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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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Original price $20.79 - Original price $20.79
Original price
$20.79
$20.79 - $20.79
Current price $20.79

Bushing Case Sonnax TH400 4L80E 4L85E

Only 1 left!

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...

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Original price $20.79 - Original price $20.79
Original price
$20.79
$20.79 - $20.79
Current price $20.79
Original price $8.74 - Original price $8.74
Original price
$8.74
$8.74 - $8.74
Current price $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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Original price $8.74 - Original price $8.74
Original price
$8.74
$8.74 - $8.74
Current price $8.74
Original price $3.38 - Original price $3.38
Original price
$3.38
$3.38 - $3.38
Current price $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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Original price $2.97 - Original price $2.97
Original price
$2.97
$2.97 - $2.97
Current price $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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Original price $2.97 - Original price $2.97
Original price
$2.97
$2.97 - $2.97
Current price $2.97
Original price $2.75 - Original price $2.75
Original price
$2.75
$2.75 - $2.75
Current price $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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Original price $2.75 - Original price $2.75
Original price
$2.75
$2.75 - $2.75
Current price $2.75

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