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Piston and Piston Kits For Automatic Transmissions

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Piston Kit Transtec (5) 6L45 6L50 MYA MYB
$332.95 - $332.95
$332.95
$332.95 - $332.95
$332.95

Piston Kit Transtec 6L45 6L50 MYA MYB

in stock

Piston Kit Transtec (5) 6L45 6L50 MYA MYB Transmissions: 6L50 (6L50E,MYB) 2006-UP, 6L45 (6L45E,MYA) 2006-UP Vehicle BMW1-SERIES 2006-2013 6 SP RWD...

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$332.95 - $332.95
$332.95
$332.95 - $332.95
$332.95
Piston Kit AW80-40LE AW80-40LS AW81-40LE U440E, U441E
$245.06 - $245.06
$245.06
$245.06 - $245.06
$245.06

Piston Kit AW80-40LE AW80-40LS AW81-40LE U440E U441E

Only 1 left!

Piston Kit AW80-40LE AW80-40LS AW81-40LE U440E, U441E Transmissions: U441E (AW81-40LE,AW80-40LE,U440E) 1999-2008 Vehicle BUICKEXCELLE/EXCELLE HRV ...

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$245.06 - $245.06
$245.06
$245.06 - $245.06
$245.06
$226.66 - $226.66
$226.66
$226.66 - $226.66
$226.66

Piston Kit 1st Gen 6T40 2008/12

Only 1 left!

Piston Kit 1st Gen 6T40 2008/12  Contains 5 Pistons.Transmissions: 6T40 (6T40E,X23F) 2008-2012 Vehicle BUICKALPHEON 2012 6 SP FWD L4 2.4LENCORE 20...

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$226.66 - $226.66
$226.66
$226.66 - $226.66
$226.66
Piston Kit Gen 2 Transtec 6T35 6T40 6T45 2012/UP Sold Out
$219.91 - $219.91
$219.91
$219.91 - $219.91
$219.91

Piston Kit Gen 2 Transtec 6T35 6T40 6T45 2012/UP

Out of stock

Piston Kit Gen 2 Transtec 6T35 6T40 6T45 2012/UP Transmissions: 6T45 (6T45E,MH7) 2012-UP, 6T40 (6T40E,X23F) 2012-UP, 6T35 2012-UP Vehicle BUICKALP...

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$219.91 - $219.91
$219.91
$219.91 - $219.91
$219.91
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Piston Kit Transtec 3ra Gen GMC 2014/UP 6T40 6T45
$215.86 - $215.86
$215.86
$215.86 - $215.86
$215.86

Piston Kit Transtec 3rd GEN GMC 2014/UP 6T40 6T45

Only 1 left!

Piston Kit Transtec 3ra Gen GMC 2014/UP 6T40 6T45 Transmissions: 6T40 (6T40E,X23F) 2014-UP Vehicle BUICKALPHEON 2014-2015 6 SP FWD L4 2.4LCASCADA ...

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$215.86 - $215.86
$215.86
$215.86 - $215.86
$215.86
$203.75 - $203.75
$203.75
$203.75 - $203.75
$203.75

Piston Kit (3) U880E U880F U881E U881F AWF8F35 TG-80SC AWF8F45 AF50-8 TG-81SC

in stock

Piston Kit (3) U880E U880F U881E U881F AWF8F35 TG-80SC AWF8F45 AF50-8 TG-81SC Transmissions: AWF8F45 (TG-81SC,AF50-8) 2013-UP, AWF8F35 (8F45,U881F...

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$203.75 - $203.75
$203.75
$203.75 - $203.75
$203.75
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$161.91 - $161.91
$161.91
$161.91 - $161.91
$161.91

Piston KIT (7) 4T40E MN5 ME7 MN4 4T45E

Out of stock

Piston KIT (7) 4T40E MN5 ME7 MN4 4T45E Transmissions: 4T40E (MN5,ME7,MN4,4T45E) 1995-UP Vehicle BUICKSKYLARK 1997 4 SP FWD L4 2.4LCHEVROLETCAVALIE...

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$161.91 - $161.91
$161.91
$161.91 - $161.91
$161.91
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Piston Kit (4) TF-81SC TF-80SC AF21 AW6AX-EL AF21B AW6AX-E AW6A-EL MXE AM6 AF40-6 AF40
$158.57 - $158.57
$158.57
$158.57 - $158.57
$158.57

Piston Kit TF-81SC TF-80SC AF21 AW6AX-EL AF21B AW6AX-E AW6A-EL MXE AM6 AF40-6 AF40

Only 1 left!

Piston Kit (4) TF-81SC TF-80SC AF21 AW6AX-EL AF21B AW6AX-E AW6A-EL MXE AM6 AF40-6 AF40 Transmissions: TF-81SC (AF21,AW6AX-EL,AF21B,AW6AX-E) 2005-2...

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$158.57 - $158.57
$158.57
$158.57 - $158.57
$158.57
Piston Kit (5) 6F50 6F55 6T70 6T75 2007/12
$149.97 - $149.97
$149.97
$149.97 - $149.97
$149.97

Piston Kit 6F50 6F55 6T70 6T75 2007/12

in stock

Piston Kit 6F50 6F55 6T70 6T75 2007/12 Transmissions: 6T75 2007-2012, 6F55 2007-2012, 6F50 2007-2012, 6T70 (MH4,MH2) 2007-2012 Vehicle BUICKENCLAV...

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$149.97 - $149.97
$149.97
$149.97 - $149.97
$149.97
Piston Kit 2WD 4L40E 5L40E 5L50E MX5 M82 MV3 M22
$147.21 - $147.21
$147.21
$147.21 - $147.21
$147.21

Piston Kit 2WD 4L40E 5L40E 5L50E MX5 M82 MV3 M22

in stock

Piston Kit 2WD 4L40E 5L40E 5L50E MX5 M82 MV3 M22 Transmissions: 4L40E 1999-UP, 5L40E (MX5,M82) 1999-UP, 5L50E (MV3,M22) 1999-UP Vehicle BMW3-SERIE...

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$147.21 - $147.21
$147.21
$147.21 - $147.21
$147.21
Piston Kit Transtec 9T45 9T50 9T60 9T65 2017/UP
$129.58 - $129.58
$129.58
$129.58 - $129.58
$129.58

Piston Kit Transtec 9T45 9T50 9T60 9T65 2017/UP

in stock

Piston Kit Transtec 9T45 9T50 9T60 9T65 2017/UP Transmissions: 9T50 (9T65,9T60,9T45) 2017-UPVehicleBUICKEnclave, Regal Sportback 2018-2020 9 SPD F...

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$129.58 - $129.58
$129.58
$129.58 - $129.58
$129.58
Piston Kit Transtec (4) TF-81SC TF-80SC AF21 AF40 AW6A-EL MXE AM6 AW6AX-EL AW6AX-E 2005/11
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$124.38 - $124.38
$124.38
$124.38 - $124.38
$124.38

Piston Kit Transtec TF-81SC TF-80SC AF21 AF40 AW6A-EL MXE AM6 AW6AX-EL AW6AX-E 2005/11

Out of stock

Piston Kit Transtec (4) TF-81SC TF-80SC AF21 AF40 AW6A-EL MXE AM6 AW6AX-EL AW6AX-E 2005/11 Transmissions: TF-80SC (AW6A-EL,MXE,AM6,AF40-6,AF40,TF8...

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$124.38 - $124.38
$124.38
$124.38 - $124.38
$124.38
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$118.07 - $118.07
$118.07
$118.07 - $118.07
$118.07

Piston Kit Hi-Per Blue 1st And 2nd Generation 6T30 MH9

in stock

Piston Kit (5) Hi-Per Blue 1st And 2nd Generation 6T30 MH9 Piston Kit has 5 Pistons Hi-Per Blue.Transmissions: 6T30 (MH9) 2008-2018 Vehicle BUICKE...

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$118.07 - $118.07
$118.07
$118.07 - $118.07
$118.07
$90.27 - $90.27
$90.27
$90.27 - $90.27
$90.27

Piston Kit (3) 9T45 9T50 9T60 9T65 2017/UP

in stock

Piston Kit (3) 9T45 9T50 9T60 9T65 2017/UP Transmissions: 9T50 (9T65,9T60,9T45) 2017-UP Vehicle BUICKRegal Sportback 2018-2020 9 SPD FWDEnvision 2...

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$90.27 - $90.27
$90.27
$90.27 - $90.27
$90.27
Piston Kit (3) 4L60E 4L65E 4L70E 1997/UP
$70.27 - $70.27
$70.27
$70.27 - $70.27
$70.27

Piston Kit (3) 4L60E 4L65E 4L70E 1997/UP

in stock

Piston Kit (3) 4L60E 4L65E 4L70E 1997/UP Contains1 x Piston Molded Overdrive Clutch TH700-R4, 4L60E, 4L65E, 4L70E 1 x Piston Molded 3Rd-4Th Clutch ...

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$70.27 - $70.27
$70.27
$70.27 - $70.27
$70.27
Piston Kit (2) AW80-40LE AW80-40LS AW81-40LE U440E U441E
$52.78 - $52.78
$52.78
$52.78 - $52.78
$52.78

Piston Kit AW80-40LE AW80-40LS AW81-40LE U440E U441E

in stock

Piston Kit (2) AW80-40LE AW80-40LS AW81-40LE U440E U441E Without Reverse Piston with Forward DrumTransmissions: U441E (AW81-40LE,AW80-40LE,U440E) ...

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$52.78 - $52.78
$52.78
$52.78 - $52.78
$52.78
Piston Kit TSS ZF4HP16
$48.81 - $48.81
$48.81
$48.81 - $48.81
$48.81

Piston Kit TSS ZF4HP16

in stock

Piston Kit TSS ZF4HP16 Contains 1 x Piston Molded "C" Clutch (Large) ZF4HP16 1 x Piston Molded "D" Clutch (Small) ZF4HP16 Transmis...

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$48.81 - $48.81
$48.81
$48.81 - $48.81
$48.81
Piston Kit Hi-per Blue 4L60E 4L65E 4L70E 1997/UP
$48.38 - $48.38
$48.38
$48.38 - $48.38
$48.38

Piston Kit Hi-per Blue 4L60E 4L65E 4L70E 1997/UP

in stock

Piston Kit Hi-per Blue 4L60E 4L65E 4L70E 1997/UP Contains 3 PistonsTransmissions: 4L70E (M70) 1997-UP, 4L65E (M32) 1997-UP, 4L60E (M33,M30) 1997-U...

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$48.38 - $48.38
$48.38
$48.38 - $48.38
$48.38
Piston Kit (2) ZF4HP16
Sold Out
$43.76 - $43.76
$43.76
$43.76 - $43.76
$43.76

Piston Kit (2) ZF4HP16

Out of stock

Piston Kit (2) ZF4HP16 Transmissions: ZF4HP16 2002-UP Vehicle BUICKEXCELLE 2003-2009 4 SP FWD L4 1.8LCHEVROLETEPICA 2005-2012 4 SP FWD L4 2.0LOPTR...

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$43.76 - $43.76
$43.76
$43.76 - $43.76
$43.76
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$37.80 - $37.80
$37.80
$37.80 - $37.80
$37.80

Piston Bonded Hi-Per Blue Low-Rev 6L45 6L50

Out of stock

Piston Bonded Hi-Per Blue Low-Rev 6L45 6L50 Transmissions: 6L50 (6L50E,MYB) 2007-UP, 6L45 (6L45E,MYA) 2007-UPOEM Number: 24225525 Vehicle BMW1-SER...

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$37.80 - $37.80
$37.80
$37.80 - $37.80
$37.80
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Piston Kit (3) 4L60E 4L65E 4L70E 1997/UP
Sold Out
$36.69 - $36.69
$36.69
$36.69 - $36.69
$36.69

Piston Kit (3) 4L60E 4L65E 4L70E 1997/UP

Out of stock

Piston Kit 4L60E 4L65E 4L70E 1997/UP Contains1 x Piston Molded Overdrive Clutch TH700-R4, 4L60E, 4L65E, 4L70E 1 x Piston Molded 3Rd-4Th Clutch TH70...

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$36.69 - $36.69
$36.69
$36.69 - $36.69
$36.69
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$32.91 - $32.91
$32.91
$32.91 - $32.91
$32.91

Piston Bonded Hi-Per Blue 2-6 6L45 6L50

Out of stock

Piston Bonded Hi-Per Blue 2-6 6L45 6L50 Transmissions: 6L50 (6L50E,MYB) 2007-UP, 6L45 (6L45E,MYA) 2007-UPOEM Number: 24225524 Vehicle BMW1-SERIES ...

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$32.91 - $32.91
$32.91
$32.91 - $32.91
$32.91
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$24.16 - $24.16
$24.16
$24.16 - $24.16
$24.16

Piston Bonded Hi-Per Blue 4-5-6 6L45 6L50

Out of stock

Piston Bonded Hi-Per Blue 4-5-6 6L45 6L50 Transmissions: 6L50 (6L50E,MYB) 2007-UP, 6L45 (6L45E,MYA) 2007-UPOEM Number: 24225523 Vehicle BMW1-SERIE...

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$24.16 - $24.16
$24.16
$24.16 - $24.16
$24.16
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$23.01 - $23.01
$23.01
$23.01 - $23.01
$23.01

Piston Molded C Clutch (Large) ZF4HP16

in stock

Piston Molded C Clutch (Large) ZF4HP16 Transmissions: ZF4HP16 2002-UPOEM Number: 26826-86Z00 Vehicle BUICKEXCELLE 2003-2009 4 SP FWD L4 1.8LCHEVRO...

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$23.01 - $23.01
$23.01
$23.01 - $23.01
$23.01
Discover a complete selection of piston kits and servo kits engineered for automatic transmissions. At Sun Transmissions, we stock OEM-quality transmission pistons, individual servo pistons, and complete piston rebuild kits compatible with all major transmission brands and models.
Each piston kit is precisely machined and built to meet high performance standards—helping prevent blow-by, sticking, and overheating in clutch assemblies. Designed for durability and reliability, our pistons are ideal for professional rebuilds and heavy-duty applications.
Our catalog includes accumulator pistons, servo pistons, and direct clutch pistons for a wide range of domestic and import transmissions such as 4L60E, 42RLE, 6T40, 5R110W, and more.
Enjoy fast U.S. shipping, expert technical support, and trusted quality for every automatic transmission rebuild.

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