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UnderDog Diesel » 2023, Sierra 3500
Products for:
- Year: 2023
- Model: Sierra 3500
View Universal items for: 2023 Sierra 3500
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Description: Fits; 2011-2025 Chevy/GMC 2500/3500 HD
(Factory Taper Size)
Item #: KRCLP11
Condition:
New
Price: $799.99
Sale: $759.99
Save: 5%
Save: $40.00
Description: Fits; 2020-2025 Chevy/GMC 2500/3500 HD
Will NOT fit on AT4X & ZR2 trucks equipped with DSSV shocks.
Item #: KR20STAGE1
Condition:
New
Price: $169.99
Sale: $161.49
Save: 5%
Save: $8.50
Description: Fits; 2020-2025 Chevy/GMC 2500/3500 HD
Will NOT fit on AT4X & ZR2 trucks equipped with DSSV shocks.
Item #: KR20STAGE2
Condition:
New
Price: $799.99
Sale: $759.99
Save: 5%
Save: $40.00
Description: Fits; 2020-2025 Chevy/GMC 2500/3500 HD
Will NOT fit on AT4X & ZR2 trucks equipped with DSSV shocks.
Item #: KR20STAGE3FOX
Condition:
New
Price: $1,559.99
Sale: $1,481.99
Save: 5%
Save: $78.00
Description: Fits; 2020-2025 Chevy/GMC 2500/3500 HD
Will NOT fit on AT4X & ZR2 trucks equipped with DSSV shocks.
Item #: KR20STAGE4FOX
Condition:
New
Price: $1,999.99
Sale: $1,899.99
Save: 5%
Save: $100.00
Description: Fits; 2020-2025 Chevy/GMC 2500HD/3500 TRUCKS and Much More
Item #: KRSBEL20
Condition:
New
Price: $159.99
Sale: $151.99
Save: 5%
Save: $8.00
Description: Fits; 2020-2024 Chevy/GMC 2500HD/3500 TRUCKS with lifts higher than 6"
Item #: KRSBEL1425
Condition:
New
Price: $169.99
Sale: $161.49
Save: 5%
Save: $8.50
Description: Fits; 2020-2025 Chevy/GMC 2500HD/3500 TRUCKS and Much More
Item #: KRSBEL26
Condition:
New
Price: $169.99
Sale: $161.49
Save: 5%
Save: $8.50
Description: Fits; 2011-2025 CHEVY/GMC 2500/3500 HD
Item #: ULTIMATE11
Condition:
New
Price: $1,499.99
Sale: $1,424.99
Save: 5%
Save: $75.00
Description: Fits; 2011-2025 Chevy/GMC Truck 2500HD/3500 With Aftermarket Bolt on Ball Joint Style Control Arms ONLY!
Item #: 1119BJPACK-2
Condition:
New
Price: $199.99
Sale: $189.99
Save: 5%
Save: $10.00
Description: Fits; 2011-2025 Kryptonite and Cognito Upper Control arms ONLY!
*Will not fit FTS Arms, or Stock control arms.
Item #: KRBUCA11
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Description: Fits; Kryptonite Upper Control Arms for the 2011-2025 GM 2500HD-3500 Trucks
Item #: PB67548, PB67547
Condition:
New
Price: $19.98
Sale: $18.98
Save: 5%
Save: $1.00
Description: Fits; 2020-2025 Chevy/GMC 2500/3500 HD Truck
Item #: KRUCA20
Condition:
New
Price: $699.99
Sale: $664.99
Save: 5%
Save: $35.00
Description: Fits; 2011-2025 Chevy/GMC 2500/3500 HD Truck
Item #: KR1025
Condition:
New
Price: $9.99
Sale: $9.49
Save: 5%
Save: $0.50
Description: Fits; Most all 8 Lug GM Trucks (Front end) from 2011-2024
Item #: KRP0179
Condition:
New
Price: $12.99
Sale: $12.34
Save: 5%
Save: $0.65
Description: Actuator Included
Airflow to support 700HP
Up to 650 RWHP with stock emissions equipment and basic supporting mods
Tested in competition setups with extensive supporting mods to make 700+ RWHP
41 psi boost @ Sea Level
Item #: DM1MO1070203010
Condition:
New
Price: $3,700.00
Sale: $3,330.00
Save: 10%
Save: $370.00
Description: Actuator Not Included
Airflow to support 700HP
Up to 650 RWHP with stock emissions equipment and basic supporting mods
Tested in competition setups with extensive supporting mods to make 700+ RWHP
41 psi boost @ Sea Level
Item #: DM1MO1070203000
Condition:
New
Price: $3,100.00
Sale: $2,790.00
Save: 10%
Save: $310.00
Description: Actuator Included
Airflow to support 800HP
Up to 650 RWHP with stock emissions equipment and basic supporting mods
Tested in competition setups with extensive supporting mods to make 800+ RWHP
Item #: DM1MO1070303010
Condition:
New
Price: $3,975.00
Sale: $3,577.50
Save: 10%
Save: $397.50
Description: Does not include Actuator
Airflow to support 800HP
Up to 650 RWHP with stock emissions equipment and basic supporting mods
Tested in competition setups with extensive supporting mods to make 800+ RWHP
Item #: DM1MO1070303000
Condition:
New
Price: $3,500.00
Sale: $3,150.00
Save: 10%
Save: $350.00
Description: -Actuator Included
-Proven to support up to 625 RWHP with stock emissions
-Extra airflow to make 80-100rwhp over 'Tune only' L5P
-Works great with box tuners, custom tuning, or without tuning...More Details »
Item #: DM1MO1070103010
Condition:
New
Price: $2,650.00
Description: -Actuator Not Included
-Proven to support up to 625 RWHP with stock emissions
-Extra airflow to make 80-100rwhp over 'Tune only' L5P
-Works great with box tuners, custom tuning, or without...More Details »
Item #: DM1MO1070103000
Condition:
New
Price: $1,950.00
Price: $69.00
Exhaust Tail Pipe Tip
Description: Tip 6in OD 5in Inlet 15.5in Length 30° Bend Black-Coated Stainless Steel. Note: Cutting May Be Required for Installation.
Item #: T5154BLK
Condition:
New
Not Available
Exhaust Tail Pipe Tip
Description: Tip 6in OD 5in Inlet 15.5in Length 30° Bend T304 Stainless Steel. Note: Cutting May Be Required for Installation.
Item #: T5154
Condition:
New
Not Available
Description: Made in America
Uses OEM Connector
Uses OEM Pins
100% Sealed
LIFETIME WARRANTY
Item #: USCAN2D
Condition:
New
Price: $169.99
Description: Tuning Required
Item #: PDW-0623-DMAX-GEK
Condition:
New
Price: $159.99
Exhaust
Item #: 117020200
Condition:
New
Price: $199.99
Sale: $179.99
Save: 10%
Save: $20.00
Exhaust Manifold Kit
Description: Significant reduction in exhaust back-pressure
Lower EGTs, better turbo efficiency and fuel economy
Sil-moly cast iron construction
Two-inch Free-Flow up-pipes with sleeved bellows
Up-pipes...More Details »
Item #: 116112500
Condition:
New
Price: $1,499.99
Sale: $1,349.99
Save: 10%
Save: $150.00
Exhaust Manifold Kit
Description: Significant reduction in exhaust back-pressure
Lower EGTs, better turbo efficiency and fuel economy
Sil-moly cast iron construction
Two-inch Free-Flow up-pipes with sleeved bellows
Up-pipes...More Details »
Item #: 116112520
Condition:
New
Price: $1,689.99
Sale: $1,520.99
Save: 10%
Save: $169.00
Exhaust Manifold Kit
Description: Significant reduction in exhaust back-pressure
Lower EGTs, better turbo efficiency and fuel economy
Sil-moly cast iron construction
Two-inch Free-Flow up-pipes with sleeved bellows
Up-pipes...More Details »
Item #: 116112535
Condition:
New
Price: $1,689.99
Sale: $1,520.99
Save: 10%
Save: $169.00
Engine Oil Pan
Item #: 114052201
Condition:
New
Price: $19.99
Sale: $17.99
Save: 10%
Save: $2.00
Item #: 116112583
Condition:
New
Price: $39.99
Sale: $35.99
Save: 10%
Save: $4.00
Price: $39.99
Sale: $35.99
Save: 10%
Save: $4.00
Description: Fits 2020-2024 GM 2500/3500 w/ Overload Springs
~6400LBS Load Leveling Capacity at 150PSI
Confirmed 5th Wheel Hitch Compatibility:
OEM Puck System
GNRK1020
For use with factory overload...More Details »
Item #: 88-33200
Condition:
New
Price: $899.95
Suspension Leaf Spring Block Kit
Description: GM 2500HD/3500HD OEM Style 1" Rear Lift Block Kit Fits 2011-2024 GM HD trucks. Includes new longer u-bolts and hardware OEM style cast iron construction.
NOTE: Not intended for vehicles equipped...More Details »
Item #: 66-3111
Condition:
New
Price: $149.95
Leaf Helper Spring
Description: Block And Add-A-Leaf Kit 4 in. Blocks Incl. U-Bolts Fits: 2011-15 SILVERADO/SIERRA 2500HD/3500HD-4in. Block kit and U-Bolt
Item #: 26-3204
Condition:
New
Not Available
Leaf Helper Spring
Description: Block And Add-A-Leaf Kit 5 in. Blocks Incl. U-Bolts Fits: 2011-16 SILVERADO/SIERRA 2500HD/3500HD-5in. Block kit and U-Bolt
Item #: 26-3205
Condition:
New
Not Available
Suspension Control Arm
Description: Control Arm Fabricated Upper
Item #: 44-3035
Condition:
New
Not Available
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 1 in. Cast Iron Blocks Incl. Integrated Locating Pin E-Coated U-Bolts Nuts/Washers For Use w/Factory Top Overloads Fits: 2011-16 GM/CHEVY HD 2500 2WD/4WD-1.0in. TALL OEM STYLE...More Details »
Item #: 66-3121
Condition:
New
Price: $149.95
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 2 in. Cast Iron Blocks Incl. Integrated Locating Pin E-Coated U-Bolts Nuts/Washers Fits: 2011-16 GM/CHEVY HD 2500 2WD/4WD-2.0in. TALL OEM STYLE REAR BLOCK KIT. . CAST CONSTRUCTION...More Details »
Item #: 66-3112
Condition:
New
Price: $169.95
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 2 in. Cast Iron Blocks Incl. Integrated Locating Pin E-Coated U-Bolts Nuts/Washers For Use w/Factory Top Overloads Fits: 2011-16 GM/CHEVY HD 2500 2WD/4WD-2.0in. TALL OEM STYLE...More Details »
Item #: 66-3122
Condition:
New
Price: $169.95
Cold Air Intake
Item #: 75-5136
Condition:
New
Price: $349.00
Cold Air Intake
Item #: 75-5136D
Condition:
New
Price: $349.00
Fuel Tank
Description: The distance to empty (DTE) on GM trucks can’t be reprogrammed, so it will show about half the mileage that is really left. This occurs with all aftermarket high-capacity fuel tanks.
The fuel...More Details »
Item #: 10-1016-1
Condition:
New
Price: $1,349.00
Fuel Tank
Description: Important Note about the Fuel Gauge Operation:
The distance to empty (DTE) on GM trucks can’t be reprogrammed, so it will show about half the mileage that is really left. You can multiple the...More Details »
Item #: 10-1017
Condition:
New
Price: $1,249.00
Description: For modified trucks only.
Item #: L5P-CP3-10
Condition:
New
This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $2,912.00
Description: For modified trucks only.
Item #: L5P-CP3-12
Condition:
New
This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $3,406.00
Description: For modified trucks only.
Item #: L5P-CP3-14
Condition:
New
This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $3,900.00
Item #: L5P-100-SAC
Condition:
New
This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $4,305.60
Item #: L5P-150-SAC
Condition:
New
This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $4,903.60
Item #: L5P-200-SAC
Condition:
New
This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $5,501.60
Item #: L5P-050-SAC
Condition:
New
This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $3,707.60
Description: Replaces the Failure Prone Factory Turbo Coolant Return Tube
-Billet Aluminum
-High Temp O-Ring for leak proof seal.
*Stock Trucks may require modifications to coolant hoses*
Intended for...More Details »
Item #: SRF-L5P-TCF
Condition:
New
Not Available
In stock. Order by 2PM EST for guaranteed same day shipping.
Price: $60.00
Description: Replaces the Failure Prone Factory Turbo Coolant Return Tube
-Billet Aluminum
-High Temp O-Ring for leak proof seal.
-Coolant Rated Hose
*Stock Trucks may require modifications to coolant...More Details »
Item #: SRF-L5P-TCFA-20
Condition:
New
Not Available
In stock. Order by 2PM EST for guaranteed same day shipping.
Price: $75.00
Fuel Tank
Description: Extra Large Midship Tank 56 Gallon
Item #: 7010220
Condition:
New
Price: $1,300.55
Fuel Tank
Description: Extra Large Midship Tank 60 Gallon
Item #: 7010320
Condition:
New
Price: $1,367.05
Coolant Block-Off Plate
Description: Billet Aluminum
Black Anodized
Viton O-Ring Integrated Seal
Includes New Grade 10.9 Hardware
Machined in the USA
Item #: UDD-DMAX-CBOP
Condition:
New
Price: $50.95
Sale: $45.86
Save: 10%
Save: $5.09
Description: Replaces failure prone plastic factory GM Heater Core Firewall Coolant Fitting
Billet direct-fit replacement with 5/8" barb connection
More resistant to heat and vibration
Double O-ring...More Details »
Item #: WCF100155
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $42.00
Sale: $40.74
Save: 3%
Save: $1.26
Description: - CNC Machined Billet Cap is a direct OEM Replacement not a cover
- Includes new diaphragm seal
- Made in USA
- Black Anodized Finish
- Installs in seconds
Item #: WCF100216
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $45.00
Sale: $43.65
Save: 3%
Save: $1.35
Description: - CNC Machined Billet Cap is a direct OEM Replacement not a cover
- Includes new diaphragm seal
- Made in USA
- Clear Anodized Finish
- Installs in seconds
Item #: WCF100215
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $45.00
Sale: $43.65
Save: 3%
Save: $1.35