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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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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
STEEL PLATE DIRECT CLUTCH 0.090in. TH400, 4L80E, 4TH AND FOWARD AT540 - Suntransmissions
$2.51 - $2.51
$2.51
$2.51 - $2.51
$2.51

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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$2.51 - $2.51
$2.51
$2.51 - $2.51
$2.51
$2.42 - $2.42
$2.42
$2.42 - $2.42
$2.42

Metal Clad Seal Extension Housing (Large) (Without Boot) TH400 M40 3L80 MT1 MN8

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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$2.42 - $2.42
$2.42
$2.42 - $2.42
$2.42
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
BUSHING PUMP BABBIT TH180C 4L30E 325 TH250C TH350C TH400 AT540 AT545 POWERGLIDE ST300
$2.32 - $2.32
$2.32
$2.32 - $2.32
$2.32

Bushing Pump BABBIT TH180C 4L30E 325 TH250C TH350C TH400 AT540 AT545 POWERGLIDE ST300

in stock

BUSHING PUMP BABBIT TH180C 4L30E 325 TH250C TH350C TH400 AT540 AT545 POWERGLIDE ST300 Transmissions 4L30E (ML4) – 1962-UP AT540 (AT543) – 1962-U...

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$2.32 - $2.32
$2.32
$2.32 - $2.32
$2.32
Speedo Gear Grey 44 Teeth TH350 TH350C TH400 TH700-R4 TH700 TH200 TH200C
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$2.29 - $2.29
$2.29
$2.29 - $2.29
$2.29

Speedo Gear Grey 44 Teeth TH350 TH350C TH400 TH700-R4 TH700 TH200 TH200C

Out of stock

Speedo Gear Grey 44 Teeth TH350 TH350C TH400 TH700-R4 TH700 TH200 TH200C Transmissions: TH700-R4 (TH700R4) 1982-UP, TH700 (4L60) 1982-UP, TH400 (M...

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$2.29 - $2.29
$2.29
$2.29 - $2.29
$2.29
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Metal Clad Seal Extension Housing TH400 T8 C6 E4OD 4R100 A500 45RFE 5-45RFE 42RLE FMX A727
$2.23 - $2.23
$2.23
$2.23 - $2.23
$2.23

Metal Clad Seal Extension Housing TH400 T8 C6 E4OD 4R100 A500 45RFE 5-45RFE 42RLE FMX A727

in stock

Metal Clad Seal Extension Housing TH400 T8 C6 E4OD 4R100 A500 45RFE 5-45RFE 42RLE FMX A727 2.506” OD Transmissions: 42RLE 2003-2004, 5-45RFE (545R...

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$2.23 - $2.23
$2.23
$2.23 - $2.23
$2.23
Metal Clad Seal Extension Housing National with Flange TH350 TH250 TH700 4L60E C4 C5 PG TH180 TH200
$2.23 - $2.23
$2.23
$2.23 - $2.23
$2.23

Metal Clad Seal Extension Housing National with Flange TH350 TH250 TH700 4L60E C4 C5 PG TH180 TH200

in stock

Metal Clad Seal Extension Housing National with Flange TH350 TH250 TH700 4L60E C4 C5 PG TH180 TH200 Transmissions: TH700-R4 (TH700R4) 1982-UP, ST3...

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$2.23 - $2.23
$2.23
$2.23 - $2.23
$2.23
STEEL PLATE FORWARD CLUTCH, FLAT.077in TH400, 4L80E - Suntransmissions
$2.23 - $2.23
$2.23
$2.23 - $2.23
$2.23

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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$2.23 - $2.23
$2.23
$2.23 - $2.23
$2.23
O-Ring Front Pump (Lip Seal) TH400 TH700-R4 4L60E 4L65E 4L80E AT540
$1.98 - $1.98
$1.98
$1.98 - $1.98
$1.98

O-Ring Front Pump (Lip Seal) TH400 TH700-R4 4L60E 4L65E 4L80E AT540

in stock

O-Ring Front Pump (Lip Seal) TH400 TH700-R4 4L60E 4L65E 4L80E AT540 Transmissions: AT540 (AT543) 1970-UP, 4L65E (M32) 1997-2003, TH700-R4 (TH700R4...

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$1.98 - $1.98
$1.98
$1.98 - $1.98
$1.98
BUSHING PUMP BRONCE TH350 TH400 AT540
$1.89 - $1.89
$1.89
$1.89 - $1.89
$1.89

Bushing Pump BRONCE TH350 TH400 AT540

in stock

BUSHING PUMP BRONCE TH350 TH400 AT540 Transmissions: AT540 (AT543) 2000, TH350 (MV4,M38) 2000, TH400 (M40,3L80) 2000OEM Number: 6880917 Vehicle AM...

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$1.89 - $1.89
$1.89
$1.89 - $1.89
$1.89
Pan Gasket TH400 M40 3L80
$1.75 - $1.75
$1.75
$1.75 - $1.75
$1.75

Pan Gasket TH400 M40 3L80

in stock

Pan Gasket TH400 M40 3L80 Transmissions: TH400 (M40,3L80) 1965-UP OEM Number: 8629807, 8655625  Vehicle AM GENERALH1 HUMMER 1992 3 SP 4WD V8 6.2L ...

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$1.75 - $1.75
$1.75
$1.75 - $1.75
$1.75
Gasket Pump TH400 M40 3L80 1964/UP
$1.59 - $1.59
$1.59
$1.59 - $1.59
$1.59

Gasket Pump TH400 M40 3L80 1964/UP

in stock

Gasket Pump TH400 M40 3L80 1964/UP Transmissions: TH400 (M40,3L80) 1964-UPOEM Number: 8623978   Vehicle BUICKCentury 1973-1977 3 SP Electra, LeSab...

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$1.59 - $1.59
$1.59
$1.59 - $1.59
$1.59
Metal Clad Seal Extension Housing with Flange TH350 TH250 TH700 4L60E C4 C5 PG TH180 TH200 AOD
$1.56 - $1.56
$1.56
$1.56 - $1.56
$1.56

Metal Clad Seal Extension Housing with Flange TH350 TH250 TH700 4L60E C4 C5 PG TH180 TH200 AOD

in stock

Metal Clad Seal Extension Housing with Flange TH350 TH250 TH700 4L60E C4 C5 PG TH180 TH200 AOD Transmissions: L3N71B 1971-1987, TH700-R4 (TH700R4)...

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$1.56 - $1.56
$1.56
$1.56 - $1.56
$1.56
Metal Clad Seal Manual Lever TH350 TH400 4L80E TH700-R4 4L60E 6L45 6L50 6L80 6L90 1000 AT540 AT545
Sold Out
$1.43 - $1.43
$1.43
$1.43 - $1.43
$1.43

Metal Clad Seal Manual Lever TH350 TH400 4L80E TH700-R4 4L60E 6L45 6L50 6L80 6L90 1000 AT540 AT545

Out of stock

Metal Clad Seal Manual Lever TH350 TH400 4L80E TH700-R4 4L60E 6L45 6L50 6L80 6L90 1000 AT540 AT545 Transmissions: ST300 1964-1969, AT545 1970-UP, ...

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$1.43 - $1.43
$1.43
$1.43 - $1.43
$1.43
Sold Out
Notify When Available
Gasket Case to Spacer Plate 7 Check Ball Type No Stripe TH400 1988/UP
$1.15 - $1.15
$1.15
$1.15 - $1.15
$1.15

Gasket Case to Spacer Plate 7 Check Ball Type TH400 1988/UP

in stock

Gasket Case to Spacer Plate 7 Check Ball Type TH400 1988/UP Transmissions: TH400 (M40,3L80) 1987-UPOEM Number: 8670458 Vehicle CHEVROLETCamaro 196...

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$1.15 - $1.15
$1.15
$1.15 - $1.15
$1.15
Metal Clad Seal Speedometer Shaft TH350 TH400 TH125 TH180 TH700-R4 TH200C A904 TH440 PG
$1.05 - $1.05
$1.05
$1.05 - $1.05
$1.05

Metal Clad Seal Speedometer Shaft TH350 TH400 TH125 TH180 TH700-R4 TH200C A904 TH440 PG

in stock

Metal Clad Seal Speedometer Shaft TH350 TH400 TH125 TH180 TH700-R4 TH200C A904 TH440 PG Transmissions: TH400 (M40,3L80) 1964-UP, TH325-4L 1979-198...

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$1.05 - $1.05
$1.05
$1.05 - $1.05
$1.05
$0.93 - $0.93
$0.93
$0.93 - $0.93
$0.93

Boot Filler Tube (Top Hat Design) TH700 TH125C TH180C 4L30E TH200C TH200-4R TH250C TH350C TH400 4L80

in stock

Boot Filler Tube (Top Hat Design) TH700 TH125C TH180C 4L30E TH200C TH200-4R TH250C TH350C TH400 4L80 Transmissions: CD4E (LA4A-EL,LA4AEL) 1994-UP,...

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$0.93 - $0.93
$0.93
$0.93 - $0.93
$0.93

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