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.
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Suncoast 6L50/6L80/6L90E Selective Pump Thrust Washer
Regular price $39.00 USDSale price $39.00 USD Regular priceUnit price / per -
Suncoast 6L80 BILLET PUMP ROTOR
Regular price $280.00 USDSale price $280.00 USD Regular priceUnit price / per -
Suncoast 6L80 Pressure Switch Rebuild Kit
Regular price $149.00 USDSale price $149.00 USD Regular priceUnit price / per -
Suncoast 6L80/6L90 BILLET 1-2-3-4 APPLY PISTON
Regular price $139.00 USDSale price $139.00 USD Regular priceUnit price / per -
Suncoast 6L80/90 PUMP
Regular price $1,235.00 USDSale price $1,235.00 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L85E / 6L90E 10" Triple Disk Lock-Up SuperStreet Master Torque Converter w/ Billet Cover
Regular price $3,347.50 USDSale price $3,347.50 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L85E / 6L90E 10" Triple Disk Lock-Up SuperStreet Master Torque Converter w/ Billet Cover - For 2006-2014 Corvette
Regular price $3,522.50 USDSale price $3,522.50 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E 1-2-3-4 Heavy Duty Piston
Regular price $181.70 USDSale price $181.70 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E 11 Piece Bushing Kit - Teflon Coated Dura Bond
Regular price $275.30 USDSale price $275.30 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E 4-5-6 Heavy Duty Clutch Apply Piston Kit w/ Backing Plate
Regular price $311.90 USDSale price $311.90 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E AFL Valve
Regular price $158.93 USDSale price $158.93 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Backing Plate
Regular price $117.20 USDSale price $117.20 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Center Support Seal Kit
Regular price $127.85 USDSale price $127.85 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Clutch Backing Plate
Regular price $157.30 USDSale price $157.30 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Clutch Boost Valve
Regular price $95.40 USDSale price $95.40 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Complete Zip Kit
Regular price $789.78 USDSale price $789.78 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Piston Kit - 2006 & Up, 5 Piece
Regular price $325.50 USDSale price $325.50 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Pressure Regulator & Boost Valve
Regular price $192.25 USDSale price $192.25 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Pump Bushing - Teflon Coated Dura Bond
Regular price $28.55 USDSale price $28.55 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Pump Slide Spring
Regular price $20.70 USDSale price $20.70 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Pump Slide Spring
Regular price $74.75 USDSale price $74.75 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Transmission Filter
Regular price $30.95 USDSale price $30.95 USD Regular priceUnit price / per -
Suncoast 6L80E / 6L90E Upgrade Kit
Regular price $2,030.92 USDSale price $2,030.92 USD Regular priceUnit price / per -
Suncoast 6L80E 2006-On Racing Master Overhaul Rebuild Kit
Regular price $1,995.00 USDSale price $1,995.00 USD Regular priceUnit price / per -
Suncoast 6L80E BILLET SHAFT AND HUB
Regular price $895.00 USDSale price $895.00 USD Regular priceUnit price / per -
Suncoast 6L80E BILLET SHAFT AND HUB Extreme Duty 4-5-6 Clutch Hub & Intermediate Shaft
Regular price $995.00 USDSale price $995.00 USD Regular priceUnit price / per -
SunCoast 6L80E Category 0 Raybestos Rebuild Kit
Regular price $1,695.00 USDSale price $1,695.00 USD Regular priceUnit price / per -
SunCoast 6L80E Category 1 Raybestos Rebuild Kit
Regular price $2,295.00 USDSale price $2,295.00 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!












