Collection: 2004.5-2005 6.6L LLY Duramax Transmission
2004.5-2005 6.6L LLY Duramax Transmission Parts
Enhance the performance and durability of your 2004.5-2005 6.6L LLY Duramax with our premium transmission parts. Designed to improve shifting precision, increase towing capacity, and extend transmission life, these components are ideal for those looking to push their truck to the limit. Whether you're...
-
Suncoast Reamer Tool Kit For 77754-09K, 34200-16K, SC-4L80E & SC-4L60E
Regular price $717.52 USDSale price $717.52 USD Regular priceUnit price / per -
Suncoast 4L80E / 4L85E Catch Can & Hardware Kit
Regular price $352.50 USDSale price $352.50 USD Regular priceUnit price / per -
Suncoast 4L60E Transmission Filter - Deep Pan Only, '97 & Up
Regular price $40.88 USDSale price $40.88 USD Regular priceUnit price / per -
Suncoast Trick-Stick Locking Dipstick & Tube kit - Bell Mount, 26" Forward Bent
Regular price $152.38 USDSale price $152.38 USD Regular priceUnit price / per -
Suncoast 300M Output Shaft, 2-Piece, Shortened for #701935 - 6.260" Overall Length, 3.685" Spline Length
Regular price $972.50 USDSale price $972.50 USD Regular priceUnit price / per -
Suncoast 4L60 & 700R4 Input Shaft - 300M, 30 Spline, Late, w/ Capsule
Regular price $772.50 USDSale price $772.50 USD Regular priceUnit price / per -
Suncoast 4L60E Transmission Filter - '93 - '14, Does Not Fit Corvette
Regular price $42.25 USDSale price $42.25 USD Regular priceUnit price / per -
Suncoast Extension Housing w/ Roller Bearing Tail For 300M Output ATI Racing #705241
Regular price $460.17 USDSale price $460.17 USD Regular priceUnit price / per -
Suncoast ALLISON DEEP FILTER
Regular price $23.00 USDSale price $23.00 USD Regular priceUnit price / per -
Suncoast ALLISON SHALLOW FILTER
Regular price $17.00 USDSale price $17.00 USD Regular priceUnit price / per -
Suncoast Hardened Sun Shell - The Beast
Regular price $155.00 USDSale price $155.00 USD Regular priceUnit price / per -
Suncoast 4L80E / 4L85E Bushing Kit - '97-Up
Regular price $105.38 USDSale price $105.38 USD Regular priceUnit price / per -
Suncoast ALLISON SHALLOW FILTER W SPIN ON
Regular price $95.00 USDSale price $95.00 USD Regular priceUnit price / per -
Suncoast OEM Intermediate High Energy Band
Regular price $84.88 USDSale price $84.88 USD Regular priceUnit price / per -
Suncoast ALLISON DEEP W/LOC AND SPIN ON
Regular price $89.00 USDSale price $89.00 USD Regular priceUnit price / per -
Suncoast ALLISON DEEP FILTER W/SPIN ON
Regular price $79.00 USDSale price $79.00 USD Regular priceUnit price / per -
Suncoast Shift Cable Mount Bracket
Regular price $42.55 USDSale price $42.55 USD Regular priceUnit price / per -
Suncoast Planetary Rebuild Kit
Regular price $66.73 USDSale price $66.73 USD Regular priceUnit price / per -
Suncoast Pinion Thrust Washer - Pack of 8
Regular price $11.53 USDSale price $11.53 USD Regular priceUnit price / per -
Suncoast Pinion Washer - Pack of 8
Regular price $10.60 USDSale price $10.60 USD Regular priceUnit price / per -
Suncoast Pinion Pin - Pack of 4
Regular price $36.23 USDSale price $36.23 USD Regular priceUnit price / per -
Suncoast Direct Drum Sleeve Kit
Regular price $94.60 USDSale price $94.60 USD Regular priceUnit price / per -
Suncoast Heavy Duty Intermediate Clutch Outer Sprag Race
Regular price $120.23 USDSale price $120.23 USD Regular priceUnit price / per -
Suncoast Forward & Direct Clutch Inner Snap Ring - Pack of 5
Regular price $28.25 USDSale price $28.25 USD Regular priceUnit price / per -
Suncoast Sonnax TH400 Smart-Tech Drum Module
Regular price $3,295.00 USDSale price $3,295.00 USD Regular priceUnit price / per -
Suncoast Front/Rear Unit Endplay Shim - Pack of 10
Regular price $21.00 USDSale price $21.00 USD Regular priceUnit price / per -
Suncoast EPC Solenoid Harness Adapter
Regular price $42.35 USDSale price $42.35 USD Regular priceUnit price / per -
Suncoast Forward Clutch Hub Washer (Rear) 0.094" - Pack of 5
Regular price $60.88 USDSale price $60.88 USD Regular priceUnit price / per
2004.5-2005 6.6L LLY Duramax Transmission Parts
Enhance the performance and durability of your 2004.5-2005 6.6L LLY Duramax with our premium transmission parts. Designed to improve shifting precision, increase towing capacity, and extend transmission life, these components are ideal for those looking to push their truck to the limit. Whether you're hauling heavy loads, off-roading, or just enhancing your driving experience, our high-performance transmission parts are built to withstand extreme conditions.
High-Performance Transmission Parts for 6.6L LLY Duramax
Our transmission parts for the 2004.5-2005 6.6L LLY Duramax are built to provide long-lasting performance and reliability. These upgrades include heavy-duty torque converters, transmission cooler kits, billet transmission pans, shift kits, and more. Each component is designed to handle the increased power and torque generated by the Duramax engine, providing improved shifting performance, better heat management, and greater overall durability.
Why Choose Our Transmission Parts?
Upgrading your 2004.5-2005 6.6L LLY Duramax transmission with our high-performance parts ensures that your transmission can handle heavy-duty applications with ease. Whether you're towing, racing, or off-roading, these parts enhance your transmission’s capability and longevity. Our parts are designed to reduce wear and tear, prevent overheating, and maintain smoother shifting, providing an overall better driving experience.
Key Features:
- Improved Shifting Performance: Shift kits and components for smoother and more responsive shifts.
- Enhanced Durability: Heavy-duty parts designed to handle higher power and extreme conditions.
- Better Heat Management: Transmission cooler kits and billet pans to prevent overheating and extend transmission life.

























