- Home »
- Catalog
UnderDog Diesel » 2021
Products for:
- Year: 2021
View Universal items for: 2021
Browse Products
Description: Fits; 1999-2022 Ford Super Duty F250/F350, 2000-2005 Ford Excursion, 1999-2018 Ford Super Duty F450, 1999-2004 Ford Super Duty F550, Also 1994-1999 Dodge Ram 2500/3500 Trucks. 4WD Trucks Only.
Item #: KR8607T
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Description: Fits; 2011-2025 GM HD Trucks 2500HD/3500
Item #: KR0232
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Description: Fits; (OEM SPEC ball joints. These are NOT suitable replacements if knurled ball joints have been installed)
2014-2024 Ram 2500 4x4
2013-2024 Ram 3500 4x4
Condition:
New
Price: $59.99
Description: Fits; 2014-2024 RAM 2500/3500 4X4
*SOLD AS A KIT, FITS KRYPTONITE DEATH GRIP TIE ROD ONLY.
Item #: KRDSS14
Condition:
New
Price: $399.99
Sale: $379.99
Save: 5%
Save: $20.00
Description: Fits; 2014-2024 RAM 2500/3500 4X4
*SOLD AS A KIT, FITS KRYPTONITE DEATH GRIP TIE ROD ONLY.
Item #: KRDSS14S
Condition:
New
Price: $699.99
Sale: $664.99
Save: 5%
Save: $35.00
Description: Fits; 2014-2024 RAM 2500/3500 4X4
*SOLD AS A PAIR, THIS IS NOT A COMPLETE LEVELING KIT
Item #: KRDRD14
Condition:
New
Price: $1,399.99
Sale: $1,329.99
Save: 5%
Save: $70.00
Description: Fits; 2003-2024 Ram 3500 4x4 Trucks, and 2003-2024 RAM 2500 4x4 Trucks (Leveled up to 4.5" lift)
*SOLD AS A PAIR*
Item #: KRP0133
Condition:
New
Price: $39.99
Sale: $37.99
Save: 5%
Save: $2.00
Description: Fits; 2014-2024 RAM TRUCK 2500/3500 4X4 Only
Item #: KRDDL14
Condition:
New
Price: $799.99
Sale: $759.99
Save: 5%
Save: $40.00
Description: Fits; 2014-2024 RAM 2500/3500 4x4 only
Item #: KRDSK14
Condition:
New
Price: $1,499.99
Sale: $1,424.99
Save: 5%
Save: $75.00
Description: Fits; 2014-2024 RAM Truck 2500/3500 4X4 Only
Item #: KRDTR14
Condition:
New
Price: $799.99
Sale: $759.99
Save: 5%
Save: $40.00
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
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
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
Description: Fits; 2011-2025 Chevy/GMC 2500/3500 HD
Item #: KR11SSU78
Condition:
New
Price: $599.99
Sale: $569.99
Save: 5%
Save: $30.00
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; 2011-2024 Ford Super Duty F-250/F-350 4X4 Only
TRUCKS WITH RADIUS ARM DROP BRACKETS OR AFTERMARKET RADIUS ARMS MAY REQUIRE SWAY BAR RELOACTION BRACKETS IN ADDITION TO THESE LINKS
#KRFDSW1 - Relocation brackets
Item #: KRFDEL36
Condition:
New
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 2500 / 3500
2011–2025 GMC 2500 / 3500
Important Fitment Details:
This rebuild kit is designed for trucks that already have Kryptonite Tie Rods and retain a Stock...More Details »
Item #: 11KRYNEW78
Condition:
New
Price: $229.99
Sale: $218.49
Save: 5%
Save: $11.50
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
Description: Fits; 2005-2024 Ford Super Duty F-250/F-350 4X4 Only
2005-2024 2WD/4WD F-450/F-550
Item #: KR500262
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Track Bar
Description: Fits:
2014-2026 Ram 2500 4x4
2013-2026 Ram 3500 4x4
Item #: KRRTB14
Condition:
New
Description: Fits; 2011-2025 CHEVY/GMC 2500/3500 HD
Item #: ULTIMATE11
Condition:
New
Not Available
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; 1999-2022 Ford Super Duty F250/F350, 2000-2005 Ford Excursion, 1999-2018 Ford Super Duty F450, 1999-2004 Ford Super Duty F550, Also 1994-1999 Dodge Ram 2500/3500 Trucks. 4WD Trucks Only.
Item #: 9920BJPACK
Condition:
New
Price: $199.99
Sale: $189.99
Save: 5%
Save: $10.00
Description: Fits; (OEM SPEC ball joints. These are NOT suitable replacements if knurled ball joints have been installed)
2014-2024 Ram 2500 4x4
2013-2024 Ram 3500 4x4
Item #: 1420BJPACK
Condition:
New
Price: $199.99
Sale: $189.99
Save: 5%
Save: $10.00
Description: Fits; 1999-2022 Ford Super Duty F250/F350, 2000-2005 Ford Excursion, 1999-2018 Ford Super Duty F450, 1999-2004 Ford Super Duty F550, Also 1994-1999 Dodge Ram 2500/3500 Trucks. 1980-1996 Ford Bronco and F150. 4WD Trucks Only.
Item #: KR80026
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Description: Fits; (OEM SPEC ball joints. These are NOT suitable replacements if knurled ball joints have been installed)
2003-2024 Ram 2500/3500 4x4 Trucks
Item #: KR0316
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
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:
2005-2026 Ford F-250 / F-350
2005-2026 Ford F-450 / F-550
2022-2025 Ford F-53 Stripped Chassis (RV)
2020-2026 Ford F-600
Item #: KRP0265
Condition:
New
Not Available
Price: $49.99
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: 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
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
Description: Fits 2015+ Ford F-150
Powerboost and trucks equipped with factory rear height sensors require additional part number 88-21150-1.
Not compatible with Raptor trim package.
Not compatible with...More Details »
Item #: 88-21150
Condition:
New
Price: $549.95
Description: This Height Sensor Relocation Kit is required for installation of the ReadyAIR Load Leveling System (PN: 88-21150) on F150's that are equipped with Continuously Controlled Damping (CCD).
*Does...More Details »
Item #: 88-21150-1
Condition:
New
Price: $79.95
Description: Fits: 2017-2022 Ford F-250/350/450 (DRW trucks require spacer kit)
Confirmed 5th Wheel Hitch Compatibility:
OEM 5th Wheel
BW GNRK1116
DM8552031
Curt C16428-204
Item #: 88-23170
Condition:
New
Price: $899.95
Description: Trucks equipped with factory rear height sensors require additional part number 88-31190-1.
Not compatible with ZR2 option.
If AT4/Trail Boss or if vehicle is lifted in rear, add spacer kit...More Details »
Item #: 88-31190
Condition:
New
Price: $549.95
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
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
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
Price: $26.99
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
Price: $169.99
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
Price: $164.99
Engine Coolant Reservoir
Description: Aluminum Secondary Degas Tank, fits Ford 6.7L Powerstroke 2011+
Item #: MMRT-F2D-11SN
Condition:
New
Price: $433.00
Sale: $393.95
Save: 9%
Save: $39.05
Transmission Oil Pan
Description: Aluminum Transmission Pan, fits Dodge Ram 6.7L Cummins 2007.5+
Item #: MMTP-RAM-07
Condition:
New
Price: $417.00
Sale: $378.95
Save: 9%
Save: $38.05
Transmission Oil Pan
Description: Aluminum Transmission Pan, fits Ford 6.7L Powerstroke 2011-2019
Item #: MMTP-F2D-11
Condition:
New
Price: $514.00
Sale: $466.95
Save: 9%
Save: $47.05
Engine Coolant Thermostat
Description: Low Temperature Thermostats (set of 2), fits Chevrolet/GMC 6.6L Duramax 2001-2016
Item #: MMTS-CHV-01DL
Condition:
New
Price: $110.00
Sale: $99.95
Save: 9%
Save: $10.05
Engine Coolant Thermostat
Description: High Temperature Thermostats (set of 2), fits Chevrolet/GMC 6.6L Duramax 2001-2016
Item #: MMTS-CHV-01DH
Condition:
New
Price: $110.00
Sale: $99.95
Save: 9%
Save: $10.05
Diesel Fuel Injector Installation Kit
Description: Diesel Injector Line Socket Set, Ford 6.7L Powerstroke
Item #: MMTL-F2D-DIS
Condition:
New
Intercooler Boot Kit
Description: FACTORY-FIT BOOT KIT, FITS RAM 6.7L CUMMINS 2019+
Item #: MMBK-RAM-19
Condition:
New
Price: $326.00
Sale: $295.95
Save: 9%
Save: $30.05
Engine Oil Catch Can Kit
Description: Baffled Oil Catch Can Kit, fits Ford 6.7L Powerstroke 2017+
Item #: MMBCC-F2D-17BE
Condition:
New
Price: $440.00
Sale: $399.95
Save: 9%
Save: $40.05