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GM / Chevy Transmission Parts

Shop all GM and Chevrolet automatic transmission parts in one place. That covers the 4L60E, 4L60 / 700R4, 4L80E, 6L80 / 6L90, 8L90, 8L45, 10L80 / 10L90 and the Allison 10L1000. We carry overhaul an...

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GM / Chevy Transmission Parts

Shop all GM and Chevrolet automatic transmission parts in one place. That covers the 4L60E, 4L60 / 700R4, 4L80E, 6L80 / 6L90, 8L90, 8L45, 10L80 / 10L90 and the Allison 10L1000. We carry overhaul and master rebuild kits, friction and steel clutch plates, seals and gaskets, solenoids, filters, bushings, pistons, valve body parts and hard parts.

Use the search bar to find a part by number or keyword, or pick your transmission to narrow the list. Every part lists its fitment and part number so you can match it to your build.

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TH400 Washer 34211G - TransJel automatic transmission washers
$8.03 - $8.03
$8.03
$8.03 - $8.03
$8.03

TH400 Washer 34211G

Washer for THM400, 3L80 automatic transmissions. Part # 34211G from TransJel. Stator, .128". Part #: 34211G Brand: TransJel Part type: Washers ...

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$8.03 - $8.03
$8.03
$8.03 - $8.03
$8.03
TH400 Pan Gasket 34300 - TransJel automatic transmission pan gaskets
$2.26 - $2.26
$2.26
$2.26 - $2.26
$2.26

TH400 Pan Gasket 34300

Pan Gasket for THM400, 3L80 automatic transmissions. Part # 34300 from TransJel. Cork. Part #: 34300 Brand: TransJel Part type: Pan Gaskets Fit...

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$2.26 - $2.26
$2.26
$2.26 - $2.26
$2.26
TH400 Bearing Kit S34211K - Sonnax automatic transmission bearing kits
$36.53 - $36.53
$36.53
$36.53 - $36.53
$36.53

TH400 Bearing Kit S34211K

Bearing Kit for THM400, 3L80 automatic transmissions. Part # S34211K from Sonnax. Includes; 1 Pump Thrust Bearing and 4 Shims, ( 2 of .010" Thick a...

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$36.53 - $36.53
$36.53
$36.53 - $36.53
$36.53
TH400 Pan Gasket 34300F - TransTec automatic transmission pan gaskets
$14.57 - $14.57
$14.57
$14.57 - $14.57
$14.57

TH400 Pan Gasket 34300F

Pan Gasket for THM400, 3L80 automatic transmissions. Part # 34300F from TransTec. Fiber. Part #: 34300F Brand: TransTec Part type: Pan Gaskets ...

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$14.57 - $14.57
$14.57
$14.57 - $14.57
$14.57
TH400 Gasket 34306 - TransTec automatic transmission gaskets
$3.47 - $3.47
$3.47
$3.47 - $3.47
$3.47

TH400 Gasket 34306

Gasket for THM400, 3L80, AT542 automatic transmissions. Part # 34306 from TransTec. Governor Cover. Part #: 34306 Brand: TransTec Part type: Gas...

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$3.47 - $3.47
$3.47
$3.47 - $3.47
$3.47
TH400 Gasket 34305 - TransTec automatic transmission gaskets
$1.48 - $1.48
$1.48
$1.48 - $1.48
$1.48

TH400 Gasket 34305

Gasket for THM400, 3L80 automatic transmissions. Part # 34305 from TransTec. Extension Housing. Part #: 34305 Brand: TransTec Part type: Gaskets...

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$1.48 - $1.48
$1.48
$1.48 - $1.48
$1.48
TH400 Gasket 34307 - TransTec automatic transmission gaskets
$4.27 - $4.27
$4.27
$4.27 - $4.27
$4.27

TH400 Gasket 34307

Gasket for THM400, 3L80 automatic transmissions. Part # 34307 from TransTec. Rear Servo Cover. Part #: 34307 Brand: TransTec Part type: Gaskets ...

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$4.27 - $4.27
$4.27
$4.27 - $4.27
$4.27
TH400 Steel Pan, Deep, with Drain Plug, Powder Coated A34765D - TransJel automatic transmission case parts - view 1 of 3
$59.01 - $59.01
$59.01
$59.01 - $59.01
$59.01

TH400 Steel Pan, Deep, with Drain Plug, Powder Coated A34765D

Steel Pan, Deep, with Drain Plug, Powder Coated for THM400, 3L80, THM475/M40 automatic transmissions. Part # A34765D from TransJel. Truck/Motorhome...

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$59.01 - $59.01
$59.01
$59.01 - $59.01
$59.01
TH400 Oil Pan A34765AA-Q - TransJel automatic transmission cases & housings
$154.93 - $154.93
$154.93
$154.93 - $154.93
$154.93

TH400 Oil Pan A34765AA-Q

Oil Pan for THM400 automatic transmissions. Part # A34765AA-Q from TransJel. Alum, 3' Deep, With Drain Plug. Part #: A34765AA-Q Brand: TransJel ...

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$154.93 - $154.93
$154.93
$154.93 - $154.93
$154.93
TH400 Oil Pan A34765DC - TransJel automatic transmission cases & housings - view 1 of 3
$27.36 - $27.36
$27.36
$27.36 - $27.36
$27.36

TH400 Oil Pan A34765DC

Oil Pan for THM400, 3L80 automatic transmissions. Part # A34765DC from TransJel. With Drain Plug, Chrome. Part #: A34765DC Brand: TransJel Part ...

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$27.36 - $27.36
$27.36
$27.36 - $27.36
$27.36
TH400 Oil Pan A34765A - TransJel automatic transmission case parts
$33.92 - $33.92
$33.92
$33.92 - $33.92
$33.92

TH400 Oil Pan A34765A

Oil Pan for THM400 automatic transmissions. Part # A34765A from TransJel. 2-Dimples, Flat Filter Type, with Drain Plug, Tough Powder Coated Finishe...

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$33.92 - $33.92
$33.92
$33.92 - $33.92
$33.92
TH400 Governor R34680 - Transmaxx automatic transmission governor parts
$42.11 - $42.11
$42.11
$42.11 - $42.11
$42.11

TH400 Governor R34680

Governor for THM400, 3L80 automatic transmissions. Part # R34680 from Transmaxx. with New Gear. Part #: R34680 Brand: Transmaxx Part type: Gover...

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$42.11 - $42.11
$42.11
$42.11 - $42.11
$42.11
TH400 Gear Kit A34684 - Sonnax automatic transmission governor parts
$8.45 - $8.45
$8.45
$8.45 - $8.45
$8.45

TH400 Gear Kit A34684

Gear Kit for THM400, 3L80 automatic transmissions. Part # A34684 from Sonnax. Governor; 11 Teeth; Contains Gear, Roll-Pin, and Nails. Part #: A346...

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$8.45 - $8.45
$8.45
$8.45 - $8.45
$8.45
Used TH400 Input Shaft U34670 - automatic transmission shafts
$13.37 - $13.37
$13.37
$13.37 - $13.37
$13.37

Used TH400 Input Shaft U34670

Used Input Shaft for THM400, 3L80 automatic transmissions. Part # U34670 from Quality Used Parts. Fixed Pitch Type. Part #: U34670 Brand: Quality...

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$13.37 - $13.37
$13.37
$13.37 - $13.37
$13.37
Used TH400 Main Shaft U34672 - automatic transmission shafts
$13.37 - $13.37
$13.37
$13.37 - $13.37
$13.37

Used TH400 Main Shaft U34672

Used Main Shaft for THM400, 3L80 automatic transmissions. Part # U34672 from Quality Used Parts. 10.250" Long; w/ Restrictor Plug. Part #: U34672 ...

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$13.37 - $13.37
$13.37
$13.37 - $13.37
$13.37
Used TH400 Race U34663 - automatic transmission sprags & one way clutches
$15.01 - $15.01
$15.01
$15.01 - $15.01
$15.01

Used TH400 Race U34663

Used Race for THM400, 3L80 automatic transmissions. Part # U34663 from Quality Used Parts. Intermediate Sprag; Outer, 0.751" Thick. Part #: U34663...

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$15.01 - $15.01
$15.01
$15.01 - $15.01
$15.01
Used TH400 Planet U34584SA - automatic transmission planetaries
$334.88 - $334.88
$334.88
$334.88 - $334.88
$334.88

Used TH400 Planet U34584SA

Used Planet for THM400, 3L80 automatic transmissions. Part # U34584SA from Quality Used Parts. Rear, 4 Gear, Straight Cut Gear, 1.500" Parking Lug....

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$334.88 - $334.88
$334.88
$334.88 - $334.88
$334.88
TH400 Center Support R34630A - Transmaxx automatic transmission supports - view 1 of 3
$45.41 - $45.41
$45.41
$45.41 - $45.41
$45.41

TH400 Center Support R34630A

Center Support for THM400, 3L80 automatic transmissions. Part # R34630A from Transmaxx. Direct Drum has Lug Cam, Uses Roller Clutch. Part #: R3463...

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$45.41 - $45.41
$45.41
$45.41 - $45.41
$45.41
TH400 Rear Planet R34584A - Transmaxx automatic transmission planetaries
$73.16 - $73.16
$73.16
$73.16 - $73.16
$73.16

TH400 Rear Planet R34584A

Rear Planet for THM400, 3L80 automatic transmissions. Part # R34584A from Transmaxx. 4 Gear, 1.500" Parking Lug. Part #: R34584A Brand: Transmaxx...

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$73.16 - $73.16
$73.16
$73.16 - $73.16
$73.16
Used TH400 Rear Planet U34584 - automatic transmission planetaries
$80.75 - $80.75
$80.75
$80.75 - $80.75
$80.75

Used TH400 Rear Planet U34584

Used Rear Planet for THM400, 3L80 automatic transmissions. Part # U34584 from Quality Used Parts. 4 Gear, .500" Parking Lugs. Part #: U34584 Bran...

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$80.75 - $80.75
$80.75
$80.75 - $80.75
$80.75
Used TH400 Drum U34555A - automatic transmission drums
$91.52 - $91.52
$91.52
$91.52 - $91.52
$91.52

Used TH400 Drum U34555A

Used Drum for THM400, 3L80 automatic transmissions. Part # U34555A from Quality Used Parts. Direct; 5 Clutch, With Check Ball; Roller Type. Part #...

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$91.52 - $91.52
$91.52
$91.52 - $91.52
$91.52
Used TH400 Clutch Hub U34575 - automatic transmission ring gears & hubs
$24.92 - $24.92
$24.92
$24.92 - $24.92
$24.92

Used TH400 Clutch Hub U34575

Used Clutch Hub for THM400, 3L80 automatic transmissions. Part # U34575 from Quality Used Parts. Direct Clutch / Forward, Cast Type. Part #: U3457...

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$24.92 - $24.92
$24.92
$24.92 - $24.92
$24.92
Used TH400 Drum U34554 - automatic transmission drums
$72.33 - $72.33
$72.33
$72.33 - $72.33
$72.33

Used TH400 Drum U34554

Used Drum for THM400, 3L80 automatic transmissions. Part # U34554 from Quality Used Parts. Forward; With Shaft. Part #: U34554 Brand: Quality Use...

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$72.33 - $72.33
$72.33
$72.33 - $72.33
$72.33
TH400 Drum Kit S34555HDK - Sonnax automatic transmission drums
$3,348.88 - $3,348.88
$3,348.88
$3,348.88 - $3,348.88
$3,348.88

TH400 Drum Kit S34555HDK

Drum Kit for THM400 automatic transmissions. Part # S34555HDK from Sonnax. Smart -Tech+ Racing Applications That Do Not Use Front Band. Part #: S3...

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$3,348.88 - $3,348.88
$3,348.88
$3,348.88 - $3,348.88
$3,348.88

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