Skip to content
Free Shipping on Orders greater than $90.00.
Free Shipping on Orders greater than $90.00.

Buick

Filters

Sonnax Boost Valve Kit 6L45 6L50 6L80 6L90
$32.24 - $32.24
$32.24
$32.24 - $32.24
$32.24

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

in stock

Sonnax Boost Valve Kit for 6L45, 6L50, 6L80, 6L90 Transmissions Upgrade your transmission's performance with the Sonnax Boost Valve Kit, designed f...

View full details
$32.24 - $32.24
$32.24
$32.24 - $32.24
$32.24
Sonnax Pressure Switch Rebuild Installation Tool Kit 6L45 6L50 6L80 6L90 6T70
$25.06 - $25.06
$25.06
$25.06 - $25.06
$25.06

Sonnax Pressure Switch Rebuild Installation Tool Kit 6L45 6L50 6L80 6L90 6T70 (Gen 1) 6T75 (Gen 1)

Only 1 left!

Sonnax Pressure Switch Rebuild Installation Tool Kit 6L45 6L50 6L80 6L90 6T70 (Gen 1) 6T75 (Gen 1) Transmissions: 6L80 (MYC,6L80E) 2006-UP, 6L45 (...

View full details
$25.06 - $25.06
$25.06
$25.06 - $25.06
$25.06
Sonnax O-Ringed End Plug Kit for 6L45, 6L50, 6L80, 6L90
$20.57 - $20.57
$20.57
$20.57 - $20.57
$20.57

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

in stock

Sonnax O-Ringed End Plug Kit for 6L45, 6L50, 6L80, 6L90 The OE end plugs in GM 6L45, 6L50, 6L80, and 6L90 valve bodies are designed to prevent crit...

View full details
$20.57 - $20.57
$20.57
$20.57 - $20.57
$20.57
Zip Kit Sonnax 6L45 6L50 6L80 6L90
$338.54 - $338.54
$338.54
$338.54 - $338.54
$338.54

Zip Kit Sonnax 6L45 6L50 6L80 6L90

Only 1 left!

Sonnax ZIP Kit for 6L45, 6L50, 6L80, 6L90 The Sonnax Zip Kit 6L45-6L90-ZIP is designed to address critical circuit pressure losses in GM 6L45, 6L50...

View full details
$338.54 - $338.54
$338.54
$338.54 - $338.54
$338.54
Installation Tool Kit Sonnax Pressure Switch Rebuild 6L45 6L50 6L80 6L90 6T70 (Gen1) 6T75 (Gen1)
Sold Out
$26.16 - $26.16
$26.16
$26.16 - $26.16
$26.16

Installation Tool Kit Sonnax Pressure Switch Rebuild 6L45 6L50 6L80 6L90 6T70 (Gen1) 6T75 (Gen1)

Out of stock

Installation Tool Kit Sonnax Pressure Switch Rebuild 6L45 6L50 6L80 6L90 6T70 (Gen1) 6T75 (Gen1) Contents : Laminate Installation Tool Seal Install...

View full details
$26.16 - $26.16
$26.16
$26.16 - $26.16
$26.16
Sold Out
Notify When Available
Sold Out
$396.20 - $396.20
$396.20
$396.20 - $396.20
$396.20

Sonnax Tool Kit for 144740-16K TCC Oversized Valve 6T40 6T30 6T45 6T50

Out of stock

Sonnax Tool Kit for 144740-16K TCC Oversized Valve 6T40 6T30 6T45 6T50 Requires VB-FIX a self-aligning valve body reaming fixture.Transmissions: 6...

View full details
$396.20 - $396.20
$396.20
$396.20 - $396.20
$396.20
Sold Out
Notify When Available
Sold Out
$500.18 - $500.18
$500.18
$500.18 - $500.18
$500.18

Sonnax Tool for 144510-01K Oversized Pressure Valve Gen 1 6T30 6T40 6T45 6T50

Out of stock

Sonnax Tool for 144510-01K Oversized Pressure Valve Gen 1 6T30 6T40 6T45 6T50  Requires VB-FIX.Transmissions: 6T50 (6T50E) 2008-UP, 6T45 (6T45E,MH...

View full details
$500.18 - $500.18
$500.18
$500.18 - $500.18
$500.18
Sold Out
Notify When Available
Sold Out
$63.32 - $63.32
$63.32
$63.32 - $63.32
$63.32

Lube On Demand Valve Kit Sonnax 6T30 6T31 6T35 6T40 6T41 6T45 6T46 6T50 6T51

Out of stock

Sonnax Lube On Demand Valve Kit – Fits GM Gen 3 6T40 Series In 2014, GM introduced the Generation 3 6T40-series transmissions, which feature a rede...

View full details
$63.32 - $63.32
$63.32
$63.32 - $63.32
$63.32
Sold Out
Notify When Available
$36.45 - $36.45
$36.45
$36.45 - $36.45
$36.45

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

in stock

Sonnax Pressure Regulator Valve Kit for 6L45, 6L50, 6L80, 6L90 The Sonnax 104520-15K pressure regulator valve kit is designed to resolve common hyd...

View full details
$36.45 - $36.45
$36.45
$36.45 - $36.45
$36.45
Sonnax Center Support Seal Kit for 6L45, 6L50, 6L80, 6L90
$57.48 - $57.48
$57.48
$57.48 - $57.48
$57.48

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

Only 1 left!

Sonnax Center Support Seal Kit for 6L45, 6L50, 6L80, 6L90 In GM 6L45, 6L50, 6L80, and 6L90 transmissions, the rubber seals between the center suppo...

View full details
$57.48 - $57.48
$57.48
$57.48 - $57.48
$57.48

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare