Suncoast Transmission
Suncoast 47RE Guardian 400 HP Towing Transmission 2WD w/Converter No Flexplate (SC-47RE-GUARDIAN-9698-2WD) for 1996-1998 Cummins 5.9L
The Suncoast 47RE Guardian is a heavy-duty transmission for 1996–1998 2WD Dodge Rams with a 5.9L Cummins engine, built to handle up to 400 HP. Designed for towing and tough use, it includes a custom torque converter for better performance but excludes a flexplate. It’s a durable upgrade over stock, made by the trusted brand Suncoast.
Suncoast 47RE Guardian 400 HP Towing Transmission 4WD w/Converter No Flexplate (SC-47RE-GUARDIAN-9698-4WD) for 1996-1998 Cummins 5.9L
The Suncoast 47RE Guardian 400 HP Towing Transmission is a heavy-duty upgrade for 1996–1998 Dodge Ram 5.9L Cummins 4WD trucks, built to handle up to 400 horsepower. It offers stronger durability, better shifts, and greater torque capacity for serious towing, includes a high-quality torque converter, and is ideal for those needing reliable performance under heavy loads.
Suncoast 450HP 47RH Transmission with Torque Converter 4WD (SC-47RHCAT1-9495-4WD) for 1994-1995 Cummins 5.9L
The Suncoast 450HP 47RH Transmission with Torque Converter is a heavy-duty upgrade for 1994–1995 Dodge trucks with the Cummins 5.9L diesel engine, built to handle up to 450 horsepower. It boosts durability, towing capacity, and performance with a precision-tuned torque converter, making it ideal for work, daily driving, or off-road use.
Suncoast 450HP 47RH Transmission with Torque Converter 2WD (SC-47RHCAT1-9495-2WD) for 1994-1995 Cummins 5.9L
The Suncoast 450HP 47RH Transmission with Torque Converter is a high-performance upgrade for 1994–1995 2WD Dodge Rams with the 5.9L Cummins engine, built to handle up to 450 horsepower with enhanced durability, efficiency, and power transfer—ideal for towing, daily driving, or performance builds.
SunCoast CAT4 950+ HP Custom Allison Transmission w/ Converter (GMAX-CAT4-LBZ-0607-4WD) for 2006-2007 Duramax LBZ
SunCoast Cat 4 Transmission w/ Converter 2WD (GMAX-CAT4-LBZ-0607-2WD)
SunCoast 68RFE CAT3 750HP Transmission 2WD w/ Converter & Flex Plate (SC-68RFE-3-19UP-2WD) for 2019+ Cummins 6.7L 2500/3500
The 68RFE 2WD transmission is the big brother to the 45/545RFE transmission. The RFE platform was originally designed by Chrysler and was introduced in 1999 with the debut of the new Jeep Grand Cherokee. “RFE” stands for Rear-wheel drive Fully Electronic control. The RFE design was mostly noted in the new design to have 3 planetary sets for a 4-speed transmission in the 45RFE.
SunCoast 68RFE CAT3 750HP Transmission 4WD w/ Converter & Flex Plate (SC-68RFE-3-19UP-4WD) for 2019+ Cummins 6.7L 2500/3500
The 68RFE 4WD transmission is the big brother to the 45/545RFE transmission. The RFE platform was originally designed by Chrysler and was introduced in 1999 with the debut of the new Jeep Grand Cherokee. “RFE” stands for Rear-wheel drive Fully Electronic control. The RFE design was mostly noted in the new design to have 3 planetary sets for a 4-speed transmission in the 45RFE.
Suncoast CAT 3 E4OD 450HP Transmission 4WD with Billet Triple-Disc Torque Converter
E40D 400HP Transmission with Billet Triple-Disc Torque Converter
Upgrade your vehicle’s performance with the ultimate transmission package – the E40D 400HP Transmission with Billet Triple-Disc Torque Converter! Experience unmatched power, durability, and efficiency on the road. Don’t settle for less, take your ride to the next level and get yours now!
SUNCOAST ALLISON CAT1 500HP REBUILD KIT WITH CONVERTER (GMAX-CAT1-LB7LLY-KIT) FOR 2001-2005 DURAMAX LB7 / LLY
The SunCoast Allison CAT1 500HP Rebuild Kit with Converter (GMAX-CAT1-LB7LLY-KIT) is a heavy-duty transmission upgrade for 2001–2005 Duramax LB7 and LLY trucks. Designed to support up to 500 horsepower, it includes premium clutches, steels, gaskets, seals, and a high-performance torque converter to boost strength, reliability, and efficiency. Ideal for towing, racing, or high-demand use, the kit enhances durability and drivability for Allison 1000 transmissions.
SUNCOAST ALLISON CAT1 REBUILD KIT WITHOUT CONVERTER (GMAX-CAT1-L5P-KIT-LC) FOR 2017-2019 DURAMAX L5P
The SunCoast Allison CAT1 Rebuild Kit without Converter (GMAX-CAT1-L5P-KIT-LC) is a high-performance transmission rebuild kit for 2017–2019 Duramax L5P trucks with Allison transmissions. Designed for heavy-duty and high-power use, it includes upgraded clutches, seals, gaskets, and hardware to enhance durability, reliability, and torque handling. Ideal for those rebuilding or upgrading without replacing the torque converter, it’s a trusted choice for towing, hauling, and performance applications.
SUNCOAST ALLISON CAT1 500 HP REBUILD KIT WITH CONVERTER (GMAX-CAT1-LBZLMM-KIT) FOR 2006-2010 DURAMAX LBZ / LMM
The SunCoast Allison CAT1 500 HP Rebuild Kit with Converter (GMAX-CAT1-LBZLMM-KIT) is a high-performance transmission upgrade for 2006–2010 Duramax LBZ and LMM trucks. Designed to handle up to 500 horsepower, it includes upgraded clutches, steels, gaskets, and a precision-built torque converter for better torque transfer and efficiency. Ideal for towing, daily driving, and moderate performance use, the kit improves shift quality, holding capacity, and transmission reliability. It’s a durable, trusted solution backed by SunCoast’s reputation for quality and innovation.