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Remanufactured Valve Body
Internal
1-2-3-4/3-5-R Drum Bushing 104030-03
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 2.346"
- Shaft Dia.: 2.184"
- Width: 0.532"
-
Helps cure:
- Premature wear & bushing failure
2-6/3-5-R Hub Front Bushing 104030-02
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 1.600"
- Shaft Dia.: 1.465"
- Width: 0.506"
-
Helps cure:
- Premature wear & bushing failure
2-6/3-5-R Hub Rear Bushing 104030-01
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 1.483"
- Shaft Dia.: 1.358"
- Width: 0.480"
-
Helps cure:
- Premature wear & bushing failure
4-5-6 Clutch Drum Bushing 104030-05
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 0.819"
- Shaft Dia.: 0.685"
- Width: 0.520"
-
Helps cure:
- Premature wear & bushing failure
Bushing Kit 104030-01K
- Bushing Style: Precision
- Material: Steel-backed alloy
-
Helps cure:
- Premature wear & bushing failure
- Harsh shifts
- Gear ratio & solenoid codes
- Code P0741
- TCC apply & release concerns
- Clutch failure
Front Center Support Bushing 104030-06
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 2.018"
- Shaft Dia.: 1.890"
- Width: 0.413"
-
Helps cure:
- Premature wear & bushing failure
Output Shaft Bushing 104030-08
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 1.319"
- Shaft Dia.: 1.189"
- Width: 0.512"
-
Helps cure:
- Premature wear & bushing failure
Rear Center Support Bushing 104030-07
- Bushing Style: Precision
- Bearing Style: Steel-backed alloy
- Housing Bore: 1.888"
- Shaft Dia.: 1.752"
- Width: 0.433"
-
Helps cure:
- Premature wear & bushing failure
Stator Support Bushing Kit 104036BK
- Bushing Style: Precision
- Material: Steel-backed bronze
-
Helps cure:
- Premature wear & bushing failure
- Code P0741
- TCC apply & release concerns
Pump
Boost Valve Kit 104520-12K
Line Pressure Booster Kit 6L80-LB1
Oversized Converter Feed Limit Valve 104520-11
-
Helps cure:
- High TCC slip RPM
- Code P0218
- Code P0741
- Overheated converter
- Inadequate lubrication
- Excess converter pressure
-
Tooling:
- F-104520-TL11C
- VB-06
- VB-FIX
Pressure Regulator Valve Kit 104520-15K
Pump Bushing 104034A
Not for use in 6L45 BMW models, which have a bearing in that position.
- Bushing Style: Precision
- Material: PTFE-Impregnated Bimetal
- Housing Bore: 1.994"
- Shaft Dia.: 1.834"
- Width: 0.782"
-
Helps cure:
- Premature wear & bushing failure
- Excess converter hub-to-bushing clearance
- Pump noise
Pump Slide Pivot Pin & Spring Kit 104553-03K
-
Helps cure:
- Erratic line pressure
- Pump leaks
- Pump noise
Pump Vane 76742
- Width: 0.534"
- Height: 0.706"
- Thickness: 0.079"
-
Helps cure:
- Lost or damaged component
Valve Body
(View Valve Body Layout Diagram)
Actuator Feed Limit Valve Kit 104740-47K
Center Support Seal Kit 104740-14K
Clutch Select Valve Spring Kit 104740-02K
Fits mid '10–earlier. Compatible with all models except early, 1st design 6L80 plate 24246916.
-
Helps cure:
- Code P0751
- 1-2-3-4 Clutch burned
- 3-5-Reverse clutch burned
- Cruise control disabled
Compensator Feed Regulator Valve Kit 104740-09K
O-Ringed End Plug Kit 104740-23K
Oversized Actuator Feed Limit Valve 104740-12
-
Helps cure:
- Solenoid performance codes
- Clutch failure
- Wrong gear starts
- Harsh shifts
- Soft shifts
-
Tooling:
- F-104740-TL12
- VB-FIX
Oversized Clutch Boost Valve 104740-01
Fits any of 3 locations
-
Helps cure:
- Shift quality is not load sensitive
- Clutch pressure solenoid codes
- Burnt clutches
- Delayed engagement
- Harsh shifts
- Slide shifts
- Slip codes
- Slips & flares
-
Tooling:
- F-104740-TL
- VB-FIX
Oversized TCC Regulator Valve Kit 104740-07K
-
Helps cure:
- Code P0741, P0742
- High TCC slip RPM
- Overheated fluid
- Failsafe mode
- Harsh shifts
- Harsh TCC apply
- Loss of fuel economy
-
Tooling:
- F-104740-TL7
- VB-FIX
Pressure Switch Rebuild Kit 124740-70K
-
Helps cure:
- Pressure switch codes
- Switch codes
- Pressure control out-of-range codes
- Slips, flares & bind-ups
- Failsafe mode
- Erratic TCC apply
- Harsh shifts
- Shift codes
-
Tooling:
- 124740-TL70
TCC Regulator Valve Kit 104740-46K
Zip Kit® 6L45-6L90-ZIP
Tech Resources
FEATURED
August 21, 2013
Vacuum Test Guide
GM 6L45, 6L50, 6L80, 6L90 Vacuum Test Guide
January 30, 2018
Identification Guide
GM & BMW 6L80 Family Identification Guide
July 01, 2020
Identification Guide
Always Identify These Valve Bodies BEFORE You Start a Transmission Rebuild
Andrew Jessiman
September 17, 2021
Valve Body Layout
GM 6L45, 6L50, 6L80, 6L90 Valve Body Layout
April 10, 2025
6L80 Series Pressure Regulator Valve Kits — Now, No Drilling Required!
May 22, 2023
Transmission Repair Tip: How to Use Small Drill Bits with a Portable Drill Motor
Jim Mobley
March 08, 2023
GM 6L45/50, 6L80/90 No Movement Conditions: Analysis & Repair Tips
Jim Mobley
January 25, 2023
Uncovering the Root Cause of Pressure & Complaints – The Critical Role of Solenoid Modulator & AFL Valves
Maura Stafford
October 13, 2022
How to Get Started with OE ECU Reprogramming
Jim Mobley
March 15, 2022
6L80 Series Pump Drilling Demo with Small Drill Bit Vise
Jim Mobley
March 30, 2021
The Evolution of Automatic Transmissions Part 1: A Brief History
Jason Larochelle
March 17, 2021
6L80 Series Pressure Regulator Valve Repairs: Pump Drilling Explained
March 09, 2021
Why Do I Drill the Pump? Preventing Excess 6L80 Series Line Pressure with a Drop-In Sonnax PR Valve
Andrew Jessiman
November 20, 2020
Hydraulics Fundamentals Part IX: Clutch Regulator Valves — Controlling Shift Apply & Feel
July 20, 2020
Conquering the GM Compensator Clip Conundrum
Andrew Jessiman
February 26, 2019
Hydraulics Fundamentals Part II: Accumulators & Shift Feel
Maura Stafford
October 24, 2018
Clean Up Your Shifts with Sonnax Line Pressure Booster Kits
July 24, 2018
Transmission Report Newsletter: July 2018
March 09, 2015
GM 6L80 Series Transmission Upgrades & Repairs
October 28, 2014
How to Rebuild TEHCM Pressure Switches in GM 6L45/50/80/90 & Gen. 1 6T70/75 Transmissions
October 27, 2014