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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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Original price $53.45 - Original price $53.45
Original price
$53.45
$53.45 - $53.45
Current price $53.45

TH350 Oil Pan A44765B

Oil Pan for THM350, THM350C automatic transmissions. Part # A44765B from TransJel. Steel, 2-1/2" Deep, with Drain Plug, Tough Powder Coated Finishe...

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Original price $53.45 - Original price $53.45
Original price
$53.45
$53.45 - $53.45
Current price $53.45
Original price $216.17 - Original price $216.17
Original price
$216.17
$216.17 - $216.17
Current price $216.17

TH350 Boost Valve and Sleeve S44741FA

Boost Valve and Sleeve for THM350, THM350C, THM250C/M31 automatic transmissions. Part # S44741FA from Sonnax. Progressive Line Pressure Increase. ...

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Original price $216.17 - Original price $216.17
Original price
$216.17
$216.17 - $216.17
Current price $216.17
Original price $6.53 - Original price $6.53
Original price
$6.53
$6.53 - $6.53
Current price $6.53

TH350 Governor Gear Kit A44684

Governor Gear Kit for THM350, THM350C, THM250C/M31 automatic transmissions. Part # A44684 from Sonnax. 11 Teeth, with 2 Nails and Roll Pin. Part #...

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Original price $6.53 - Original price $6.53
Original price
$6.53
$6.53 - $6.53
Current price $6.53
Original price $53.47 - Original price $53.47
Original price
$53.47
$53.47 - $53.47
Current price $53.47

TH350 Governor R44680

Governor for THM350, THM350C, THM250C/M31 automatic transmissions. Part # R44680 from Transmaxx. with New Gear. Part #: R44680 Brand: Transmaxx ...

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Original price $53.47 - Original price $53.47
Original price
$53.47
$53.47 - $53.47
Current price $53.47
Original price $312.98 - Original price $312.98
Original price
$312.98
$312.98 - $312.98
Current price $312.98

Used TH350 Main Case U44760

Used Main Case for THM350, THM350C automatic transmissions. Part # U44760 from Quality Used Parts. Part #: U44760 Brand: Quality Used Parts Part...

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Original price $312.98 - Original price $312.98
Original price
$312.98
$312.98 - $312.98
Current price $312.98
Original price $108.69 - Original price $108.69
Original price
$108.69
$108.69 - $108.69
Current price $108.69

Used TH350 Output Shaft U44678C

Used Output Shaft for THM350, THM350C automatic transmissions. Part # U44678C from Quality Used Parts. 9.675" Long. Part #: U44678C Brand: Qualit...

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Original price $108.69 - Original price $108.69
Original price
$108.69
$108.69 - $108.69
Current price $108.69
Original price $370.63 - Original price $370.63
Original price
$370.63
$370.63 - $370.63
Current price $370.63

TH350 Governor A44680

Governor for THM350, THM350C, THM250C/M31 automatic transmissions. Part # A44680 from Sonnax. with Gear. Part #: A44680 Brand: Sonnax Part type:...

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Original price $370.63 - Original price $370.63
Original price
$370.63
$370.63 - $370.63
Current price $370.63
Original price $12.56 - Original price $12.56
Original price
$12.56
$12.56 - $12.56
Current price $12.56

Used TH350 Inner Race U44664

Used Inner Race for THM350, THM350C, THM250C/M31 automatic transmissions. Part # U44664 from Quality Used Parts. Low/ Reverse Sprag. Part #: U4466...

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Original price $12.56 - Original price $12.56
Original price
$12.56
$12.56 - $12.56
Current price $12.56
Original price $28.69 - Original price $28.69
Original price
$28.69
$28.69 - $28.69
Current price $28.69

Used TH350 Output Shaft U44678

Used Output Shaft for THM350, THM350C, THM250C/M31 automatic transmissions. Part # U44678 from Quality Used Parts. 15.500" Long. Part #: U44678 B...

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Original price $28.69 - Original price $28.69
Original price
$28.69
$28.69 - $28.69
Current price $28.69
Original price $39.16 - Original price $39.16
Original price
$39.16
$39.16 - $39.16
Current price $39.16

Used TH350 Input Shaft U44670A

Used Input Shaft for THM350, THM350C automatic transmissions. Part # U44670A from Quality Used Parts. Bushing Type. Part #: U44670A Brand: Qualit...

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Original price $39.16 - Original price $39.16
Original price
$39.16
$39.16 - $39.16
Current price $39.16
Original price $118.29 - Original price $118.29
Original price
$118.29
$118.29 - $118.29
Current price $118.29

TH350 Race S44663HD

Race for THM350, THM350C, THM250C/M31 automatic transmissions. Part # S44663HD from Sonnax. Outer, Intermediate Sprag, Heavy Duty. Part #: S44663H...

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Original price $118.29 - Original price $118.29
Original price
$118.29
$118.29 - $118.29
Current price $118.29
Original price $95.51 - Original price $95.51
Original price
$95.51
$95.51 - $95.51
Current price $95.51

TH350 Race A44663HD

Race for THM350, THM350C, THM250C/M31 automatic transmissions. Part # A44663HD from TransJel. Outer, Intermediate Sprag, Heavy Duty. Part #: A4466...

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Original price $95.51 - Original price $95.51
Original price
$95.51
$95.51 - $95.51
Current price $95.51
Original price $4.37 - Original price $4.37
Original price
$4.37
$4.37 - $4.37
Current price $4.37

Used TH350 Sprag U44663

Used Sprag for THM350, THM350C automatic transmissions. Part # U44663 from Quality Used Parts. Intermediate, Original Equipment Type. Part #: U446...

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Original price $4.37 - Original price $4.37
Original price
$4.37
$4.37 - $4.37
Current price $4.37
Original price $29.33 - Original price $29.33
Original price
$29.33
$29.33 - $29.33
Current price $29.33

TH350 Friction R44114HP

Friction for THM350, THM350C, Powerglide automatic transmissions. Part # R44114HP from Raybestos Powertrain. Low-Reverse, High Performance. Part #...

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Original price $29.33 - Original price $29.33
Original price
$29.33
$29.33 - $29.33
Current price $29.33
Original price $18.62 - Original price $18.62
Original price
$18.62
$18.62 - $18.62
Current price $18.62

TH350 Friction A44114HP

Friction for THM350, THM350C, Powerglide automatic transmissions. Part # A44114HP from Alto Products Corp. Low-Reverse, High Performance, Red; .098...

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Original price $18.62 - Original price $18.62
Original price
$18.62
$18.62 - $18.62
Current price $18.62
Original price $4.19 - Original price $4.19
Original price
$4.19
$4.19 - $4.19
Current price $4.19

TH350 Friction T44114

Friction for THM350, THM350C, Powerglide automatic transmissions. Part # T44114 from TransJel. Low-Reverse, .098" Thick, 25 Teeth. Part #: T44114 ...

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Original price $4.19 - Original price $4.19
Original price
$4.19
$4.19 - $4.19
Current price $4.19
Original price $79.44 - Original price $79.44
Original price
$79.44
$79.44 - $79.44
Current price $79.44

TH350 Friction Module T44119

Friction Module for THM350, THM350C automatic transmissions. Part # T44119 from TransJel. Part #: T44119 Brand: TransJel Part type: Friction Mod...

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Original price $79.44 - Original price $79.44
Original price
$79.44
$79.44 - $79.44
Current price $79.44
Original price $245.37 - Original price $245.37
Original price
$245.37
$245.37 - $245.37
Current price $245.37

TH350 Friction Module A44119HP

Friction Module for THM350, THM350C automatic transmissions. Part # A44119HP from Aftermarket. Red Eagle. Part #: A44119HP Brand: Aftermarket Pa...

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Original price $245.37 - Original price $245.37
Original price
$245.37
$245.37 - $245.37
Current price $245.37
Original price $127.05 - Original price $127.05
Original price
$127.05
$127.05 - $127.05
Current price $127.05

TH350 Friction Module 44119

Friction Module for THM350, THM350C automatic transmissions. Part # 44119 from Aftermarket. Part #: 44119 Brand: Aftermarket Part type: Friction...

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Original price $127.05 - Original price $127.05
Original price
$127.05
$127.05 - $127.05
Current price $127.05
Original price $17.34 - Original price $17.34
Original price
$17.34
$17.34 - $17.34
Current price $17.34

TH350 Steel 44124X

Steel for THM350, THM350C automatic transmissions. Part # 44124X from Alto Products Corp. Intermediate, Oversized; .089" Thick, 7 Teeth, 6.175" Inn...

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Original price $17.34 - Original price $17.34
Original price
$17.34
$17.34 - $17.34
Current price $17.34
Original price $10.53 - Original price $10.53
Original price
$10.53
$10.53 - $10.53
Current price $10.53

TH350 Steel 44124K

Steel for THM350, THM350C automatic transmissions. Part # 44124K from TransJel. Intermediate, Kolene; .068" Thick, 7 Teeth, 6.175" Inner Diameter. ...

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Original price $10.53 - Original price $10.53
Original price
$10.53
$10.53 - $10.53
Current price $10.53
Original price $7.71 - Original price $7.71
Original price
$7.71
$7.71 - $7.71
Current price $7.71

TH350 Steel 44124

Steel for THM350, THM350C automatic transmissions. Part # 44124 from TransJel. Intermediate; .068" Thick, 7 Teeth, 6.175" Inner Diameter. Part #: ...

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Original price $7.71 - Original price $7.71
Original price
$7.71
$7.71 - $7.71
Current price $7.71
Original price $3.87 - Original price $3.87
Original price
$3.87
$3.87 - $3.87
Current price $3.87

TH350 Steel 44126

Steel for THM350, THM350C, THM250C/M31 automatic transmissions. Part # 44126 from TransJel. Forward & Direct; .068" Thick, 12 Teeth, 4.863" Inn...

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Original price $3.87 - Original price $3.87
Original price
$3.87
$3.87 - $3.87
Current price $3.87
Original price $15.25 - Original price $15.25
Original price
$15.25
$15.25 - $15.25
Current price $15.25

TH350 Steel 44126K

Steel for THM350, THM350C, THM250C/M31 automatic transmissions. Part # 44126K from Alto Products Corp. Forward & Direct, Kolene; .068" Thick, 1...

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Original price $15.25 - Original price $15.25
Original price
$15.25
$15.25 - $15.25
Current price $15.25

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