- Home »
- Catalog
UnderDog Diesel » 2023, GMC, Sierra 3500
Products for:
- Year: 2023
- Make: GMC
- Model: Sierra 3500
View Universal items for: 2023 GMC Sierra 3500
Browse Products
Turbo Up-Pipes
Item #: L5P-UP-PIPE
Condition:
New
*Allow 5-7 business days for processing from the manufacturer*
This product cannot ship to California.
Price: $599.99
CCV Kit, Oil Fill Relocation
Description: SEMA Certified Emissions Compliant: SC-JZM01-0067
-Made in USA
-Billet Aluminum
-Patent Pending
-Cam Lock Oil Fill Cap
-Extended Length Oil Fill Tube
Item #: L5P-CCV-KIT-COMPLIANT
Condition:
New
Limited Supply
Price: $419.99
No Image Available
NEW!
CCV Kit, Oil Fill Relocation
Description: -Made in USA
-Billet Aluminum
-Cam Lock Oil Fill Cap
-Extended Length Oil Fill Tube
Item #: L5P-CCV-KIT
Condition:
New
Limited Supply
Price: $389.00
Small Lead Time on Raw, 10-15 Business Days on Black
This product cannot ship to California.
Price: $389.99
Resonator Delete
Description: 3D Printed in House
Extra Durable ASA Plastic infused with Carbon Fiber
No Tuning Needed
Item #: DogBone-L5P-RES
Condition:
New
Price: $19.99
Oil Filler Neck
Description: This kit is a replacement for aftermarket CCV kits, such as the old JZM, DNA Distributors, SPELAB, VSE Kits.
6.875" Tall, ~ 1" Taller than other kits on the market. (2.5" Taller than the Old JZM Kit)
Cam-Lock Cap w/ O-ring Seal
Item #: JZM-L5P-OILFILL-KIT
Condition:
New
Price: $179.99
Description: Fits 2020-2023 GM 2500/3500HD All Models, *Fits 2024 GM 2500/3500HD Pro Models. (DASH MUST BE SAME AS IN PICTURE!)
Item #: UDD-2020CTS2/3-MOUNT
Condition:
New
Now shipping!
Price: $65.00
Catch Can Kit
Description: Fits:
ALL 2020-2025 6.6L GM Duramax equipped pickup trucks
ALL 2020-2025 6.6L GM Duramax equipped cab and chassis models.
Works with stock CCV & Aftermarket CCV Kits*
*If the truck is a...More Details »
Item #: VSE-20-24-L5P-CC
Condition:
New
Shipping Soon! Pallet of Inventory is on its way as of 4/9
Price: $399.99
Diff Covers
Description: Pro Series Rear Differential Cover Black w/ Machined Fins GM Diesel Trucks 2020 V8-6.6L (td) L5P Fits: GM Diesel Trucks 2020 V8-6.6L (td) L5P
Item #: 46-71260B
Condition:
New
Price: $336.00
No Image Available
Intercooler Hose Kit
Description: BladeRunner 3 IN Aluminum Hot and Cold Charge Pipe Kit Black GM Trucks 20-21 V8-6.6L (td) Fits: GM Diesel Trucks 20-21 V8-6.6L (td) L5P
Item #: 46-20444-B
Condition:
New
Price: $657.00
Exhaust System Kit
Description: Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System w/Black Tip GM Diesel Trucks 2020 V8-6.6L (td) L5P Fits: GM Diesel Trucks 2020 V8-6.6L (td) L5P
Item #: 49-44126-B
Condition:
New
Price: $808.00
Exhaust System Kit
Description: Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip GM Diesel Trucks 2020 V8-6.6L (td) L5P Fits: GM Diesel Trucks 2020 V8-6.6L (td) L5P
Item #: 49-44126-P
Condition:
New
Price: $729.00
Exhaust System Kit
Description: Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System w/Black Tip GM Diesel Trucks 20-21 V8-6.6L (td) L5P Fits: GM Diesel Trucks 20-21 V8-6.6L (td) L5P
Item #: 49-44125-B
Condition:
New
Price: $573.00
Exhaust System Kit
Description: Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip GM Diesel Trucks 2020 V8-6.6L (td) L5P Fits: GM Diesel Trucks 2020 V8-6.6L (td) L5P
Item #: 49-44125-P
Condition:
New
Price: $535.00
Air Filter
Description: Magnum FLOW OE Replacement Air Filter w/ Pro 5R Media GM Diesel Trucks 2020 V8-6.6L (td) L5P Fits: GM Diesel Trucks 2020 V8-6.6L (td) L5P
Item #: 30-10325
Condition:
New
Price: $103.00
No Image Available
Air Filter
Description: Magnum FLOW OE Replacement Air Filter w/ Pro DRY S Media GM Diesel Trucks 20-21 V8-6.6L (td) L5P Fits: GM Diesel Trucks 20-21 V8-6.6L (td) L5P
Item #: 31-10325
Condition:
New
Price: $112.00
Air Filters - Direct Fit
Description: Magnum FLOW OE Replacement Air Filter w/ Pro 5R Media GM Silverado/Sierra 1500 2019 V6-2.7L/4.3L/V8-5.3/6.2L Fits: 2019-2019 Chevrolet Silverado 1500 (Liter: 2.7, 5.3, 4.3, 6.2 & Cylinder: 4, 6, 8...More Details »
Item #: 30-10292
Condition:
New
Price: $88.00
Air Filters - Universal Fit
Description: Magnum FLOW OE Replacement Air Filter w/ Pro DRY S Media GM Silverado/Sierra 1500 2019 V6-2.7L/4.3L/V8-5.3/6.2L Fits: 2019-2019 Chevrolet Silverado 1500 (Liter: 2.7, 5.3, 4.3, 6.2 & Cylinder: 4, 6,...More Details »
Item #: 31-10292
Condition:
New
Price: $93.00
Cold Air Intakes
Description: Momentum GT Cold Air Intake System w/ Pro 5R Media GM Trucks 2500/3500HD 2020 V8-6.6L Fits: GM Trucks 2500/3500HD 2020 V8-6.6L
Item #: 50-70055R
Condition:
New
Price: $420.00
Engine Cold Air Intake
Description: Momentum HD Cold Air Intake System w/ Pro DRY S Media GM Diesel Trucks 2020 V8-6.6L (td) L5P Fits: GM Diesel Trucks 2020 V8-6.6L (td) L5P
Item #: 50-70056D
Condition:
New
Price: $433.00
Engine Cold Air Intake
Description: Momentum HD Cold Air Intake System w/ Pro 10R Media GM Diesel Trucks 2020 V8-6.6L (td) L5P Fits: GM Diesel Trucks 2020 V8-6.6L (td) L5P
Item #: 50-70056T
Condition:
New
Price: $420.00
Programmers & Tuners
Description: Sprint Booster Power Converter GM Silverado/Sierra 1500 2019 V6-2.7L/4.3L/V8-5.3/6.2L Fits: GM Silverado/Sierra 1500 2019 L4-2.7L (t)/V6-4.3L/V8-5.3/6.2L
Item #: 77-14009
Condition:
New
Price: $297.00
Oil Filters
Description: Pro GUARD D2 Oil Filter Ford Vehicles 08-19 V6-3.5L/3.7L/V8-5.0L / GM Vehicles 14-19 V8-5.3LÂ Fits: Ford F-150 15-17 V6-3.5L (tt)
Item #: 44-lf038
Condition:
New
Price: $15.00
Fuel Filters
Description: Pro GUARD D2 Fuel Filter GM Diesel Trucks 17-21 V8-6.6L (td) / 20-21 L6-3.0L (td) Fits: GM Diesel Trucks 17-21 V8-6.6L (td) / 20-21 L6-3.0L (td)
Item #: 44-FF023
Condition:
New
Price: $38.00
Oil Filters
Description: Pro GUARD D2 Oil Filter (4 Pack) Ford Vehicles 08-15 V6-3.5L(tt)/3.7L/V8-5.0L Fits: Ford Vehicles 08-15 V6-3.5L(tt)/3.7L/V8-5.0L
Item #: 44-LF025-MB
Condition:
New
Price: $54.97
In-Line Modules
Description: SCORCHER BLUE Bluetooth Capable Power Module GM Diesel Trucks 17-19 V8-6.6L (td) L5P Fits: GM Diesel Trucks 17-18 V8-6.6L (td) L5P
Item #: 77-84010
Condition:
New
Price: $573.00
In-Line Modules
Description: SCORCHER HD Power Module GM Diesel Trucks 17-19 V8-6.6L (td) L5P Fits: GM Diesel Trucks 17-18 V8-6.6L (td) L5P
Item #: 77-44010
Condition:
New
Price: $461.00
Diff Covers
Description: Street Series Rear Differential Cover Raw w/ Machined Fins GM Trucks 20-21 V8-6.6L (AAM 11.5/12.0-14) Fits: GM Trucks 20-21 V8-6.6L (AAM 11.5/12.0-14)
Item #: 46-71260A
Condition:
New
Price: $289.00
Headers & Manifolds
Description: Twisted Steel 304 Stainless Steel Short Tube Header GM Trucks 2500/3500HD 20-23 V8-6.6L L8T Fits: GM Trucks 2500/3500HD 20-23 V8-6.6L L8T
Item #: 48-34145
Condition:
New
Price: $1,075.00
Air Suspension Helper Spring Kit
Description: LoadLifter 5000 ULTIMATE Leaf spring air spring kit with internal jounce bumper
Item #: 88341
Condition:
New
Price: $962.37
Air Suspension Helper Spring Kit
Description: The LoadLifter 7500 XL Ultimate offers greater leveling strength for towing and hauling with 7 inch double bellows air springs and up to 7500 lbs. load-leveling capacity. The fully adjustable kit...More Details »
Item #: 57541
Condition:
New
Price: $1,105.65
Suspension Leveling Kit
Description: LoadLifter 5000; Leaf Spring Leveling Kit.
Item #: 57341
Condition:
New
Price: $768.74
Exhaust Gas Recirculation Temperature (EGRT) Sensor
Description: 2017-2023 L5P Duramax (Position 1, Located in the Passenger Exhaust Manifold)
2019-2023 L5D Duramax (Position 1)
Item #: AP63616
Condition:
New
Price: $54.99
Exhaust Gas Recirculation Temperature (EGRT) Sensor
Description: 2017-2023 L5P Duramax (Position 2, Located in the EGR Pipe)
2019-2023 L5D Duramax (Position 2)
Item #: AP63630
Condition:
New
Price: $39.99
Exhaust Gas Temperature (EGT) Sensor
Description: 2017-2023 L5P Duramax (Position 1)
2019-2023 L5D Duramax (Position 1)
Item #: AP63618
Condition:
New
Price: $43.99
Exhaust Gas Temperature (EGT) Sensor
Description: 2017-2023 L5P Duramax (Position 2)
2019-2023 L5D Duramax (Position 2/3/4)
Item #: AP63617
Condition:
New
Price: $42.99
Exhaust Gas Temperature (EGT) Sensor
Description: 2017-2023 L5P Duramax (Position 3, 4, 5)
2019-2023 L5D Duramax (Position 5)
Item #: AP63615
Condition:
New
Price: $39.99
Fuel Contamination Kit
Item #: AP54820
Condition:
New
Price: $3,949.99
Injector Return Line Seal Kit
Description: 1 Kit required per Injector Bank.
Item #: AP0133
Condition:
New
Price: $51.99
Fuel Rail Pressure (FRP) Sensor
Description: 2017-2023 L5P Duramax
2019-2023 L5D Duramax
Item #: AP63632
Condition:
New
Price: $141.99
Description: Fits Injectors 1,3,6,8
Item #: AP0132
Condition:
New
Price: $49.99
Description: Fits Injectors 2, 4, 5, 7
Item #: AP0131
Condition:
New
Price: $49.99
Injection Pump
Item #: AP54851
Condition:
New
Price: $869.99
Injection Pump
Item #: AP54850
Condition:
New
Price: $799.99
Description: *8 Required Per Engine*
Item #: AP54800
Condition:
New
Price: $200.98
Description: *2 Kits Per Required Per Engine*
Item #: AP54802
Condition:
New
Price: $983.84
Item #: AP0203
Condition:
New
Price: $220.94
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
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?
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 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
Fifth Wheel Trailer Hitch Slider
Description: The Companion 5th Wheel Hitch was designed to address the issue of sloppiness in hitches. The result is a quiet, cushioned ride that is free of jerking. And it's easily removable with its...More Details »
Item #: RVB3775
Condition:
New
Price: $1,200.00
Tonneau Cover
Description: Revolver X4s Hard Rolling Truck Bed Cover - 2020-2024 Chevy Silverado/GMC Sierra 2500 HD/3500 HD 8' Bed Application Summary: 2020-2024 Chevrolet Silverado 2500 HD 98.2 Bed, 2020-2024 Chevrolet...More Details »
Item #: 80134
Condition:
New
Price: $1,399.99
MAP Sensor Spacer
Description: Extends MAP Sensor Life
Protects sensor from soot buildup
Lower & Upper MAP Sensor Relocator
FOR 2023-2025 CHEVY/GMC 2500/3500 6.6L L5P
This is for both MAP Sensors, if you already have the upper, please purchase 64414
Item #: 64415
Condition:
New
Price: $129.00
MAP Sensor Spacer
Description: Extends MAP Sensor Life
Protects sensor from soot buildup
Lower MAP Sensor Relocator
FOR 2023-2025 CHEVY/GMC 2500/3500 6.6L L5P
This is for the lower MAP sensor only. This kit is intended for...More Details »
Item #: 64414
Condition:
New
Price: $69.00
MAP Sensor Spacer
Description: Extends MAP Sensor Life
Protects sensor from soot buildup
MAP Sensor Relocator
FOR 2017-2025 CHEVY/GMC 2500/3500 6.6L L5P
Item #: 64410
Condition:
New
Price: $69.00