Skip to content
Free Shipping on Orders greater than $90.00
Free Shipping. $90.00 and greater.

TH400 (3L80)

Filters

    Friction Pack Raybestos Generation 2 Blue Plates TH400 M40 3L80
    $191.27 - $191.27
    $191.27
    $191.27 - $191.27
    $191.27

    Friction Pack Raybestos Generation 2 Blue Plates TH400 M40 3L80

    RAYBESTOS

    Friction Pack Raybestos Generation 2 Blue Plates TH400 M40 3L80 The Gen2 Blue Plate Special, the ultimate racing clutch for automatic transmissions...

    View full details
    $191.27 - $191.27
    $191.27
    $191.27 - $191.27
    $191.27
    Shift Kit Transgo Street / Racing TH400
    $151.87 - $151.87
    $151.87
    $151.87 - $151.87
    $151.87

    Shift Kit Transgo Street Racing TH400

    TRANSGO

    TransGo Reprogramming Kit with Gear Command for All 400 (1965-ON) The TransGo Reprogramming Kit for the TH400 transmission offers enhanced automati...

    View full details
    $151.87 - $151.87
    $151.87
    $151.87 - $151.87
    $151.87
    SHIFT KIT REPROGRAMING TRANSGO TH400
    Call for Availability
    $130.63 - $130.63
     
    $130.63 - $130.63

    Shift Kit TRANSGO TH400

    TRANSGO

    SHIFT KIT REPROGRAMING TRANSGO TH400 Transmissions: TH400 (M40,3L80) 1964-UP Vehicle AM GENERALH1 HUMMER 1992 3 SP 4WD V8 6.2L DIESELBENTLEYCornic...

    View full details
    $130.63 - $130.63
     
    $130.63 - $130.63
    Call for Availability
    Notify Me When Available
    Reprograming Kit Transgo TH400 M40 3L80
    $112.57 - $112.57
    $112.57
    $112.57 - $112.57
    $112.57

    Reprograming Kit Transgo TH400 M40 3L80

    TRANSGO

    Transgo Reprogramming Kit For TH400 This comprehensive kit is designed for heavy-duty and high-performance applications, offering expert valve body...

    View full details
    $112.57 - $112.57
    $112.57
    $112.57 - $112.57
    $112.57
    Flywheel 6 Cyl Chevrolet Gmc 4.8L TH350 TH400
    Flywheel 6 Cyl Chevrolet Gmc 4.8L TH350 TH400
    $76.76 - $76.76
    $76.76
    $76.76 - $76.76
    $76.76

    Flywheel 6 Cyl Chevrolet Gmc 4.8L TH350 TH400

    TSS

    Flywheel 6 Cyl Chevrolet Gmc 4.8L TH350 TH400 Teeth 168 , Weight No , OD 14.13 in Transmissions: TH400 (M40,3L80) 1973-1989, TH350 (MV4,M38) 1973...

    View full details
    $76.76 - $76.76
    $76.76
    $76.76 - $76.76
    $76.76
    Sonnax Case Saver Retainer for TH400 & '98-Earlier 4L80-E
    $62.74 - $62.74
    $62.74
    $62.74 - $62.74
    $62.74

    Sonnax Case Saver Retainer TH400 4L80E M40 3L80 MT1

    SONNAX

    Sonnax Case Saver Retainer for TH400 & '98-Earlier 4L80-E The Sonnax case saver retainer 34762-10 is the only intermediate clutch retaining rin...

    View full details
    $62.74 - $62.74
    $62.74
    $62.74 - $62.74
    $62.74
    Sonnax Line Pressure Booster Kit for TH400
    $62.34 - $62.34
    $62.34
    $62.34 - $62.34
    $62.34

    Sonnax Line Pressure Booster Kit TH400 M40 3L80

    SONNAX

    Sonnax Line Pressure Booster Kit for TH400 The Sonnax Line Pressure Booster Kit for the TH400 transmission is designed to enhance your vehicle’s pe...

    View full details
    $62.34 - $62.34
    $62.34
    $62.34 - $62.34
    $62.34
    Flywheel Jeep 360 Engine
    Flywheel Jeep 360 Engine
    Call for Availability
    $60.60 - $60.60
     
    $60.60 - $60.60

    Flywheel Jeep 360 Engine

    TSS

    Flywheel Jeep 360 Engine Transmissions: TH400 (M40,3L80) 1974-19795351821 Vehicle AM GENERALH1 HUMMER 1992 3 SP 4WD V8 6.2L DIESELBENTLEYCorniche ...

    View full details
    $60.60 - $60.60
     
    $60.60 - $60.60
    Call for Availability
    Notify Me When Available
    Overhaul Kit Transtec without Rear Metal Clad Seal TH400 M40 3L80 TH375 TH475
    Overhaul Kit Transtec without Rear Metal Clad Seal TH400 M40 3L80 TH375 TH475
    $49.24 - $49.24
    $49.24
    $49.24 - $49.24
    $49.24

    Overhaul Kit Transtec without Rear Metal Clad Seal TH400 3L80 TH375 TH475

    FREUDENBERG

    Overhaul Kit Transtec without Rear Metal Clad Seal TH400 M40 3L80 TH375 TH475 Transmissions: TH475 1965-1996, TH375 1965-1996, TH400 (M40,3L80) 19...

    View full details
    $49.24 - $49.24
    $49.24
    $49.24 - $49.24
    $49.24
    Band Borg Warner Rear Reverse (New Design, Smooth Lining) TH400 4L80E 3L80 M40 MT1
    Band Borg Warner Rear Reverse (New Design, Smooth Lining) TH400 4L80E 3L80 M40 MT1
    $47.66 - $47.66
    $47.66
    $47.66 - $47.66
    $47.66

    Band Borg Warner Rear Reverse (New Design, Smooth Lining) TH400 4L80E 3L80 M40 MT1

    BORGWARNER

    Band Borg Warner Rear Reverse (New Design, Smooth Lining) TH400 4L80E 3L80 M40 MT1 Transmissions: TH400 (M40,3L80) 1964-UP, 4L80E (MT1) 1991-UP OE...

    View full details
    $47.66 - $47.66
    $47.66
    $47.66 - $47.66
    $47.66
    SHIFT KIT SUPERIOR WTH PLATE TH400 - Suntransmissions
    SHIFT KIT SUPERIOR WTH PLATE TH400 - Suntransmissions
    $44.73 - $44.73
    $44.73
    $44.73 - $44.73
    $44.73

    Shift Kit With Plate Superior TH400

    SUPERIOR

    Transgo SHIFT KIT Valve Body Repair Kit with Plate for TH400 1965/Up This repair kit is designed to address and rectify common issues associated wi...

    View full details
    $44.73 - $44.73
    $44.73
    $44.73 - $44.73
    $44.73
    VALVE BODY USED 6 CHECK BALL FLAT FILTER 1968/87 TH400
    VALVE BODY USED 6 CHECK BALL FLAT FILTER 1968/87 TH400
    Call for Availability
    $42.75 - $42.75
     
    $42.75 - $42.75

    Valve Body Used 6 Check Ball Flat Filter 1968/87 TH400

    TSS

    VALVE BODY USED 6 CHECK BALL FLAT FILTER 1968/87 TH400 Transmissions: TH400 (M40,3L80) 1968-1987VehicleAM GENERALH1 HUMMER 1992 3 SP 4WD V8 6.2L ...

    View full details
    $42.75 - $42.75
     
    $42.75 - $42.75
    Call for Availability
    Notify Me When Available
    Overhaul Kit Transtec without Rear Metal Clad Seal TH400 M40 3L80
    Overhaul Kit Transtec without Rear Metal Clad Seal TH400 M40 3L80
    $41.34 - $41.34
    $41.34
    $41.34 - $41.34
    $41.34

    Overhaul Kit Transtec without Rear Metal Clad Seal TH400 3L80

    FREUDENBERG

    Overhaul Kit Transtec without Rear Metal Clad Seal TH400 M40 3L80 Transmissions: TH400 (M40,3L80) 1965-1996 Vehicle BENTLEYCorniche 1971-1996 3 SP...

    View full details
    $41.34 - $41.34
    $41.34
    $41.34 - $41.34
    $41.34
    Call for Availability
    $40.88 - $40.88
     
    $40.88 - $40.88

    Overhaul Kit TH400

    TSS

    Overhaul Kit TH400 Transmissions: TH400 (M40,3L80) 1965-UPVehicleBUICKCentury 1973-1977 3 SP Electra, LeSabre 1974-1981 3 SP Regal 1969-1981 3 SP ...

    View full details
    $40.88 - $40.88
     
    $40.88 - $40.88
    Call for Availability
    Notify Me When Available
    Steel Pack TH400 M40 3L80 1965/95
    Steel Pack TH400 M40 3L80 1965/95
    $37.74 - $37.74
    $37.74
    $37.74 - $37.74
    $37.74

    Steel Pack TH400 M40 3L80 1965/95

    ALLOMATIC

    Steel Pack TH400 M40 3L80 1965/95 Transmissions: TH400 (M40,3L80) 1965-1995 Vehicle BUICKCentury 1973-1977 3 SP Electra, LeSabre 1974-1981 3 SP Re...

    View full details
    $37.74 - $37.74
    $37.74
    $37.74 - $37.74
    $37.74
    Band Kevlar Rear Reverse TH400 4L80E 3L80 M40 MT1
    Band Kevlar Rear Reverse TH400 4L80E 3L80 M40 MT1
    $37.48 - $37.48
    $37.48
    $37.48 - $37.48
    $37.48

    Band Kevlar Rear Reverse TH400 4L80E 3L80 M40 MT1

    TSS

    Band Kevlar Rear Reverse TH400 4L80E 3L80 M40 MT1 Transmissions: TH400 (M40,3L80) 1964-UP, 4L80E (MT1) 1991-UPOEM Number: 24202229 Vehicle AM GENE...

    View full details
    $37.48 - $37.48
    $37.48
    $37.48 - $37.48
    $37.48
    Friction Pack Raybestos TH400 3L80 M40 1964/90
    $35.61 - $35.61
    $35.61
    $35.61 - $35.61
    $35.61

    Friction Pack Raybestos TH400 3L80 M40 1964/90

    RAYBESTOS

    Friction Pack Raybestos TH400 3L80 M40 1964/90 Transmissions: TH400 (M40,3L80) 1964-1990 Vehicle BUICKCentury 1973-1977 3 SP Electra, LeSabre 1974...

    View full details
    $35.61 - $35.61
    $35.61
    $35.61 - $35.61
    $35.61
    Modulator Black Red Stripe TH350 TH400 TH350C TH250 TH250C 3L80 M38 MV4 MX2 M31 M40
    Modulator Black Red Stripe TH350 TH400 TH350C TH250 TH250C 3L80 M38 MV4 MX2 M31 M40
    $34.18 - $34.18
    $34.18
    $34.18 - $34.18
    $34.18

    Modulator Black Red Stripe TH350 TH400 TH350C TH250 TH250C 3L80 M38 MV4 MX2 M31 M40

    TSS

    Modulator Black Red Stripe TH350 TH400 TH350C TH250 TH250C 3L80 M38 MV4 MX2 M31 M40 Adjustable Transmissions: TH350C (MX2) 1980-UP, TH250C 1980-UP...

    View full details
    $34.18 - $34.18
    $34.18
    $34.18 - $34.18
    $34.18
    Output & Reaction Planetary Rebuild Kit with .750" Wide Pinion Gears 4L80E TH400 M40 3L80 MT1
    $30.39 - $30.39
    $30.39
    $30.39 - $30.39
    $30.39

    Output And Reaction Planetary Rebuild Kit with .750" Wide Pinion Gears 4L80E TH400 M40 3L80 MT1

    SONNAX

    Sonnax Planetary Rebuild Kit for 4L80-E, TH400 Transmissions Optimize the performance of your TH400 or '98-earlier 4L80-E transmission with the Son...

    View full details
    $30.39 - $30.39
    $30.39
    $30.39 - $30.39
    $30.39
    Modulator Single Red Stripe TH350 TH350C TH400 TH250 TH250C 1969/86
    Modulator Single Red Stripe TH350 TH350C TH400 TH250 TH250C 1969/86
    $19.80 - $19.80
    $19.80
    $19.80 - $19.80
    $19.80

    Modulator Single Red Stripe TH350 TH350C TH400 TH250 TH250C 1969/86

    TSS

    Modulator Single Red Stripe TH350 TH350C TH400 TH250 TH250C 1969/86 AdjustableTransmissions: TH250C 1980-UP, TH250 (M31) 1969-UP, TH350C (MX2) 198...

    View full details
    $19.80 - $19.80
    $19.80
    $19.80 - $19.80
    $19.80
    MODULATOR DUAL RED STRIPE TH400 4T60E 4T65E
    MODULATOR DUAL RED STRIPE TH400 4T60E 4T65E
    $18.80 - $18.80
    $18.80
    $18.80 - $18.80
    $18.80

    Modulator Dual Red Stripe TH400 4T60E 4T65E

    TSS

    MODULATOR DUAL RED STRIPE TH400 4T60E 4T65E Transmissions: TH400 (M40,3L80) 1964-UP, 4T60E (M13) 1997-UP, 4T65E (MN7,MN3,M76) 1997-UPOEM Number: 8...

    View full details
    $18.80 - $18.80
    $18.80
    $18.80 - $18.80
    $18.80
    BUSHING CASE SONNAX TH400, 4L80E 4L85E - Suntransmissions
    BUSHING CASE SONNAX TH400, 4L80E 4L85E - Suntransmissions
    $18.17 - $18.17
    $18.17
    $18.17 - $18.17
    $18.17

    Bushing Case Sonnax TH400 4L80E 4L85E

    SONNAX

    BUSHING CASE SONNAX "NO WALK OUT" TH400, 4L80E, 4L85E The OE case bushing in vehicles with a GM THM-400, 4L80-E and 4L85-E transmissions tends to w...

    View full details
    $18.17 - $18.17
    $18.17
    $18.17 - $18.17
    $18.17
    Bushing Kit TH400 M40 3L80
    Bushing Kit TH400 M40 3L80
    Call for Availability
    $15.61 - $15.61
     
    $15.61 - $15.61

    Bushing Kit TH400 M40 3L80

    TSS

    Bushing Kit TH400 M40 3L80 Transmissions: TH400 (M40,3L80) 1964-UPVehicleAM GENERALH1 HUMMER 1992 3 SP 4WD V8 6.2L DIESELBENTLEYCorniche 1971-1996...

    View full details
    $15.61 - $15.61
     
    $15.61 - $15.61
    Call for Availability
    Notify Me When Available
    Washer Kit TH400 M40 3L80
    Washer Kit TH400 M40 3L80
    Call for Availability
    $14.97 - $14.97
     
    $14.97 - $14.97

    Washer Kit TH400 M40 3L80

    TSS

    Washer Kit TH400 M40 3L80 Transmissions: TH400 (M40,3L80) 1964-UP Vehicle AM GENERALH1 HUMMER 1992 3 SP 4WD V8 6.2L DIESELBENTLEYCorniche 1971-199...

    View full details
    $14.97 - $14.97
     
    $14.97 - $14.97
    Call for Availability
    Notify Me When Available
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.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare