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UnderDog Diesel » 2020, GMC, Sierra 3500
Products for:
- Year: 2020
- Make: GMC
- Model: Sierra 3500
View Universal items for: 2020 GMC Sierra 3500
Browse Products
Description: For 2020-2024 Chevy/GMC 2500/3500 6.6L Diesel L5P
Item #: 35137-B
Condition:
New
Price: $664.44
Sale: $598.00
Save: 10%
Save: $66.44
Data Logging Unit
Description: Banks iDash 1.8 DataMonster, Universal CAN, Stand- Alone for ALL 2008+ OBDII CAN bus vehicles Note: Universal CAN, Stand-Alone Standard 52mm size
Item #: 66760
Condition:
New
Price: $419.00
Multi-Purpose Gauge
Description: Banks iDash 1.8 SuperGauge, Universal CAN, Gauge Expansion Kit for ALL 2008+ OBDII CAN bus vehicles Note: Universal CAN, Gauge Expansion Kit Standard 52mm size
Item #: 66562
Condition:
New
Price: $269.00
Turbo Inlet Horn, Intake Manifold
Description: The Banks Monster-Ram Turbo Inlet for the 2017-2025 Duramax L5P is the only intake elbow that outperforms stock without the destructive effects of turbo surge. More than a year in development, the...More Details »
Item #: 42792-N
Condition:
New
50-State Emission Compliant CARB-EO D-161-158
Price: $289.00
Turbo Inlet Horn, Intake Manifold
Description: The Banks Monster-Ram Turbo Inlet for the 2017-2025 Duramax L5P is the only intake elbow that outperforms stock without the destructive effects of turbo surge. More than a year in development, the...More Details »
Item #: 42792-R
Condition:
New
50-State Emission Compliant CARB-EO D-161-158
Price: $299.00
Throttle Assist
Description: PedalMonster, for use with existing iDash and/or Derringer for many Cadillac, Chevy/GMC, Chrysler, Dodge/Ram, Ford, Jeep, Lincoln, Mazda (check fitment)
Item #: 64311
Condition:
New
Price: $295.00
Throttle Assist
Description: PedalMonster, Standalone for many Cadillac, Chevy/GMC, Chrysler, Dodge/Ram, Ford, Jeep, Lincoln, Mazda (check fitment)
Item #: 64310
Condition:
New
Price: $295.00
Throttle Assist
Description: PedalMonster, with iDash SuperGauge for many Cadillac, Chevy/GMC (check fitment)
Item #: 64322
Condition:
New
Price: $575.00
Throttle Assist
Description: PedalMonster, with iDash SuperGauge for many Cadillac, Chevy/GMC, Chrysler, Dodge/Ram, Ford, Jeep, Lincoln, Mazda (check fitment)
Item #: 64312
Condition:
New
Price: $575.00
Throttle Assist
Description: PedalMonster, with iDash DataMonster for many Cadillac, Chevy/GMC, Chrysler, Dodge/Ram, Ford, Jeep, Lincoln, Mazda (check fitment)
Item #: 64313
Condition:
New
Price: $695.00
Description: For 2020-2024 Chevy/GMC 2500/3500 6.6L Diesel
with 10 speed Allison 10L1000 Transmission
Item #: 35148-B
Condition:
New
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-196437
Condition:
New
Price: $99.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-196444
Condition:
New
Price: $84.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-196468
Condition:
New
Price: $110.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-218023
Condition:
New
Price: $110.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-218030
Condition:
New
Price: $110.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-253161
Condition:
New
Price: $110.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 25-218190
Condition:
New
Price: $225.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 25-311846
Condition:
New
Price: $275.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 25-311884
Condition:
New
Price: $270.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber
Item #: 25-311891
Condition:
New
Price: $270.00
Suspension Shock Absorber Reservoir Mount
Description: Reservoir Bracket Assembly
Item #: 11-176015
Condition:
New
Price: $42.00
Description: One extra high strength dowel pin
Item #: 29601
Condition:
New
Price: $2.50
Drop-In Turbocharger
Description: Brand New Turbo. No core charge
600-650HP Rating
100% Drop In
Item #: D06-T641-002
Condition:
New
Price: $2,795.00
Drop-In Turbocharger
Description: Brand New Turbo. No core charge
650-700HP Rating
100% Drop In
Item #: D06-T642-002
Condition:
New
Price: $2,795.00
Limited Supply: Only 3 Left!
Price: $59.99
Limited Supply: Only 4 Left!
Price: $20.95
Description: Same tensile strength as ARP, at a more affordable price.
Item #: DogBone-HSK-17D
Condition:
New
Limited Supply: Only 1 Left!
Price: $419.00
Cap for L5P Intake Horn
Description: Fits L5P Intake Horn PCV Provision
Item #: DogBone-7/8-L5P-CAP-KIT
Condition:
New
Price: $17.89
L5P Coolant Cap Kit
Description: Replacement for Cheap Vacuum Plugs in 'Fix Kits'
Item #: DogBone-1/4-L5P-COOLANT-CAP-KIT
Condition:
New
Price: $8.49
Fuel Injector
Item #: DDPL5P-100
Condition:
New
Price: $3,669.38
Fuel Injector
Item #: DDPL5P-50
Condition:
New
Price: $3,473.68
Fuel Injector
Item #: DDPL5P-STK
Condition:
New
Price: $293.55
NEW!
Description: In-vehicle ECM/TCM unlock
Adds up to 125hp/275tq to the tires at Peak RPM's
Monitor displays important data like Soot, Miles Since Last Regen, EGT's, Boost and Fluid Temperatures
10-speed...More Details »
Item #: 85400-261
Condition:
New
Price: $979.95
Sale: $881.95
Save: 10%
Save: $98.00
Description: Exergy 2017+ L5P Stock Replacement Injector
Item #: E02 10701
Condition:
New
Price: $2,400.00
Price: $63.00
Dedicated Fuel Systems
Item #: DIFSL5P1001
Condition:
New
Price: $504.21
Sale: $479.00
Save: 5%
Save: $25.21
Dedicated Fuel Systems
Item #: DIFSL5P2001
Condition:
New
Price: $504.21
Sale: $479.00
Save: 5%
Save: $25.21
Dedicated Fuel Systems
Item #: TSC14140F110G
Condition:
New
Price: $893.68
Sale: $849.00
Save: 5%
Save: $44.68
Air Suspension Helper Spring
Description: Kit comes with commercial grade air springs, upper and lower brackets that are industrial coated to prevent rust, DOT rated tubing, Automotive standard hardware and fittings, compressor, analog...More Details »
Item #: 2825
Condition:
New
Price: $1,311.73
Air Suspension Helper Spring
Description: 224CZ 3/4 OFF BNCTR
Item #: 6401
Condition:
New
Price: $217.79
Air Suspension Helper Spring
Description: Note: Do not exceed the vehicles GVWR. Fits: GM Silverado/Sierra 2500/3500HD (2WD/4WD)
Item #: 2860
Condition:
New
Price: $1,470.61
No Image Available
Suspension Leveling Kit
Description: RED Label Ride Rite Extreme Duty Air Spring Kit
Item #: 2709
Condition:
New
Price: $987.38
Suspension Leveling Kit
Description: Ride-Rite Air Helper Spring Kit Rear Incl. Brackets Air Helper Springs Hardware Air Line And Inflation Valves No Drilling Required
Item #: 2613
Condition:
New
Price: $866.80
Description: 2017-2019 L5P Fuel Filter Upgrade Kit For Short and Long Bed applications as well as 2020-2024 Crew Cab Long Bed applications.
Item #: FPE-L5P-FFBA-1719
Condition:
New
Price: $229.00
Description: 2020+ L5P Fuel Filter Upgrade Kit For Short Bed Applications and 2024 Regular Cab Long Bed Applications
Item #: FPE-L5P-FFBA-20
Condition:
New
Price: $229.00
Item #: FPE-HAR-MU-PT-7
Condition:
New
Price: $28.99
Item #: FPE-L5P-MAP-SPR
Condition:
New
Price: $68.99
Item #: FPE-HAR-L5P-INJ-PT-4P
Condition:
New
Price: $179.99
Item #: FPE-HAR-L5P-INJ-PT-8P
Condition:
New
Price: $299.99
Item #: FPE-HAR-L5P-INJ-PT
Condition:
New
Price: $59.99
Item #: FPE-HAR-MU-PT-1
Condition:
New
Price: $37.99
Engine Harmonic Balancer
Description: Harmonic Balancer - Fluidampr-2020+ GM / Chevy Duramax L5P - Steel - Black Zinc Chromate - 8-3/8" dia - 30.6 lbs - SFI 18.1 - Made in USA - Each Fits: 2020+ GM/Chevy 6.6L Duramax L5P
Item #: 830151
Condition:
New
Price: $685.10
Engine Harmonic Balancer
Description: Harmonic Balancer - Fluidampr - GM L8T - L87 - L84 - 2019-2022 GM/Chevy Truck/SUVs/Vans
Item #: 760151
Condition:
New
Price: $491.30
Suspension Shock Absorber Kit
Description: Application specific valving to maximize performance.
Item #: 883-26-084
Condition:
New
Price: $1,499.95
Suspension Shock Absorber Kit
Description: Application specific valving to maximize performance.
Item #: 883-26-085
Condition:
New
Price: $1,499.95
Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 985-24-238
Condition:
New
Price: $199.95
Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 985-24-239
Condition:
New
Price: $199.95