2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Turbo Upgrades

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Stock & Modified Stock Turbos

Stock & Modified Stock Turbos

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Turbo Gaskets & Accessories

Turbo Gaskets & Accessories

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Fleece FPE-TURBO-THERM Turbo Thermostat Delete Plug | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
IN STOCK
Fleece FPE-TURBO-THERM Turbo Thermostat Delete Plug | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-TURBO-THERM Turbo Thermostat Delete Plug | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-TURBO-THERM Turbo Thermostat Delete Plug | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-TURBO-THERM
$37.95
BD Diesel 848212-9001S Garrett Exchange Turbo with Sensor | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
IN STOCK
BD Diesel 848212-9001S Garrett Exchange Turbo with Sensor | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

BD Diesel

BD Diesel 848212-9001S Garrett Exchange Turbo with Sensor | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: BDD848212-9001S
$1,539.95
Merchant 10016 Intake Tube Seal Kit | 2004.5-2005 GM 2500HD/3500HD 6.6L Duramax LLY
Merchant 10016 Intake Tube Seal Kit | 2004.5-2005 GM 2500HD/3500HD 6.6L Duramax LLY

Merchant Automotive

Merchant 10016 Intake Tube Seal Kit | 2004.5-2005 GM 2500HD/3500HD 6.6L Duramax LLY

SKU: MAT10016
$9.92
Garrett Turbos 773542 5001S Stage 2 4094Avnt Turbo | 2004.5-2010 6.6L Duramax
Garrett Turbos 773542 5001S Stage 2 4094Avnt Turbo | 2004.5-2010 6.6L Duramax

Garrett Turbos

Garrett Turbos 773542 5001S Stage 2 4094Avnt Turbo | 2004.5-2010 6.6L Duramax

SKU: GTT773542-5001S
$2,640.30
$3,879.45
Merchant Automotive 10122 Turbo Install Gasket Kit | 2004.5-2005 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax
Merchant Automotive 10122 Turbo Install Gasket Kit | 2004.5-2005 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant Automotive 10122 Turbo Install Gasket Kit | 2004.5-2005 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax

SKU: MAT10122
$71.63
PPE 116006059 T4 Riser Block (With Wastegate Port) | 2001-2010 GM 2500HD/3500HD 6.6L Duramax
IN STOCK
PPE 116006059 T4 Riser Block (With Wastegate Port) | 2001-2010 GM 2500HD/3500HD 6.6L Duramax

PPE

PPE 116006059 T4 Riser Block (With Wastegate Port) | 2001-2010 GM 2500HD/3500HD 6.6L Duramax

SKU: PPE116006059
$269.99
PPE 515252503 Performance Silicone Hose 2.5 inch ID x 3 inch L | Universal
IN STOCK
PPE 515252503 Performance Silicone Hose 2.5 inch ID x 3 inch L | Universal
PPE 515252503 Performance Silicone Hose 2.5 inch ID x 3 inch L | Universal
PPE 515252503 Performance Silicone Hose 2.5 inch ID x 3 inch L | Universal

PPE

PPE 515252503 Performance Silicone Hose 2.5 inch ID x 3 inch L | Universal

SKU: PPE515252503
$17.09
PPE 516010100 Turbo Boost Pressure Gauge Tubing Kit | 2001-2024 GM Silverado/Sierra 2500HD/3500HD
PPE 516010100 Turbo Boost Pressure Gauge Tubing Kit | 2001-2024 GM Silverado/Sierra 2500HD/3500HD

PPE

PPE 516010100 Turbo Boost Pressure Gauge Tubing Kit | 2001-2024 GM Silverado/Sierra 2500HD/3500HD

SKU: PPE516010100
$14.39
PPE 116005055 Stainless Steel Turbo Oil Return Pipes Long | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
IN STOCK
PPE 116005055 Stainless Steel Turbo Oil Return Pipes Long | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116005055 Stainless Steel Turbo Oil Return Pipes Long | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE116005055
$35.99
PPE 115010124 Turbo Resonator Delete Plug - Gold | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 115010124 Turbo Resonator Delete Plug - Gold | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 115010124 Turbo Resonator Delete Plug - Gold | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 115010124 Turbo Resonator Delete Plug - Gold | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 115010124 Turbo Resonator Delete Plug - Gold | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE115010124
$22.49
Wehrli 100397 S400 Single Turbo Oil Line Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100397 S400 Single Turbo Oil Line Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100397 S400 Single Turbo Oil Line Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100397
$290.03
No Limit Fab LLYLBZLMMVGT6566 Raw Stage 2 65/66 Drop In Factory Replacement Turbo | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Non-Whistle
No Limit Fab LLYLBZLMMVGT6566 Raw Stage 2 65/66 Drop In Factory Replacement Turbo | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Non-Whistle
No Limit Fab LLYLBZLMMVGT6566 Raw Stage 2 65/66 Drop In Factory Replacement Turbo | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Non-Whistle

No Limit Fabrication

No Limit Fab LLYLBZLMMVGT6566 Raw Stage 2 65/66 Drop In Factory Replacement Turbo | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Non-Whistle

SKU: NLFLLYLBZLMMVGT6566
$2,199
Garrett Turbos 763527-0712 Turbo Vane Position Sensor | 2004.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Garrett Turbos 763527-0712 Turbo Vane Position Sensor | 2004.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Garrett Turbos

Garrett Turbos 763527-0712 Turbo Vane Position Sensor | 2004.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: GTT763527-0712
$357.22
$554.87
Industrial 848212-0001-XR XR Series 61mm Turbocharger | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Industrial 848212-0001-XR XR Series 61mm Turbocharger | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Industrial Injection

Industrial 848212-0001-XR XR Series 61mm Turbocharger | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: IIS848212-0001-XR
$2,101.94
DieselSite WWLLY Wicked Wheel 2 | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
DieselSite WWLLY Wicked Wheel 2 | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

DieselSite

DieselSite WWLLY Wicked Wheel 2 | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: DSSWWLLY
$259
PPE 417001000 Inconel Heat Shield | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
IN STOCK
PPE 417001000 Inconel Heat Shield | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 417001000 Inconel Heat Shield | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE417001000
$494.99
PPE 116006058 T4 Riser Block (Without Wastegate Port) | 2001-2010 GM 2500HD/3500HD 6.6L Duramax
IN STOCK
PPE 116006058 T4 Riser Block (Without Wastegate Port) | 2001-2010 GM 2500HD/3500HD 6.6L Duramax

PPE

PPE 116006058 T4 Riser Block (Without Wastegate Port) | 2001-2010 GM 2500HD/3500HD 6.6L Duramax

SKU: PPE116006058
$224.99
PPE 116006000 Large Frame Turbo Installation Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116006000 Large Frame Turbo Installation Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116006000 Large Frame Turbo Installation Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116006000 Large Frame Turbo Installation Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116006000 Large Frame Turbo Installation Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116006000 Large Frame Turbo Installation Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116006000 Large Frame Turbo Installation Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE116006000
$1,439.99
Tuner 13U7H001 Stealth Boost Tester HD Regulator | 2001-2021 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Tuner 13U7H001 Stealth Boost Tester HD Regulator | 2001-2021 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Tuner 13U7H001 Stealth Boost Tester HD Regulator | 2001-2021 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Duramax Tuner

Tuner 13U7H001 Stealth Boost Tester HD Regulator | 2001-2021 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: DMT13U7H001
$185
ATS 213-045-1000 45Mm Wastegate Adapter | Universal
ATS 213-045-1000 45Mm Wastegate Adapter | Universal
ATS 213-045-1000 45Mm Wastegate Adapter | Universal

ATS Diesel Performance

ATS 213-045-1000 45Mm Wastegate Adapter | Universal

SKU: ATS213-045-1000
$54.99
Industrial 179905 BorgWarner S300 T-4 Divided 1.00 A/R Turbine Housing | Universal
Industrial 179905 BorgWarner S300 T-4 Divided 1.00 A/R Turbine Housing | Universal
Industrial 179905 BorgWarner S300 T-4 Divided 1.00 A/R Turbine Housing | Universal
Industrial 179905 BorgWarner S300 T-4 Divided 1.00 A/R Turbine Housing | Universal

BorgWarner

Industrial 179905 BorgWarner S300 T-4 Divided 1.00 A/R Turbine Housing | Universal

SKU: IIS179905
$194.72
Industrial 14009097014 BorgWarner 76/87 SX-E Super Core Turbo | Universal
Industrial 14009097014 BorgWarner 76/87 SX-E Super Core Turbo | Universal
Industrial 14009097014 BorgWarner 76/87 SX-E Super Core Turbo | Universal
Industrial 14009097014 BorgWarner 76/87 SX-E Super Core Turbo | Universal
Industrial 14009097014 BorgWarner 76/87 SX-E Super Core Turbo | Universal
Industrial 14009097014 BorgWarner 76/87 SX-E Super Core Turbo | Universal

BorgWarner

Industrial 14009097014 BorgWarner 76/87 SX-E Super Core Turbo | Universal

SKU: IIS14009097014
$1,846.63
Industrial 178788 BorgWarner 1.0 A/R T4 Turbine Housing for S400SXS | Universal
Industrial 178788 BorgWarner 1.0 A/R T4 Turbine Housing for S400SXS | Universal
Industrial 178788 BorgWarner 1.0 A/R T4 Turbine Housing for S400SXS | Universal
Industrial 178788 BorgWarner 1.0 A/R T4 Turbine Housing for S400SXS | Universal

BorgWarner

Industrial 178788 BorgWarner 1.0 A/R T4 Turbine Housing for S400SXS | Universal

SKU: IIS178788
$397.10
Industrial 178790 BorgWarner A/R 1.25 T4 Twin Flow 87mm Turbine Housing | Universal
Industrial 178790 BorgWarner A/R 1.25 T4 Twin Flow 87mm Turbine Housing | Universal
Industrial 178790 BorgWarner A/R 1.25 T4 Twin Flow 87mm Turbine Housing | Universal

BorgWarner

Industrial 178790 BorgWarner A/R 1.25 T4 Twin Flow 87mm Turbine Housing | Universal

SKU: IIS178790
$197.31

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While the factory turbocharger in your 2004.5-2005 GM 2500HD/3500HD is sufficient for stock applications, there's significant potential for improvement to unleash its full power. We offer a variety of upgrades, from turbo drain kits to complete high-performance turbochargers, to help maximize your engine's performance. Whether you decide to enhance your existing setup or go for a full turbo replacement, we have the perfect solution to meet your needs. Elevate your 6.6L Duramax's power with these turbo upgrades! Pair your new Turbo Upgrades with our selection of Engine Upgrades.  GM Duramax Fitments: 2004, 2005 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2004.5-2005 6.6L LLY
Stock & Modified Stock Turbos
Compound Turbo Kits
Turbo Gaskets & Parts

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