LLY Duramax Parts
Parts for the LLY Duramax (2004.5 to 2005).
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Kryptonite Idler Support Frame Gusset For 2001 to 2010 Chevy/GMC 1500HD/2500HD/3500 Trucks
KryptoniteOriginal price $85.49 - Original price $85.49Original price$85.49$85.49 - $85.49Current price $85.49| /Fits; 2001–2010 Chevy/GMC 2500HD / 3500HD Part# KRGUSSET10 Features: 1/4" Plate Steel Made in the USA DescriptionEngineered exclusively for the e...
View full detailsOriginal price $85.49 - Original price $85.49Original price$85.49$85.49 - $85.49Current price $85.49| / -
KC Billet Unison Ring | 6.0 Powerstroke, LLY and LBZ Duramax
Kc TurboOriginal price $159.00 - Original price $159.00Original price$159.00$159.00 - $159.00Current price $159.00| /KC Billet Unison Ring for the 6.0 Powerstroke, LLY and LBZ Duramax. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in ...
View full detailsOriginal price $159.00 - Original price $159.00Original price$159.00$159.00 - $159.00Current price $159.00| / -
S&B Cold Air Intake Kit 75-5102, Cleanable Filter
S&BOriginal price $399.00 - Original price $399.00Original price$399.00$399.00 - $399.00Current price $399.00| /S&B Model 75-5102Outflow the factory air intake system in your 2004.5-2005 GM 6.6L Duramax LLY with the S&B Filters 75-5102 Cold Air Intake...
View full detailsOriginal price $399.00 - Original price $399.00Original price$399.00$399.00 - $399.00Current price $399.00| / -
XDP Duramax Cat Adapter With 1R-0750 Filter, Bleeder Screw & Spacer XD171
XDPOriginal price $109.95 - Original price $109.95Original price$109.95$109.95 - $109.95Current price $109.95| /XDP Model XD171The XDP Duramax CAT Adapter with 1R-0750 Filter, Bleeder Screw & Spacer XD171 is an easy way to upgrade the fuel filter on your ...
View full detailsOriginal price $109.95 - Original price $109.95Original price$109.95$109.95 - $109.95Current price $109.95| / -
H&S 72mm BorgWarner SX-E Turbo, 1.0 Turbine Housing
H&S MotorsportsOriginal price $0.00 - Original price $0.00Original price $0.00$1,300.00$1,300.00 - $1,300.00Current price $1,300.00| /H&S Motorsports Model 565811-10 Applications Universal Description We have performed extensive testing of BorgWarner's new SX-E line of...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$1,300.00$1,300.00 - $1,300.00Current price $1,300.00| / -
H&S 66mm BorgWarner SX-E Turbo, .91 Turbine Housing
H&S MotorsportsOriginal price $0.00 - Original price $0.00Original price $0.00$1,250.00$1,250.00 - $1,250.00Current price $1,250.00| /H&S Motorsports Model 565805 Applications Universal Description We have performed extensive testing of BorgWarner's new SX-E line of tu...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$1,250.00$1,250.00 - $1,250.00Current price $1,250.00| / -
BorgWarner S400 Turbo Repair Kit
BorgWarnerOriginal price $182.93 - Original price $182.93Original price$182.93$182.93 - $182.93Current price $182.93| /BorgWarner S400 Turbo Repair Kit. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN. Part number: 31839...
View full detailsOriginal price $182.93 - Original price $182.93Original price$182.93$182.93 - $182.93Current price $182.93| / -
Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax Driver Side 3in Intercooler Pipe
WehrliOriginal price $0.00 - Original price $0.00Original price $0.00$305.55$305.55 - $305.55Current price $305.55| /Wehrli Model WCF100352 LLY, LBZ, LMM Duramax One Piece High Flow 3" Driver Side Intercooler pipe. Replaces the 2 1/2" OEM inter cooler with a full ...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$305.55$305.55 - $305.55Current price $305.55| / -
Wehrli 2 Inch Stainless Driver Side Up Pipe | 2001 to 2016 Duramax
WehrliOriginal price $0.00 - Original price $0.00Original price $0.00$334.65$334.65 - $334.65Current price $334.65| /Wehrli Model WCF100652Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Driver Side Up Pipe w/Gaskets (Single/Twin Turbo) Replace the lightweight 1...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$334.65$334.65 - $334.65Current price $334.65| / -
Wehrli License Plate Mount Bracket
WehrliOriginal price $0.00 - Original price $0.00Original price $0.00$92.00$92.00 - $92.00Current price $92.00| /Wehrli License Plate Mount Bracket. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN. Part number: BHP...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$92.00$92.00 - $92.00Current price $92.00| / -
Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting
WehrliOriginal price $0.00 - Original price $0.00Original price $0.00$40.74$40.74 - $40.74Current price $40.74| /Wehrli 1999 to 2023 GM Billet Coolant Heater Core Firewall Fitting. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in ...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$40.74$40.74 - $40.74Current price $40.74| / -
S&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) -New
S&SOriginal price $2,743.00 - Original price $2,743.00Original price$2,743.00$2,743.00 - $2,743.00Current price $2,743.00| /S&S Model CP3-DMX-12-HSS&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) | New LBZ-based. 2001-2010 Duramax T...
View full detailsOriginal price $2,743.00 - Original price $2,743.00Original price$2,743.00$2,743.00 - $2,743.00Current price $2,743.00| / -
S&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) - New
S&SOriginal price $1,273.00 - Original price $1,273.00Original price$1,273.00$1,273.00 - $1,273.00Current price $1,273.00| /S&S Model CP3-DMX-SSS&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) S&S Duramax CP3 pumps are built from brand...
View full detailsOriginal price $1,273.00 - Original price $1,273.00Original price$1,273.00$1,273.00 - $1,273.00Current price $1,273.00| / -
S&S Diesel Motorsport LLY Duramax (2004.5-2005 )TorqueMaster Injectors Set - Reman or New
S&SOriginal price $2,888.00 - Original price $3,352.00Original price$2,888.00$2,888.00 - $3,352.00Current price $2,888.00| /S&S Model LLY-10SAC-R-SET (Reman) or LLY-10SAC-SET (New)LLY TorqueMaster Injector -Set S&S Upgrades Proprietary nozzle honing process fo...
View full detailsOriginal price $2,888.00 - Original price $3,352.00Original price$2,888.00$2,888.00 - $3,352.00Current price $2,888.00| / -
XDP Xtra Cool Water Pump with Housing XD666
XDPOriginal price $157.95 - Original price $157.95Original price$157.95$157.95 - $157.95Current price $157.95| /XDP Model XD6662001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxThe XDP X-TRA Cool Water Pump (With Housing)...
View full detailsOriginal price $157.95 - Original price $157.95Original price$157.95$157.95 - $157.95Current price $157.95| / -
Wehrli 04.5-16 Chevrolet 6.6L LLY/LBZ/LMM/LML Duramax VGT Exhaust Housing Heat Blanket
WehrliOriginal price $0.00 - Original price $0.00Original price $0.00$155.20$155.20 - $155.20Current price $155.20| /Wehrli Model WCF100733Wehrli 04.5-16 Chevrolet 6.6L LLY/LBZ/LMM/LML Duramax VGT Exhaust Housing Heat Blanket - VGT turbo heat blanket for 2004.5-20...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$155.20$155.20 - $155.20Current price $155.20| / -
Fleece Performance Duramax Remote Turbo Oil Feed Line Kit for 01-16 Duramax/w 1/4 NPT Oil Inlet
Fleece PerformanceOriginal price $0.00 - Original price $0.00Original price $0.00$99.99$99.99 - $99.99Current price $99.99| /Fleece Performance Model FPE-DTFL-S3S4-0116Problem: The factory turbo oil feed used on 2001-2016 Duramax's is supplied off of the #4 cam journal be...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$99.99$99.99 - $99.99Current price $99.99| / -
Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler
MishimotoOriginal price $346.00Original price $346.00 - Original price $346.00Original price $346.00Current price $314.95$314.95 - $314.95Current price $314.95| /There's no greater enemy for a transmission than heat. Whether your 2003-2005 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...
View full detailsOriginal price $346.00Original price $346.00 - Original price $346.00Original price $346.00Current price $314.95$314.95 - $314.95Current price $314.95| /Save 9% Save % -
Rough Country 2 Inch Receiver D Ring Kit with Pin
Rough CountryOriginal price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95| /Rough Country 2 Inch Receiver D Ring Kit with Pin. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN. P...
View full detailsOriginal price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95| / -
Pusher Max HD Charge Tube Package for 2004.5-05 Duramax LLY Trucks
Pusher IntakesOriginal price $559.99 - Original price $559.99Original price$559.99$559.99 - $559.99Current price $559.99| /Pusher's Max HD charge tube package for the 2004.5 to 2005 LLY Duramax, with 93% more air and a secure fit on the factory Y bridge. Not emissions c...
View full detailsOriginal price $559.99 - Original price $559.99Original price$559.99$559.99 - $559.99Current price $559.99| / -
S&B Body Mount Kit | 2001 to 2005 GM 1500, 2500, 3500 Extended and Crew Cab
S&BOriginal price $499.00 - Original price $499.00Original price$499.00$499.00 - $499.00Current price $499.00| /S&B Body Mount Kit for the 2001 to 2005 GM 1500, 2500, 3500 Extended and Crew Cab. Sold and shipped by Powerhouse Diesel, a diesel repair and p...
View full detailsOriginal price $499.00 - Original price $499.00Original price$499.00$499.00 - $499.00Current price $499.00| / -
Kryptonite Solid Steel Tie Rod Sleeves Zinc Plated For 2001 to 2010 Chevy/GMC HD Trucks
KryptoniteOriginal price $33.24 - Original price $33.24Original price$33.24$33.24 - $33.24Current price $33.24| /Fits; 2001–2010 Chevrolet & GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD, 2001–2013 Chevrolet Suburban 2500 / GMC Yukon XL 2500, 2003–2009 Hummer...
View full detailsOriginal price $33.24 - Original price $33.24Original price$33.24$33.24 - $33.24Current price $33.24| / -
Kryptonite Press In Upper Ball Joint For Stock Control Arm For 2001 to 2010 Chevy/GMC HD Trucks & Hummer H2
KryptoniteOriginal price $56.99 - Original price $56.99Original price$56.99$56.99 - $56.99Current price $56.99| /5.0 / 5.0
1 Review
Fits:2001–2010 Chevy/GMC 1500HD / 2500HD / 3500HD & Hummer H2 with stock control arms only Features: Heavy-Duty Construction – Engineered for ...
View full detailsOriginal price $56.99 - Original price $56.99Original price$56.99$56.99 - $56.99Current price $56.99| / -
Kryptonite Upper and Lower Ball Joints for Stock Arms | 2001 to 2010 GM HD
KryptoniteOriginal price $189.99 - Original price $189.99Original price$189.99$189.99 - $189.99Current price $189.99| /Fits: 2001–2010 Chevy/GMC 2500HD, 3500HD, 2002–2009 Hummer H2 (8 Lug Trucks Only) Important Fitment Info: This package is designed as a direct repl...
View full detailsOriginal price $189.99 - Original price $189.99Original price$189.99$189.99 - $189.99Current price $189.99| /
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.