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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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Allison 1000 / 2000 Valve Kit S121741QAK-OS - Sonnax automatic transmission valves & components - view 1 of 2
$42.29 - $42.29
$42.29
$42.29 - $42.29
$42.29

Allison 1000 / 2000 Valve Kit S121741QAK-OS

Valve Kit for 1000 automatic transmissions. Part # S121741QAK-OS from Sonnax. TCC Control, Oversized, Required T-F-37000-TL37, Includes Valve, Spri...

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$42.29 - $42.29
$42.29
$42.29 - $42.29
$42.29
Allison 1000 / 2000 Control Main Relief Valve, Oversize S121741LB-1 - Sonnax automatic transmission valves & components
$87.94 - $87.94
$87.94
$87.94 - $87.94
$87.94

Allison 1000 / 2000 Control Main Relief Valve, Oversize S121741LB-1

Control Main Relief Valve, Oversize for 1000, 1000/M74 automatic transmissions. Part # S121741LB-1 from Sonnax. Part #: S121741LB-1 Brand: Sonnax...

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$87.94 - $87.94
$87.94
$87.94 - $87.94
$87.94
Allison 1000 / 2000 Manual Valve Pin S121741-P - Sonnax automatic transmission valves & components
$45.60 - $45.60
$45.60
$45.60 - $45.60
$45.60

Allison 1000 / 2000 Manual Valve Pin S121741-P

Manual Valve Pin for 1000, 1000/M74 automatic transmissions. Part # S121741-P from Sonnax. Manual Valve Selector Pin. Part #: S121741-P Brand: So...

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$45.60 - $45.60
$45.60
$45.60 - $45.60
$45.60
Allison 1000 / 2000 Manual Valve Kit, Oversize S121741MK-OS - Sonnax automatic transmission valves & components
$120.65 - $120.65
$120.65
$120.65 - $120.65
$120.65

Allison 1000 / 2000 Manual Valve Kit, Oversize S121741MK-OS

Manual Valve Kit, Oversize for 1000, 1000/M74 automatic transmissions. Part # S121741MK-OS from Sonnax. Part #: S121741MK-OS Brand: Sonnax Part ...

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$120.65 - $120.65
$120.65
$120.65 - $120.65
$120.65
Allison 1000 / 2000 Valve Kit S121741HK - Sonnax automatic transmission valves & components - view 1 of 2
$55.97 - $55.97
$55.97
$55.97 - $55.97
$55.97

Allison 1000 / 2000 Valve Kit S121741HK

Valve Kit for 1000 automatic transmissions. Part # S121741HK from Sonnax. Exhaust Backfill. Part #: S121741HK Brand: Sonnax Part type: Valves &a...

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$55.97 - $55.97
$55.97
$55.97 - $55.97
$55.97
Allison 1000 / 2000 Valve Kit S121741GAK-OS - Sonnax automatic transmission valves & components - view 1 of 2
$39.03 - $39.03
$39.03
$39.03 - $39.03
$39.03

Allison 1000 / 2000 Valve Kit S121741GAK-OS

Valve Kit for 1000 automatic transmissions. Part # S121741GAK-OS from Sonnax. PCV, Oversized, Required T-F-37000-TL35, Includes Valve, Spring. Par...

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$39.03 - $39.03
$39.03
$39.03 - $39.03
$39.03
Allison 1000 / 2000 Valve Kit S121741H-1 - Sonnax automatic transmission valves & components - view 1 of 2
$59.39 - $59.39
$59.39
$59.39 - $59.39
$59.39

Allison 1000 / 2000 Valve Kit S121741H-1

Valve Kit for 1000, 1000/M74 automatic transmissions. Part # S121741H-1 from Sonnax. Valve & Seal, C1. Part #: S121741H-1 Brand: Sonnax Part...

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$59.39 - $59.39
$59.39
$59.39 - $59.39
$59.39
Allison 1000 / 2000 Gain Valve Kit, Oversize S121741BK-OS - Sonnax automatic transmission valves & components
$81.83 - $81.83
$81.83
$81.83 - $81.83
$81.83

Allison 1000 / 2000 Gain Valve Kit, Oversize S121741BK-OS

Gain Valve Kit, Oversize for 1000, 1000/M74 automatic transmissions. Part # S121741BK-OS from Sonnax. Part #: S121741BK-OS Brand: Sonnax Part ty...

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$81.83 - $81.83
$81.83
$81.83 - $81.83
$81.83
Allison 1000 / 2000 Manual, New Gently Oversized Valve Seals Existing Bore Without Reaming A121741M - TransJel automatic
$59.93 - $59.93
$59.93
$59.93 - $59.93
$59.93

Allison 1000 / 2000 Manual, New Gently Oversized Valve Seals Existing Bore Without Reaming A121741M

Manual, New Gently Oversized Valve Seals Existing Bore Without Reaming for 1000 automatic transmissions. Part # A121741M from TransJel. Part #: A1...

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$59.93 - $59.93
$59.93
$59.93 - $59.93
$59.93
Allison 1000 / 2000 F-Trim Valve End Sleeve S121741C-2 - Sonnax automatic transmission valves & components - view 1 of 2
$26.95 - $26.95
$26.95
$26.95 - $26.95
$26.95

Allison 1000 / 2000 F-Trim Valve End Sleeve S121741C-2

F-Trim Valve End Sleeve for 1000, 1000/M74 automatic transmissions. Part # S121741C-2 from Sonnax. Part #: S121741C-2 Brand: Sonnax Part type: V...

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$26.95 - $26.95
$26.95
$26.95 - $26.95
$26.95
Allison 1000 / 2000 Input Shaft SC121670HD - SunCoast Converters automatic transmission shafts - view 1 of 3
$1,880.56 - $1,880.56
$1,880.56
$1,880.56 - $1,880.56
$1,880.56

Allison 1000 / 2000 Input Shaft SC121670HD

Input Shaft for 1000, 1000/M74 automatic transmissions. Part # SC121670HD from SunCoast Converters. 9310 Vacumelt Billet Steel, Stage 1, Stage 2, S...

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$1,880.56 - $1,880.56
$1,880.56
$1,880.56 - $1,880.56
$1,880.56
Allison 1000 / 2000 Input Shaft RV121670HD - RevMax automatic transmission shafts - view 1 of 3
$986.85 - $986.85
$986.85
$986.85 - $986.85
$986.85

Allison 1000 / 2000 Input Shaft RV121670HD

Input Shaft for 1000, 1000/M74 automatic transmissions. Part # RV121670HD from RevMax. Billet Steel, 50% stronger than the original factory product...

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$986.85 - $986.85
$986.85
$986.85 - $986.85
$986.85
Allison 1000 / 2000 Input Shaft A121670HD - TransJel automatic transmission shafts
$1,499.18 - $1,499.18
$1,499.18
$1,499.18 - $1,499.18
$1,499.18

Allison 1000 / 2000 Input Shaft A121670HD

Input Shaft for 1000, 1000/M74 automatic transmissions. Part # A121670HD from TransJel. 44mm Diameter, T1 Bearing, Upgraded Steel material, use wit...

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$1,499.18 - $1,499.18
$1,499.18
$1,499.18 - $1,499.18
$1,499.18
Used Allison 1000 / 2000 With Gears U121582B - automatic transmission planetaries
$791.15 - $791.15
$791.15
$791.15 - $791.15
$791.15

Used Allison 1000 / 2000 With Gears U121582B

Used With Gears for 1000, 1000/M74 automatic transmissions. Part # U121582B from Quality Used Parts. 48mm ID T5 Bearing Design; Hi Helix, P2 Planet...

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$791.15 - $791.15
$791.15
$791.15 - $791.15
$791.15
Used Allison 1000 / 2000 Sun Gear U121610B - automatic transmission sun gears
$120.44 - $120.44
$120.44
$120.44 - $120.44
$120.44

Used Allison 1000 / 2000 Sun Gear U121610B

Used Sun Gear for 1000, 1000/M74 automatic transmissions. Part # U121610B from Quality Used Parts. P1 Planet, Front, 61 Teeth, 26 Lugs (2nd Design)...

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$120.44 - $120.44
$120.44
$120.44 - $120.44
$120.44
Used Allison 1000 / 2000 Planet Kit U121583 - automatic transmission planetaries
$548.78 - $548.78
$548.78
$548.78 - $548.78
$548.78

Used Allison 1000 / 2000 Planet Kit U121583

Used Planet Kit for 1000, 1000/M74 automatic transmissions. Part # U121583 from Quality Used Parts. 49 Teeth P3 Sun Gear, Rear Planet with Park Lug...

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$548.78 - $548.78
$548.78
$548.78 - $548.78
$548.78
Allison 1000 / 2000 Planet A121582 - TransJel automatic transmission planetaries
$1,571.35 - $1,571.35
$1,571.35
$1,571.35 - $1,571.35
$1,571.35

Allison 1000 / 2000 Planet A121582

Planet for 1000, 1000/M74 automatic transmissions. Part # A121582 from TransJel. P2/Center, 52mm ID T5 Bearing Design. Part #: A121582 Brand: Tra...

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$1,571.35 - $1,571.35
$1,571.35
$1,571.35 - $1,571.35
$1,571.35
Used Allison 1000 / 2000 Hub U121574A - automatic transmission ring gears & hubs
$148.28 - $148.28
$148.28
$148.28 - $148.28
$148.28

Used Allison 1000 / 2000 Hub U121574A

Used Hub for 1000, 1000/M74 automatic transmissions. Part # U121574A from Quality Used Parts. C1 Clutch; Excludes T1 Bearing Step. Part #: U121574...

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$148.28 - $148.28
$148.28
$148.28 - $148.28
$148.28
Allison 1000 / 2000 300m Heat Treated Billet Steel C2 Clutch Hub, Specially Designed For Use with Scr121610ahd Or
$1,867.19 - $1,867.19
$1,867.19
$1,867.19 - $1,867.19
$1,867.19

Allison 1000 / 2000 300m Heat Treated Billet Steel C2 Clutch Hub, Specially Designed For Use with Scr121610ahd Or Scr121610bhd Sun Gears, Stage 1, Stage 2, Diesel Performance SC121572SHD

300m Heat Treated Billet Steel C2 Clutch Hub, Specially Designed For Use with Scr121610ahd Or Scr121610bhd Sun Gears, Stage 1, Stage 2, Diesel Perf...

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$1,867.19 - $1,867.19
$1,867.19
$1,867.19 - $1,867.19
$1,867.19
Allison 1000 / 2000 Friction R121104 - Raybestos Powertrain automatic transmission friction plates
$13.87 - $13.87
$13.87
$13.87 - $13.87
$13.87

Allison 1000 / 2000 Friction R121104

Friction for 1000, 1000/M74 automatic transmissions. Part # R121104 from Raybestos Powertrain. C3/C4. Part #: R121104 Brand: Raybestos Powertrain...

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$13.87 - $13.87
$13.87
$13.87 - $13.87
$13.87
Allison 1000 / 2000 Friction A121104 - Alto Products Corp automatic transmission friction plates
$20.66 - $20.66
$20.66
$20.66 - $20.66
$20.66

Allison 1000 / 2000 Friction A121104

Friction for 1000, 1000/M74 automatic transmissions. Part # A121104 from Alto Products Corp. C3; .097" Thick, 117 Teeth, 8.670" Outer Diameter. Pa...

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$20.66 - $20.66
$20.66
$20.66 - $20.66
$20.66
Allison 1000 / 2000 Friction 121104A - Dartco automatic transmission friction plates
$79.32 - $79.32
$79.32
$79.32 - $79.32
$79.32

Allison 1000 / 2000 Friction 121104A

Friction for 1000 automatic transmissions. Part # 121104A from Dartco. C3/C4, Stage 1, Stage 2, Stage 3, Diesel Performance, .072 Thickness, Waved....

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$79.32 - $79.32
$79.32
$79.32 - $79.32
$79.32
Allison 1000 / 2000 Raybestos TorqKit R121104AHPK - Raybestos Powertrain automatic transmission friction modules
$329.02 - $329.02
$329.02
$329.02 - $329.02
$329.02

Allison 1000 / 2000 Raybestos TorqKit R121104AHPK

Raybestos TorqKit for 1000, 1000/M74 automatic transmissions. Part # R121104AHPK from Raybestos Powertrain. C4, Red Eagle Frictions, Kolene Steels....

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$329.02 - $329.02
$329.02
$329.02 - $329.02
$329.02
Allison 1000 / 2000 Power Pack A121104BHPK - Alto Products Corp automatic transmission friction modules
$434.67 - $434.67
$434.67
$434.67 - $434.67
$434.67

Allison 1000 / 2000 Power Pack A121104BHPK

Power Pack for 1000, 1000/M74 automatic transmissions. Part # A121104BHPK from Alto Products Corp. Alto G3 C4 Frictions and kolene steel Powerpack,...

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$434.67 - $434.67
$434.67
$434.67 - $434.67
$434.67

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