Skip to content
Shop / GM / Chevy Transmission Parts

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...

Build your complete
transmission kit

Shop Tiger Jel assembly lube and friction modifier for your next build.

Shop Best Sellers
Tiger Jel Transmission Assembly Lube GoldTiger Jel High-Strength Friction Modifier automatic transmission additive, 4 fl oz bottle

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.

Filters

Allison 1000 / 2000 Sensor A131438 - TransJel automatic transmission switches & sensors
$342.99 - $342.99
$342.99
$342.99 - $342.99
$342.99

Allison 1000 / 2000 Sensor A131438

Sensor for 1000, 1000/M74 automatic transmissions. Part # A131438 from TransJel. Turbine/Input, Located in Valve Body. Part #: A131438 Brand: Tra...

View full details
$342.99 - $342.99
$342.99
$342.99 - $342.99
$342.99
Allison 1000 / 2000 Sensor 121438 - Rostra Powertrain automatic transmission switches & sensors - view 1 of 3
$49.07 - $49.07
$49.07
$49.07 - $49.07
$49.07

Allison 1000 / 2000 Sensor 121438

Sensor for 1000, 1000/M74 automatic transmissions. Part # 121438 from Rostra Powertrain. Input, Output & Turbine. Part #: 121438 Brand: Rostr...

View full details
$49.07 - $49.07
$49.07
$49.07 - $49.07
$49.07
Allison 1000 / 2000 Neutral Start/Backup - Manual Lever Position Switch D121410 - ACDelco automatic transmission switches &
$322.58 - $322.58
$322.58
$322.58 - $322.58
$322.58

Allison 1000 / 2000 Neutral Start/Backup - Manual Lever Position Switch D121410

Neutral Start/Backup - Manual Lever Position Switch for 1000, 1000/M74 automatic transmissions. Part # D121410 from ACDelco. MLPS; 2 Connector. Pa...

View full details
$322.58 - $322.58
$322.58
$322.58 - $322.58
$322.58
Allison 1000 / 2000 Neutral Start/Backup - Manual Lever Position Switch A121410 - TransJel automatic - view 1 of 4
$82.98 - $82.98
$82.98
$82.98 - $82.98
$82.98

Allison 1000 / 2000 Neutral Start/Backup - Manual Lever Position Switch A121410

Neutral Start/Backup - Manual Lever Position Switch for 1000, 1000/M74 automatic transmissions. Part # A121410 from TransJel. MLPS; 2 Connector. P...

View full details
$82.98 - $82.98
$82.98
$82.98 - $82.98
$82.98
Allison 1000 / 2000 Neutral Start/Backup - Manual Lever Position Switch D121410A - ACDelco automatic transmission switches &
$161.94 - $161.94
$161.94
$161.94 - $161.94
$161.94

Allison 1000 / 2000 Neutral Start/Backup - Manual Lever Position Switch D121410A

Neutral Start/Backup - Manual Lever Position Switch for 1000, 1000/M74 automatic transmissions. Part # D121410A from ACDelco. MLPS; 1 Connector. P...

View full details
$161.94 - $161.94
$161.94
$161.94 - $161.94
$161.94
Allison 1000 / 2000 Internal Mode Switch D121410B - Dartco automatic transmission switches & sensors - view 1 of 3
$561.97 - $561.97
$561.97
$561.97 - $561.97
$561.97

Allison 1000 / 2000 Internal Mode Switch D121410B

Internal Mode Switch for 1000, 1000/M74 automatic transmissions. Part # D121410B from Dartco. Manual Lever Position Switch; MLPS; 1 Connector. Par...

View full details
$561.97 - $561.97
$561.97
$561.97 - $561.97
$561.97
Allison 1000 / 2000 Neutral Safety Switch A121410B - TransJel automatic transmission switches & sensors
$134.74 - $134.74
$134.74
$134.74 - $134.74
$134.74

Allison 1000 / 2000 Neutral Safety Switch A121410B

Neutral Safety Switch for 1000, 1000/M74 automatic transmissions. Part # A121410B from TransJel. Internal Mode. Part #: A121410B Brand: TransJel ...

View full details
$134.74 - $134.74
$134.74
$134.74 - $134.74
$134.74
Allison 1000 / 2000 Switch Assembly A121411A - TransJel automatic transmission switches & sensors
$93.18 - $93.18
$93.18
$93.18 - $93.18
$93.18

Allison 1000 / 2000 Switch Assembly A121411A

Switch Assembly for 1000, 1000/M74 automatic transmissions. Part # A121411A from TransJel. Pressure Manifold; 4 Switch; Replaces the 6 Switch. Par...

View full details
$93.18 - $93.18
$93.18
$93.18 - $93.18
$93.18
Allison 1000 / 2000 Switch Assembly D121411A - GM automatic transmission switches & sensors - view 1 of 4
$351.46 - $351.46
$351.46
$351.46 - $351.46
$351.46

Allison 1000 / 2000 Switch Assembly D121411A

Switch Assembly for 1000, 1000/M74 automatic transmissions. Part # D121411A from GM. Pressure Manifold; 4 Switch; Replaces the 6 Switch. Part #: D...

View full details
$351.46 - $351.46
$351.46
$351.46 - $351.46
$351.46
6T40 / 6T45 Internal Mode Switch D144410 - GM automatic transmission switches & sensors - view 1 of 3
$173.56 - $173.56
$173.56
$173.56 - $173.56
$173.56

6T40 / 6T45 Internal Mode Switch D144410

Internal Mode Switch for 6T35, 6T40, 6T45, 6T50 automatic transmissions. Part # D144410 from GM. IMS. Part #: D144410 Brand: GM Part type: Switc...

View full details
$173.56 - $173.56
$173.56
$173.56 - $173.56
$173.56
6T40 / 6T45 Sensor D144436 - GM automatic transmission switches & sensors
$50.79 - $50.79
$50.79
$50.79 - $50.79
$50.79

6T40 / 6T45 Sensor D144436

Sensor for 6T35, 6T40, 6T45, 6T50 automatic transmissions. Part # D144436 from GM. Output Speed; OSS. Part #: D144436 Brand: GM Part type: Switc...

View full details
$50.79 - $50.79
$50.79
$50.79 - $50.79
$50.79
6T40 / 6T45 Sensor D144438 - GM automatic transmission switches & sensors
$67.36 - $67.36
$67.36
$67.36 - $67.36
$67.36

6T40 / 6T45 Sensor D144438

Sensor for 6T30, 6T35, 6T40, 6T45 automatic transmissions. Part # D144438 from GM. Input Speed; ISS. Part #: D144438 Brand: GM Part type: Switch...

View full details
$67.36 - $67.36
$67.36
$67.36 - $67.36
$67.36
6T40 / 6T45 Pressure Switch Rebuild Kit S144442RK - Sonnax automatic transmission switches & sensors
$24.65 - $24.65
$24.65
$24.65 - $24.65
$24.65

6T40 / 6T45 Pressure Switch Rebuild Kit S144442RK

Pressure Switch Rebuild Kit for 6T40, 6T45, 6T50 automatic transmissions. Part # S144442RK from Sonnax. TEHCM Repair Kit, Includes Set of Seals, Di...

View full details
$24.65 - $24.65
$24.65
$24.65 - $24.65
$24.65
6T40 / 6T45 Tehcm Repair Kit T144442RK - TransGo Performance automatic transmission switches & sensors
$18.03 - $18.03
$18.03
$18.03 - $18.03
$18.03

6T40 / 6T45 Tehcm Repair Kit T144442RK

Tehcm Repair Kit for 6T40, 6T45, 6T50 automatic transmissions. Part # T144442RK from TransGo Performance. Generation 1, Includes (4) Pressure Switc...

View full details
$18.03 - $18.03
$18.03
$18.03 - $18.03
$18.03
6L80 Automatic Transmission Speed Sensor SS11813 - Delphi automatic transmission - view 1 of 4
$45.62 - $45.62
$45.62
$45.62 - $45.62
$45.62

6L80 Automatic Transmission Speed Sensor SS11813

Automatic Transmission Speed Sensor for 6L80, 4L30-E, 5L40-E, 5HP-24 automatic transmissions. Part # SS11813 from Delphi. Part #: SS11813 Brand: ...

View full details
$45.62 - $45.62
$45.62
$45.62 - $45.62
$45.62
Automatic Transmission Speed Sensor SS10309 - Fits 4L60E, 4L60 / 700R4, 4L80E, TH400 - Delphi automatic - view 1 of 3
$50.16 - $50.16
$50.16
$50.16 - $50.16
$50.16

Automatic Transmission Speed Sensor SS10309 - Fits 4L60E, 4L60 / 700R4, 4L80E, TH400, Allison 1000 / 2000

Automatic Transmission Speed Sensor for 4L60E, 4L60 / 700R4, 4L80E, TH400 and Allison 1000 / 2000 automatic transmissions. Part # SS10309 from Delp...

View full details
$50.16 - $50.16
$50.16
$50.16 - $50.16
$50.16
8L90 Wire Harness D154446FS - GM automatic transmission
$196.98 - $196.98
$196.98
$196.98 - $196.98
$196.98

8L90 Wire Harness D154446FS

Wire Harness for 8L90, 8L45 automatic transmissions. Part # D154446FS from GM. Passthrough Connector, (For Use with 10 Pin or 4 Pin Internal Mode S...

View full details
$196.98 - $196.98
$196.98
$196.98 - $196.98
$196.98
8L90 Internal Wire Harness D154446FA - GM automatic transmission
$134.73 - $134.73
$134.73
$134.73 - $134.73
$134.73

8L90 Internal Wire Harness D154446FA

Internal Wire Harness for 8L90, 8L45 automatic transmissions. Part # D154446FA from GM. Internal, (For Use with 4 Pin Internal Mode Switch with or ...

View full details
$134.73 - $134.73
$134.73
$134.73 - $134.73
$134.73
8L90 Internal Wire Harness D154446F - GM automatic transmission
$129.22 - $129.22
$129.22
$129.22 - $129.22
$129.22

8L90 Internal Wire Harness D154446F

Internal Wire Harness for 8L90, 8L45 automatic transmissions. Part # D154446F from GM. Internal, (For Use with 10 Pin Internal Mode Switch with or ...

View full details
$129.22 - $129.22
$129.22
$129.22 - $129.22
$129.22
4L60E Wire Harness 74446K - Rostra Powertrain automatic transmission - view 1 of 4
$106.41 - $106.41
$106.41
$106.41 - $106.41
$106.41

Wire Harness 74446K - Fits 4L60E, 4L80E, Allison 1000 / 2000

Wire Harness for 4L60E, 4L80E and Allison 1000 / 2000 automatic transmissions. Part # 74446K from Rostra Powertrain. Park/Neutral Switch Harness; I...

View full details
$106.41 - $106.41
$106.41
$106.41 - $106.41
$106.41
4L60E Wire Harness 74445GK - Rostra Powertrain automatic transmission - view 1 of 4
$65.48 - $65.48
$65.48
$65.48 - $65.48
$65.48

4L60E Wire Harness 74445GK

Wire Harness for 4L60E automatic transmissions. Part # 74445GK from Rostra Powertrain. External; 13 Wire; Plugs into Connector. Part #: 74445GK B...

View full details
$65.48 - $65.48
$65.48
$65.48 - $65.48
$65.48
6T70 / 6T75 Wire Harness D14446A - GM automatic transmission - view 1 of 4
$616.92 - $616.92
$616.92
$616.92 - $616.92
$616.92

6T70 / 6T75 Wire Harness D14446A

Wire Harness for 6T70, 5T45MI, 4T45-E, 4T40-E automatic transmissions. Part # D14446A from GM. Internal; 13 Prong Black Round Connector. Part #: D...

View full details
$616.92 - $616.92
$616.92
$616.92 - $616.92
$616.92
6T70 / 6T75 External Wire Harness Repair Kit 124445K - Rostra Powertrain automatic transmission - view 1 of 2
$128.46 - $128.46
$128.46
$128.46 - $128.46
$128.46

6T70 / 6T75 External Wire Harness Repair Kit 124445K

External Wire Harness Repair Kit for 6T70, 6T75, 6F35, 6F50 automatic transmissions. Part # 124445K from Rostra Powertrain. External; 20 Wire; Plug...

View full details
$128.46 - $128.46
$128.46
$128.46 - $128.46
$128.46
Allison 1000 / 2000 Wire Harness D121446F - Dartco automatic transmission
$476.16 - $476.16
$476.16
$476.16 - $476.16
$476.16

Allison 1000 / 2000 Wire Harness D121446F

Wire Harness for 1000 automatic transmissions. Part # D121446F from Dartco. Internal; 10 Connectors; with RELS or ECLR; Reduced Engine Load at Stop...

View full details
$476.16 - $476.16
$476.16
$476.16 - $476.16
$476.16

Shop by Category

View All
Assembly LubeAssembly Lube › Transmission AdditivesTransmission Additives › Case PacksCase Packs ›

Fast Shipping

U.S. orders

Secure Checkout

SSL encrypted payments

Same-day shipping

In-stock orders before 3 PM Central · Mon-Fri

Can't find it? Text us.

Not listed doesn't mean not available.

615-855-7805