Collection: SunCoast Transmission
SunCoast Diesel – High-Performance Transmissions & Drivetrain Solutions
SunCoast Diesel is a leader in high-performance transmission systems, torque converters, and drivetrain components for Cummins, Duramax, and Power Stroke diesel trucks. Engineered for superior durability and power handling, our products ensure maximum performance for towing, daily driving, and competitive racing applications.
...-
Suncoast TH400 Racing Master Overhaul Rebuild Kit
Regular price $695.00 USDSale price $695.00 USD Regular priceUnit price / per -
Suncoast TH400 Racing Master Overhaul Rebuild Kit w/ Intermediate Clutch Pack
Regular price $1,095.00 USDSale price $1,095.00 USD Regular priceUnit price / per -
Suncoast TH400 Rebuild Kit
Regular price $495.00 USDSale price $495.00 USD Regular priceUnit price / per -
Suncoast TH400 Reid Case (OFFROAD)
Regular price $2,195.00 USDSale price $2,195.00 USD Regular priceUnit price / per -
Suncoast TH400 Roller Bearing - Center Support To Sun Gear
Regular price $24.88 USDSale price $24.88 USD Regular priceUnit price / per -
Suncoast TH400 Roller Bearing - Direct Drum
Regular price $36.23 USDSale price $36.23 USD Regular priceUnit price / per -
Suncoast TH400 Roller Bearing - Rear Internal Gear
Regular price $25.45 USDSale price $25.45 USD Regular priceUnit price / per -
Suncoast TH400 Rooster Comb
Regular price $31.10 USDSale price $31.10 USD Regular priceUnit price / per -
Suncoast TH400 Service Kit - Filter & Pan Gasket
Regular price $51.42 USDSale price $51.42 USD Regular priceUnit price / per -
Suncoast TH400 Spring For Manual Valve Lever
Regular price $22.38 USDSale price $22.38 USD Regular priceUnit price / per -
Suncoast TH400 Steel Clutch Hub - Heavy Duty - 1045 Material
Regular price $221.02 USDSale price $221.02 USD Regular priceUnit price / per -
Suncoast TH400 Steel Clutch Hub - Heavy Duty - 1144 Stress Proof
Regular price $423.60 USDSale price $423.60 USD Regular priceUnit price / per -
Suncoast TH400 Steel Clutch Hub - Heavy Duty - Lightweight
Regular price $434.43 USDSale price $434.43 USD Regular priceUnit price / per -
Suncoast TH400 Steel Clutch Hub - Heavy Duty - Machined For Bearing
Regular price $250.55 USDSale price $250.55 USD Regular priceUnit price / per -
Suncoast TH400 Stock Style Blueprinted Steel Pump w/ Spring For 180 PSI - 6 Bolt
Regular price $772.50 USDSale price $772.50 USD Regular priceUnit price / per -
Suncoast TH400 Stock Style Blueprinted Steel Pump w/ Spring For 210 PSI - 6 Bolt
Regular price $897.00 USDSale price $897.00 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump - Big Shaft, Adjustable Pressure Regulator
Regular price $2,347.50 USDSale price $2,347.50 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump - Big Shaft, Cooler Dump, Adjustable Pressure Regulator
Regular price $2,447.50 USDSale price $2,447.50 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump - Lock-Up, OEM Shaft, Adjustable Pressure Regulator
Regular price $2,372.50 USDSale price $2,372.50 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump - OEM Shaft w/ 180+ PSI Spring
Regular price $2,197.50 USDSale price $2,197.50 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump - OEM Shaft w/ Cooler Dump & 180+ PSI Spring
Regular price $2,272.50 USDSale price $2,272.50 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump Adjustable Regulator Kit - Eliminates OEM Boos Valve, 185-300 PSI
Regular price $125.00 USDSale price $125.00 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump Body Kit - 1-3/16 Big Shaft w/ Gears & Wear Plates
Regular price $861.88 USDSale price $861.88 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump Body Kit - 1.25 Big Shaft w/ Billet Gears & Wear Plates
Regular price $1,452.25 USDSale price $1,452.25 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump Body Kit - OEM Shaft w/ Gears & Wear Plates
Regular price $861.88 USDSale price $861.88 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump Stator Half Kit - OEM Regulator & 210 PSI Spring, Bolts, Washers
Regular price $1,522.50 USDSale price $1,522.50 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump Stator Half w/ Adjustable Regulator, Bolts, Washers
Regular price $1,572.50 USDSale price $1,572.50 USD Regular priceUnit price / per -
Suncoast TH400 Super Pump Stator Tube & Plate Assembly Only - OEM Shaft, No Regulator Parts
Regular price $1,472.50 USDSale price $1,472.50 USD Regular priceUnit price / per
SunCoast Diesel – High-Performance Transmissions & Drivetrain Solutions
SunCoast Diesel is a leader in high-performance transmission systems, torque converters, and drivetrain components for Cummins, Duramax, and Power Stroke diesel trucks. Engineered for superior durability and power handling, our products ensure maximum performance for towing, daily driving, and competitive racing applications.
Our extensive product lineup includes billet torque converters, transmission rebuild kits, valve bodies, clutch packs, and custom-built performance transmissions—each designed to handle extreme torque and horsepower. Whether you're looking to upgrade for better towing capacity, smoother shifting, or all-out race performance, SunCoast Diesel has the solution.
Built with precision and tested under the toughest conditions, SunCoast Diesel transmissions and components deliver unmatched strength and reliability. Our innovative designs reduce transmission slippage, enhance shift response, and improve overall drivetrain efficiency, making them the preferred choice for diesel enthusiasts and professional builders.
Upgrade your diesel truck’s transmission with SunCoast Diesel’s premium performance parts. Shop now and experience industry-leading durability, efficiency, and power transfer!





