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6-speed longitudinally-mounted automatic transmission
Verify transmission type before ordering! BMW 6L45 (some BMW), GM 6L50, 6L80 & 6L90 are the larger style GM transmissions.
Click here for
6L45, 6L50, 6L80, 6L90 Transmission breakdown illustration


6L45, 6L50, 6L80, 6L90
Automatic Transmission Parts


Click here for important info on our Transmission Rebuild Kits
Transmission Kits Image Price    
104006 Master kit (w/o Bonded Pistons) 6L45, 6L50 07-UP
Includes: overhaul kit, friction clutch plates & standard steel plates
  $ 479.65  
104006C Master kit (with Bonded Pistons) 6L45, 6L50 07-UP
Includes: overhaul kit, friction clutch plates & standard steel plates, with Bonded Pistons
  $ 561.58  
104006A Master Kit (w/o Bonded Pistons), 6L80 (06-Up)
Includes: overhaul kit, friction clutch plates & standard steel plates
  $ 508.21  
104006B Master Kit (w/o Bonded Pistons), 6L90 (07-Up)
Includes: overhaul kit, friction clutch plates & standard steel plates
  $ 567.2  
104004 Banner kit (w/o Pistons) 6L45, 6L50 (07-UP)
Includes: overhaul kit, friction clutch plates
  $ 361.28  
104004C Banner kit (with Pistons) 6L45, 6L50 (07-UP)
Includes: overhaul kit, friction clutch plates, and Bonded Pistons
  $ 422.63  
104004A Banner kit (w/o Bonded Pistons) 6L80 (06-Up)
Includes: overhaul kit, friction clutch plates
  $ 352.52  
104004B Banner kit (w/o Bonded Pistons) 6L90 (07-Up)
Includes: overhaul kit, friction clutch plates
  $ 406.23  
104002 Overhaul Kit (w/ Rings & Seals) (w/o Bonded Pistons), 6L45, 6L50 (07-Up)
Basic overhaul kit includes, paper gaskets, O rings, lip seals, metal clad seals and sealing rings.
  $ 253.38  
104002A Overhaul Kit (w/ Rings & Seals) (w/o Bonded Pistons), 6L80 (06-Up)
Basic overhaul kit includes, paper gaskets, O rings, lip seals, metal clad seals and sealing rings.
  $ 277.1  
104002B Overhaul Kit (w/ Rings & Seals) (w/o Bonded Pistons), 6L90 (07-Up)
Basic overhaul kit includes, paper gaskets, O rings, lip seals, metal clad seals and sealing rings.
  $ 284.67  
195901XHPPWR ALTO HP Master Kit 6L80E/90E w/ Powerpacks
GM 6L80E/90E HP MASTER KIT WITH 3-5-R, 4-5-6, 2-6 CLUTCH POWERPACKS 2006 - ON w/out Bonded Pistons! ALTO # 195901XHPPWR
$ 714  
Pistons & Servos Image Price    
104960A Piston, 4-5-6 Clutch (Bonded) (6L80, 6L90) 06-Up

  $ 20.63  
104962A Piston, 2-6 Clutch (Bonded) (6L80, 6L90) 06-Up

  $ 31.47  
104967A Piston, Low Reverse Clutch (Bonded) (6L80, 6L90) 06-Up

  $ 37.91  
104980A Piston, 4-5-6 Clutch Balance (Bonded) (6L80, 6L90) 06-Up

  $ 18.39  
104984A Piston, 1-2-3-4 Clutch Balance (Bonded) (6L80, 6L90) 06-Up

  $ 16.49  
Filters Image Price    
E104010A Filter, 6L50, 6L80, 6L90 (Exc 08-09 Pontiac) (07-Up)

  $ 24.4  
E104010B FILTER, 6L80 SHALLOW PAN 08-09 PONTIAC G8
(OEM FILTERTEK)
$ 25.95  
Transmission repair manuals Image Price    
104400A Tech Manual, 6L80 (06-Up) ATSG
ATSG 6L80E transmission repair manual.
This manual contains procedures necessary to diagnose, overhaul and/or repair the new 6L80 (6 Speed) transmission from General Motors
$ 87.5  
Bushings Image Price    
104030A BUSHING KIT, 6L80/90 (EXT HSG BUSHING IS NOT INCLUDED)
EXT HSG BUSHING IS NOT INCLUDED
  $ 93.57  
Gaskets & O rings Image Price    
104300 Pan Gasket (6L45, 6L50) 07-Up

  $ 20.21  
104300A Pan Gasket (6L80) 2006-Up

$ 32.88  
104300B Pan Gasket (6L90) 2007-Up

$ 20.11  
Metal Clad Seals Image Price    
104070 Seal, Front Pump 06-Up

  $ 11.9  
44072 Seal, Linkage, Most GM except PG
400, 425, 350 series, 300, 325, 180, 4L80E, 200, 2004R, 2ML70
$ 1.3  
104074B Seal, Rear 68RFE 2007-Up
Also Seal, Rear (2wd) (6L90) 2006-Up
  $ 19.43  
104074 Seal, Rear (2wd) (6L80) 2006-Up

  $ 9.28  
104074A Seal, Adaptor Housing (4wd) (6L80, 6L90) 2006-Up

  $ 18.62  
Clutch plates Image Price    
104108 Friction, 1-2- 3-4 (6L80, 6L90) 06-Up

  $ 3.41  
104108A Friction, 1-2-3-4 (6L45, 6L50) 07-Up

  $ 5.25  
104104 Friction, 2-6 (6L80, 6L90) 06-Up

  $ 4.88  
104124A Friction, 2-6 (One Sided External Teeth) (6L45, 6L50) 07-Up

  $ 8.66  
104104A Friction, 2-6 (One Sided Internal Teeth) (6L45, 6L50) 07-Up

  $ 7.02  
104106A Friction, 3-5-Reverse (6L45, 6L50) 07-Up

  $ 5.93  
104106 Friction, 3-5-Reverse (6L80, 6L90) 06-Up

  $ 4.24  
104100 Friction, 4-5-6 (6L80, 6L90) 06-Up

  $ 2.98  
104120A Friction, 4-5-6 (One Sided External Teeth) (6L45, 6L50) 07-Up

  $ 5.97  
104100A Friction, 4-5-6 (One Sided Internal Teeth) (6L45, 6L50) 07-Up

  $ 4.6  
104114A Friction, Low/ Reverse (6L45, 6L50) 07-Up

  $ 4.53  
104114 Friction, Low/ Reverse (6L80, 6L90) 06-Up

  $ 2.96  
104128 Steel Plate, 1-2- 3-4 (6L80, 6L90) 06-Up

  $ 8.89  
104124 Steel Plate, 2-6 (6L80, 6L90) 06-Up

  $ 10.75  
104126 Steel Plate, 3-5-Reverse (6L80, 6L90) 06-Up

  $ 9.85  
104120 Steel Plate, 4-5-6 (Lindered) (6L80, 6L90) 06-Up

  $ 6.27  
104134 Steel Plate, Low/ Reverse (6L80, 6L90) 06-Up

  $ 12.95  
Solenoids & Electrical Image Price    
D104410A SWITCH IMS (MLPS) 6L80/90 06-UP

  $ 38.96  
D95444 Sleeve, Case Connector 2002-Up
ALSO 6L80, 6L90 (06-UP)
  $ 25.13  
Sprags Image Price    
A104642 Sprag Assembly, Low/ Reverse (6L45, 6L50) 07-Up

  $ 151.43  
A104642A Sprag Assembly, Low/ Reverse (6L80) 06-Up

  $ 148.3  
A104642B Sprag Assembly, Low/ Reverse (6L90) 07-Up

  $ 164.61  
Sonnax Image Price    
S104741ZK ZIP KIT, 6L45, 6L50, 6L80, 6L90
Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45, 6L50, 6L80, 6L90 valve body. The kit contains uniquely designed parts to prevent the loss of pressures within the main line, clutch apply control, solenoid feed and lockup control circuits. The kit also seals multiple circuits known to suffer from end plug leakage or poor checkball sealing. No special tools are required for installing these parts.
The Zip Kit quick guide provides clear and easy instructions on one sheet to get the unit sealed up and back on the road fast. In addition to general rebuilding tips and technical information, the technical booklet included in this kit contains vacuum testing information and locations at other key areas of the valve body.
No reaming required'Installs quickly with no special tools required,Uniquely designed parts address root causes of valve body complaints by sealing critical pressure circuits,Detailed technical booklet included with in-depth rebuild and inspection tips for comprehensive valve body repair
Sonnax # 6L45-6L90-ZIP
$ 383.13  
S104741PK VALVE ASSY, 6L45/90, PR/BOOST OS
104740-12
  $ 71.86  
T-F-104140-TL12 Sonnax Tool, 6L45/90
F-104140-TL12
  $ 395  
124740-28K Sonnax Part, 6L45/50/80/90
sonnax part# 124740-28K
  $ 160  
Pump Components Image Price    
D104532BK ROTOR KIT, 6L50/80/90, 06-UP 0.707" THK Slide NOT Included

  $ 154.75  
S104533 VANE, 6L45/80/90, PUMP 0.534"X0.714"X0.079"
Sonnax# 76742
  $ 1.98  
U104531 ROTOR KIT, 6L50/80/90, 06-UP 0.708" THICK INCL ROTOR, VANES, SEALS, SLIDE, RINGS
Includes: Rotor, Vanes, Slide Guide & Spring
SEE U104531CK. USED AND INSPECTED
  $ 79.06  


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Makco Transmission Parts - 755 Grand Blvd, Ste. B105-261 Miramar Beach, FL 32550
Phone 1-877-916-2526    Fax 1-844-272-9944