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 6L80E Extension Bushing - Teflon Coated Dura Bond
Regular price $28.55 USDSale price $28.55 USD Regular priceUnit price / per -
Suncoast 6L80E Heavy Duty 4-5-6 Clutch Apply Piston Kit
Regular price $225.00 USDSale price $225.00 USD Regular priceUnit price / per -
Suncoast 6L80E High Capacity 3-5-R Apply Ring
Regular price $89.00 USDSale price $89.00 USD Regular priceUnit price / per -
Suncoast 6L80E Intermediate Shaft
Regular price $1,055.00 USDSale price $1,055.00 USD Regular priceUnit price / per -
Suncoast 6L80E Intermediate Shaft & Hub
Regular price $1,914.00 USDSale price $1,914.00 USD Regular priceUnit price / per -
Suncoast 6L80E Intermediate Shaft w/ Powerglide Hub
Regular price $995.00 USDSale price $995.00 USD Regular priceUnit price / per -
Suncoast 6L80E Master Overhaul Kit
Regular price $2,572.50 USDSale price $2,572.50 USD Regular priceUnit price / per -
Suncoast 6L80E Overhaul Kit 2006+ Gaskets, Seals & Clutches - No Steels
Regular price $609.38 USDSale price $609.38 USD Regular priceUnit price / per -
Suncoast 6L80E Planetary Gear Set - 4140 Billet Steel Drive Plate
Regular price $3,243.75 USDSale price $3,243.75 USD Regular priceUnit price / per -
Suncoast 6L80E Rear Planetary Assembly with 4140 HTSR Billet Steel Drive Plate
Regular price $1,355.00 USDSale price $1,355.00 USD Regular priceUnit price / per -
Suncoast 6L80E Valve Body 2006-2010
Regular price $1,195.00 USDSale price $1,195.00 USD Regular priceUnit price / per -
Suncoast 6L80E Valve Body 2011-2016
Regular price $1,195.00 USDSale price $1,195.00 USD Regular priceUnit price / per -
Suncoast 6L80E/6L90E TORRINGTON THRUST BEARING KIT
Regular price $165.00 USDSale price $165.00 USD Regular priceUnit price / per -
Suncoast 6L90E 2006-On Racing Master Overhaul Rebuild Kit
Regular price $1,995.00 USDSale price $1,995.00 USD Regular priceUnit price / per -
Suncoast 6L90E 2007-On Performance Rebuild Kit w/ GPZ & Zpaks
Regular price $2,512.50 USDSale price $2,512.50 USD Regular priceUnit price / per -
Suncoast 6L90E Intermediate Shaft
Regular price $1,095.00 USDSale price $1,095.00 USD Regular priceUnit price / per -
Suncoast 6L90E Intermediate Shaft w/ Powerglide Hub
Regular price $1,095.00 USDSale price $1,095.00 USD Regular priceUnit price / per -
Suncoast 6L90E Rear Planetary Assembly with 4140 HTSR Billet Steel Drive Plate
Regular price $1,355.00 USDSale price $1,355.00 USD Regular priceUnit price / per -
Suncoast 6R140 BILLET E CLUTCH DAMPER
Regular price $1,295.00 USDSale price $1,295.00 USD Regular priceUnit price / per -
SunCoast 6R140 Billet Flex Plate
Regular price $595.00 USDSale price $595.00 USD Regular priceUnit price / per -
Suncoast 6R140 CAT 0 400 HP REBUILD KIT (CLUTCHES AND STEEL ONLY)
Regular price $1,995.00 USDSale price $1,995.00 USD Regular priceUnit price / per -
Suncoast 6R140 CAT 1 550 HP REBUILD KIT (WITHOUT CONVERTER) (NO FLEXPLATE)
Regular price $0.00 USDSale price $0.00 USD Regular priceUnit price / per -
Suncoast 6R140 CAT 1 550 HPREBUILD KIT (WITHOUT CONVERTER)
Regular price $3,995.00 USDSale price $3,995.00 USD Regular priceUnit price / per -
Suncoast 6R140 CAT 2 750 HP+ REBUILD KIT (WITHOUT CONVERTER)
Regular price $5,195.00 USDSale price $5,195.00 USD Regular priceUnit price / per -
Suncoast 6R140 CAT 2 750 HP+ REBUILD KIT (WITHOUT CONVERTER) (NO FLEXPLATE)
Regular price $0.00 USDSale price $0.00 USD Regular priceUnit price / per -
Suncoast 6R140 CAT 3 550 HP REBUILD KIT (WITHOUT CONVERTER) (NO FLEXPLATE)
Regular price $0.00 USDSale price $0.00 USD Regular priceUnit price / per -
Suncoast 6R140 CAT 3 550 HP REBUILD KIT (WITHOUT CONVERTER) (WITH FLEXPLATE)
Regular price $0.00 USDSale price $0.00 USD Regular priceUnit price / per -
Suncoast 6R140 CAT 4 750 HP+ REBUILD KIT (WITHOUT CONVERTER) (NO FLEXPLATE)
Regular price $0.00 USDSale price $0.00 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!



















