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GI Service Center » 2021, GMC, Sierra 3500 HD
Products for:
- Year: 2021
- Make: GMC
- Model: Sierra 3500 HD
View Universal items for: 2021 GMC Sierra 3500 HD
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Description: Backed by over 20 years of Edge Products’ diesel tuning innovation, the Edge Insight+ is the perfect upgrade for serious truck owners who want to maximize power, torque, throttle response, and...More Details »
Item #: BKDQ-84140-1
Condition:
New
Please Call for Availability
Available to Order
Description: This simple kit allows you to repair all four sliders found within your two factory L5P Duramax ECM wiring harness connectors. The factory connector uses a plastic slider to lock the harness...More Details »
Item #: BKDQ-98108
Condition:
New
Please Call for Availability
Available to Order
Description: Engineered for both gas and diesel GM applications, the Pulsar LT is the perfect upgrade for drivers who want improved towing performance, enhanced throttle response, and drivability improvements....More Details »
Item #: BKDQ-23411-3
Condition:
New
Please Call for Availability
Available to Order
Description: Engineered for both gas and diesel GM applications, the Pulsar LT is the perfect upgrade for drivers who want improved towing performance, enhanced throttle response, and drivability improvements....More Details »
Item #: BKDQ-22457
Condition:
New
Please Call for Availability
Available to Order
Description: Designed with state-of-the-art standalone ECU-style technology, the Pulsar V3 gives you advanced control and safety. With integrated safety backdowns, your engine is always protected while still...More Details »
Item #: BKDQ-22601-3
Condition:
New
Please Call for Availability
Available to Order
Fender Flares
Item #: F-G12011A-5IS-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: F-G12011A-G6O-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: F-G12011A-GCI-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: F-G12011A-GNK-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: F-G12011A-GNO-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: F-G12011A-GS6-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: F-G12011A-GTL-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: F-G12011A-GXN-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: F-G12011A-GXP-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-5IS-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-G6M-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-G7C-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-G9K-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GA0-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GAN-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GAZ-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GB8-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GBA-DHTP
Condition:
New
Price: $399.95
Fender Flares
Item #: S-G11912-GCI-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GJI-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GLT-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-DHTP
Condition:
New
Price: $339.95
Fender Flares
Item #: S-G11912-GNK-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GNO-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GTL-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GXD-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GXN-DHTP
Condition:
New
Price: $649.95
Fender Flares
Item #: S-G11912-GXP-DHTP
Condition:
New
Price: $649.95
Fog Light Fuse
Description: All Lights On Stay safer, see further, and brighten your night time driving experience with our All Lights On device. The All Lights On allows your high-beams, low-beams, and fog lamps to all be...More Details »
Item #: fpeFPE-ALO
Condition:
New
Price: $21.95
Fuel Filters
Description: L5P Fuel Filter Upgrade Kit 17-19 Short & Long Bed / 20-24 Crew Cab Long Bed) L5P Fuel Filter Upgrade Kit (2017-2019 Short & Long Bed / 2020-2024 Crew Cab Long Bed) The Fleece...More Details »
Item #: fpeFPE-L5P-FFBA-1719
Condition:
New
Price: $249.00
Engine Wiring Harness
Description: Replacement Fuel Injector Connector With Pigtail for L5P Duramax A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get you back on...More Details »
Item #: fpeFPE-HAR-L5P-INJ-PT
Condition:
New
Price: $59.99
Manifold Absolute Pressure Sensor Bracket
Description: MAP Sensor Spacer and Boost Reference Port for L5P Duramax Fleece Performance MAP Sensor Spacer with Boost Reference Port for the L5P Duramax. Problem: Because of the direct placement of the MAP...More Details »
Item #: fpeFPE-L5P-MAP-SPR
Condition:
New
Price: $68.99
Engine Wiring Harness
Description: Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 4 pack A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get...More Details »
Item #: fpeFPE-HAR-L5P-INJ-PT-4P
Condition:
New
Price: $179.99
Engine Wiring Harness
Description: Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 8 pack A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get...More Details »
Item #: fpeFPE-HAR-L5P-INJ-PT-8P
Condition:
New
Price: $299.99
Turbocharger
Description: 1-Year Limited Warranty Brand new - no core charge or core to return Drop-in ready - maintains all OEM factory turbocharger functions including exhaust brake Supports up to 650 RWHP Cheetah...More Details »
Item #: fpeFPE-L5P-VNT63-1723
Condition:
New
Price: $2,399.00
Engine Cylinder Head
Description: Installation Notes: We recommend using GM head gasket (Grade C, 12727486) Multi-angle valve job New valves, valve guides, springs, and valve seals Pressure and leak tested Re-manufactured OE...More Details »
Item #: fpeFPE-61-10014-D
Condition:
New
Price: $1,199.00
Fleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Passenger Side) - FPE-61-10014-P
Engine Cylinder Head
Description: Installation Notes: We recommend using GM head gasket (Grade C, 12727486) Multi-angle valve job New valves, valve guides, springs, and valve seals Pressure and leak tested Re-manufactured OE...More Details »
Item #: fpeFPE-61-10014-P
Condition:
New
Price: $1,199.00
Fuel Filters
Description: L5P Fuel Filter Upgrade Kit (2020-2024 Short Bed and 2024 Standard Cab Long Bed) The Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cartridge...More Details »
Item #: fpeFPE-L5P-FFBA-20
Condition:
New
Price: $249.00
Engine Wiring Harness
Description: Multiuse Sensor Pigtail Almost too many applications to list for this multi-purpose two pin connector with 6" pigtail. This connector is used in hundreds of applications on GM and Dodge vehicles....More Details »
Item #: fpeFPE-HAR-MU-PT-5
Condition:
New
Price: $19.99
Flex-Fit Floor Mats FR & RR FR Bucket Crew Silverado/Sierra 1500/2500HD/3500HD (19-26) Rough Country
Floor Mats
Item #: FF-21612-DHTP
Condition:
New
Price: $129.95
Floor Mats
Item #: FF-2161-DHTP
Condition:
New
Price: $89.95
Floor Mats
Item #: SM2161-DHTP
Condition:
New
Price: $89.95
Suspension Control Arm
Item #: 1958-DHTP
Condition:
New
Price: $339.95
Running Board
Description: Gen-Y 19-24 GM 1500/20-24 GM 2500HD/3500HD Crew Cab Running Boards
Item #: genGH-25001
Condition:
New
Price: $699.95
Running Board
Description: Gen-Y 19-24 GM 2500/3500 Single Cab Running Board Brackets Only
Item #: genGH-25107
Condition:
New
Price: $129.95
Running Board
Description: Gen-Y 20-25 GM 2500/3500 Standard Cab Running Boards
Item #: genGH-25007
Condition:
New
Price: $469.95
Truck Bed Covers
Item #: 47120651B-DHTP
Condition:
New
Price: $799.95
Truck Bed Covers
Item #: 50120651-DHTP
Condition:
New
Price: $799.95
Truck Bed Covers
Item #: 49120651-DHTP
Condition:
New
Price: $849.95
Steering Tie Rod End
Item #: 11016-DHTP
Condition:
New
Price: $219.95
Steering Tie Rod Reinforcing Sleeve
Item #: 1107-DHTP
Condition:
New
Price: $49.95
Running Boards
Item #: SRB01900B-DHTP
Condition:
New
Price: $379.95
Brake Fluid Reservoir Cover
Description: Introducing the HSP Billet Reservoir Cap for your 2001-2024 Duramax: The Finishing Touch to your HSP Built Engine Bay! Precision-machined from durable 6061 Billet Aluminum, this cap not only...More Details »
Item #: GVJG-HSP-D-045-1-HSP-CUST
Condition:
New
Price: $114.00
Brake Fluid Reservoir Cover
Description: Introducing the HSP Billet Reservoir Cap for your 2001-2024 Duramax: The Finishing Touch to your HSP Built Engine Bay! Precision-machined from durable 6061 Billet Aluminum, this cap not only...More Details »
Item #: GVJG-HSP-D-045-1-HSP-BR
Condition:
New
Price: $66.50
Brake Fluid Reservoir Cover
Description: Introducing the HSP Billet Reservoir Cap for your 2001-2024 Duramax: The Finishing Touch to your HSP Built Engine Bay! Precision-machined from durable 6061 Billet Aluminum, this cap not only...More Details »
Item #: GVJG-HSP-D-045-1-HSP-CB
Condition:
New
Price: $66.50