- Home »
- Catalog
UnderDog Diesel » Sierra 3500
Products for:
- Model: Sierra 3500
View Universal items for: Sierra 3500
Browse Products
Running Board
Description: PowerStep SmartSeries Running Board fits 17-19 Chev/GMC 2500HD/3500HD Ext.Cab/CrwCab Diesel
Item #: 86247-01A
Condition:
New
Price: $1,949.99
Running Board
Description: PowerStep SmartSeries Running Board fits 2019-2021 Silverado/Sierra 1500, 2020-2023 Silverado/Sierra 2500/3500 Double/Crew Cab
Item #: 86254-01A
Condition:
New
Price: $1,949.99
Truck Cab Side Step
Description: BedStep® - Retractable Rear Bumper Access Step
Item #: 75301-01A
Condition:
New
Price: $329.99
Truck Cab Side Step
Description: Dually requires 75610-01A for installation
Item #: 75400-01A
Condition:
New
Price: $329.99
Running Board
Description: PowerStep XL?
Item #: 77254-01A
Condition:
New
Price: $2,299.99
Truck Cab Side Step
Description: BedStep® - Retractable Rear Bumper Access Step Fits: 2020-2021 Chevrolet Silverado 2500 HD; 2020-2021 Chevrolet Silverado 2500 HD; 2020-2021 Chevrolet Silverado 3500 HD; 2020-2021 Chevrolet...More Details »
Item #: 75327-01A
Condition:
New
Price: $329.99
Truck Cab Side Step
Description: Bedstep 2 Retractable Bed Side Step fits 2020-2020 Chevrolet Silverado/Sierra 2500/3500 Fits: 2020 Chevrolet Silverado 2500 HD, 2020 Chevrolet Silverado 3500 HD, 2020 GMC Sierra 2500 HD, 2020 GMC Sierra 3500 HD
Item #: 75418-01A
Condition:
New
Price: $329.99
Running Board
Description: PowerStep; Black; Incl. Light Kit
Item #: 75113-01A
Condition:
New
Price: $1,599.99
Running Board
Description: Non Plug N Play System-Includes OEM style illumination-Crew Cab Only
Item #: 77126-01A
Condition:
New
Price: $2,299.99
Truck Bed Tailgate Extender
Description: BedXtender HD Sport; Black; Full Size; Standard/Stepside Bed Trucks
Item #: 74805-01A
Condition:
New
Price: $329.99
Truck Bed Tailgate Extender
Description: BEDXTENDER HD MAX-GM
Item #: 74815-01A
Condition:
New
Price: $329.99
Truck Bed Tailgate Extender
Description: BedXtender HD Sport; Silver; Full Size; Standard/Stepside Bed Trucks
Item #: 74805-00A
Condition:
New
Price: $329.99
Truck Bed Tailgate Extender
Description: BEDXTENDER HD MAX-GM
Item #: 74815-00A
Condition:
New
Price: $329.99
Truck Bed Tailgate Extender
Description: Mounting Bracket
Item #: 74606-01A
Condition:
New
Price: $59.99
Running Board
Description: Includes OEM style illumination Excludes 2011-2014 Diesel
Item #: 75126-01A
Condition:
New
Price: $1,599.99
Running Board
Description: Includes OEM style illumination Diesel only
Item #: 75146-01A
Condition:
New
Price: $1,649.99
Truck Cab Side Step
Description: BedStep® - Retractable Rear Bumper Access Step Fits: 2011-2014 Chevrolet Silverado 2500 HD; 2011-2014 Chevrolet Silverado 3500 HD; 2011-2014 GMC Sierra 2500 HD; 2011-2014 GMC Sierra 3500 HD;...More Details »
Item #: 75308-01A
Condition:
New
Price: $329.99
Running Board Trim Strip
Description: PowerStep? Chrome Trim Strip
Item #: 75150-01A
Condition:
New
Price: $79.99
Running Board
Description: Plug N Play System-includes OEM style illumination Gas Only
Item #: 77154-01A
Condition:
New
Price: $2,299.99
Running Board
Description: Includes OEM style illumination
Item #: 75154-01A-B
Condition:
New
Price: $1,599.99
Running Board Hardware Kit
Description: PowerStep? Plug-N-Play Conversion Kit Fits: 2014-2018 Chevrolet Silverado 1500; 2015-2019 Chevrolet Silverado 2500 HD; 2015-2019 Chevrolet Silverado 3500 HD; 2014-2018 GMC Sierra 1500; 2015-2019...More Details »
Item #: 76400-01A
Condition:
New
Price: $219.99
Running Board
Description: Plug N Play System-includes OEM style illumination Diesel only
Item #: 76147-01A
Condition:
New
Price: $1,799.99
Truck Cab Side Step
Description: BedStep® - Retractable Rear Bumper Access Step Fits: 2015-2019 Chevrolet Silverado 2500 HD; 2015-2019 Chevrolet Silverado 3500 HD; 2015-2019 GMC Sierra 2500 HD; 2015-2019 GMC Sierra 3500 HD
Item #: 75315-01A
Condition:
New
Price: $329.99
Running Board
Description: Plug N Play System-includes OEM style illumination
Item #: 76154-01A
Condition:
New
Price: $1,799.99
Running Board
Description: PowerStep Xtreme; Black;
Item #: 78154-01A
Condition:
New
Price: $2,199.99
Running Board
Description: PowerStepâ„¢
Item #: 76247-01A
Condition:
New
Price: $1,799.99
Running Board
Description: PowerStep?
Item #: 76254-01A
Condition:
New
Price: $1,799.99
Running Board
Description: PowerStep ? Xtreme
Item #: 78254-01A
Condition:
New
Price: $2,199.99
Running Board
Description: PowerStep Xtreme Electric Running Board for Extreme Conditions fits 22-24 Chevrolet Silverado/GMC Sierra; Double and Crew Cab; Includes Gas and Diesel Fits: 2022-2023 Chevrolet Silverado 1500, 2024...More Details »
Item #: 78255-01A
Condition:
New
Price: $2,199.99
Running Board
Description: PowerStep Plug-N-Play Automatic Power-Deploying Running Boards fits 2022 Chevy Silverado 1500/GMC Sierra 1500 Double/Crew Cab; Includes Gas and Diesel Fits: 2022 Chevrolet Silverado 1500 Crew Cab...More Details »
Item #: 76255-01A
Condition:
New
Price: $1,799.99
Running Board
Description: PowerStep XL Electric Running Board, Offers 3 Inch Additional Drop, fits 2022 Chevrolet Silverado/GMC Sierra 1500; Crew Cab; Includes Gas and Diesel Fits: 2022 Chevrolet Silverado 1500 Crew Cab...More Details »
Item #: 77255-01A
Condition:
New
Price: $2,299.99
Running Board
Description: PowerStep SmartSeries Running Board fits 2022-23 Silverado/Sierra 1500, 2024 Silverado/Sierra 2500/3500HD Double/Crew Cab
Item #: 86255-01A
Condition:
New
Price: $1,949.99
Running Board Control Module Connector
Description: Plug-N-Play Pass Thru Harness-All Applicaple Models
Item #: 76404-01A
Condition:
New
Price: $119.99
Power Running Board Override Switch
Description: OVERRIDE SWITCH WITH STA1 CONTROLLER-FITS ALL EXCLUDING 75141-01A/75134-01A
Item #: 79105-01A
Condition:
New
Price: $169.99
Running Board End Cap
Description: Fits all applications with NEW STYLE Extrusion Call AMP tech support for details Will NOT fit 2011-2014 GM Diesel; H2; H3; Jeep; and Tacoma
Item #: 75149-01A
Condition:
New
Price: $99.99
Running Board End Cap
Description: Fits all applications with OLD STYLE Extrusion Call AMP tech support for details NOT required for 2011-2014 GM Diesel Will NOT fit H2; H3; Jeep; and Toyota Tacoma
Item #: 75151-01A
Condition:
New
Price: $299.99
No Image Available
Description: ARP 01-10 6.6L GM Duramax Diesel Head Stud Kit
Item #: 230-4201
Condition:
New
Price: $814.20
Description: ATI Damper - 7.425in - Steel - 6 Grv - Duramax - 11+ - LML & LGH - Ext Bal - Diesel - 3 Ring
Item #: ATI917376
Condition:
New
Price: $464.31
Transmission Input Shaft
Item #: 304-910-4248
Condition:
New
Price: $793.00
Transmission Intermediate Shaft
Item #: 304-920-4248
Condition:
New
Price: $495.00
Transmission Output Shaft
Item #: 304-930-4248
Condition:
New
Price: $750.00
Differential Covers
Item #: 402-915-6248
Condition:
New
Price: $280.68
Transmission Control Module
Item #: 601-904-4248
Condition:
New
Price: $1,175.00
Transmission Control Module
Item #: 601-904-4308
Condition:
New
Price: $1,175.00
Transmission Cooler Lines
Item #: 314-005-4248
Condition:
New
Price: $35.00
Transmission Flexplate
Item #: 305-900-4248
Condition:
New
Price: $785.00
Auto Trans Overhaul Kit
Item #: 313-994-4248
Condition:
New
Price: $167.48
Auto Trans Clutch Kit
Item #: 308-805-4248
Condition:
New
Price: $304.50
Transmission Control Module
Item #: 601-924-4248
Condition:
New
Price: $1,175.00
Transmission Control Module
Item #: 601-924-4308
Condition:
New
Price: $1,175.00
Transmission Control Module
Item #: 601-924-4368
Condition:
New
Price: $1,175.00
Automatic Transmission Oil Pan
Item #: 301-900-4248
Condition:
New
Price: $372.75
Transmission Cooler Lines
Item #: 314-005-4272
Condition:
New
Price: $35.00
Auto Trans Overhaul Kit
Item #: 313-921-4248
Condition:
New
Price: $1,725.50
Auto Trans Overhaul Kit
Item #: 313-921-4308
Condition:
New
Price: $1,725.50
Auto Trans Overhaul Kit
Item #: 313-921-4368
Condition:
New
Price: $1,725.50
Transmission Valve Body
Item #: 303-900-4248
Condition:
New
Price: $857.68
Transmission Valve Body
Item #: 303-900-4272
Condition:
New
Price: $857.68
Transmission Valve Body
Item #: 303-900-4308
Condition:
New
Price: $857.68
Fuel Pressure Regulator
Item #: 303-010-4248
Condition:
New
Price: $101.49