX-104520-15K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax TCC Regulator and Isolator Valve Kits 44912-11K

Automatic Transmission Rebuild Components, TCC Regulator Valve Kit, with Valve, Spring Retainer, Chrysler, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE, Each

Part Number: SOX-44912-11K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax TCC Regulator and Isolator Valve Kits 104740-07K

REGULATOR VALVE KIT

Part Number: SOX-104740-07K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Automatic Transmission Pressure Regulator Valve Kits 44912-03K

Automatic Transmission Rebuild Components, VALVE KIT, TC LIMIT, 45RFE/545RFE/65RFE/66RFE/68RFE

Part Number: SOX-44912-03K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Converter Regulator Valves for 2019-2026 2500, 3500 - RFE-TCCREG-OS19

All RFE: TCC Regulator Valve (Oversized) 2019-On

Part Number: TRG-S0009

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Lube Regulated Pressure Regulator Valves 44912-17K

Automatic Transmission Rebuild Components, VALVE, LUBE REG PRESS REG, 45RFE/545RFE/65RFE/66RFE/68RFE

Part Number: SOX-44912-17K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Pressure Regulator Valves 4T40E-PR5

Specialty Components, 4T40E Pressure Regulator Valve and Bore Repair Refill Kit (tool not included)

Part Number: TRG-4T40E-PR5

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Sonnax TCC Regulator and Isolator Valve Kits 5R55WS-LB1

LINE PRESSURE BOOSTER KIT

Part Number: SOX-5R55WS-LB1

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Sonnax Zip Kits 8L45-8L90-TCC-ZIP

Automatic Transmission Shift Kits, TCC Zip Kit, with O-Ring End Plugs, Converter Limit Valve, Regulator/Shuttle, Cadillac, Chevy, GMC, 8L45, 8L90, Kit

Part Number: SOX-8L458L90TCCZ

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Lockup Valve Kits 6L8 CS-TCC

Clutch Select Valve and TCC Regulator Valve kit GM 6L45, 6L50, 6L80, and 6L90

Part Number: TRG-6L8CSTCC

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Hydraulic Line Pressure Booster Kits 400-LB1

Line Pressure Booster Kit, Hydraulic, Valve, Sleeve, Pressure Regulator Spring, O-rings, GM, TH400, Kit

Part Number: SOX-400-LB1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Boost Valves AODE-ODREG

Specialty Components, AODE/4R70W OD Servo Regulator Bushing and Valve with Type-2 OD servo regulator

Part Number: TRG-AODE-ODREG

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Torque Converter Clutch Valves RFE-TCCREG-OS

Specialty Components, 45-68RFE Oversize Converter Regulator Valve (tools not included)

Part Number: TRG-RFETCCREGOS

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Rebuild Components 6R80-VBR-WT

Specialty Components, Solenoid and Lube Regulator Repair Kit (includes tools)

Part Number: TRG-6R80-VBR-WT

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Hydraulic Line Pressure Booster Kits 104520-07K

Automatic Transmission Boost Valves, Oversized Pressure Regulator Valve, Sleeve, Spring, Drill Bit, Checkball, GM, 6L45, 6L50, 6L80, 6L90, Kit

Part Number: SOX-104520-07K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Boost Valves U151-BOOST

Specialty Components, Toyota U150/151/250 Pressure Regulator and Clutch Apply Boost Valve Kit

Part Number: TRG-U151-BOOST

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

ATI Performance Products Automatic Transmission Rebuild Components ATI405183R

400 - SUPER PUMP - ADJ PRESSURE REGULATOR KIT - W/ REVERSE BOOST PRESSURE - 185-300 PSI

Part Number: ATI-405183R

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Sonnax Return Springs 77917-10

Automatic Transmission Rebuild Components, Pressure Regulator Spring, High Performance, GM, 4L60-E/4L65-E/4L70-E, Each

Part Number: SOX-77917-10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Rebuild Components 6R80-VBR-NT

Specialty Components, Solenoid and Lube Regulator Refill Kit (tools not included)

Part Number: TRG-6R80-VBR-NT

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Sonnax Transmission Company Automatic Transmission Rebuild Components 44912-15K

Automatic Transmission Rebuild Components, Oversized Lube Regulated Pressure Regulator Valve Kit, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE

Part Number: SOX-44912-15K

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

TransGo Automatic Transmission Valve Body Repair Kits for 2003-2007 MURANO - JF010E-SPR

Secondary Pulley Regulator Valve Fits JF010E, RE0F09A

Part Number: TRG-JF010E-SPR

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

ATI Super Pump Front Pumps ATI405058

Automatic Transmission Pumps, Front Pump, Adjustable Pressure Regulator, Fits 27-spline 1.187 in. Big Shaft, GM, THM400, Each

Part Number: ATI-405058

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Call to Order

TransGo Performance Automatic Transmission Rebuild Components 6T40G3-LB-OS

GM 6T40 G3: Lube Regulator Valve (Oversized)

Part Number: TRG-6T40G3-LB-OS

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

TransGo Automatic Transmission Valve Body Repair Kits 5HP-24-PR

PRESSURE REGULATOR KIT

Part Number: TRG-5HP-24-PR

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today