The Best Place to Buy Upgraded Transmission Parts Made by Sonnax is Here

Sonnax

Precision International

Aftermarket

OEM

Raybestos Powertrain

Alto Products Corp

Steel Plates

TransGo

Superior Transmission Parts

Motorcraft

View all Brands

Sonnax

Precision International

Aftermarket

OEM

Raybestos Powertrain

Alto Products Corp

Steel Plates

TransGo

Superior Transmission Parts

Motorcraft

Global Transmission Parts

Quality Used Hard Parts

Central Valve Bodies

Rostra Precision Controls

Adapt-A-Case

AC Delco

Fitzall

ATSG

Torque Converters

Exedy

TCS

BorgWarner

Circle D Specialties

Reid Racing

Rebuilt OEM Pumps

Mopar

Dura-Bond

Recon Torque Converters

LubeGard

CVC

Koyo

Superior Machine & Fabrication

Optimum Maintenance Services, LLC

Remanufactured OEM Part

Federal Mogul

Dorman

RatioTek

Transtec

Atec Trans Tool

Hayden

Saxco

ZF Friedrichshafen

Asin

DEUTSCH

Idemitsu

NSK

Streetside Tools

TRANSBRITE

View all Brands

Home
Sonnax

Quick view Details

Sonnax

C6 1-2 Accumulator Valve Spring Kit | Sonnax

MSRP:

Now: $49.52

Add to Cart
Quick view Details

Sonnax

C6 Boost Valve Kit | Sonnax | Diesel Ratio Factory Style

MSRP:

Now: $59.95

Add to Cart
Quick view Details

Sonnax

C6 Boost Valve Kit | Sonnax | Diesel Ratio O-Ring Style

MSRP:

Now: $74.95

Add to Cart
Quick view Details

Sonnax

C6 Boost Valve Kit | Sonnax | Early Clicker-Style Units

MSRP:

Now: $79.95

Add to Cart
Quick view Details

Sonnax

C6 Boost Valve Kit | Sonnax | Gas Ratio Factory Style

MSRP:

Now: $64.95

Add to Cart
Quick view Details

Sonnax

C6 E4OD AX4N AX4S AXOD AXODE Rear Sun Gear Bearing & Race Assembly | Sonnax

MSRP:

Now: $15.64

Add to Cart
Quick view Details

Sonnax

C6 E4OD Low Sprag Inner Race | Late-Style 1.013'' | Sonnax

MSRP:

Now: $26.53

Add to Cart
Quick view Details

Sonnax

C6 E4OD Low Sprag Race & Bearing Kit | Late-Style 1.013'' | Sonnax

MSRP:

Now: $34.98

Add to Cart
Quick view Details

Sonnax

C6 Elevated Pressure Main Pressure Regulator Spring | Sonnax | 20-Pack

MSRP:

Now: $59.95

Add to Cart
Quick view Details

Sonnax

C6 Extra Wide Band | Sonnax | 1966-UP

MSRP:

Now: $47.95

Add to Cart
Quick view Details

Sonnax

C6 Replacement Seal Kit for Sonnax Servo

MSRP:

Now: $24.95

Add to Cart
Quick view Details

Sonnax

C6 Servo Apply Lever | Sonnax | E Ratio 1.85

MSRP:

Now: $67.95

Currently Out of Stock
Quick view Details

Sonnax

C6 Servo Apply Lever | Sonnax | F Ratio 2.30

MSRP:

Now: $65.95

Currently Out of Stock
Quick view Details

Sonnax

C6 Servo Apply Lever | Sonnax | FF Ratio 2.82

MSRP:

Now: $62.95

Add to Cart
Quick view Details

Sonnax

C6 Transmission Oil Pan | Sonnax | 25% Thicker

MSRP:

Now: $54.95

Add to Cart
Quick view Details

Sonnax

CD4E LA4A-EL 2-4 Accumulator Piston Kit - Sonnax

MSRP:

Now: $19.50
Quick view Details

Sonnax

CD4E LA4A-EL Bearing Kit | Sonnax | 1992-UP

MSRP:

Now: $56.96

Add to Cart
Quick view Details

Sonnax

CD4E LA4A-EL Forward Accumulator Piston Kit - Sonnax
Quick view Details

Sonnax

CD4E LA4A-EL Low-Reverse Accumulator Piston Kit
Quick view Details

Sonnax

CD4E LA4A-EL O-Ringed End Plug Kit - Sonnax

Quick view

Sonnax

C6 1-2 Accumulator Valve Spring Kit | Sonnax

C6 1-2 Accumulator Valve Spring Kit Sonnax Part Number: 36946-05K PACKAGE CONTAINS Outer Springs (5) Inner Springs (5) SYMPTOMS 1-2 Quality poor Burnt intermediate band CAUSE Fatigue and...

MSRP:

Now: $49.52
Add to Cart
Quick view

Sonnax

C6 Boost Valve Kit | Sonnax | Diesel Ratio Factory Style

C6 Boost Valve Kit - Diesel Ratio Factory Style Sonnax Part Number: 36946-03K WARNING: This kit does not recalibrate shift timing or allow gas and diesel valve body interchange. Heavy-duty vehicles...

MSRP:

Now: $59.95
Add to Cart
Quick view

Sonnax

C6 Boost Valve Kit | Sonnax | Diesel Ratio O-Ring Style

C6 Boost Valve Kit - Diesel Ratio O-Ring Style Sonnax Part Number: 36946-02K WARNING: This kit does not recalibrate shift timing or allow gas and diesel valve body interchange. Heavy-duty vehicles...

MSRP:

Now: $74.95
Add to Cart
Quick view

Sonnax

C6 Boost Valve Kit | Sonnax | Early Clicker-Style Units

C6 Boost Valve Kit - 1976 and Earlier Clicker-Style Units Sonnax Part Number: 36946-01K When rebuilding high performance or heavy-duty Ford C6 transmissions, it is common to find a worn boost sleeve...

MSRP:

Now: $79.95
Add to Cart
Quick view

Sonnax

C6 Boost Valve Kit | Sonnax | Gas Ratio Factory Style

C6 Boost Valve Kit - Gas Ratio Factory Style Sonnax Part Number: 36946-04K WARNING: This kit does not recalibrate shift timing or allow gas and diesel valve body interchange. Vehicles with Ford C6...

MSRP:

Now: $64.95
Add to Cart
Quick view

Sonnax

C6 E4OD AX4N AX4S AXOD AXODE Rear Sun Gear Bearing & Race Assembly | Sonnax

C6 E4OD AX4N AX4S AXOD AXODE Rear Sun Gear Bearing & Race Assembly Sonnax Part Number: 96423 SPECIFICATIONS Bearing Style: Enclosed Material: Hardened Steel Outer Dia.: 2.800" Thickness: 0...

MSRP:

Now: $15.64
Add to Cart
Quick view

Sonnax

C6 E4OD Low Sprag Inner Race | Late-Style 1.013'' | Sonnax

E4OD C6 Low Sprag Inner Race Sonnax Part Number: 36429E Late Style Thickness: 1.013''

MSRP:

Now: $26.53
Add to Cart
Quick view

Sonnax

C6 E4OD Low Sprag Race & Bearing Kit | Late-Style 1.013'' | Sonnax

E4OD C6 Low Sprag Race & Bearing Kit Sonnax Part Number: 36429E-K Late Style Thickness: 1.013''

MSRP:

Now: $34.98
Add to Cart
Quick view

Sonnax

C6 Elevated Pressure Main Pressure Regulator Spring | Sonnax | 20-Pack

C6 Elevated Pressure Main Pressure Regulator Spring Pack of 20 Springs CALIBRATED TO OE GAS LINE PRESSURE - FITS DIESEL AND GAS Sonnax Part Number: 36946-01K The OE springs in many Ford...

MSRP:

Now: $59.95
Add to Cart
Quick view

Sonnax

C6 Extra Wide Band | Sonnax | 1966-UP

C6 Extra Wide Band | Sonnax Sonnax Part Number: S026968 Sonnax extra wide band S026968 with heavy-duty red friction material is 2-1/4" wide for extra holding power in '66-later Ford C6 transmissions...

MSRP:

Now: $47.95
Add to Cart
Quick view

Sonnax

C6 Replacement Seal Kit for Sonnax Servo

C6 Replacement Seal Kit for Sonnax R Ratio Servo K36528R Sonnax Part Number: K36528R-SK NOTE: Some servo modifications involve blocking feed or exhaust passages in the case. These modifications must...

MSRP:

Now: $24.95
Add to Cart
Quick view

Sonnax

C6 Servo Apply Lever | Sonnax | E Ratio 1.85

C6 Servo Apply Lever - "E" Ratio (1.85) Sonnax Part Number: 36916E Sonnax Ford C6 servo apply levers are made from 6061-T6 aluminum forgings, which are less susceptible to distortion and cracking...

MSRP:

Now: $67.95
Currently Out of Stock
Quick view

Sonnax

C6 Servo Apply Lever | Sonnax | F Ratio 2.30

C6 Servo Apply Lever - "F" Ratio (2.30) Sonnax Part Number: 36916F Sonnax Ford C6 servo apply levers are made from 6061-T6 aluminum forgings which are less susceptible to distortion and cracking than...

MSRP:

Now: $65.95
Currently Out of Stock
Quick view

Sonnax

C6 Servo Apply Lever | Sonnax | FF Ratio 2.82

C6 Servo Apply Lever - "FF" Ratio (2.82) Sonnax Part Number: 36916FF Sonnax Ford C6 servo apply levers are made from 6061-T6 aluminum forgings which are less susceptible to distortion and cracking...

MSRP:

Now: $62.95
Add to Cart
Quick view

Sonnax

C6 Transmission Oil Pan | Sonnax | 25% Thicker

C6 Upgraded Oil Pan - 25% Thicker than the OE Pan! Sonnax Part Number: 36950-01 CAN BE USED TO REPLACE EARLY 1966-1974 TAPERED PANS BUT WILL REQUIRED UPDATING TO A 1975-LATER STYLE OIL FILTER Ford...

MSRP:

Now: $54.95
Add to Cart
Quick view

Sonnax

CD4E LA4A-EL 2-4 Accumulator Piston Kit - Sonnax

CD4E, LA4A-EL 2-4 Accumulator Piston KitPart No. 73840-24 CD4E transmissions may exhibit such problems as harsh engagements, and/or soft or harsh shifting, particularly from 1st to...

MSRP:

Now: $19.50
Quick view

Sonnax

CD4E LA4A-EL Bearing Kit | Sonnax | 1992-UP

CD4E LA4A-EL Transmission Bearing Kit Sonnax Part Number: SBK-F18 Replacement bearing kit PACKAGE CONTAINS Pump Support to Clutch Hub Clutch Hub to Low/Internal Sun Low/Internal Sun Gear to...

MSRP:

Now: $56.96
Add to Cart
Quick view

Sonnax

CD4E LA4A-EL Forward Accumulator Piston Kit - Sonnax

CD4E, LA4A-EL Forward Accumulator Piston KitPart No. 73840-FWD CD4E transmissions may exhibit such problems as harsh engagements, and/or soft or harsh shifting, particularly from...

View Details
Quick view

Sonnax

CD4E LA4A-EL Low-Reverse Accumulator Piston Kit

CD4E, LA4A-EL Low Reverse Accumulator Piston KitPart No. 73840-LR CD4E transmissions may exhibit such problems as harsh engagements, and/or soft or harsh shifting, particularly from...

View Details
Quick view

Sonnax

CD4E LA4A-EL O-Ringed End Plug Kit - Sonnax

Ford CD4E and Mazda LA4A-EL transmissions often develop a leaky end plug at the pressure regulator bore, causing line pressure instability, low EPC pressure, and ultimately resulting in burnt...

View Details

Compare Selected

Shop by Category

Shop by Brand

Shop by Brand

Sonnax