GM Transmission Parts - 4L80E | 4L85E - Popular Performance Parts

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Precision International

Aftermarket

OEM

Raybestos Powertrain

Sonnax

TransGo

Superior Transmission Parts

Alto Products Corp

Motorcraft

Global Transmission Parts

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Central Valve Bodies

4L80E Manual Valve Gently Oversized to Fit Existing Bore (No Reaming)

MSRP:

Now: $49.95

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TransGo

4L80E 4L85E Vacuum Modulator Kit (1991-2013) TransGo

MSRP:

Now: $109.95

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TransGo

4L80E Separator Plate - HD Upgrade (1991-2013) TransGo

MSRP:

Now: $26.95

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Sonnax

4L80E 4th Accumulator Repair Kit - Sonnax
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Sonnax

4L80E Overrun Clutch Valve Kit (1997-UP) Sonnax Smart-Tech®

MSRP:

Now: $254.95

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Sonnax

4L80E TH400 Heavy Duty Forward Clutch Hub

MSRP:

Now: $149.95

Out of stock
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Sonnax

4L80E TH400 HD Forward Clutch Hub Front Washer (Pack of 5) 0.078"

MSRP:

Now: $74.95

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Sonnax

4L80E TH400 Extreme Duty Forward Clutch Hub Kit

MSRP:

Now: $195.00

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Steel Plates

4L80E Performance KOLENE® Steel Module (1991-UP)

MSRP:

Now: $159.95

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Central Valve Bodies

4L80E Manual Valve Gently Oversized to Fit Existing Bore (No Reaming)

This is a Gently Oversized Manual Valve for the 4L80E transmission that can be installed in the existing bore without reaming. Its is made from Anodized Aluminium for durability.

MSRP:

Now: $49.95
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TransGo

4L80E 4L85E Vacuum Modulator Kit (1991-2013) TransGo

Vacuum Modulator KitFits 1991-13 4L80E, 4L85EDoes not fit diesel Great for transplants! Provides a more aggressive and tunable pressure boost curve with engine vacuum instead of vehicle PCM controlling PCS/EPC Solenoid. Note: This kit does not eliminate...

MSRP:

Now: $109.95
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TransGo

4L80E Separator Plate - HD Upgrade (1991-2013) TransGo

Separator PlateFits 1991-13 4L80E, 4L85E 1991 to 2013 General Motors vehicles equipped with the 4L80E and 4L85E automatic transmission with high mileage often have worn or damaged valve body separator plates. Features and benefits The TransGo replacement...

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Now: $26.95
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Sonnax

4L80E 4th Accumulator Repair Kit - Sonnax

4L80-E, 4L85-E 4th Accumulator Repair KitPart No. 34805-01K Repeated reciprocation of the 4th accumulator pistons in GM 4L80-E and 4L85-E units causes wear at the piston/pin interface. After this wear reaches a critical point, the piston bore...

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Sonnax

4L80E Overrun Clutch Valve Kit (1997-UP) Sonnax Smart-Tech®

4L80-E, 4L85-E Smart-Tech® Overrun Clutch Valve KitPart No. 34200-40K Fits 1997-UP Units Insufficient holding power in the overdrive roller clutch is the underlying cause of chronic overdrive roller clutch failure in hardworking 4L80-E...

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Now: $254.95
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Sonnax

4L80E TH400 Heavy Duty Forward Clutch Hub

Sonnax heavy duty forward clutch hub 34322-01 is an ideal upgrade over OE hubs in GM 400, 425, 4L80-E and 4L85-E applications. It is made from 1045 steel forging and features a thicker cross-section for increased strength. Made from forged 1045...

MSRP:

Now: $149.95
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Sonnax

4L80E TH400 HD Forward Clutch Hub Front Washer (Pack of 5) 0.078"

Pack of 5 Sonnax forward clutch hub front washer 34298-078 replaces the OE .063" thick washer between the forward clutch hub and the forward drum. It is .015" thicker than OE and is the optimal way to tighten front unit endplay in most common builds...

MSRP:

Now: $74.95
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Sonnax

4L80E TH400 Extreme Duty Forward Clutch Hub Kit

Sonnax extreme duty forward clutch hub kit 34322-02K is manufactured from forged 4140 steel and features nitrited and case-hardened splines to eliminate spline wear in extreme applications. Includes bearing between hub and direct clutch housing. The...

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Now: $195.00
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Steel Plates

4L80E Performance KOLENE® Steel Module (1991-UP)

4L80E Performance Kolene Coated Steel Module(Module may be Raybestos or Alto depending on availability). Kolene® plates are higher heat resistant and offer increased lubricity. Kolene® is a registered trademark of the Kolene Corporation...

MSRP:

Now: $159.95
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Central Valve Bodies

4L80E Manual Valve Gently Oversized to Fit Existing Bore (No Reaming)

TransGo

4L80E 4L85E Vacuum Modulator Kit (1991-2013) TransGo

TransGo

4L80E Separator Plate - HD Upgrade (1991-2013) TransGo

Sonnax

4L80E 4th Accumulator Repair Kit - Sonnax

Sonnax

4L80E Overrun Clutch Valve Kit (1997-UP) Sonnax Smart-Tech®

Sonnax

4L80E TH400 Heavy Duty Forward Clutch Hub

Sonnax

4L80E TH400 HD Forward Clutch Hub Front Washer (Pack of 5) 0.078"

Sonnax

4L80E TH400 Extreme Duty Forward Clutch Hub Kit

Steel Plates

4L80E Performance KOLENE® Steel Module (1991-UP)

Central Valve Bodies

4L80E Manual Valve Gently Oversized to Fit Existing Bore (No Reaming)

TransGo

4L80E 4L85E Vacuum Modulator Kit (1991-2013) TransGo

TransGo

4L80E Separator Plate - HD Upgrade (1991-2013) TransGo

Sonnax

4L80E 4th Accumulator Repair Kit - Sonnax

Sonnax

4L80E Overrun Clutch Valve Kit (1997-UP) Sonnax Smart-Tech®

Sonnax

4L80E TH400 Heavy Duty Forward Clutch Hub

Sonnax

4L80E TH400 HD Forward Clutch Hub Front Washer (Pack of 5) 0.078"

Sonnax

4L80E TH400 Extreme Duty Forward Clutch Hub Kit

Steel Plates

4L80E Performance KOLENE® Steel Module (1991-UP)