- Home »
- Catalog
UnderDog Diesel » Sierra 3500
Products for:
- Model: Sierra 3500
View Universal items for: Sierra 3500
Browse Products
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: $496.99
Allison 1000 5SPD - 6SPD
Item #: A101-32C2BILLET
Condition:
New
Price: $499.00
Allison 1000 5SPD - 6SPD
Item #: GFP-ALLISON
Condition:
New
Price: $349.00
Current build time of 10-12 business days.
Price: $3,699.00
Allison 1000 6SPD (2006 - 2016)
Item #: A-GT6KIT
Condition:
New
Current build time of 10-12 business days.
Price: $3,699.00
Allison 1000 6SPD (2017 - 2019)
Item #: A-GT6KIT-L5P
Condition:
New
Current build time of 10-12 business days.
Price: $3,699.00
Allison 1000 6SPD (2006 - 2016)
Item #: ATCK-L3D
Condition:
New
Price: $425.00
Allison 1000 5SPD | 6SPD (2001 - 2016)
Item #: ATC-(#)
Condition:
New
Current build time of 7-9 days.
Price: $1,545.00
Allison 10L1000
Item #: ATC-(#)-2020
Condition:
New
Current build time of 6-8 business days.
Price: $1,845.00
Allison 1000 6SPD (2017 - 2019)
Item #: ATC-L5P
Condition:
New
Current build time of 9-11 days.
Price: $1,545.00
Allison 1000 5SPD - 6SPD
Item #: A-PAN-A1000-KIT
Condition:
New
Price: $319.00
Description: Includes lines for cylinders 1-8
Item #: GA47811N
Condition:
New
Price: $299.95
Transmission Control Module
Description: HP Tuners TCM - GM-T87A / 17+ Duramax
Item #: TCM-00-T87A
Condition:
New
Price: $399.99
Description: Cap for L5P Coolant Pipe
Item #: RSCC-025-BLK w/13-15
Condition:
New
Price: $15.25
Accessory Switch
Description: HP Tuners Diesel Switch (GM E41-L5P)
Item #: H-M04-00
Condition:
New
Price: $79.99
Engine Control Module (ECM)
Description: HP Tuners L5P - Modified ECM Purchase
Item #: ECM-00-L5P-P
Condition:
New
Price: $1,499.99
Engine Control Module (ECM)
Description: HP Tuners L5P - ECM Exchange Service
Item #: ECM-00-L5P-E
Condition:
New
Price: $649.99
Engine Control Module (ECM)
Description: HP Tuners L5P - ECM Upgrade Service
Item #: ECM-00-L5P-U
Condition:
New
Price: $649.99
Cold Air Intake
Item #: 031-2-HSP-C
Condition:
New
Price: $289.75
Cold Air Intake
Item #: 031-2-HSP-RAW
Condition:
New
Price: $251.75
HSP Diesel 2001-2004 Chevrolet / GMC 2 inch Replacement Passenger Side Up-Pipe Ceramic - 031-1-HSP-C
Cold Air Intake
Item #: 031-1-HSP-C
Condition:
New
Price: $289.75
Cold Air Intake
Item #: 031-1-HSP-RAW
Condition:
New
Price: $251.75
Cold Air Intake
Item #: 031-HSP-C
Condition:
New
Price: $545.25
Cold Air Intake
Item #: 031-HSP-RAW
Condition:
New
Price: $474.00
Cold Air Intake
Item #: 146-HSP-CUST
Condition:
New
Price: $684.00
Cold Air Intake
Item #: 146-HSP-BR
Condition:
New
Price: $612.75
Cold Air Intake
Item #: 146-HSP-CB
Condition:
New
Price: $612.75
Cold Air Intake
Item #: 146-HSP-CR
Condition:
New
Price: $612.75
Cold Air Intake
Item #: 146-HSP-CP
Condition:
New
Price: $612.75
Cold Air Intake
Item #: 146-HSP-GB
Condition:
New
Price: $612.75
Cold Air Intake
Item #: 146-HSP-DG
Condition:
New
Price: $612.75
Cold Air Intake
Item #: 146-HSP-O
Condition:
New
Price: $612.75
Cold Air Intake
Item #: 146-HSP-W
Condition:
New
Price: $612.75
Cold Air Intake
Item #: 146-HSP-RAW
Condition:
New
Price: $565.25
Cold Air Intake
Item #: 146-HSP-SB
Condition:
New
Price: $612.75
Cold Air Intake
Item #: 102-HSP-CUST
Condition:
New
Price: $541.50
Cold Air Intake
Item #: 102-HSP-BR
Condition:
New
Price: $470.25
Cold Air Intake
Item #: 102-HSP-CB
Condition:
New
Price: $470.25
Cold Air Intake
Item #: 102-HSP-CR
Condition:
New
Price: $470.25
Cold Air Intake
Item #: 102-HSP-CP
Condition:
New
Price: $470.25
Cold Air Intake
Item #: 102-HSP-GB
Condition:
New
Price: $470.25
Cold Air Intake
Item #: 102-HSP-DG
Condition:
New
Price: $470.25
Cold Air Intake
Item #: 102-HSP-O
Condition:
New
Price: $470.25
Cold Air Intake
Item #: 102-HSP-W
Condition:
New
Price: $470.25
Cold Air Intake
Item #: 102-HSP-RAW
Condition:
New
Price: $403.75
Cold Air Intake
Item #: 102-HSP-SB
Condition:
New
Price: $470.25
Intercooler Pipes
Item #: 103-HSP-CUST
Condition:
New
Price: $232.75
Cold Air Intake
Item #: 103-HSP-BR
Condition:
New
Price: $161.50
Intercooler Pipes
Item #: 103-HSP-CB
Condition:
New
Price: $161.50
Intercooler Pipes
Item #: 103-HSP-CR
Condition:
New
Price: $161.50
Intercooler Pipes
Item #: 103-HSP-CP
Condition:
New
Price: $161.50
Intercooler Pipes
Item #: 103-HSP-GB
Condition:
New
Price: $161.50
Intercooler Pipes
Item #: 103-HSP-DG
Condition:
New
Price: $161.50
Intercooler Pipes
Item #: 103-HSP-O
Condition:
New
Price: $161.50
Intercooler Pipes
Item #: 103-HSP-W
Condition:
New
Price: $161.50
Intercooler Pipes
Item #: 103-HSP-RAW
Condition:
New
Price: $128.25
Intercooler Pipes
Item #: 103-HSP-SB
Condition:
New
Price: $161.50
Engine Valve Cover
Item #: 146-DG
Condition:
New
Price: $612.75
Cold Air Intake
Item #: 102-DG
Condition:
New
Price: $470.25
Cold Air Intake
Item #: 103-DG
Condition:
New
Price: $161.50