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TH400 (3L80)

Discover a comprehensive range of high-quality Automatic Transmission Parts for the TH400 (3L80) at Sun Transmissions. Our extensive selection includes everything from torque converters, transmission rebuild kits, and valve bodies to specialized components like clutch boost springs, heavy-duty input shafts, and overrun clutch hubs. Catering to both repair and performance upgrades, our products are designed to enhance durability and efficiency. Whether you're looking for molded rubber pistons, wiring harnesses, or seal and gasket kits, our inventory covers a wide spectrum of needs. Each part is meticulously crafted to ensure optimal performance and longevity, making Sun Transmissions your go-to destination for TH400 (3L80) transmission solutions.

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$17.69 - $17.69
$17.69
$17.69 - $17.69
$17.69

Speedo Gear 37 Teeth (Red) TH350 TH350C TH400 TH700-R4 TH200 TH200C

in stock

Speedo Gear 37 Teeth (Red) TH350 TH350C TH400 TH700-R4 TH200 TH200C Transmissions: TH700-R4 (TH700R4) 1982-1993, TH700 (4L60) 1982-1993, TH400 (M...

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$17.69 - $17.69
$17.69
$17.69 - $17.69
$17.69
Solenoid Valve Body Detent Short Wire and Kickdown TH400 3L80
$17.17 - $17.17
$17.17
$17.17 - $17.17
$17.17

Solenoid Valve Body Detent Short Wire and Kickdown TH400 3L80

in stock

Solenoid Valve Body Detent Short Wire and Kickdown TH400 3L80 Transmissions: TH400 (M40,3L80) 1964-UP Vehicle AM GENERALH1 HUMMER 1992 3 SP 4WD V8...

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$17.17 - $17.17
$17.17
$17.17 - $17.17
$17.17
Sprag Rear Low Clutch Roller Type FMX TH400 TH425 4L80E AOD AODE 4R70W 4R70E 4R75W 4R75E
$15.66 - $15.66
$15.66
$15.66 - $15.66
$15.66

Sprag Rear Low Clutch Roller Type FMX TH400 TH425 4L80E AOD AODE 4R70W 4R70E 4R75W 4R75E

in stock

Sprag Rear Low Clutch Roller Type FMX TH400 TH425 4L80E AOD AODE 4R70W 4R70E 4R75W 4R75E Transmissions: 4R75W (4R75E) 2003-UP, 4R70E 2003-UP, 4R70...

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$15.66 - $15.66
$15.66
$15.66 - $15.66
$15.66
$8.74 - $8.74
$8.74
$8.74 - $8.74
$8.74

Valve Body Checkball Package Various Transmissions

in stock

Valve Body Checkballs – Set of 10 This set includes 10 high-performance checkballs (.250" size) made from durable, wear-resistant imidized plastic....

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$8.74 - $8.74
$8.74
$8.74 - $8.74
$8.74
FILTER FELT SCREEN TH400 - Suntransmissions
$8.20 - $8.20
$8.20
$8.20 - $8.20
$8.20

Filter Felt Screen Th400

in stock

Filter Felt Screen TH400Transmissions: TH400 1976-UPOEM Number: 86437741, 6438348 Vehicle BENTLEYCorniche 1971-1996 3 SP Eight 1984-1992 3 sp V8, ...

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$8.20 - $8.20
$8.20
$8.20 - $8.20
$8.20
Band Front TH400 TH425
$7.56 - $7.56
$7.56
$7.56 - $7.56
$7.56

Band Front TH400 TH425

in stock

Band Front TH400 TH425 Transmissions: TH425 1966-1978, TH400 (M40,3L80) 1965-UPOEM Number: 8623123 Vehicle BUICKCentury 1973-1977 3 SP Electra, Le...

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$7.56 - $7.56
$7.56
$7.56 - $7.56
$7.56
Metal Clad Seal Pump National TH350 AT540 TH400 PG TH250 TH325 ST300 AT545 TH350C TH180
$6.13 - $6.13
$6.13
$6.13 - $6.13
$6.13

Metal Clad Seal Pump National TH350 AT540 TH400 PG TH250 TH325 ST300 AT545 TH350C TH180

in stock

Metal Clad Seal Pump National TH350 AT540 TH400 PG TH250 TH325 ST300 AT545 TH350C TH180 Transmissions: TH180 (MD3,MD2,3L30,TH180C) 1969-UP, TH325 ...

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$6.13 - $6.13
$6.13
$6.13 - $6.13
$6.13
FILTER FLAT BRASS SCREEN TH400, AT540, AT545 - Suntransmissions
$5.92 - $5.92
$5.92
$5.92 - $5.92
$5.92

Filter FLAT BRASS SCREEN TH400 AT540 AT545

in stock

FILTER FLAT BRASS SCREEN TH400, AT540, AT545 Transmissions: AT540 1964-UP, AT545 1964-UP, TH400 1964-UPOEM Number: 6437741VehicleBENTLEYCorniche 1...

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$5.92 - $5.92
$5.92
$5.92 - $5.92
$5.92
PAN GASKET FARPACK TH400 - Suntransmissions
$5.33 - $5.33
$5.33
$5.33 - $5.33
$5.33

Pan Gasket Farpak TH400

in stock

PAN GASKET FARPACK TH400 Transmissions: TH400 (M40,3L80) 1964-UPOEM Number: 8655625VehicleAM GENERALH1 HUMMER 1992 3 SP 4WD V8 6.2L DIESELBENTLEY...

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$5.33 - $5.33
$5.33
$5.33 - $5.33
$5.33
Bushing Output Shaft (Wide) TH400 3L80 M40
$4.58 - $4.58
$4.58
$4.58 - $4.58
$4.58

Bushing Output Shaft (Wide) TH400 3L80 M40

in stock

Bushing Output Shaft (Wide) TH400 3L80 M40 Transmissions: TH400 (M40,3L80) 1964-1974OEM Number: 8623943, 8624988 Vehicle BUICKCentury 1973-1977 3 ...

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$4.58 - $4.58
$4.58
$4.58 - $4.58
$4.58
Friction Plate Raybestos Direct and Forward Clutch High Energy [10-11] TH400 4L80E 3L80 MT1 M40
$3.62 - $3.62
$3.62
$3.62 - $3.62
$3.62

Friction Plate Raybestos Direct and Forward Clutch High Energy TH400 4L80E 3L80 MT1 M40

in stock

Friction Plate Raybestos Direct and Forward Clutch High Energy [10-11] TH400 4L80E 3L80 MT1 M40 Transmissions: 4L80E (MT1) 1991-UP, TH400 (M40,3L8...

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$3.62 - $3.62
$3.62
$3.62 - $3.62
$3.62
Friction Plate Raybestos Forward & Direct Clutch [10-11] (Waffle) TH400 M40 3L80
$3.38 - $3.38
$3.38
$3.38 - $3.38
$3.38

Friction Plate Raybestos Forward & Direct Clutch [10-11] (Waffle) TH400 M40 3L80

in stock

Friction Plate Raybestos Forward & Direct Clutch [10-11] (Waffle) TH400 M40 3L80 THICK .080”, 42T , OD: 5.895" Transmissions: TH400 (M40,3L80)...

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$3.38 - $3.38
$3.38
$3.38 - $3.38
$3.38
STEEL PLATE INTERMEDIATE CLUTCH FLAT 0.100IN. TH400 - Suntransmissions
$3.38 - $3.38
$3.38
$3.38 - $3.38
$3.38

Steel Plate Intermediate Clutch Flat 0.100in. TH400

Only 1 left!

STEEL PLATE INTERMEDIATE CLUTCH FLAT 0.100IN. TH400 Transmissions: TH400 (M40,3L80) 1964-UPOEM Number: 8655621 Vehicle AM GENERALH1 HUMMER 1992 3 ...

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$3.38 - $3.38
$3.38
$3.38 - $3.38
$3.38
FRICTION PLATE ALLOMATIC INTERMEDIATE TH400, 4L80E - Suntransmissions
Sold Out
$3.38 - $3.38
$3.38
$3.38 - $3.38
$3.38

Friction Plate Allomatic Intermediate TH400 4L80E

Out of stock

FRICTION PLATE ALLOMATIC INTERMEDIATE TH400, 4L80E Transmissions: 4L80E (4L85E) 1964-1990, TH400 1964-1990 Vehicle AM GENERALH1 HUMMER 1993-2005 4...

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$3.38 - $3.38
$3.38
$3.38 - $3.38
$3.38
Sold Out
Notify When Available
FRICTION PLATE RAYBESTOS INTERMEDIATE .080 [4] (WAVED) TH400, 3L80, M40, TH425
Sold Out
$3.14 - $3.14
$3.14
$3.14 - $3.14
$3.14

Friction Plate Raybestos Intermediate .080 (Waved) TH400 3L80 M40 TH425

Out of stock

FRICTION PLATE RAYBESTOS INTERMEDIATE .080 [4] (WAVED) TH400, 3L80, M40, TH425 THICK .080” , 47T , OD: 6.560" Transmissions: TH425 1964-UP, TH400 ...

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$3.14 - $3.14
$3.14
$3.14 - $3.14
$3.14
Sold Out
Notify When Available
$2.97 - $2.97
$2.97
$2.97 - $2.97
$2.97

Metal Clad Seal Extension Housing (Large) (W/O Boot) 2.705in OD TH400

in stock

Metal Clad Seal Extension Housing (Large) (Without Boot) TH400 M40 3L80 MT1 MN8  2.705” OD, 1.829” ID (Truck Type) (Without Boot) Transmissions: 4...

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$2.97 - $2.97
$2.97
$2.97 - $2.97
$2.97
FRICTION PLATE ALLOMATIC INTERMEDIATE .080 [4] (WAVED) TH400, 3L80, M40, TH425
Sold Out
$2.84 - $2.84
$2.84
$2.84 - $2.84
$2.84

Friction Plate Allomatic Intermediate .080 (Waved) TH400 3L80 M40 TH425

Out of stock

FRICTION PLATE ALLOMATIC INTERMEDIATE .080 [4] (WAVED) TH400, 3L80, M40, TH425 THICK .080” , 47T , OD: 6.560" Transmissions: TH425 1964-UP, TH400 ...

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$2.84 - $2.84
$2.84
$2.84 - $2.84
$2.84
Sold Out
Notify When Available
$2.81 - $2.81
$2.81
$2.81 - $2.81
$2.81

Governor Gear and Pin Kit TH400

in stock

Governor Gear and Pin Kit TH400 Transmissions: TH400 (M40,3L80) 1966-UPOEM Number: 8623924 Vehicle BUICKCentury 1973-1977 3 SP Electra, LeSabre 19...

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$2.81 - $2.81
$2.81
$2.81 - $2.81
$2.81
Friction Plate Raybestos Forward & Direct Clutch [10-11] TH400 TH425 4L80E 4L85E 3L80 M40
$2.75 - $2.75
$2.75
$2.75 - $2.75
$2.75

Friction Plate Raybestos Forward & Direct Clutch [10-11] TH400 TH425 4L80E 4L85E 3L80 M40

in stock

Friction Plate Raybestos Forward & Direct Clutch [10-11] TH400 TH425 4L80E 4L85E 3L80 M40 THICK .080” , 42T , OD: 5.895" Transmissions: 4L85E ...

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$2.75 - $2.75
$2.75
$2.75 - $2.75
$2.75
STEEL PLATE DIRECT CLUTCH 0.090in. TH400, 4L80E, 4TH AND FOWARD AT540 - Suntransmissions
$2.61 - $2.61
$2.61
$2.61 - $2.61
$2.61

Steel Plate Direct Clutch 0.090in. TH400 4L80E 4TH And Foward AT540

in stock

STEEL PLATE DIRECT CLUTCH 0.090in. TH400, 4L80E, 4TH AND FOWARD AT540 Transmissions: AT540 (AT543) 1968-UP, TH400 (M40,3L80) 1968-UP, 4L80E (MT1) ...

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$2.61 - $2.61
$2.61
$2.61 - $2.61
$2.61
FRICTINO PLATE ALLOMTIC FOWARD AND DIRECT (WAFFLE) 4L80E, TH400
$2.54 - $2.54
$2.54
$2.54 - $2.54
$2.54

Friction Plate Allomatic Forward Direct Clutch WAFFLE TH400 4L80E

in stock

FRICTION PLATE ALLOMATIC FORWARD DIRECT CLUTCH WAFFLE TH400, 4L80ETransmissions: TH400 (M40,3L80) 1964-UP, 4L80E (MT1) 1964-UP Vehicle AM GENERALH...

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$2.54 - $2.54
$2.54
$2.54 - $2.54
$2.54
Metal Clad Seal Pump TH350, AT540, TH400, PG, TH250, TH325, ST300, AT545, TH350C
$2.49 - $2.49
$2.49
$2.49 - $2.49
$2.49

Metal Clad Seal Pump TH350 AT540 TH400 PG TH250 TH325 ST300 AT545 TH350C

in stock

Metal Clad Seal Pump TH350, AT540, TH400, PG, TH250, TH325, ST300, AT545, TH350C Transmissions: ST300 1964-1969, PG (POWERGLIDE,M35) 1962-1973, AT...

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$2.49 - $2.49
$2.49
$2.49 - $2.49
$2.49
FRICTION PLATE ALLOMATIC FOWARD AND DIRECT CLUTCH TH400, 4L80E
$2.39 - $2.39
$2.39
$2.39 - $2.39
$2.39

Friction Plate Allomatic Foward And Direct Clutch TH400 4L80E

in stock

FRICTION PLATE ALLOMATIC FOWARD AND DIRECT CLUTCH TH400, 4L80E USES 11 FRICTION PLATES Transmissions: TH400 (M40,3L80) 2000, 4L80E (MT1) 2000 Vehi...

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$2.39 - $2.39
$2.39
$2.39 - $2.39
$2.39
STEEL PLATE FORWARD CLUTCH, FLAT.077in TH400, 4L80E - Suntransmissions
$2.33 - $2.33
$2.33
$2.33 - $2.33
$2.33

Steel Plate Forward Clutch Flat 0.077in TH400 4L80E

in stock

STEEL PLATE FORWARD CLUTCH TH400, 4L80E FLAT 0.077in Transmissions: TH400 (M40,3L80) 1965-UP, 4L80E (MT1) 1965-UP OEM Number: 41525, 8623849 Vehic...

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$2.33 - $2.33
$2.33
$2.33 - $2.33
$2.33

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