LLY Duramax Parts
Parts for the LLY Duramax (2004.5 to 2005).
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AMP Research 1999-2006 Chevy/GMC Silverado/Sierra Extended/Crew PowerStep - Black
AMP ResearchOriginal price $1,599.99 - Original price $1,599.99Original price$1,599.99$1,599.99 - $1,599.99Current price $1,599.99| /Getting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invented the patented PowerStep , the automatic, electr...
View full detailsOriginal price $1,599.99 - Original price $1,599.99Original price$1,599.99$1,599.99 - $1,599.99Current price $1,599.99| / -
Pusher SuperMax Y-Bridge for 2004.5-2005 Duramax LLY Trucks
Pusher IntakesOriginal price $499.99 - Original price $499.99Original price$499.99$499.99 - $499.99Current price $499.99| /5.0 / 5.0
2 Reviews
Pusher Intakes Model PGD0405YB This product is not emissions compliant. Off-road use only. The Pusher SuperMax Y-Bridge is available by itself to a...
View full detailsOriginal price $499.99 - Original price $499.99Original price$499.99$499.99 - $499.99Current price $499.99| / -
Fleece Performance 01-17 GM Duramax Billet Coolant Block Off Plate
Fleece PerformanceOriginal price $0.00 - Original price $0.00Original price $0.00$55.00$55.00 - $55.00Current price $55.00| /Fleece Performance Billet Coolant Block Off Plate Fits 2001-2017 GM 6.6L Duramax A direct replacement for the factory coolant crossover on the Dura...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$55.00$55.00 - $55.00Current price $55.00| / -
Kryptonite Lower Ball Joint For Stock Lower Control Arm For 2001–2010 Chevy/GMC HD Trucks
KryptoniteOriginal price $56.99 - Original price $56.99Original price$56.99$56.99 - $56.99Current price $56.99| /Fits: 2001–2010 Chevy/GMC 2500HD, 3500HD2002–2009 Hummer H2 (8 Lug Trucks Only) Important Fitment Info: This replacement lower ball joint fits eith...
View full detailsOriginal price $56.99 - Original price $56.99Original price$56.99$56.99 - $56.99Current price $56.99| /Sold out -
Smeding Diesel S300 Direct Bolt In Turbo 04.5-10 Duramax
SmedingOriginal price $2,195.00 - Original price $2,740.00Original price$2,195.00$2,195.00 - $2,740.00Current price $2,195.00| /Smeding Diesel 04.5-10 Duramax S300 Direct Bolt In Turbocharger This turbo utilizes our S300 frame NON VGT Turbochargers and is setup to bolt in w...
View full detailsOriginal price $2,195.00 - Original price $2,740.00Original price$2,195.00$2,195.00 - $2,740.00Current price $2,195.00| / -
FASS 01-10 GM 2500/3500 Duramax 100gph Titanium Series Fuel Air Separation System TS C10 100G
FASS Fuel SystemsOriginal price $751.58Original price $751.58 - Original price $751.58Original price $751.58Current price $714.00$714.00 - $714.00Current price $714.00| /Fass Fuel Systems Model: TSC10100GFASS Fuel Systems Diesel System 2001-2010 GM Duramax 6.6L Titanium Signature Series 100GPH (TSC10100G) Part No: T...
View full detailsOriginal price $751.58Original price $751.58 - Original price $751.58Original price $751.58Current price $714.00$714.00 - $714.00Current price $714.00| /Save 5% Save % -
Schaeffer's 9000 SynShield OTR Plus Full Synthetic 5W-40
Schaeffer'sOriginal price $191.28 - Original price $360.54Original price$191.28$191.28 - $360.54Current price $191.28| /5.0 / 5.0
2 Reviews
9000 SynShield® OTR Plus 5W-40 Diesel Engine Oil is a premium advanced performance, fully synthetic, heavy-duty diesel engine oil formulated to pro...
View full detailsOriginal price $191.28 - Original price $360.54Original price$191.28$191.28 - $360.54Current price $191.28| / -
Kryptonite Replacement Outer Tie Rod End (fabtech Rts And Mcgaughys Lift Kits)
KryptoniteOriginal price $56.99 - Original price $56.99Original price$56.99$56.99 - $56.99Current price $56.99| /Fits; 1999-2022 GM 1500/2500/3500 Trucks Equipped with a Fabtech RTS Lift, McGaughys Lift, Other lifts kits that utilize a 3/4 Taper Stud Outer Rod...
View full detailsOriginal price $56.99 - Original price $56.99Original price$56.99$56.99 - $56.99Current price $56.99| / -
Kryptonite Ultimate Front End Package For 2001–2010 Chevy/GMC 1500HD/2500HD/3500 Trucks
KryptoniteOriginal price $1,424.99 - Original price $1,424.99Original price$1,424.99$1,424.99 - $1,424.99Current price $1,424.99| /Fits: 2001–2007 Chevy Silverado / GMC Sierra 1500HD 2001–2010 Chevy Silverado / GMC Sierra 2500HD 2001–2010 Chevy Silverado / GMC Sierra 3500HD Im...
View full detailsOriginal price $1,424.99 - Original price $1,424.99Original price$1,424.99$1,424.99 - $1,424.99Current price $1,424.99| / -
Replacement Poly Bump Stop For Kryptonite Upper Control Arms For 2001–2010 Chevy/GMC HD Trucks
KryptoniteOriginal price $8.54 - Original price $8.54Original price$8.54$8.54 - $8.54Current price $8.54| /5.0 / 5.0
1 Review
Fits; 2001–2010 Chevrolet & GMC 1500HD / 2500HD / 3500 Trucks equipped with Kryptonite Upper Control Arms Part# M21017-BK-01 Description: This ...
View full detailsOriginal price $8.54 - Original price $8.54Original price$8.54$8.54 - $8.54Current price $8.54| / -
Kryptonite Front Lower Bump Stops For Chevy/GMC 1500HD/2500HD/3500HD Trucks
KryptoniteOriginal price $47.49 - Original price $47.49Original price$47.49$47.49 - $47.49Current price $47.49| /5.0 / 5.0
2 Reviews
Fits; 2001–2010 Chevrolet & GMC 1500HD / 2500HD / 3500 Trucks Part# KR1426 Description: Over time, factory bump stops wear out from repeated su...
View full detailsOriginal price $47.49 - Original price $47.49Original price$47.49$47.49 - $47.49Current price $47.49| / -
Kryptonite Sway Bar End Links 7–9" For 2001–2010 Chevy/GMC HD Trucks
KryptoniteOriginal price $110.19 - Original price $110.19Original price$110.19$110.19 - $110.19Current price $110.19| /Fits; 2001–2019 Chevrolet & GMC 1500HD / 2500HD / 3500 Trucks, Also fits most other GM trucks Important Fitment Info: For use with 7”–9” lift...
View full detailsOriginal price $110.19 - Original price $110.19Original price$110.19$110.19 - $110.19Current price $110.19| / -
Kryptonite Sway Bar End Links 4–6" For 2001–2010 Chevy/GMC HD Trucks
KryptoniteOriginal price $105.44 - Original price $105.44Original price$105.44$105.44 - $105.44Current price $105.44| /Fits; 2001–2019 Chevrolet & GMC 1500HD / 2500HD / 3500 Trucks Important Fitment Info: For use with 4”–6” lifted trucks only Measures 11” hole ...
View full detailsOriginal price $105.44 - Original price $105.44Original price$105.44$105.44 - $105.44Current price $105.44| / -
Kryptonite Tie Rod Kit For 2001–2010 Chevy/GMC 1500HD/2500HD/3500HD & 2002–2009 Hummer H2
KryptoniteOriginal price $360.99 - Original price $360.99Original price$360.99$360.99 - $360.99Current price $360.99| /Fits: 2001–2010 Chevrolet / GMC 2500HD & 3500HD, Hummer H2 Important Fitment Info:These tie rods are designed for trucks using a factory-style ...
View full detailsOriginal price $360.99 - Original price $360.99Original price$360.99$360.99 - $360.99Current price $360.99| / -
S&B Filters 76-1006B Turbo Inlet Manifold
S&BOriginal price $195.00 - Original price $195.00Original price$195.00$195.00 - $195.00Current price $195.00| /S&B Model 76-1006BEvolution at its BestThe S&B 76-1006B Turbo Inlet Manifold for your 2004.5-2005 GM 6.6L Duramax went through dramatic cha...
View full detailsOriginal price $195.00 - Original price $195.00Original price$195.00$195.00 - $195.00Current price $195.00| / -
Pro Form Fab 2000-2010 Chevy/GMC 2500/3500 Rear Lift Blocks
Pro Form FabOriginal price $0.00 - Original price $0.00Original price $0.00$119.95$119.95 - $174.95Current price $119.95| /2000 - 2010 Chevy/GMC 2500/3500 Product Description: We are proud to bring you our Heavy Duty fabricated rear lift blocks. These CNC cut, jig...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$119.95$119.95 - $174.95Current price $119.95| / -
Wehrli Big Hitch Products 2001-2010 GM 2500 / 3500 BEHIND Roll Pan 2.5" Inch Hidden Receiver Hitch
WehrliOriginal price $549.00 - Original price $549.00Original price$549.00$549.00 - $549.00Current price $549.00| /Wehrli Big Hitch Products Model BHP1015, BHP1029 - SAE J684-05 certified- Class 4+ Receiver- Complete bolt in design- All necessary hardware inclu...
View full detailsOriginal price $549.00 - Original price $549.00Original price$549.00$549.00 - $549.00Current price $549.00| / -
ARP GM Duramax 6.6L Harmonic Balancer Bolt Kit
ARPOriginal price $30.42 - Original price $30.42Original price$30.42$30.42 - $30.42Current price $30.42| /ARP Model 129-2503ARP GM Duramax 6.6L Harmonic Balancer Bolt Kit
Original price $30.42 - Original price $30.42Original price$30.42$30.42 - $30.42Current price $30.42| / -
Schaeffer's 9012 SynShield OTR Plus Full Synthetic 10W-30
Schaeffer'sOriginal price $297.10 - Original price $360.54Original price$297.10$297.10 - $360.54Current price $297.10| /5.0 / 5.0
2 Reviews
SynShield® OTR Plus 10W-30 Diesel Engine Oil is a premium advanced performance, fully synthetic, heavy-duty diesel engine oil formulated to provide...
View full detailsOriginal price $297.10 - Original price $360.54Original price$297.10$297.10 - $360.54Current price $297.10| / -
Smeding Diesel S467 T4 Turbocharger
SmedingOriginal price $1,150.00 - Original price $1,780.00Original price$1,150.00$1,150.00 - $1,780.00Current price $1,150.00| /S467 t4 turbocharger
Original price $1,150.00 - Original price $1,780.00Original price$1,150.00$1,150.00 - $1,780.00Current price $1,150.00| / -
Smeding Diesel S464 T4 Turbocharger
SmedingOriginal price $975.00 - Original price $1,510.00Original price$975.00$975.00 - $1,510.00Current price $975.00| /s464 t4 turbocharger
Original price $975.00 - Original price $1,510.00Original price$975.00$975.00 - $1,510.00Current price $975.00| / -
XDP X-tra Cool Direct-fit Transmission Oil Cooler XD309
XDPOriginal price $235.95 - Original price $235.95Original price$235.95$235.95 - $235.95Current price $235.95| /XDP Model XD309The XDP X-TRA Cool Direct-Fit Transmission Oil Cooler XD309 is a direct upgrade for the factory transmission oil cooler in your 2001...
View full detailsOriginal price $235.95 - Original price $235.95Original price$235.95$235.95 - $235.95Current price $235.95| / -
Wehrli 01-16 Chevrolet 6.6L LB7/LLY/LBZ/LMM/LML Duramax Up Pipe Bolt Kit
WehrliOriginal price $0.00 - Original price $0.00Original price $0.00$36.86$36.86 - $36.86Current price $36.86| /Wehrli Model WCF100240 ARP Bolt kit for 2001-2016 Duramax Up Pipes or LB7 Turbo Down pipe. 6 Washers and Bolts for installing 1 up pipe. Includes A...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$36.86$36.86 - $36.86Current price $36.86| / -
GM Remanufactured CP3 Injection Pump For 01-04 LB7 Duramax Stock Industrial Injection
Industrial InjectionOriginal price $634.95Original price $634.95 - Original price $634.95Original price $634.95Current price $615.90$615.90 - $615.90Current price $615.90| /Industrial Injection Model: 0986437303SE-IISThe modified CP3 and CP4 Injection pumps offered by Industrial Injection are a drop in replacement for ...
View full detailsOriginal price $634.95Original price $634.95 - Original price $634.95Original price $634.95Current price $615.90$615.90 - $615.90Current price $615.90| /Save 3% Save %
The LLY Duramax powered 2004.5 to 2005 Chevy Silverado HD and GMC Sierra HD trucks. It was the first Duramax with a variable geometry turbo and EGR, which helps it spool faster than the LB7.
Shop LLY Duramax Parts by Category
- Engine Parts
- Fuel System
- Fuel Injectors
- Intakes and Cooling
- Turbos and Exhaust
- Tuning
- Transmissions
- Suspension and Driveline
- Fluids
- Performance Packages
Not sure what fits? Send us your VIN or call 865.640.2097 and we will match the right part.
LLY Duramax FAQ
What is different about the LLY versus the LB7?
The LLY added a variable geometry turbo and EGR for faster spool and lower emissions.
Are LLY trucks known for overheating?
Some early LLY trucks ran hotter under load. Upgraded cooling parts are a common fix for trucks that tow heavy.