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8L90 Transmission Parts

Shop GM 8L90 and 8L80 8-speed automatic transmission parts. We carry overhaul and master rebuild kits, friction and steel clutch plates, seals and gaskets, solenoids, filters, bushings, valve body ...

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8L90 Transmission Parts

Shop GM 8L90 and 8L80 8-speed automatic transmission parts. We carry overhaul and master rebuild kits, friction and steel clutch plates, seals and gaskets, solenoids, filters, bushings, valve body parts, torque converters and hard parts.

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

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8L90 Actuator Feed Limit, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore A154741H - TransJel
$40.05 - $40.05
$40.05
$40.05 - $40.05
$40.05

8L90 Actuator Feed Limit, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore A154741H

Actuator Feed Limit, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore for 8L90, 8L45 automatic transmissions. Part # A154741H ...

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$40.05 - $40.05
$40.05
$40.05 - $40.05
$40.05
8L90 Input Shaft D154670 - GM automatic transmission shafts
$132.64 - $132.64
$132.64
$132.64 - $132.64
$132.64

8L90 Input Shaft D154670

Input Shaft for 8L90 automatic transmissions. Part # D154670 from GM. 36 Spline, No Pilot. Part #: D154670 Brand: GM Part type: Shafts Fits tra...

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$132.64 - $132.64
$132.64
$132.64 - $132.64
$132.64
8L90 Planet D154584 - GM automatic transmission planetaries - view 1 of 2
$655.25 - $655.25
$655.25
$655.25 - $655.25
$655.25

8L90 Planet D154584

Planet for 8L90, 8L80 automatic transmissions. Part # D154584 from GM. Reaction, 4Gear, 39 Spline. Part #: D154584 Brand: GM Part type: Planetar...

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$655.25 - $655.25
$655.25
$655.25 - $655.25
$655.25
8L90 Valve Kit S154507CK - Sonnax automatic transmission pump components
$140.24 - $140.24
$140.24
$140.24 - $140.24
$140.24

8L90 Valve Kit S154507CK

Valve Kit for 8L90, 8L45 automatic transmissions. Part # S154507CK from Sonnax. Converter Feed Limit, Includes Sleeve, Valve and Spring, Required T...

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$140.24 - $140.24
$140.24
$140.24 - $140.24
$140.24
8L90 Valve Kit S154507CK-OS - Sonnax automatic transmission pump components
$103.85 - $103.85
$103.85
$103.85 - $103.85
$103.85

8L90 Valve Kit S154507CK-OS

Valve Kit for 8L90, 8L45 automatic transmissions. Part # S154507CK-OS from Sonnax. Converter Feed Limit, Includes Valve and Spring, Oversize, Requi...

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$103.85 - $103.85
$103.85
$103.85 - $103.85
$103.85
8L90 Technical Manual 154400 - ATSG automatic transmission technical manuals
$63.18 - $63.18
$63.18
$63.18 - $63.18
$63.18

8L90 Technical Manual 154400

Technical Manual for 8L90 automatic transmissions. Part # 154400 from ATSG. Transmission Rebuild Manual. Part #: 154400 Brand: ATSG Part type: T...

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$63.18 - $63.18
$63.18
$63.18 - $63.18
$63.18
8L90 Gasket 154310 - TransTec automatic transmission paper gasket
$7.62 - $7.62
$7.62
$7.62 - $7.62
$7.62

8L90 Gasket 154310

Gasket for 8L90 automatic transmissions. Part # 154310 from TransTec. Pump Cover. Part #: 154310 Brand: TransTec Part type: Paper Gasket Fits t...

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$7.62 - $7.62
$7.62
$7.62 - $7.62
$7.62
8L90 O-Ring 154311 - TransTec automatic transmission o-rings, lip seals, sealing components
$32.74 - $32.74
$32.74
$32.74 - $32.74
$32.74

8L90 O-Ring 154311

O-Ring for 8L90 automatic transmissions. Part # 154311 from TransTec. Pump Cover to Case. Part #: 154311 Brand: TransTec Part type: O-Rings, Lip...

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$32.74 - $32.74
$32.74
$32.74 - $32.74
$32.74
8L90 Gasket 154321 - TransTec automatic transmission gaskets
$4.78 - $4.78
$4.78
$4.78 - $4.78
$4.78

8L90 Gasket 154321

Gasket for 8L90 automatic transmissions. Part # 154321 from TransTec. Lower Valve Body, Main. Part #: 154321 Brand: TransTec Part type: Gaskets ...

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$4.78 - $4.78
$4.78
$4.78 - $4.78
$4.78
8L90 O-Ring 154347 - TransTec automatic transmission o-rings, lip seals, sealing components
$1.29 - $1.29
$1.29
$1.29 - $1.29
$1.29

8L90 O-Ring 154347

O-Ring for 8L90 automatic transmissions. Part # 154347 from TransTec. Part #: 154347 Brand: TransTec Part type: O-Rings, Lip Seals, Sealing Comp...

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$1.29 - $1.29
$1.29
$1.29 - $1.29
$1.29
8L90 Gasket 154305 - TransTec automatic transmission paper gasket
$40.87 - $40.87
$40.87
$40.87 - $40.87
$40.87

8L90 Gasket 154305

Gasket for 8L90 automatic transmissions. Part # 154305 from TransTec. Extension, Housing To Case. Part #: 154305 Brand: TransTec Part type: Pape...

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$40.87 - $40.87
$40.87
$40.87 - $40.87
$40.87
8L90 Pan Gasket 154300R - Precision automatic transmission pan gaskets
$5.36 - $5.36
$5.36
$5.36 - $5.36
$5.36

8L90 Pan Gasket 154300R

Pan Gasket for 8L90, 8L45 automatic transmissions. Part # 154300R from Precision. Part #: 154300R Brand: Precision Part type: Pan Gaskets Fits ...

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$5.36 - $5.36
$5.36
$5.36 - $5.36
$5.36
8L90 Pan Gasket 154300 - TransTec automatic transmission pan gaskets
$22.77 - $22.77
$22.77
$22.77 - $22.77
$22.77

8L90 Pan Gasket 154300

Pan Gasket for 8L90, 8L45 automatic transmissions. Part # 154300 from TransTec. Part #: 154300 Brand: TransTec Part type: Pan Gaskets Fits tran...

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$22.77 - $22.77
$22.77
$22.77 - $22.77
$22.77
8L90 Sealing Ring Kit 154175 - TransTec automatic transmission o-rings, lip seals, sealing components
$26.43 - $26.43
$26.43
$26.43 - $26.43
$26.43

8L90 Sealing Ring Kit 154175

Sealing Ring Kit for 8L90 automatic transmissions. Part # 154175 from TransTec. Part #: 154175 Brand: TransTec Part type: O-Rings, Lip Seals, Se...

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$26.43 - $26.43
$26.43
$26.43 - $26.43
$26.43
8L90 Output Shaft to Case Thrust Bearing, 66.85MM x 52.5MM x 3.2MM D154271 - GM automatic transmission bearings
$13.25 - $13.25
$13.25
$13.25 - $13.25
$13.25

8L90 Output Shaft to Case Thrust Bearing, 66.85MM x 52.5MM x 3.2MM D154271

Output Shaft to Case Thrust Bearing, 66.85MM x 52.5MM x 3.2MM for 8L90 automatic transmissions. Part # D154271 from GM. Part #: D154271 Brand: GM...

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$13.25 - $13.25
$13.25
$13.25 - $13.25
$13.25
8L90 Valve Kit S154741HK-OS - Sonnax automatic transmission valves & components - view 1 of 2
$47.18 - $47.18
$47.18
$47.18 - $47.18
$47.18

8L90 Valve Kit S154741HK-OS

Valve Kit for 8L90, 8L45, 8L80 automatic transmissions. Part # S154741HK-OS from Sonnax. Actuator Feed Limit, Oversized, Required T-F-154740-TL38, ...

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$47.18 - $47.18
$47.18
$47.18 - $47.18
$47.18
8L90 Valve Kit S154741HK - Sonnax automatic transmission valves & components - view 1 of 2
$90.94 - $90.94
$90.94
$90.94 - $90.94
$90.94

8L90 Valve Kit S154741HK

Valve Kit for 8L90, 8L45, 8L80 automatic transmissions. Part # S154741HK from Sonnax. Actuator Feed Limit, Includes Valve, Sleeve, Spring, Retainin...

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$90.94 - $90.94
$90.94
$90.94 - $90.94
$90.94
8L90 Pressure Regulator, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore A154741P - TransJel automatic
$71.47 - $71.47
$71.47
$71.47 - $71.47
$71.47

8L90 Pressure Regulator, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore A154741P

Pressure Regulator, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore for 8L90, 8L45 automatic transmissions. Part # A154741P f...

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$71.47 - $71.47
$71.47
$71.47 - $71.47
$71.47
8L90 Valve Kit S154741PK - Sonnax automatic transmission valves & components
$152.47 - $152.47
$152.47
$152.47 - $152.47
$152.47

8L90 Valve Kit S154741PK

Valve Kit for 8L90, 8L45, 8L80 automatic transmissions. Part # S154741PK from Sonnax. Pressure Regulator and Shuttle, Incluluds Pressure Regulator ...

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$152.47 - $152.47
$152.47
$152.47 - $152.47
$152.47
8L90 Valve Kit S154741PK-O-OS - Sonnax automatic transmission valves & components - view 1 of 2
$67.95 - $67.95
$67.95
$67.95 - $67.95
$67.95

8L90 Valve Kit S154741PK-O-OS

Valve Kit for 8L90, 8L45, 8L80 automatic transmissions. Part # S154741PK-O-OS from Sonnax. Pressure Regulator and Shuttle, O-Ringed, Oversized, Req...

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$67.95 - $67.95
$67.95
$67.95 - $67.95
$67.95
8L90 Converter Feed Limit, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore A154741L - TransJel
$52.74 - $52.74
$52.74
$52.74 - $52.74
$52.74

8L90 Converter Feed Limit, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore A154741L

Converter Feed Limit, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore for 8L90, 8L45 automatic transmissions. Part # A154741L...

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$52.74 - $52.74
$52.74
$52.74 - $52.74
$52.74
8L90 Valve Kit A154741RK - TransJel automatic transmission valves & components
$412.35 - $412.35
$412.35
$412.35 - $412.35
$412.35

8L90 Valve Kit A154741RK

Valve Kit for 8L90, 8L45 automatic transmissions. Part # A154741RK from TransJel. Valve Body Repair. Part #: A154741RK Brand: TransJel Part type...

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$412.35 - $412.35
$412.35
$412.35 - $412.35
$412.35
8L90 Torque Converter Clutch Regulator, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore A154741Q
$40.05 - $40.05
$40.05
$40.05 - $40.05
$40.05

8L90 Torque Converter Clutch Regulator, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore A154741Q

Torque Converter Clutch Regulator, Drop In, No Reaming, New, Gently Oversized, Valve Seals Existing Bore for 8L90, 8L45 automatic transmissions. Pa...

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$40.05 - $40.05
$40.05
$40.05 - $40.05
$40.05
8L90 Valve Kit S154741SAK - Sonnax automatic transmission valves & components - view 1 of 2
$81.73 - $81.73
$81.73
$81.73 - $81.73
$81.73

8L90 Valve Kit S154741SAK

Valve Kit for 8L90, 8L45, 8L80 automatic transmissions. Part # S154741SAK from Sonnax. S4 Clutch, Includes Valve, Spring, Seal. Part #: S154741SAK...

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$81.73 - $81.73
$81.73
$81.73 - $81.73
$81.73

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