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

Precision International

Aftermarket

OEM

Raybestos Powertrain

Sonnax

Alto Products Corp

Steel Plates

TransGo

Superior Transmission Parts

Motorcraft

View all Brands

Precision International

Aftermarket

OEM

Raybestos Powertrain

Sonnax

Alto Products Corp

Steel Plates

TransGo

Superior Transmission Parts

Motorcraft

Global Transmission Parts

AC Delco

Adapt-A-Case

Quality Used Hard Parts

Central Valve Bodies

ATSG

Torque Converters

Circle D Specialties

BorgWarner

Reid Racing

Dura-Bond

Mopar

Rostra Precision Controls

Rebuilt OEM Pumps

Exedy

Fitzall

Koyo

LubeGard

Optimum Maintenance Services, LLC

Recon Torque Converters

Federal Mogul

Hayden

Remanufactured OEM Part

CVC

Dorman

RatioTek

Transtec

Atec Trans Tool

Bosch

Idemitsu

Streetside Tools

TRANSBRITE

View all Brands

Home
Sonnax

Quick view Details

Sonnax

6L80 6L90 6L45 6L50 Center Support Seal Kit

MSRP:

Now: $84.95

Add to Cart
Quick view Details

Sonnax

6L80 6L90 6L45 6L50 Clutch Select Valve Spring Kit (2006-2010)

MSRP:

Now: $22.95

Currently Out of Stock
Quick view Details

Sonnax

6L80 6L90 6L45 6L50 HD Pump Vane

MSRP:

Now: $3.95

Add to Cart
Quick view Details

Sonnax

6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5)

MSRP:

Now: $32.95

Add to Cart
Quick view Details

Sonnax

6L80 6L90 6L45 6L50 Line Pressure Booster Kit

MSRP:

Now: $79.95

Add to Cart
Quick view Details

Sonnax

6L80 6L90 6L45 6L50 O-Ringed End Plug Kit

MSRP:

Now: $19.95

Add to Cart
Quick view Details

Sonnax

6L80 6L90 6L45 6L50 Ovresized Converter Feed Limit Valve

MSRP:

Now: $64.95

Currently Out of Stock
Quick view Details

Sonnax

6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit

MSRP:

Now: $79.95

Add to Cart
Quick view Details

Sonnax

6L80 6L90 6L45 6L50 Pump Boost Valve Kit

MSRP:

Now: $54.95

Currently Out of Stock
Quick view Details

Sonnax

6L80 6L90 HD Pump Slide Spring

MSRP:

Now: $14.95

Add to Cart
Quick view Details

Sonnax

6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit

MSRP:

Now: $159.95

Add to Cart
Quick view Details

Sonnax

6L80 6L90 Lube Dam For Output Planetary (2006-UP)

MSRP:

Now: $39.95

Add to Cart
Quick view Details

Sonnax

6L80 6L90 Torrington Bearing Kit

MSRP:

Now: $136.95

Add to Cart
Quick view Details

Sonnax

6L80|6L90 1-2-3-4 Clutch Piston HD (2006-UP) Sonnax

MSRP:

Now: $109.95

Add to Cart
Quick view Details

Sonnax

6L80|6L90 4-5-6 HD Clutch Apply Piston Kit (2006-UP) Sonnax

MSRP:

Now: $149.95

Add to Cart
Quick view Details

Sonnax

6L90 Heavy Duty 4-5-6 Clutch Hub & Intermediate Shaft | 10-1/4'' Tall

MSRP:

Now: $999.95

Currently Out of Stock
Quick view Details

Sonnax

6R140 Sonnax Performance Zip Kit

MSRP:

Now: $209.95

Add to Cart
Quick view Details

Sonnax

6R60 6R75 6R80 ZF6HP19 ZF6HP26 ZF6HP32 Sonnax Performance Zip Kit

MSRP:

Now: $164.95

Add to Cart
Quick view Details

Sonnax

6R60 6R75 6R80 ZF6HP19 ZF6HP26 ZF6HP32 Sonnax Reamer Tool F-95740-TL
Quick view Details

Sonnax

6R60 6R80 845RE ZF8HP ZF6HP HD Accumulator Piston Kit

MSRP:

Now: $109.95

Add to Cart

Quick view

Sonnax

6L80 6L90 6L45 6L50 Center Support Seal Kit

The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous...

MSRP:

Now: $84.95
Add to Cart
Quick view

Sonnax

6L80 6L90 6L45 6L50 Clutch Select Valve Spring Kit (2006-2010)

Mid 2010-earlier GM 6L45–6L90 applications have a tendency to set a P0751 (shift solenoid 1 malfunction) code. One of the causes of this is the OE spring force at the clutch select valves...

MSRP:

Now: $22.95
Currently Out of Stock
Quick view

Sonnax

6L80 6L90 6L45 6L50 HD Pump Vane

Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor...

MSRP:

Now: $3.95
Add to Cart
Quick view

Sonnax

6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5)

CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady...

MSRP:

Now: $32.95
Add to Cart
Quick view

Sonnax

6L80 6L90 6L45 6L50 Line Pressure Booster Kit

Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving...

MSRP:

Now: $79.95
Add to Cart
Quick view

Sonnax

6L80 6L90 6L45 6L50 O-Ringed End Plug Kit

Contains 6 Plugs & 9 O-rings The primary design function of the OE end plugs is to prevent critical pressure loss by capping the bore; it also performs a secondary function as a spring stop or...

MSRP:

Now: $19.95
Add to Cart
Quick view

Sonnax

6L80 6L90 6L45 6L50 Ovresized Converter Feed Limit Valve

GM 6L45, 6L50, 6L80, 6L90 units may have TCC apply and release problems. Bore wear or a stuck converter feed limit valve can result in converter overheat, incorrect TCC apply or release, inadequate...

MSRP:

Now: $64.95
Currently Out of Stock
Quick view

Sonnax

6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit

GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end...

MSRP:

Now: $79.95
Add to Cart
Quick view

Sonnax

6L80 6L90 6L45 6L50 Pump Boost Valve Kit

Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the...

MSRP:

Now: $54.95
Currently Out of Stock
Quick view

Sonnax

6L80 6L90 HD Pump Slide Spring

Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance...

MSRP:

Now: $14.95
Add to Cart
Quick view

Sonnax

6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit

Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient...

MSRP:

Now: $159.95
Add to Cart
Quick view

Sonnax

6L80 6L90 Lube Dam For Output Planetary (2006-UP)

The output planetary assembly in GM 6L80 and 6L90 transmissions has a lube dam, or cover, that directs lube oil flow to the planetary lube feed passages. Over time, the lube dam allows gunk and...

MSRP:

Now: $39.95
Add to Cart
Quick view

Sonnax

6L80 6L90 Torrington Bearing Kit

This seven piece bearing kit for GM's 6L80 and 6L90 contains the Input 4-5-6-Hub, 1-2-3-4-Hub, 2-6/3-5-R Hub, Output Front/Rear bearings.

MSRP:

Now: $136.95
Add to Cart
Quick view

Sonnax

6L80|6L90 1-2-3-4 Clutch Piston HD (2006-UP) Sonnax

Sonnax 6L80/6L90 Transmission Heavy Duty 1-2-3-4 Clutch Piston GM 6L80 and 6L90 1-2-3-4 pistons commonly crack due to cantilevered stress on the cast material. The OE part has been through...

MSRP:

Now: $109.95
Add to Cart
Quick view

Sonnax

6L80|6L90 4-5-6 HD Clutch Apply Piston Kit (2006-UP) Sonnax

Sonnax HD 6L80/6L90 Transmission 4-5-6 Clutch Apply Piston Kit GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Insufficient clutch...

MSRP:

Now: $149.95
Add to Cart
Quick view

Sonnax

6L90 Heavy Duty 4-5-6 Clutch Hub & Intermediate Shaft | 10-1/4'' Tall

Heavy Duty 4-5-6 Clutch Hub & Intermediate ShaftPart No. 104690-36 Use with OE-style, 36-tooth frictions & OE steels. OE Part No. 24230480 An essential upgrade for any hard-working...

MSRP:

Now: $999.95
Currently Out of Stock
Quick view

Sonnax

6R140 Sonnax Performance Zip Kit

6R140 Zip Kit®Part No. 6R140-ZIP Sonnax Zip Kit 6R140-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in Ford 6R140 valve bodies. The kit...

MSRP:

Now: $209.95
Add to Cart
Quick view

Sonnax

6R60 6R75 6R80 ZF6HP19 ZF6HP26 ZF6HP32 Sonnax Performance Zip Kit

6R60, 6R75, 6R80, ZF6HP19, ZF6HP26, ZF6HP32 Zip Kit®Part No. ZF6-6R60-ZIP Kit will not fit ZF6HP19, ZF6HP26, ZF6HP32 (Generation 1) units with an 053 separator plate...

MSRP:

Now: $164.95
Add to Cart
Quick view

Sonnax

6R60 6R75 6R80 ZF6HP19 ZF6HP26 ZF6HP32 Sonnax Reamer Tool F-95740-TL

6R60, 6R75, 6R80, ZF6HP19, ZF6HP26, ZF6HP32 Tool KitPart No. F-95740-TL Tool Kit for 95740-01K and 95740-46K. Note Sonnax F-Tool kits designed to...

View Details
Quick view

Sonnax

6R60 6R80 845RE ZF8HP ZF6HP HD Accumulator Piston Kit

6F35 (Gen. 1), 6F35 (Gen...

MSRP:

Now: $109.95
Add to Cart

Previous
5
6
7
8
9
10
11
12
13
14
15
Next

Previous
5
6
7
8
9
10
11
12
13
14
15
Next

Compare Selected