LLY Duramax | 2004.5–2005
Shop parts for 2004.5–2005 GM trucks equipped with the 6.6L LLY Duramax. Browse injectors, fuel system components, turbo and intake upgrades, cooling system parts, engine components, transmission upgrades, maintenance items, and performance parts selected for LLY applications. Always verify your exact year, model, and product fitment before ordering.
WC Fab Stage 2 4-inch Intake Kit - Cat Yellow - LLY Duramax
Exergy 550 Alpha Stroker CP3 Pump - LBZ Based - LLY Duramax
S&S Diesel 100% Over SAC Injector Nozzle Set - LLY Duramax
KC Turbos Balanced Assembly DIY Turbo Kit - Extreme - LLY Duramax
HSP Diesel Max Flow VGT Intake Mouthpiece - Illusion Blueberry - LLY Duramax
S&S Diesel 45% Over SAC Injector Set - LLY Duramax
HSP Diesel Max Flow VGT Intake Mouthpiece - Raw - LLY Duramax
HSP Diesel Max Flow VGT Intake Mouthpiece - Black - LLY Duramax
PPE Silicone Hose & Clamp Kit - TopKick/Kodiak - LLY Duramax
B&W Turnover Ball Gooseneck Hitch - 2001-2010 GM HD
Edge Evolution CTS3 50-State Legal Programmer - 2001-2016 GM Duramax
Edge Evolution CTS3 Programmer / Monitor - 2001-2016 GM Duramax
Fleece Billet Rocker Arm Bridge Set - 2001-2019 GM Duramax
BD Diesel Remote Fuel Filter Replacement Cartridge - 2001-2012 GM Duramax
PPE Low Profile Allison Transmission Pan - Black - 2001-2019 GM Duramax
PPE Low Profile Allison Transmission Pan - Brushed - 2001-2019 GM Duramax
FASS No Drop Series Fuel System - 900-1200 HP - 2001-2016 GM Duramax
FASS Titanium Signature Series 290GPH - 2001-2016 GM Duramax
FASS Titanium Signature Series Plus 290GPH - 2001-2016 GM Duramax
FASS Titanium Signature Series Plus 250GPH - 2001-2016 GM Duramax
FASS No Drop Series Fuel System - Stock-600 HP - 2001-2010 GM Duramax
FASS No Drop Series Fuel System - 600-1000 HP - 2001-2010 GM Duramax
PPE Electric Fuel Lift Pump - GM Duramax - 113050000
Merchant Automotive Rear Engine Cover - 2001-2010 GM Duramax
Shopping LLY Duramax | 2004.5–2005
Hilltop Diesel Performance organizes parts around real truck fitment so you can move from platform to the component you need without digging through an unrelated catalog. For Duramax applications, start with your exact year and engine, then verify configuration-specific notes on the product page before ordering.
Common upgrade and service paths include fuel delivery, injectors, turbochargers, intake and charge-air parts, exhaust, cooling, transmission components, filtration, sensors, gaskets, hardware and supporting installation parts.