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Sonnax

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Sonnax

4L80E End Plug (0.500'' Bore) 5-Pack
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Sonnax

4L80E Extreme Duty Input Shaft | Sonnax | Over 1000HP Applications

MSRP:

Now: $1,395.00

Currently Out of Stock
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Sonnax

4L80E HD Intermediate Clutch Backing Plate | Sonnax | .275''

MSRP:

Now: $60.95

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Sonnax

4L80E HD Stator Suport Bushing (4-Pack)

MSRP:

Now: $16.95

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4L80E Heavy Duty Input Shaft | Sonnax | Under 1000HP Applications

MSRP:

Now: $695.00

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4L80E Heavy Duty Low Reverse Servo Piston | Sonnax| 1996-UP

MSRP:

Now: $69.95

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Sonnax

4L80E Line Pressure Booster Kit by Sonnax

MSRP:

Now: $34.95

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Sonnax

4L80E Line Regulated Pressure Regulator Valve | Sonnax

MSRP:

Now: $81.16

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Sonnax

4L80E Low Reverse Servo Spacer Kit | Sonnax | 1996-UP

MSRP:

Now: $16.69

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Sonnax

4L80E Manual Shift Shaft Kit (1995-UP)

MSRP:

Now: $42.95

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Sonnax

4L80E Manual Shift Shaft Kit | Sonnax | Short Version

MSRP:

Now: $29.89

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Sonnax

4L80E Manual Valve - Sonnax
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Sonnax

4L80E Manual Valve Kit - Sonnax
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Sonnax

4L80E O-Ringed End Plug Kit (0.668'' TCC Valve Bore)
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Sonnax

4L80E O-Ringed End Plug Kit (OE Style) 5-Pack
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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

Currently Out of Stock
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Sonnax

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

MSRP:

Now: $219.95

Currently Out of Stock
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Sonnax

4L80E Oversized Accumulator Control Valve Kit | Sonnax

MSRP:

Now: $34.98

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Sonnax

4L80E End Plug (0.500'' Bore) 5-Pack

Specs Dia.: 0.500" Sonnax Part Number: 34994-11 Symptoms: No converter apply 1-2, 2-3, 4-5 Flares

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Sonnax

4L80E Extreme Duty Input Shaft | Sonnax | Over 1000HP Applications

4L80E Extreme Duty Input Shaft USE ONLY WITH 1993 AND UP OVERDRIVE CARRIER WITH FOUR LUBE SLOTS Sonnax Part Number: 34670-02 Input shaft failure is a common problem in performance GM 4L80-E and...

MSRP:

Now: $1,395.00
Currently Out of Stock
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Sonnax

4L80E HD Intermediate Clutch Backing Plate | Sonnax | .275''

4L80E HD Intermediate Clutch Backing Plate Sonnax Part Number: 34144HD-02 GM '99-later 4L80-E and 4L85-E transmissions can suffer intermediate backing plate breakage, clutch failure and case lug blow...

MSRP:

Now: $60.95
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Sonnax

4L80E HD Stator Suport Bushing (4-Pack)

GM 4L80-E and 4L85-E units may display no converter lockup or codes 68, 39, 1870 or P0741. Imbalance of torque converter clutch apply oil through the front stator support bushing contributes to this...

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Now: $16.95
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Sonnax

4L80E Heavy Duty Input Shaft | Sonnax | Under 1000HP Applications

4L80E Heavy Duty Input Shaft USE ONLY WITH 1993 AND UP OVERDRIVE CARRIER WITH FOUR LUBE SLOTS Sonnax Part Number: 34670-01 nput shaft failure is a common problem in performance and heavy duty GM...

MSRP:

Now: $695.00
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Sonnax

4L80E Heavy Duty Low Reverse Servo Piston | Sonnax| 1996-UP

4L80E (1996-UP) Heavy Duty Low/Reverse Servo Piston Sonnax Part Number: 34914-02 OE cast aluminum servo pistons can be brittle and are prone to breaking. Sonnax heavy duty low/reverse servo piston...

MSRP:

Now: $69.95
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Sonnax

4L80E Line Pressure Booster Kit by Sonnax

4L80E 4L85E Transmission Line Pressure Booster Kit Sonnax Part Number: 4L80E-LB1 Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves...

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Now: $34.95
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Sonnax

4L80E Line Regulated Pressure Regulator Valve | Sonnax

4L80E 4L85E Lube Regulated Pressure Regulator Valve Sonnax Part Number: 34200-14K NO TOOLING REQUIRED The OE pressure regulator valve design prevents adequate cooler flow at low RPM and high...

MSRP:

Now: $81.16
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Sonnax

4L80E Low Reverse Servo Spacer Kit | Sonnax | 1996-UP

4L80E (1996-UP) Low/Reverse Servo Spacer Kit Sonnax Part Number: 34914-02 Sonnax low/reverse servo spacer kit 34528-01K is a simple, low-cost way to add durability to the GM 4L80-E and 4L85-E...

MSRP:

Now: $16.69
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Sonnax

4L80E Manual Shift Shaft Kit (1995-UP)

4L80-E, 4L85-E Manual Shift Shaft KitPart No. 38511-04K 1995 & later with external neutral safety swich Long style Zinc Plated Contents Shaft Flange Nuts (2)

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Now: $42.95
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Sonnax

4L80E Manual Shift Shaft Kit | Sonnax | Short Version

4L80E Manual Shaft SHORT VERSION - RETROFITS 1995 AND UP DETENT LEVERS TO EARLY 1991 TO 1994 UNITS WITHOUT EXTRENAL NSS. DOES NOT FIT UNITS WITH EXTERNAL NEUTRAL SAFETY SWITCH Sonnax Part Number:...

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Now: $29.89
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Sonnax

4L80E Manual Valve - Sonnax

4L80-E, 4L85-E Manual ValvePart No. 34994-16 The OE manual valve in GM 4L80-E and 4L85-E transmissions is prone to bending due to its length and relatively narrow spools. Once bent, the...

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Sonnax

4L80E Manual Valve Kit - Sonnax

4L80-E, 4L85-E Manual Valve KitPart No. 34994-16K The OE manual valve in GM 4L80-E and 4L85-E transmissions is prone to bending due to its length and relatively narrow spools...

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Sonnax

4L80E O-Ringed End Plug Kit (0.668'' TCC Valve Bore)

4L80-E, 4L85-E O-Ringed End Plug KitPart No. 34994-14K Fits .668" dia. bores Symptoms: No converter apply 1-2, 2-3, 4-5 Flares Contents: End Plugs (5) O-Rings (5)

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Sonnax

4L80E O-Ringed End Plug Kit (OE Style) 5-Pack

4L80-E, 4L85-E O-Ringed End Plug Kit - PACK OF 5Part No. 34200-05K TCC & PR Valves OE end plugs are designed to prevent critical pressure loss by capping the bore, while also...

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Sonnax

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

4L80E 4L85E O-Ringed End Plug Kit FITS 0.497'' DIAMETER TCC VALVE BORES Sonnax Part Number: 34994-13 NO TOOLING REQUIRED OE end plugs are designed to prevent critical pressure loss by capping the...

MSRP:

Now: $13.14
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Sonnax

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

4L80E 4L85E O-Ringed End Plug Kit FITS 0.668'' DIAMETER TCC VALVE BORES Sonnax Part Number: 34994-14K NO TOOLING REQUIRED OE end plugs are designed to prevent critical pressure loss by capping the...

MSRP:

Now: $11.94
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Sonnax

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

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 be costly and the...

MSRP:

Now: $69.95
Currently Out of Stock
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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...

MSRP:

Now: $219.95
Currently Out of Stock
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Sonnax

4L80E Oversized Accumulator Control Valve Kit | Sonnax

4L80E 4L85E Oversized Accumulator Control Valve Kit Sonnax Part Number: 34994-22K TOOLING REQUIRED F-34994-TL22 In GM 4L80-E and 4L85-E transmissions, the accumulator control valve controls shift...

MSRP:

Now: $34.98
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