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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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Used TH400 Drum U34555 - automatic transmission drums
$145.71 - $145.71
$145.71
$145.71 - $145.71
$145.71

Used TH400 Drum U34555

Used Drum for THM400, 3L80 automatic transmissions. Part # U34555 from Quality Used Parts. Direct; 5 Clutch, No Check Ball; Sprag Type. Part #: U3...

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$145.71 - $145.71
$145.71
$145.71 - $145.71
$145.71
TH400 Converter Reactor A34529 - Sonnax automatic transmission pump components - view 1 of 2
$114.97 - $114.97
$114.97
$114.97 - $114.97
$114.97

TH400 Converter Reactor A34529

Converter Reactor for THM400, 3L80 automatic transmissions. Part # A34529 from Sonnax. Heavy-Duty, Heat Treated Chromoly Steel. Part #: A34529 Br...

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$114.97 - $114.97
$114.97
$114.97 - $114.97
$114.97
TH400 Valve Kit S34507RK - Sonnax automatic transmission pump components - view 1 of 2
$34.08 - $34.08
$34.08
$34.08 - $34.08
$34.08

TH400 Valve Kit S34507RK

Valve Kit for THM400, 3L80 automatic transmissions. Part # S34507RK from Sonnax. Boost, With O-Rings. Part #: S34507RK Brand: Sonnax Part type: ...

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$34.08 - $34.08
$34.08
$34.08 - $34.08
$34.08
TH400 Valve Kit S34507RCK - Sonnax automatic transmission pump components - view 1 of 2
$83.47 - $83.47
$83.47
$83.47 - $83.47
$83.47

TH400 Valve Kit S34507RCK

Valve Kit for THM400, 3L80 automatic transmissions. Part # S34507RCK from Sonnax. Boost, Factory Style Without O-Rings. Part #: S34507RCK Brand: ...

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$83.47 - $83.47
$83.47
$83.47 - $83.47
$83.47
TH400 Valve Kit S34507F - Sonnax automatic transmission pump components - view 1 of 2
$83.36 - $83.36
$83.36
$83.36 - $83.36
$83.36

TH400 Valve Kit S34507F

Valve Kit for THM400, 3L80 automatic transmissions. Part # S34507F from Sonnax. Progressive Line Pressure Booster. Part #: S34507F Brand: Sonnax ...

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$83.36 - $83.36
$83.36
$83.36 - $83.36
$83.36
TH400 Valve Kit S34507PK - Sonnax automatic transmission pump components - view 1 of 2
$35.45 - $35.45
$35.45
$35.45 - $35.45
$35.45

TH400 Valve Kit S34507PK

Valve Kit for THM400, 3L80 automatic transmissions. Part # S34507PK from Sonnax. Pressure Regulator. Part #: S34507PK Brand: Sonnax Part type: P...

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$35.45 - $35.45
$35.45
$35.45 - $35.45
$35.45
TH400 Filter Pipe Intake D34495 - GM automatic transmission hardware, nuts, bolts, clips
$49.65 - $49.65
$49.65
$49.65 - $49.65
$49.65

TH400 Filter Pipe Intake D34495

Filter Pipe Intake for THM400, 3L80 automatic transmissions. Part # D34495 from GM. Deep Pan Type; Plastic. Part #: D34495 Brand: GM Part type: ...

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$49.65 - $49.65
$49.65
$49.65 - $49.65
$49.65
TH400 Gasket 34320A - TransTec automatic transmission gaskets
$7.45 - $7.45
$7.45
$7.45 - $7.45
$7.45

TH400 Gasket 34320A

Gasket for THM400, 3L80 automatic transmissions. Part # 34320A from TransTec. Case to Spacer Plate; 7 Check Ball Type. Part #: 34320A Brand: Tran...

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$7.45 - $7.45
$7.45
$7.45 - $7.45
$7.45
TH400 Gasket 34310 - TransTec automatic transmission gaskets
$7.18 - $7.18
$7.18
$7.18 - $7.18
$7.18

TH400 Gasket 34310

Gasket for THM400, 3L80 automatic transmissions. Part # 34310 from TransTec. Front Pump. Part #: 34310 Brand: TransTec Part type: Gaskets Fits ...

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$7.18 - $7.18
$7.18
$7.18 - $7.18
$7.18
TH400 Gasket 34320 - TransTec automatic transmission gaskets
$12.35 - $12.35
$12.35
$12.35 - $12.35
$12.35

TH400 Gasket 34320

Gasket for THM400 automatic transmissions. Part # 34320 from TransTec. Case to Spacer Plate; 6 Check Ball Type. Part #: 34320 Brand: TransTec Pa...

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$12.35 - $12.35
$12.35
$12.35 - $12.35
$12.35
TH400 Gasket 34321A - TransTec automatic transmission gaskets
$3.16 - $3.16
$3.16
$3.16 - $3.16
$3.16

TH400 Gasket 34321A

Gasket for THM400, 3L80 automatic transmissions. Part # 34321A from TransTec. Valve Body to Spacer Plate; 7 Check Ball Type. Part #: 34321A Brand...

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$3.16 - $3.16
$3.16
$3.16 - $3.16
$3.16
TH400 Gasket 34328 - TransTec automatic transmission gaskets
$10.89 - $10.89
$10.89
$10.89 - $10.89
$10.89

TH400 Gasket 34328

Gasket for THM400, 3L80 automatic transmissions. Part # 34328 from TransTec. Valve Body Detent Solenoid, Metal. Part #: 34328 Brand: TransTec Pa...

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$10.89 - $10.89
$10.89
$10.89 - $10.89
$10.89
TH400 Technical Manual 34400 - ATSG automatic transmission technical manuals
$38.59 - $38.59
$38.59
$38.59 - $38.59
$38.59

TH400 Technical Manual 34400

Technical Manual for THM400, 3L80 automatic transmissions. Part # 34400 from ATSG. Part #: 34400 Brand: ATSG Part type: Technical Manuals Fits ...

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$38.59 - $38.59
$38.59
$38.59 - $38.59
$38.59
TH400 O-Ring 34369A - TransTec automatic transmission o-rings, lip seals, sealing components
$1.37 - $1.37
$1.37
$1.37 - $1.37
$1.37

TH400 O-Ring 34369A

O-Ring for THM400, 3L80 automatic transmissions. Part # 34369A from TransTec. Speed-O-Housing. Part #: 34369A Brand: TransTec Part type: O-Rings...

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$1.37 - $1.37
$1.37
$1.37 - $1.37
$1.37
TH400 External Seal Kit 34390 - TransTec automatic transmission o-rings, lip seals, sealing components
$67.87 - $67.87
$67.87
$67.87 - $67.87
$67.87

TH400 External Seal Kit 34390

External Seal Kit for THM400, 3L80 automatic transmissions. Part # 34390 from TransTec. Part #: 34390 Brand: TransTec Part type: O-Rings, Lip Se...

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$67.87 - $67.87
$67.87
$67.87 - $67.87
$67.87
TH400 O-Ring 34374 - TransTec automatic transmission o-rings, lip seals, sealing components
$1.06 - $1.06
$1.06
$1.06 - $1.06
$1.06

TH400 O-Ring 34374

O-Ring for THM400 automatic transmissions. Part # 34374 from TransTec. Output Shaft to Yoke. Part #: 34374 Brand: TransTec Part type: O-Rings, L...

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$1.06 - $1.06
$1.06
$1.06 - $1.06
$1.06
TH400 O-Ring 34334C - TransTec automatic transmission o-rings, lip seals, sealing components
$13.28 - $13.28
$13.28
$13.28 - $13.28
$13.28

TH400 O-Ring 34334C

O-Ring for THM400 automatic transmissions. Part # 34334C from TransTec. Forward and Direct Clutch Center (Long Lip). Part #: 34334C Brand: TransT...

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$13.28 - $13.28
$13.28
$13.28 - $13.28
$13.28
Metal Clad Seal 36074 - Fits 4R100, E4OD, A727, 46RE / 47RE / 48RE, 42RLE, TH400 - TransTec automatic transmission metal
$8.12 - $8.12
$8.12
$8.12 - $8.12
$8.12

Metal Clad Seal 36074 - Fits 4R100, E4OD, A727, 46RE / 47RE / 48RE, 42RLE, TH400, C6

Metal Clad Seal for 4R100, E4OD, A727, 46RE / 47RE / 48RE, 42RLE, TH400 and C6 automatic transmissions. Part # 36074 from TransTec. Rear, without B...

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$8.12 - $8.12
$8.12
$8.12 - $8.12
$8.12
Metal Clad Seal 713A070A - Fits 45RFE / 545RFE, A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE, TH400 - Dana / Spicer
$14.61 - $14.61
$14.61
$14.61 - $14.61
$14.61

Metal Clad Seal 713A070A - Fits 45RFE / 545RFE, A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE, TH400

Metal Clad Seal for 45RFE / 545RFE, A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE and TH400 automatic transmissions. Part # 713A070A from Dan...

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$14.61 - $14.61
$14.61
$14.61 - $14.61
$14.61
Metal Clad Seal 713A076 - Fits 45RFE / 545RFE, A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE, TH400 - Dana / Spicer
$14.47 - $14.47
$14.47
$14.47 - $14.47
$14.47

Metal Clad Seal 713A076 - Fits 45RFE / 545RFE, A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE, TH400

Metal Clad Seal for 45RFE / 545RFE, A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE and TH400 automatic transmissions. Part # 713A076 from Dana...

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$14.47 - $14.47
$14.47
$14.47 - $14.47
$14.47
AXLE SEAL, DANA44/ DANA60, OE 714A076 - Fits A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE, TH400 - Dana / Spicer
$17.12 - $17.12
$17.12
$17.12 - $17.12
$17.12

AXLE SEAL, DANA44/ DANA60, OE 714A076 - Fits A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE, TH400

AXLE SEAL, DANA44/ DANA60, OE for A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE and TH400 automatic transmissions. Part # 714A076 from Dana /...

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$17.12 - $17.12
$17.12
$17.12 - $17.12
$17.12
Metal Clad Seal 722B070 - Fits A604, 45RFE / 545RFE, A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE - view 1 of 2
$1.43 - $1.43
$1.43
$1.43 - $1.43
$1.43

Metal Clad Seal 722B070 - Fits A604, 45RFE / 545RFE, A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE, TH400, ZF 8HP / 845RE

Metal Clad Seal for A604, 45RFE / 545RFE, A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, 42RLE, TH400 and ZF 8HP / 845RE automatic transmissions. Pa...

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$1.43 - $1.43
$1.43
$1.43 - $1.43
$1.43
Transmission Oil Pan Gasket FEL-TOS18667 - Fits A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, TH400 - FEL-PRO automatic
$9.25 - $9.25
$9.25
$9.25 - $9.25
$9.25

Transmission Oil Pan Gasket FEL-TOS18667 - Fits A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH, TH400

Transmission Oil Pan Gasket for A727, 46RE / 47RE / 48RE, A904 / 30RH / 32RH and TH400 automatic transmissions. Part # FEL-TOS18667 from FEL-PRO. ...

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$9.25 - $9.25
$9.25
$9.25 - $9.25
$9.25
Mount MT2330 - Fits A727, A904 / 30RH / 32RH, TH400 - Marmon Ride Control automatic transmission engine mounts
$9.59 - $9.59
$9.59
$9.59 - $9.59
$9.59

Mount MT2330 - Fits A727, A904 / 30RH / 32RH, TH400

Mount for A727, A904 / 30RH / 32RH and TH400 automatic transmissions. Part # MT2330 from Marmon Ride Control. Engine; OEM Replacement; Interlock. ...

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$9.59 - $9.59
$9.59
$9.59 - $9.59
$9.59

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