04.5-05 LLY Duramax

Making sure your GMC/Chevy diesel engines are running properly is simple when you choose diesel engine performance parts from Gillett Diesel Service Inc. Our business is proud to provide you with South Bend clutch, fuel pump, injector, and turbocharger selections, as well as electronics and a variety of additional GMC diesel engine parts. When you shop with us, you can rest assured that you are purchasing some of the best selections available for your vehicle.

It doesn’t matter if you are an auto repair specialist looking for GMC diesel engine parts or are just a truck driver who is making upgrades to their vehicle with Chevy diesel engines, our business offers great products, such as South Bend clutch selections, as well as amazing customer services. We always work efficiently to make sure that your orders head out to your location in a fast and efficient manner. Take a look at the performance parts we have available and place an order today.

Turbochargers, Parts, & Upgrades
Turbochargers, Parts, & Upgrades
Fuel Injection Pumps, HPCR Pumps, & Upgrade Parts
Fuel Injection Pumps, HPCR Pumps, & Upgrade Parts
Injectors, Upgrades, & Parts
Injectors, Upgrades, & Parts
Auto Transmissions, Converters, & Upgrade Parts
Auto Transmissions, Converters, & Upgrade Parts
Performance Clutches, Manual Trans. Parts, & Upgrades
Performance Clutches, Manual Trans. Parts, & Upgrades
Exhaust Systems, Manifolds, & Components
Exhaust Systems, Manifolds, & Components
Intake Systems, Manifolds, & Filters
Intake Systems, Manifolds, & Filters
Exhaust Brake Systems
Exhaust Brake Systems
Engines
Engines
Auxiliary Fuel Pumps, Upgrades & Tank Systems
Auxiliary Fuel Pumps, Upgrades & Tank Systems
Gauges, Digital Displays, & Mounting Solutions
Gauges, Digital Displays, & Mounting Solutions
Modules, Tuners, & Chips
Modules, Tuners, & Chips
Mechanical Engine Performance Upgrades
Mechanical Engine Performance Upgrades
Upgrade Diff. Covers, & Trans. Pans
Upgrade Diff. Covers, & Trans. Pans
Engine Parts, & Electronics
Engine Parts, & Electronics
Additives & Fluids
Additives & Fluids
Chassis, Suspension, & Drivetrain Components
Chassis, Suspension, & Drivetrain Components
Displaying products 1 - 40 of 94 results
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PowerMax Stage 2 AVNT Upgrade for the 2004.5-2010 6.6L Duramax.
MSRP $2,218.94
Price $1,923.06
You Save $295.88
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PowerMax Stage 2 AVNT Upgrade for the 2004.5-2010 6.6L Duramax. - More Info
PowerMax Stage I AVNT Upgrade for the 2004.5-2010 6.6L Duramax.
MSRP $1,774.71
Price $1,538.06
You Save $236.65
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PowerMax Stage I AVNT Upgrade for the 2004.5-2010 6.6L Duramax. - More Info
AFE Air Filter- GM (30-10062)
Price $76.00
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AFE Air Filter- GM (30-10062) - More Info
AFE Air Filter- GM (30-80062)
Price $89.00
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AFE Air Filter- GM (30-80062) - More Info
AFE Black Exhaust Tip (49-92003)
Price $129.00
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AFE Black Exhaust Tip (49-92003) - More Info
AFE Cold Air Intake- GM (54-10612)
Price $375.00
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AFE Cold Air Intake- GM (54-10612) - More Info
free shipping
AFE Cold Air Intake- GM (75-10612)
Price $387.00
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AFE Cold Air Intake- GM (75-10612) - More Info
free shipping
AFE Intercooler Tube- GM (46-20048)
Price $230.00
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AFE Intercooler Tube- GM (46-20048) - More Info
Air Intake System- GM (200-154)
Price $331.40
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Air Intake System- GM (200-154) - More Info
Air Intake System- GM (200-167)
Price $331.40
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Air Intake System- GM (200-167) - More Info
Airaid Air Filter- GM (850-135)
Price $59.06
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Airaid Air Filter- GM (850-135) - More Info
BD Cool-It Intercooler- Duramax 1042600
Price $1,060.00
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BD Cool-It Intercooler-  Duramax 1042600 - More Info
Chevy/GMC (01-12) Duramax Fass Adjustable Fuel Pump
MSRP $484.00
Price $459.80
You Save $24.20
Chevy/GMC (01-12) Duramax Fass Adjustable Fuel Pump - More Info
Chevy/GMC (01-12) Fass Adjustable Fuel Pump
MSRP $659.00
Price $626.05
You Save $32.95
Chevy/GMC (01-12) Fass Adjustable Fuel Pump - More Info
Chevy/GMC (01-12) Fass Adjustable Fuel Pump 260GPH
MSRP $709.00
Price $673.55
You Save $35.45
Chevy/GMC (01-12) Fass Adjustable Fuel Pump 260GPH - More Info
Clutch Kit- GM (SDM0105DFK)
Price $970.00
Clutch Kit- GM (SDM0105DFK) - More Info
free shipping
Clutch Kit- GM (SDM0105OK)
Price $873.00
Clutch Kit- GM (SDM0105OK) - More Info
free shipping
Differential Cover- Dodge (Dana #44)
Price $240.00
Differential Cover- Dodge (Dana #44) - More Info
Differential Cover- GM (#AA 14-11.5)
Price $290.00
Differential Cover- GM (#AA 14-11.5) - More Info
Differential Cover- GM (#GM 14-9.5)
Price $270.00
Differential Cover- GM (#GM 14-9.5) - More Info
Duramax (01-12) Fass Adjustable Fuel Pump 95GPH
MSRP $469.00
Price $455.55
You Save $13.45
Duramax (01-12) Fass Adjustable Fuel Pump 95GPH - More Info
Duramax Dual Fueler Kit (04.5-05)
Price $1,450.00
Duramax Dual Fueler Kit (04.5-05) - More Info
enclosed pyrometer probe (40391)
MSRP $53.99
Price $50.00
You Save $3.99
enclosed pyrometer probe (40391) - More Info
Exhaust System- GM (17902)
MSRP $612.23
Price $520.40
You Save $91.83
Exhaust System- GM (17902) - More Info
Exhaust System- GM (17903)
MSRP $821.05
Price $634.45
You Save $186.60
Exhaust System- GM (17903) - More Info
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