GM Transmission Parts - 8L90 - Shift Kits and Valves

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Raybestos Powertrain

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TransGo

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Superior Transmission Parts

8L90 8L45 Valve Body Upgrade Kit | Shudder-Solution

MSRP:

Now: $174.95

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TransGo

8L90 8L45 Oversize S4 Regulator Valve Tool Kit

MSRP:

Now: $169.95

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TransGo

8L90 8L45 Oversized S4 Regulator Valve (2018-UP) Late 2-Land S4 Valve

MSRP:

Now: $40.95

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TransGo

8L90 8L45 Shift Kit Valve Body Repair Kit [Requires Tooling]

MSRP:

Now: $199.95

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Sonnax

8L45 8L90 S2 S3 S4 TCC Clutch Control Valve Kit | Sonnax

MSRP:

Now: $56.95

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Sonnax

8L45 8L90 S1 S5 Clutch Control Valve Kit | Sonnax

MSRP:

Now: $56.95

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Sonnax

8L90 8L45 Shift Zip Kit®

MSRP:

Now: $199.95

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Sonnax

8L90 8L45 TCC Zip Kit

MSRP:

Now: $225.00

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TransGo

8L90 8L45 Pulse Dampeners

MSRP:

Now: $49.95

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TransGo

8L90 8L45 Pulse Dampener Tool Kit (For Use w/ 8L90-PDP-OS)

MSRP:

Now: $260.00

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TransGo

6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo

MSRP:

Now: $11.45

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Superior Transmission Parts

GM 6L45 6L50 6L80 8L90 SURE-COOL Cooler Flow System by Superior (2014-UP)

MSRP:

Was: $45.75

Now: $41.15

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Superior Transmission Parts

8L90 8L45 Valve Body Upgrade Kit | Shudder-Solution

STL-8L90 “SHUDDER”~SOLUTION™ for the 8L45/8L90 TRANSMISSIONS Fits ALL 2007-up 8L series units Stops the Shuddering and Chattering in all 8L series units. This kit contains all parts necessary to correct shudder for good, in 8L’s...

MSRP:

Now: $174.95
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TransGo

8L90 8L45 Oversize S4 Regulator Valve Tool Kit

Tool kit required for TransGo 8L90-S4LATE-OS

MSRP:

Now: $169.95
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TransGo

8L90 8L45 Oversized S4 Regulator Valve (2018-UP) Late 2-Land S4 Valve

New oversize S4 regulator valve for GM 8L45 and 8L90 solves significant wear issues at the S4 regulator valve position. When General Motors made a change to the S4 regulator valve in both the 8L45 and 8L90 transmissions, the updated 2-land design and...

MSRP:

Now: $40.95
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TransGo

8L90 8L45 Shift Kit Valve Body Repair Kit [Requires Tooling]

SHIFT KIT® Valve Body Repair KitFits 2015-on 8L45, 8L90Requires AFL-G2-TK toolkit TransGo 8L90 SHIFT KIT® Valve Body Repair Kit includes everything needed to address the most common complaints in the 8L45 and 8L90 transmissions from General...

MSRP:

Now: $199.95
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Sonnax

8L45 8L90 S2 S3 S4 TCC Clutch Control Valve Kit | Sonnax

8L45, 8L90 S2/S3/S4/TCC Clutch Control Valve KitPart No. 154740-11K Fits any of 4 locations, S4 location fits '18-earlier only Requires: 154740-TL11 (Recommended) 154740-BST11 (Recommended) Burnt clutches, poor shift...

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Now: $56.95
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Sonnax

8L45 8L90 S1 S5 Clutch Control Valve Kit | Sonnax

8L45, 8L90 S1/S5 Clutch Control Valve KitPart No. 154740-13K Fits Either of 2 Locations! Burnt clutches and poor shifts are common issues with GM 8L45 and 8L90 transmissions. These issues can be caused by worn clutch control valves bores...

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Now: $56.95
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Sonnax

8L90 8L45 Shift Zip Kit®

8L45 8L90 Shift Zip Kit®Part No. 8L45-8L90-SHIFT-ZIP Warning: Later design valve bodies have updated the S4 valve to a single .531" diameter size. Sonnax clutch control valve included in this kit cannot be used in this location or shift...

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Now: $199.95
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Sonnax

8L90 8L45 TCC Zip Kit

8L90 8L45 TCC Zip Kit®Part No. 8L45-8L90-TCC-ZIP For converter-related complaints. Sonnax TCC Zip Kit 8L45-8L90-TCC-ZIP targets the root cause of multiple converter-related complaints by sealing the critical circuit pressure losses in the GM...

MSRP:

Now: $225.00
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TransGo

8L90 8L45 Pulse Dampeners

Even a little wear has an effect on solenoid pressure to the controlling clutch regulator valves. Flare, harsh and erratic shifts all are a result of poor clutch control. A worn dampener bore must be corrected to provide a smooth solenoid signal to the...

MSRP:

Now: $49.95
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TransGo

8L90 8L45 Pulse Dampener Tool Kit (For Use w/ 8L90-PDP-OS)

Even a little wear has an effect on solenoid pressure to the controlling clutch regulator valves. Flare, harsh and erratic shifts all are a result of poor clutch control. A worn dampener bore must be corrected to provide a smooth solenoid signal to the...

MSRP:

Now: $260.00
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TransGo

6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo

An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces...

MSRP:

Now: $11.45
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Superior Transmission Parts

GM 6L45 6L50 6L80 8L90 SURE-COOL Cooler Flow System by Superior (2014-UP)

6L80/8L90 Sure-Cool System 2014-UP Models TransLab Engineered by Superior Transmission Parts This Cooler System Upgrade is Recommended During Rebuild or with a Routine Transmission Service as Preventive Maintenance Overall Trans Temps Run 20%...

MSRP:

Was: $45.75

Now: $41.15
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Shift Kits and Valves