LLY Duramax Parts
Parts for the LLY Duramax (2004.5 to 2005).
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Carrier Bearing Drop Kit | Chevy/GMC 2500HD 2WD/4WD (01-10)
Rough CountryOriginal price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95| /Carrier bearing drop kit required for 01-06 1500 HD Pickups with 2-piece drive shafts.
Original price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95| / -
LED Light Mounts | Upper Windshield | 54" Curved | Chevy/GMC 1500 (99-06 & Classic)
Rough CountryOriginal price $49.95 - Original price $49.95Original price$49.95$49.95 - $49.95Current price $49.95| /Ride proudly into the night with Rough Country's 54-inch Curved LED Upper Windshield Light Bar Mounts for 99-06 GM Pickups & SUV's. Our durable...
View full detailsOriginal price $49.95 - Original price $49.95Original price$49.95$49.95 - $49.95Current price $49.95| / -
HD Tie Rod Sleeves | Chevy/GMC 1500/2500HD/Tahoe/Yukon 4WD
Rough CountryOriginal price $39.95 - Original price $39.95Original price$39.95$39.95 - $39.95Current price $39.95| /One area seriously lacking on most GM trucks is the steering link. With an outside diameter of only 1/2in, one wrong turn can easily bend the tie r...
View full detailsOriginal price $39.95 - Original price $39.95Original price$39.95$39.95 - $39.95Current price $39.95| / -
2 Inch Leveling Kit | Shock Ext | Chevy/GMC 2500HD (01-10)
Rough CountryOriginal price $99.95 - Original price $99.95Original price$99.95$99.95 - $99.95Current price $99.95| /Crank it up with Rough Country;s 2001-2010 Torsion Bar Leveling Kit. Featuring a set of durable, forged Torsion bar Keys and shock extension bracke...
View full detailsOriginal price $99.95 - Original price $99.95Original price$99.95$99.95 - $99.95Current price $99.95| / -
Bilstein B8 5160 Series Shock Absorber 11-23 Chevrolet Silverado 2500/3500 HD Rear For 0-2in Lift
BilsteinOriginal price $289.00 - Original price $289.00Original price$289.00$289.00 - $289.00Current price $289.00| /Bilstein B8 5160 remote reservoir shock absorbers are designed as a direct fit solution for lifted trucks and SUV’s. The remote reservoir will of...
View full detailsOriginal price $289.00 - Original price $289.00Original price$289.00$289.00 - $289.00Current price $289.00| / -
Exergy Duramax CP3 Rear Outlet Fitting & Plug Kit
ExergyOriginal price $64.00 - Original price $64.00Original price$64.00$64.00 - $64.00Current price $64.00| /Exergy Model 1-018-124 Exergy Duramax CP3 Rear Outlet Fitting and Plug Kit
Original price $64.00 - Original price $64.00Original price$64.00$64.00 - $64.00Current price $64.00| / -
Wehrli 2001-2007 Duramax LB7/LLY/LBZ Allison 4x4 Transfer Case Brace - WCFab Red
WehrliOriginal price $204.00Original price $204.00 - Original price $204.00Original price $204.00Current price $203.70$203.70 - $203.70Current price $203.70| /Wehrli Model WCF1001302001-2007 LB7/LLY/LBZ Duramax Allison Transfer Case Braces have been developed and tested for use on high horsepower Duramax ...
View full detailsOriginal price $204.00Original price $204.00 - Original price $204.00Original price $204.00Current price $203.70$203.70 - $203.70Current price $203.70| /Save 0% Save % -
1" Rear Block Kit - GM Truck
ReadyLiftOriginal price $159.95 - Original price $159.95Original price$159.95$159.95 - $159.95Current price $159.95| /Readylift Model 66-3051 QUICK OVERVIEW Chevy/GMC 1" OEM Style Rear Block Kit Single Rear Wheel Only (will not fit Dually) OEM style cast iron with...
View full detailsOriginal price $159.95 - Original price $159.95Original price$159.95$159.95 - $159.95Current price $159.95| / -
Wehrli LB7 / LLY / LBZ Duramax MAF Sensor Aluminum Weld Bung
WehrliOriginal price $0.00 - Original price $0.00Original price $0.00$33.95$33.95 - $33.95Current price $33.95| /Wehrli Model WCF205-26Wehrli LB7 / LLY / LBZ Duramax MAF Sensor Aluminum Weld Bung
Original price $0.00 - Original price $0.00Original price $0.00$33.95$33.95 - $33.95Current price $33.95| / -
Kryptonite Traction Bar Rebuild Kit For 2001–2010 Chevy/GMC HP Trucks
KryptoniteOriginal price $66.49 - Original price $66.49Original price$66.49$66.49 - $66.49Current price $66.49| /Fits; KRTB10 Part# KRTB10-R Death Grip Full Floating Traction Bar Rebuild Kit replaces all bushings and bump stops on your existing Traction bar k...
View full detailsOriginal price $66.49 - Original price $66.49Original price$66.49$66.49 - $66.49Current price $66.49| / -
WT Rubber Mats - Rear - Tan
WeatherTechOriginal price $147.90 - Original price $147.90Original price$147.90$147.90 - $147.90Current price $147.90| /The WeatherTech All-Weather Floor Mats have deeply sculpted channels designed to trap water, road salt, mud and sand. They wont curl, crack or har...
View full detailsOriginal price $147.90 - Original price $147.90Original price$147.90$147.90 - $147.90Current price $147.90| / -
WT Rubber Mats - Rear - Grey
WeatherTechOriginal price $147.90 - Original price $147.90Original price$147.90$147.90 - $147.90Current price $147.90| /The WeatherTech All-Weather Floor Mats have deeply sculpted channels designed to trap water, road salt, mud and sand. They wont curl, crack or har...
View full detailsOriginal price $147.90 - Original price $147.90Original price$147.90$147.90 - $147.90Current price $147.90| / -
WT Rubber Mats - Rear - Blk
WeatherTechOriginal price $147.90 - Original price $147.90Original price$147.90$147.90 - $147.90Current price $147.90| /The WeatherTech All-Weather Floor Mats have deeply sculpted channels designed to trap water, road salt, mud and sand. They wont curl, crack or har...
View full detailsOriginal price $147.90 - Original price $147.90Original price$147.90$147.90 - $147.90Current price $147.90| / -
WT FloorLiner - Front - Blk
WeatherTechOriginal price $242.90 - Original price $242.90Original price$242.90$242.90 - $242.90Current price $242.90| /The WeatherTech FloorLiner DigitalFit accurately and completely lines the interior carpet giving "absolute interior protection". Digital laser meas...
View full detailsOriginal price $242.90 - Original price $242.90Original price$242.90$242.90 - $242.90Current price $242.90| / -
WT FloorLiner - Front - Blk
WeatherTechOriginal price $242.90 - Original price $242.90Original price$242.90$242.90 - $242.90Current price $242.90| /The WeatherTech FloorLiner DigitalFit accurately and completely lines the interior carpet giving "absolute interior protection". Digital laser meas...
View full detailsOriginal price $242.90 - Original price $242.90Original price$242.90$242.90 - $242.90Current price $242.90| / -
DDP 04.5-05 Chevrolet Duramax 6.6L LLY Stock Reman Injector (Single)
DDPOriginal price $0.00 - Original price $0.00Original price $0.00$408.50$408.50 - $408.50Current price $408.50| /DDP Model DDPLLY-STKDuramax 04.5-05 LLY Injector: Remanufactured stock power level injector. Every internal component replaced with new OE componen...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$408.50$408.50 - $408.50Current price $408.50| / -
Exergy Rail Fitting for HP Line into PRV Location LLY/LBZ/LMM & Cummins 6.7L
ExergyOriginal price $77.00 - Original price $77.00Original price$77.00$77.00 - $77.00Current price $77.00| /Exergy Model 1-018-153-AExergy Rail Fitting for HP Line into PRV Location For Cummins 6.7L & LLY/LBZ/LMM
Original price $77.00 - Original price $77.00Original price$77.00$77.00 - $77.00Current price $77.00| / -
Exergy Port to Female M18x1.5 Cummins 6.7 / Duramax LLY/LBZ/LMM
ExergyOriginal price $116.00 - Original price $116.00Original price$116.00$116.00 - $116.00Current price $116.00| /Exergy Model 1-018-167 Cummins 6.7 / Duramax LLY/LBZ/LMM Port to Female M18x1.5 - 1-018-167
Original price $116.00 - Original price $116.00Original price$116.00$116.00 - $116.00Current price $116.00| / -
Exergy PRV Plug w/O-Ring Cummins 6.7L/LLY/LBZ/LMM (Diagnostic Purposes Only)
ExergyOriginal price $64.00 - Original price $64.00Original price$64.00$64.00 - $64.00Current price $64.00| /Exergy Model 1-018-172 Exergy PRV Plug w/O-Ring Cummins 6.7L/LLY/LBZ/LMM (Diagnostic Purposes Only)
Original price $64.00 - Original price $64.00Original price$64.00$64.00 - $64.00Current price $64.00| / -
Exergy 04.5-10 Chevrolet Duramax 6.6L LLY/LBZ/LMM Leak Rail Assembly (Passenger Side)
ExergyOriginal price $61.00 - Original price $61.00Original price$61.00$61.00 - $61.00Current price $61.00| /Exergy 04.5-10 Chevy Duramax LLY/LBZ/LMM Leak Rail Assembly (Passenger Side)
Original price $61.00 - Original price $61.00Original price$61.00$61.00 - $61.00Current price $61.00| / -
Exergy 04.5-10 Chevrolet Duramax 6.6L LLY/LBZ/LMM Leak Rail Assembly (Driver Side)
ExergyOriginal price $61.00 - Original price $61.00Original price$61.00$61.00 - $61.00Current price $61.00| /Exergy 04.5-10 Chevy Duramax LLY/LBZ/LMM Leak Rail Assembly (Driver Side)
Original price $61.00 - Original price $61.00Original price$61.00$61.00 - $61.00Current price $61.00| / -
Exergy 04.5-05 Chevrolet Duramax 6.6L LLY New Stock Replacement Right Hand Fuel Rail
ExergyOriginal price $250.00 - Original price $250.00Original price$250.00$250.00 - $250.00Current price $250.00| /Exergy 04.5-05 Chevy Duramax LLY New Stock Replacement RH Fuel Rail
Original price $250.00 - Original price $250.00Original price$250.00$250.00 - $250.00Current price $250.00| / -
DDP 04.5-05 Chevrolet Duramax 6.6L LLY Stock Brand New Injector (Single)
DDPOriginal price $0.00 - Original price $0.00Original price $0.00$517.75$517.75 - $517.75Current price $517.75| /DDP Model DDPNLLY-STKDuramax 04.5-05 LLY Injector: Brand New stock power level injector. Comes with all the latest revisions. Sold individually wit...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$517.75$517.75 - $517.75Current price $517.75| / -
Exergy 04.5-05 Chevrolet Duramax 6.6L LLY 550 Alpha Stroker CP3 Pump (LBZ Based)
ExergyOriginal price $3,700.00 - Original price $3,700.00Original price$3,700.00$3,700.00 - $3,700.00Current price $3,700.00| /Exergy Model E04 10210Exergy 04.5-05 Chevrolet Duramax 6.6L LLY 550 Alpha Stroker CP3 Pump (LBZ Based) The first of an industry leading series of p...
View full detailsOriginal price $3,700.00 - Original price $3,700.00Original price$3,700.00$3,700.00 - $3,700.00Current price $3,700.00| /
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.