UnderDog Diesel » 2025

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  • Year: 2025

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Items 61-120 of 166
Ships in 2 - 3 Weeks / Unless Informed Otherwise
Price: $320.00
Sale: $304.00
Save: 5%
Save: $16.00


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
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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

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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

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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
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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
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Description: Fits; 2011-2025 Chevrolet and GMC 2500HD/3500 Trucks, Also 2015-2018 Chevy and GMC Canyon / Colorado Trucks.
Item #: KR86376
Condition: New
Price: $99.99
Sale: $94.99
Save: 5%
Save: $5.00
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Description: Part# KRSM10-50 (50mm Reservoir) Fits: Rad Flo, (King 2.5 OEM Series w/ 2" reservoir)(CALL FOR FITMENT on Bilstein B8 5160) Fits; 2011+ Chevy/GMC 2500/3500 HD *SOLD AS A PAIR
Item #: KRSM11-50
Condition: New
Price: $179.99
Sale: $170.99
Save: 5%
Save: $9.00

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Description: Part# KRSM11-55 (55mm Reservoir) Fits: Fox 2.0 Performance Series, Fits; 2011+ Chevy/GMC 2500/3500 HD *SOLD AS A PAIR
Item #: KRSM11-55
Condition: New
Price: $179.99
Sale: $170.99
Save: 5%
Save: $9.00

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Description: Part# KRSM11-65 (65mm Reservoir) Fits: Fox 2.5 Race Series, Vertex 2.5, Elka 2.5 Fits; 2011+ Chevy/GMC 2500/3500 HD *SOLD AS A PAIR
Item #: KRSM11-65
Condition: New
Price: $179.99
Sale: $170.99
Save: 5%
Save: $9.00

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Description: Fits; 2011-2025 Chevrolet and GMC 2500HD/3500 Trucks.
Item #: 11KDG018
Condition: New
Price: $299.99
Sale: $284.99
Save: 5%
Save: $15.00

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Description: Fits; 2011-2025 2500/3500 GM HD Truck
Item #: KR280
Condition: New
Price: $239.99
Sale: $227.99
Save: 5%
Save: $12.00

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Description: Fits; 2011-2025 Chevy/GMC 2500/3500 HD TRUCK
Item #: KRISP11
Condition: New
Price: $549.99
Sale: $522.49
Save: 5%
Save: $27.50

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Description: Fits; 2011-2025 Chevy/GMC 2500HD/3500 GM Trucks
Item #: KR419A
Condition: New
Price: $239.99
Sale: $227.99
Save: 5%
Save: $12.00

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Description: Fits; 2011-2025 2500/3500 GM HD Truck
Item #: KRTR11
Condition: New
Price: $379.99
Sale: $360.99
Save: 5%
Save: $19.00

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Description: Fits; 2011-2025 GM HD Trucks (2500HD/3500) ***SRW ONLY (Single Rear Wheel)***
Item #: KRP0175
Condition: New
Price: $9.99
Sale: $9.49
Save: 5%
Save: $0.50
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Description: Fits; 2011-2025 Chevy/GMC 2500/3500 HD
Item #: KRGUSSET11
Condition: New
Price: $89.99
Sale: $85.49
Save: 5%
Save: $4.50
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Description: Fits; 2020-2025 CHEVY/GMC 2500/3500 HD
Item #: KRKEY20
Condition: New
Price: $119.99
Sale: $113.99
Save: 5%
Save: $6.00
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Description: Fits; 2011-2025 GM HD Trucks 2500HD/3500
Item #: KR0232
Condition: New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
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NEW!
Description: Fits: 1988–2026 Chevrolet 1500/1500HD/2500HD/3500 1988-2026 GMC 1500/1500HD/2500HD/3500 Important Fitment Details: Designed For HD Trucks Equipped with a Kryptonite Centerlink K Series...More Details »
Item #: 10KR78
Condition: New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
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Description: Fits; 2011-2025 CHEVY/GMC 2500/3500 HD Will NOT fit on 2024+ AT4X & ZR2 trucks equipped with DSSV shocks.
Item #: KRSE11
Condition: New
Price: $89.99
Sale: $85.49
Save: 5%
Save: $4.50
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Description: Fits; 2011-2025 GMC/Chevrolet 2500HD/3500 Trucks. Also 2007-2018 1500 Silverado, Sierra. And 2007-2019; Escalade, Avalanche, Suburban, Tahoe, Yukon, 6 Lug Trucks.
Item #: KRSLV11
Condition: New
Price: $34.99
Sale: $33.24
Save: 5%
Save: $1.75
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Description: Fits; 2011-2025 Chevy/GMC 2500/3500 HD
Item #: KR11SSU78
Condition: New
Price: $599.99
Sale: $569.99
Save: 5%
Save: $30.00

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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

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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

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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

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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

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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

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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

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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

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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

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Description: 2011+ Chevrolet Silverado 2500HD / 3500HD 2011+ GMC Sierra 2500HD / 3500HD
Item #: KRKN11
Condition: New
Price: $99.99
Sale: $94.99
Save: 5%
Save: $5.00
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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

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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

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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
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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
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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

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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
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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
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Description: Fits 2013-2023 Ram 3500 Note: 2013 models must be new generation ONLY. Does not fit Cab & Chassis, or trucks equipped with factory air suspension option. 2WD trucks require additional Spacer Kit...More Details »
Item #: 88-13130
Condition: New
Price: $899.95

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Description: Fits 2014-2025 Ram 2500 Ride Height = factory to +3". For Ride Height = +3" to +6" add spacer kit (88-12140-3). Includes heat wrap kit for tailpipe. Compatible with all 5th wheel hitches.
Item #: 89-12140
Condition: New
Price: $999.95

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Description: Fits 2020+ GM 2500/3500HD ~6400LBS Load Leveling Capacity at 150PSI Confirmed 5th Wheel Hitch Compatibility: OEM Puck System GNRK1020
Item #: 88-33200
Condition: New
Price: $899.95

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Description: Fits 2023+ Ford F-250/F-350/F-450 • Fits trucks with or without factory overload springs. • Does not fit cab & chassis models. • Not compatible with most aftermarket leaf springs....More Details »
Item #: 88-23230
Condition: New
Price: $899.95

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NEW!
Description: The DRW Hardware Kit is needed for certain DRW (Dually) trucks for proper installation of the LOGIQ Air Spring Kit. Required for 2017+ Ford F-350 / F-450 - DRW Trucks
Item #: 88-23XXX-DRW
Condition: New
Price: $149.95
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NEW!
Description: The DRW Hardware Kit is needed for certain DRW (Dually) trucks for proper installation of the LOGIQ Air Spring Kit. Required for 2011+ GM 3500 - DRW Trucks
Item #: 88-33XXX-DRW
Condition: New
Price: $59.95
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Engine Oil Filter
Description: Includes: -2x PPE GM 6.6L Duramax MicroPure XR® Engine Oil Filter (114000750) - PPE GM 6.6L Duramax Fuel Coolant Pump Relocation Kit (114002700)
Item #: 114000750 x2 & 114002700
Condition: New
Limited Supply: Only 0 Left!
Price: $100.00
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

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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


Price: $39.99
Sale: $35.99
Save: 10%
Save: $4.00
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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
Not Available
NEW!
Description: All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR EXCHANGES PERMITTED. Global B T93 Unlock Service required, see suggested products below. -MVPI4 or RTD4 required for tuning /...More Details »
Item #: VSE-GLOBAL-B-TCM-TUNE
Condition: New
Price: $349.00


NEW!
Description: All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR EXCHANGES PERMITTED. MPVI4 or RTD4 REQUIRED for use with the TDN App, any other model of HP Tuners Device will not work....More Details »
Item #: VSE-HPT-24-26-L5P-TUNE
Condition: New
Price: $1,000.00


CARB EO# -
Price: $379.00

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CARB EO # D756-7 for 2011-2023 Model Years
Price: $2,400.00


Price: $249.00
Sale: $224.10
Save: 10%
Save: $24.90


In stock! We only have one of each kit in stock, once greyed out and unable to select, we have sold out of that model.
Price: $2,500.00
Sale: $2,250.00
Save: 10%
Save: $250.00


Not Available
Price: $139.00
Sale: $125.10
Save: 10%
Save: $13.90
Raw/Micro Wrinkle Black/Polished are generally in stock, all other colors carry a 2-4 week lead time.
Price: $1,249.00
Sale: $1,124.10
Save: 10%
Save: $124.90


Description: **DOES NOT FIT EXTENDED CAB/SINGLE CAB TRUCKS/CAB AND CHASSIS TRUCKS Upper Fuel Filter is Replaced with a Filter Delete Manifold to retain factory lines and routing under the hood.
Item #: SPE-S100210
Condition: New
Price: $799.00
Sale: $719.10
Save: 10%
Save: $79.90


Items 61-120 of 166

View Universal items for: 2025