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Sonnax

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Sonnax

4L80E O-Ringed End Plug Kit | Sonnax | .497''

MSRP:

Now: $13.14

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Sonnax

4L80E O-Ringed End Plug Kit | Sonnax | .668''

MSRP:

Now: $11.94

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Sonnax

4L80E Output & Reaction Planetary Rebuild Kit (1999-UP)

MSRP:

Now: $69.95

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Sonnax

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

MSRP:

Now: $219.95

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Sonnax

4L80E Oversized Accumulator Control Valve Kit | Sonnax

MSRP:

Now: $34.98

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Sonnax

4L80E Oversized Sealing Rings (Pack of 2)

MSRP:

Now: $7.95

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Sonnax

4L80E Oversized TCC Regulator Valve Kit | Sonnax

MSRP:

Now: $76.47

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Sonnax

4L80E Planet Pinion Batwing Washer | Sonnax | 1999-UP | 8-Pack

MSRP:

Now: $19.72

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Sonnax

4L80E Planet Pinion Roller | Sonnax | 1991-1998 | 80-Pack

MSRP:

Now: $44.20

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Sonnax

4L80E Planet Pinion Roller | Sonnax | 1999-UP | 72-Pack

MSRP:

Now: $7.44

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Sonnax

4L80E Pump Pressure Regulator Valve by Sonnax

MSRP:

Now: $89.95

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Sonnax

4L80E Reverse Checkball Sleeve (1995-UP) (Pack of 4)
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Sonnax

4L80E Shift Lever Kit | Sonnax | Short Version w/ Late-Style Design for Use w/ Aftermarket Shifters

MSRP:

Now: $42.95

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Sonnax

4L80E Stator Support Bushing Sonnax (1 Bushing)

MSRP:

Now: $5.95

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Sonnax

4L80E Sure Cure® Kit by Sonnax (Tooling Required)

MSRP:

Now: $105.00

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Sonnax

4L80E TCC Regulator Valve Kit | Sonnax

MSRP:

Now: $23.50

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Sonnax

4L80E TH400 4T65E Pinion Thrust Washer - Pre-1998 (Pack of 8)

MSRP:

Now: $5.95

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Sonnax

4L80E TH400 Extreme Duty Main Shaft
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Sonnax

4L80E TH400 Front/Rear Unit Endplay Shim - Upgraded (Pack of 10)

MSRP:

Now: $9.95

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Sonnax

4L80E TH400 HD Case Bushing Kit | Sonnax

MSRP:

Now: $66.95

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Sonnax

4L80E O-Ringed End Plug Kit | Sonnax | .497''

Sonnax part number: 34994-13 FITS 0.497'' DIAMETER TCC VALVE BORES

MSRP:

Now: $13.14
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Sonnax

4L80E O-Ringed End Plug Kit | Sonnax | .668''

Sonnax part number: 34994-14K FITS 0.668'' DIAMETER TCC VALVE BORES

MSRP:

Now: $11.94
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Sonnax

4L80E Output & Reaction Planetary Rebuild Kit (1999-UP)

Sonnax part number: 34880RK The output and reaction planetary pinion assemblies in '99-later 4L80-E transmissions frequently wear out and must be rebuilt or replaced. New replacement assemblies can...

MSRP:

Now: $69.95
Currently Out of Stock
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Sonnax

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

Sonnax part number: 34200-40KFits: 4L80-E, 4L85-E Fits 1997-UP Units Insufficient holding power in the overdrive roller clutch is the underlying cause of chronic overdrive roller clutch failure in...

MSRP:

Now: $219.95
Currently Out of Stock
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Sonnax

4L80E Oversized Accumulator Control Valve Kit | Sonnax

Sonnax part number: 34994-22K Tooling Requ

MSRP:

Now: $34.98
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Sonnax

4L80E Oversized Sealing Rings (Pack of 2)

Sonnax part number: 34716-01 Pack of 2 GM 4L80-E and 4L85-E forward drums are often replaced due to wear of the sealing ring bore caused by contact with the input shaft. Contact between shaft and...

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Now: $7.95
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Sonnax

4L80E Oversized TCC Regulator Valve Kit | Sonnax

Sonnax part number: 34994-18K Tooling Requ

MSRP:

Now: $76.47
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Sonnax

4L80E Planet Pinion Batwing Washer | Sonnax | 1999-UP | 8-Pack

Sonnax part number: 34880-03 4L80E Output & Reaction Planet Pinion Batwing Washer 1999-UP The output and reaction planetary pinion assemblies in '99-later 4L80-E transmissions frequently wear out a

MSRP:

Now: $19.72
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Sonnax

4L80E Planet Pinion Roller | Sonnax | 1991-1998 | 80-Pack

Sonnax part number: 34875-05Fits: 4L80E · 1991-1998 An 80-pack of planet pinion rollers for the 4L80E overdrive planetary, made by Sonnax as part number 34875-05. Each roller measures 0.855 inches...

MSRP:

Now: $44.20
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Sonnax

4L80E Planet Pinion Roller | Sonnax | 1999-UP | 72-Pack

Sonnax part number: 34880-02 FITS 1999-UP UNITS WITH WIDER PLANET GEARS. THIS A

MSRP:

Now: $7.44
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Sonnax

4L80E Pump Pressure Regulator Valve by Sonnax

Sonnax part number: 34200-14KOur SKU: 1406AFits: 4L80-E, 4L85-E The OE pressure regulator valve design prevents adequate cooler flow at low RPM and high pressure/demand conditions, which can create...

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Now: $89.95
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Sonnax

4L80E Reverse Checkball Sleeve (1995-UP) (Pack of 4)

Sonnax part number: 34200-38Our SKU: S34741R-2Fits: 4L80-E, 4L85-E Fits units '95-later. Package Quantity: 4 Vehicles with '95-later GM 4L80-E and 4L85-E trans

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Sonnax

4L80E Shift Lever Kit | Sonnax | Short Version w/ Late-Style Design for Use w/ Aftermarket Shifters

Sonnax part number: 38512-03K SHORT VERSION WITH LATE-STYLE DESIGN FOR USE WITH

MSRP:

Now: $42.95
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Sonnax

4L80E Stator Support Bushing Sonnax (1 Bushing)

Sonnax part number: 34016-WOur SKU: 134016-WFits: 4L80-E, 4L85-E Package Quantity: 4 GM 4L80-E and 4L85-E units may display no converter lockup or codes 68, 39, 1870 or P0741. Imbalan

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Now: $5.95
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Sonnax

4L80E Sure Cure® Kit by Sonnax (Tooling Required)

Sonnax part number: SC-4L80EFits: 4L80-E, 4L85-E

MSRP:

Now: $105.00
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Sonnax

4L80E TCC Regulator Valve Kit | Sonnax

Sonnax part number: 34994-01KFits: 4L80-E, 4L85-E GM vehicles equipped with 4L80-E and 4L85-E transmissions may exhibit problems such as TCC shudder, burnt converter linings, TCC apply and release...

MSRP:

Now: $23.50
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Sonnax

4L80E TH400 4T65E Pinion Thrust Washer - Pre-1998 (Pack of 8)

Sonnax part number: 34875-04Fits: 4L80E, TH400, 4T65E A pinion thrust washer from Sonnax for '98-earlier GM TH400, 4L80-E and 4T65-E output and reaction planetaries built with .750 inch wide pinion...

MSRP:

Now: $5.95
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Sonnax

4L80E TH400 Extreme Duty Main Shaft

Sonnax part number: S34672HD Main shaft failure is a common problem in extreme duty GM 400, 4L80-E and 4L85-E units. OE and aftermarket shafts simply don’t hold up in extreme horsepower applications,...

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Sonnax

4L80E TH400 Front/Rear Unit Endplay Shim - Upgraded (Pack of 10)

Sonnax part number: 34500-Z It is often difficult to reduce front unit endplay on 400 or 4L80/85-E units with excessive spline wear. Normal component wear allows excess forward and direct drum travel...

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Now: $9.95
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Sonnax

4L80E TH400 HD Case Bushing Kit | Sonnax

Sonnax part number: 34006-SPB Case bushing walkout and thrust washer wear are common issues in the GM TH400, 4L80-E and 4L85-E units. Sonnax heavy duty case bushing kit 34006-SPB combines the tried...

MSRP:

Now: $66.95
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