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Sonnax

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Sonnax

4L65E 4L70E Pinion Needle Roller | Sonnax | 5-Pinon Planets | 100-Pack

MSRP:

Now: $7.98

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4L80E #7 Low/Reverse Checkball Seat | Sonnax | 5-Pack

MSRP:

Now: $22.50

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Sonnax

4L80E 1-2 & 2-3 Shift Valve Spring Kit HD | Sonnax

MSRP:

Now: $5.75

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Sonnax

4L80E 2-3 Accumulator Spring | Sonnax

MSRP:

Now: $19.95

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Sonnax

4L80E 3rd & Reverse Checkball Sleeve Kit | Sonnax | 1995-UP

MSRP:

Now: $24.95

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Sonnax

4L80E 4L85E Externally Adjustable Low/Reverse Servo Kit by Sonnax

MSRP:

Now: $355.00

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Sonnax

4L80E 4L85E Performance Pack by Sonnax

MSRP:

Now: $385.00

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Sonnax

4L80E 4L85E Reverse Checkball Sleeve | Sonnax

MSRP:

Now: $28.50

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Sonnax

4L80E 4L85E TCC PR Valve O-Ringed End Plug Kit | Sonnax

MSRP:

Now: $29.95

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Sonnax

4L80E 4L85E TH400 HD Intermediate Clutch Outer Sprag Race | Sonnax

MSRP:

Now: $82.95

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Sonnax

4L80E 4L85E Vacuum Test Plate Kit Replacement Seal | Sonnax

MSRP:

Now: $121.70

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Sonnax

4L80E 4L85E Vacuum Test Plate Kit | Sonnax

MSRP:

Now: $212.33

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Sonnax

4L80E 4T60 4T65E Planetary Thrust Bearing | Sonnax

MSRP:

Now: $12.95

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Sonnax

4L80E 4th Accumulator Repair Kit - Sonnax
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Sonnax

4L80E Actuator Feed Limit Valve Kit | Sonnax

MSRP:

Now: $47.02

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Sonnax

4L80E AFL Filter End Plug & O-Ring Kit | Sonnax

MSRP:

Now: $7.50

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4L80E Bearing Kit | Sonnax

MSRP:

Now: $53.69

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Sonnax

4L80E Boost Valve Kit (O-Ring Style Pumps)

MSRP:

Now: $24.95

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Sonnax

4L80E Boost Valve Kit - Sonnax

MSRP:

Now: $92.14

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Sonnax

4L80E Case Saver Retainer | Sonnax | 1999-UP

MSRP:

Now: $39.95

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Sonnax

4L65E 4L70E Pinion Needle Roller | Sonnax | 5-Pinon Planets | 100-Pack

FITS 5-PINION REAR PLANETARY Sonnax pinion needle roller 77732-03 is a direct replacement for worn or damaged OE needle rollers. Sonnax pinion needle rollers are specifically toleranced for use with...

MSRP:

Now: $7.98
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Sonnax

4L80E #7 Low/Reverse Checkball Seat | Sonnax | 5-Pack

Vehicles with GM 4L80-E and 4L85-E transmissions commonly exhibit wear in the #7 low/Reverse checkball seat location. This issue is caused by normal movement of the checkball and slight movement of...

MSRP:

Now: $22.50
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Sonnax

4L80E 1-2 & 2-3 Shift Valve Spring Kit HD | Sonnax

In 4th Gear, signal A oil force must overpower the 1-2 shift valve spring and opposing signal B pressure in GM 4L80-E and 4L85-E transmissions. If the 1-2 shift valve does not remain fully stroked,...

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Now: $5.75
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Sonnax

4L80E 2-3 Accumulator Spring | Sonnax

4L80E 4L85E 2-3 Accumulator Spring Sonnax Part Number: 34016-W OE Part Numbers: 24200436, 8675596 Sonnax 2-3 accumulator spring 34931-01 is a direct replacement spring that has been stress relieved...

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Now: $19.95
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Sonnax

4L80E 3rd & Reverse Checkball Sleeve Kit | Sonnax | 1995-UP

4L80-E, 4L85-E 3rd & Reverse Checkball Sleeve KitPart No. 34200-47K Fits units '95-later. Vehicles with '95-later GM 4L80-E and 4L85-E transmissions commonly exhibit wear in the Reverse...

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Now: $24.95
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Sonnax

4L80E 4L85E Externally Adjustable Low/Reverse Servo Kit by Sonnax

4L80E 4L85E Externally Adjustable Low/Reverse Servo Kit by Sonnax Externally Adjustable Low/Reverse Servo KitPart No. 34914-28K Designed for GM 4L80-E and 4L85-E racing transmissions,...

MSRP:

Now: $355.00
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Sonnax

4L80E 4L85E Performance Pack by Sonnax

4L80E 4L85E Performance Pack by Sonnax Part No. HP-4L80E-01 Sonnax Performance Pack HP-4L80E-01 upgrades GM 4L80-E and 4L85-E transmissions for maximum performance and durability in...

MSRP:

Now: $385.00
Currently Out of Stock
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Sonnax

4L80E 4L85E Reverse Checkball Sleeve | Sonnax

Reverse Checkball SleevePart No. 34200-38 Fits units '95-later. Package Quantity: 4 Vehicles with '95-later GM 4L80-E and 4L85-E transmissions commonly exhibit wear in the Reverse checkball...

MSRP:

Now: $28.50
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Sonnax

4L80E 4L85E TCC PR Valve O-Ringed End Plug Kit | Sonnax

O-Ringed End Plug KitPart No. 34200-05K TCC & PR Valves OE end plugs are designed to prevent critical pressure loss by capping the bore, while also functioning as a valve stop. Repetitive...

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Now: $29.95
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Sonnax

4L80E 4L85E TH400 HD Intermediate Clutch Outer Sprag Race | Sonnax

4L80E 4L85E TH400 HD Intermediate Clutch Outer Sprag Race by Sonnax Part No. 34663HD-02 Improve GM 4L80-E, 4L85-E and TH400 transmission durability with Sonnax heavy duty intermediate clutch...

MSRP:

Now: $82.95
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Sonnax

4L80E 4L85E Vacuum Test Plate Kit Replacement Seal | Sonnax

4L80E Vacuum Test Plate Kit Replacement Seal Sonnax Part Number: 34994-VTP-S TOOLING REQUIRED VACTEST-01K 34994-VTP Sonnax vacuum test plate kit seal 34994-VTP-S is a replacement silicone seal for...

MSRP:

Now: $121.70
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Sonnax

4L80E 4L85E Vacuum Test Plate Kit | Sonnax

4L80E Vacuum Test Plate Kit Sonnax Part Number: 34994-VTP TOOLING REQUIRED VACTEST-01K A worn valve or valve body bore can result in incorrect pressures in the transmission, which may lead to poor...

MSRP:

Now: $212.33
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Sonnax

4L80E 4T60 4T65E Planetary Thrust Bearing | Sonnax

4L80E 4L85E: Overdrive Planet Thrust Bearing 4T60 4T60E 4T65E Input Carrier Thrust Bearing Sonnax Part Number: 34821-01 NO TOOLING REQUIRED 34821-01 is a direct replacement for the planetary...

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Now: $12.95
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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...

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Sonnax

4L80E Actuator Feed Limit Valve Kit | Sonnax

4L80E 4L85E Actuator Feed Limit Valve Kit Sonnax Part Number: 34994-13 TOOLING REQUIRED 77754-TL The actuator feed limit (AFL) valve in GM 4L80-E and 4L85-E units has a large reaction area and is...

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Now: $47.02
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Sonnax

4L80E AFL Filter End Plug & O-Ring Kit | Sonnax

4L80-E, 4L85-E AFL Filter End Plug & O-Ring KitPart No. 34994-17K GM 4L80-E and 4L85-E transmissions may have 2nd gear starts and no upshifts, which can be accompanied by trouble codes...

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Now: $7.50
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Sonnax

4L80E Bearing Kit | Sonnax

4L80E Bearing Kit Sonnax Part Number: SBK-G20 PACKAGE CONTAINS OD Planet (Captured) Overdrive Carrier/Forward Clutch Drum Sun/Internal Gear Rear Ring Gear/Output Shaft Center Support/Sun...

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Now: $53.69
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Sonnax

4L80E Boost Valve Kit (O-Ring Style Pumps)

Boost Valve KitPart No. 34200-01K O-Ring style. Kit can be retrofit to back to '89 units. See instructions for details. Common problems in vehicles with GM 4L80-E and 4L85-E transmissions are...

MSRP:

Now: $24.95
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Sonnax

4L80E Boost Valve Kit - Sonnax

Common problems in vehicles with GM 4L80-E and 4L85-E transmissions include uncontrollable line rise (upward of 500 psi), high line pressure in Reverse, broken direct clutch drums and/or broken cases...

MSRP:

Now: $92.14
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Sonnax

4L80E Case Saver Retainer | Sonnax | 1999-UP

4L80E (1999-UP) Case Saver Retainer Sonnax Part Number: 34762-20 Sonnax case saver retainer 34762-20 for '99-later GM 4L80-E and 4L85-E transmissions is the only intermediate clutch retaining ring...

MSRP:

Now: $39.95
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