- Home »
- Catalog
UnderDog Diesel » 2023, GMC
Products for:
- Year: 2023
- Make: GMC
View Universal items for: 2023 GMC
Browse Products
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
Dedicated Fuel Systems
Item #: DIFSL5P2001
Condition:
New
Price: $504.21
Item #: NDTSPC15290F240G
Condition:
New
Price: $1,051.58
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
Pigtail
Item #: FPE-HAR-CUMM-ALT-0722
Condition:
New
Price: $20.99
NEW!
Description: Exclusive 63mm Compressor Wheel
12 Blade Turbine
Gasket Kit - Included
CARB EO# D-834-19
Item #: FPE-L5P-VNT63-1723
Condition:
New
Price: $2,499.00
Sale: $2,399.00
Save: 4%
Save: $100.00
Description: -New Valves
-New Valve Guides
-New Valve Springs
-New Valve Seals
No Core Charge
Item #: FPE-61-10014-D
Condition:
New
Please Call for Availability
Description: -New Valves
-New Valve Guides
-New Valve Springs
-New Valve Seals
No Core Charge
Item #: FPE-61-10014-P
Condition:
New
Please Call for Availability
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
Condition:
New
Price: $59.99
Suspension Shock Absorber Kit
Description: Application specific valving to maximize performance.
Item #: 883-26-084
Condition:
New
Price: $1,679.95
Suspension Shock Absorber Kit
Description: Application specific valving to maximize performance.
Item #: 883-26-085
Condition:
New
Price: $1,679.95
Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 985-24-238
Condition:
New
Price: $229.95
Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 985-24-239
Condition:
New
Price: $229.95
Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 985-24-240
Condition:
New
Price: $229.95
Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 985-24-241
Condition:
New
Price: $229.95
Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 985-24-242
Condition:
New
Price: $356.95
Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 985-24-243
Condition:
New
Price: $356.95
Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 985-24-244
Condition:
New
Price: $356.95
Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 985-24-245
Condition:
New
Price: $356.95
Gooseneck Trailer Hitch Ball
Description: GoosePuck 5" offset ball-puck mount for GM Long Bed 2020 to current 25K Towing (With EXT ball assembly ) Fits: GMC: Sierra 2500 HD 2020 - 2024, GMC: Sierra 3500 HD 2020 - 2024
Item #: GH-21008
Condition:
New
Price: $529.95
Gooseneck Trailer Hitch Ball
Description: GoosePuck 5" offset ball-puck mount for GM Short Bed 2020 to current 25K Towing (With EXT ball assembly) Fits: GMC: Sierra 2500 HD 2020 - 2024, GMC: Sierra 3500 HD 2020 - 2024
Item #: GH-21007
Condition:
New
Price: $529.95
Allison 1000 5SPD - 6SPD
Item #: GFP-ALLISON
Condition:
New
Price: $349.00
Allison 10L1000
Item #: ATC-(#)-2020
Condition:
New
Current build time of 6-8 business days.
Price: $1,845.00
Description: Conveniently upgrade your E41 ECM, found in the 2017-2023 Chevy Silverado and GMC Sierra 2500/3500 6.6L Duramax trucks (L5P and L5D applications), without removing it from the vehicle. Upgrade your...More Details »
Item #: ECM-00-L5P-K
Condition:
New
Price: $199.99
Cold Air Intake
Item #: HSP-D-602-2-HSP-CUST
Condition:
New
Not Available
Cold Air Intake
Item #: HSP-D-602-2-HSP-BR
Condition:
New
Not Available
Cold Air Intake
Item #: HSP-D-602-2-HSP-CB
Condition:
New
Not Available
Cold Air Intake
Item #: HSP-D-602-2-HSP-CR
Condition:
New
Not Available
Cold Air Intake
Item #: HSP-D-602-2-HSP-CP
Condition:
New
Not Available
Cold Air Intake
Item #: HSP-D-602-2-HSP-GB
Condition:
New
Not Available
Cold Air Intake
Item #: HSP-D-602-2-HSP-DG
Condition:
New
Not Available
Cold Air Intake
Item #: HSP-D-602-2-HSP-O
Condition:
New
Not Available
Cold Air Intake
Item #: HSP-D-602-2-HSP-W
Condition:
New
Not Available
Cold Air Intake
Item #: HSP-D-602-2-HSP-SB
Condition:
New
Not Available
Intercooler Pipes
Item #: HSP-D-600-2-HSP-CUST
Condition:
New
Not Available
Intercooler Pipes
Item #: HSP-D-600-2-HSP-BR
Condition:
New
Not Available
Intercooler Pipes
Item #: HSP-D-600-2-HSP-CB
Condition:
New
Not Available
Intercooler Pipes
Item #: HSP-D-600-2-HSP-CR
Condition:
New
Not Available
Intercooler Pipes
Item #: HSP-D-600-2-HSP-CP
Condition:
New
Not Available
Intercooler Pipes
Item #: HSP-D-600-2-HSP-GB
Condition:
New
Not Available
Intercooler Pipes
Item #: HSP-D-600-2-HSP-DG
Condition:
New
Not Available
Intercooler Pipes
Item #: HSP-D-600-2-HSP-O
Condition:
New
Not Available
Intercooler Pipes
Item #: HSP-D-600-2-HSP-W
Condition:
New
Not Available
Intercooler Pipes
Item #: HSP-D-600-2-HSP-SB
Condition:
New
Not Available
Item #: HSP-D-602-2-HSP-RAW
Condition:
New
Ships in 3 - 4 Weeks / Unless Informed Otherwise
Price: $575.00
Sale: $546.25
Save: 5%
Save: $28.75
Item #: HSP-D-600-2-HSP-RAW
Condition:
New
Ships in 1 - 2 Weeks / Unless Informed Otherwise
Price: $290.00
Sale: $275.50
Save: 5%
Save: $14.50
Item #: HSP-D-605-2D-HSP-Raw
Condition:
New
Ships in 2 - 3 Weeks / Unless Informed Otherwise
Price: $320.00
Sale: $304.00
Save: 5%
Save: $16.00
Description: For use with 2-3" Leveling kit with Aftermarket UCA
Item #: 25001-302-EXT2
Condition:
New
Price: $1,129.00
Sale: $1,072.55
Save: 5%
Save: $56.45
Description: Fits; 2001-2023 Chevrolet and GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD 2WD/4WD trucks, 2001-2013 Chevy and GMC 2500 2WD/4WD SUVs and Hummer H2, H2 SUTs. 1999-2018 Chevy and GMC 1500 6 Lug Trucks
Item #: KR86325
Condition:
New
Price: $19.99
Sale: $18.99
Save: 5%
Save: $1.00
NEW!
Description: Fits:
2020+ Chevrolet Silverado 2500HD / 3500HD
2020+ GMC Sierra 2500HD / 3500HD
Important Fitment Details:
This system will NOT work with Aftermarket Sway Bars. Be sure to confirm your sway bar diameter is 35MM prior to purchasing.
Item #: KRUSBB-G
Condition:
New
Price: $159.99
Sale: $151.99
Save: 5%
Save: $8.00
Description: Fits; 2015-2025 Chevy/GMC 2500/3500 HD *WITHOUT FACTORY TABS*
***Will work with PISK systems in place***
Item #: KRSS15FOX
Condition:
New
Price: $339.99
Sale: $322.99
Save: 5%
Save: $17.00
Description: Fits; 2011-2025 Chevy/GMC 2500/3500 HD *WITHOUT FACTORY TABS
Item #: KRSS15
Condition:
New
Price: $99.99
Sale: $94.99
Save: 5%
Save: $5.00
Description: Fits; 1988-Current Chevy/GMC 1500HD/2500HD/3500 TRUCKS and Much More, This is a popular Bolt on Style Ball Joint for many aftermarket applications Including Off-Road Jeep and Toyota Fitment. *GM...More Details »
Item #: KR6292
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00