- Home »
- Catalog
UnderDog Diesel » 2018, Sierra 3500
Products for:
- Year: 2018
- Model: Sierra 3500
View Universal items for: 2018 Sierra 3500
Browse Products
Description: Fits; 2011-2025 2500/3500 GM HD Truck
Item #: KRTR11
Condition:
New
Price: $379.99
Sale: $360.99
Save: 5%
Save: $19.00
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
Description: Fits; 2011-2025 Chevy/GMC 2500/3500 HD
Item #: KRGUSSET11
Condition:
New
Price: $89.99
Sale: $85.49
Save: 5%
Save: $4.50
Description: Fits; 2011-2019 CHEVY/GMC 2500/3500 HD
Item #: KRKEY11
Condition:
New
Price: $119.99
Sale: $113.99
Save: 5%
Save: $6.00
Description: Fits; (11-19 GM Truck 2500/3500 SRW) - KR303
2WD Models Only
Item #: KR301
Condition:
New
Price: $299.99
Sale: $284.99
Save: 5%
Save: $15.00
Description: Fits; (11-19 GM Truck 2500/3500 SRW) - KR303
4WD Models Only
Item #: KR303
Condition:
New
Price: $299.99
Sale: $284.99
Save: 5%
Save: $15.00
Description: Fits; (11-19 GM Truck 3500 DRW) - KR300
2WD Models Only
Item #: KR300
Condition:
New
Price: $299.99
Sale: $284.99
Save: 5%
Save: $15.00
Description: Fits; (11-19 GM Truck 3500 DRW) - KR302
4WD Models Only
Item #: KR302
Condition:
New
Price: $299.99
Sale: $284.99
Save: 5%
Save: $15.00
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; 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; 2011-2019 Chevy/GMC 2500/3500 HD Truck
Item #: 568-349
Condition:
New
Price: $5.99
Sale: $5.69
Save: 5%
Save: $0.30
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; 2011-2019 Chevy/GMC 2500/3500 HD
Item #: KR11STAGE1
Condition:
New
Price: $169.99
Sale: $161.49
Save: 5%
Save: $8.50
Description: Fits; 2011-2019 GM HD Trucks 2500/3500
Item #: KR11STAGE2
Condition:
New
Price: $699.99
Sale: $664.99
Save: 5%
Save: $35.00
Description: Fits; 2011-2019 GM HD Trucks 2500/3500
Item #: KR11STAGE3BIL
Condition:
New
Price: $999.99
Sale: $949.99
Save: 5%
Save: $50.00
Description: Fits; 2011-2019 GM HD Trucks 2500/3500
Item #: KR11STAGE3FOX
Condition:
New
Price: $1,399.99
Sale: $1,329.99
Save: 5%
Save: $70.00
Description: Fits; 2011-2019 GM HD Trucks 2500/3500
Item #: KR11STAGE4FOX
Condition:
New
Price: $1,899.99
Sale: $1,804.99
Save: 5%
Save: $95.00
Description: Fits; 2001-2019 Chevy/GMC 1500HD/2500HD/3500 TRUCKS and Much More, This universal fit end link can fit most other GM Truck including the 1999-2006 1500 Trucks and SUV's
Item #: KRSWEL02
Condition:
New
Price: $94.99
Sale: $90.24
Save: 5%
Save: $4.75
Description: Fits; 2001-2019 Chevy/GMC 1500HD/2500HD/3500 TRUCKS and Much More, This universal fit end link (fits most) other GM Truck including the 1999-2006 1500 Trucks and SUV's
(will not work with some...More Details »
Item #: KRSWEL46
Condition:
New
Price: $110.99
Sale: $105.44
Save: 5%
Save: $5.55
Description: Fits; 2001-2019 Chevy/GMC 1500HD/2500HD/3500 TRUCKS and Much More, This universal fit end link can fit most other GM Truck including the 1999-2006 1500 Trucks and SUV's
7"-9" LIFTED HD SWAY BAR...More Details »
Item #: KRSWEL79
Condition:
New
Price: $115.99
Sale: $110.19
Save: 5%
Save: $5.80
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; 2011-2024 Kryptonite and Cognito Upper Control arms ONLY!
*Will not fit FTS Arms, or Stock control arms.
Item #: KRBUCA11
Condition:
New
Price: $39.99
Sale: $37.99
Save: 5%
Save: $2.00
NEW!
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; 2011-2019 Chevy/GMC 2500/3500 HD Truck
Item #: KRUCA11
Condition:
New
Price: $599.99
Sale: $569.99
Save: 5%
Save: $30.00
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: To install this drop in compressor wheel, turbocharger removal is REQUIRED!!!
Item #: VSE-L5P-FTR-WHL
Condition:
New
Price: $499.99
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 #: DM1JK1070203010
Condition:
New
Price: $3,700.00
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 #: DM1JK1070203000
Condition:
New
Price: $3,100.00
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 #: DM1JK1070303010
Condition:
New
Price: $3,975.00
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 #: DM1JK1070303000
Condition:
New
Price: $3,500.00
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 #: DM1JK1070103010
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 #: DM1JK1070103000
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
Price: $179.11
Sale: $144.99
Save: 19%
Save: $34.12
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: $172.93
Sale: $139.99
Save: 19%
Save: $32.94
Item #: CTXMS501179
Condition:
New
Price: $237.27
Item #: CTXMS501180
Condition:
New
Price: $237.27
Transmission Oil Pan
Description: Aluminum Transmission Pan, fits Chevy/GMC 6.6L Duramax 2001-2019
Item #: MMTP-DMAX-01
Condition:
New
Price: $358.95
Intercooler Pipe Set
Description: Cold-Side Intercooler Pipe and Boot Kit, fits Chevrolet/GMC 6.6L Duramax 2011-2016
Item #: MMICP-DMAX-11CBK
Condition:
New
Price: $326.95
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: $87.95
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: $85.95
Intercooler Pipe Set
Description: Hot-Side Intercooler Pipe and Boot Kit, fits Chevrolet/GMC 6.6L Duramax 2011-2016
Item #: MMICP-DMAX-11HBK
Condition:
New
Price: $354.95
Intercooler Pipe Set
Description: Intercooler Pipe and Boot Kit, fits Chevrolet/GMC 6.6L Duramax 2011-2016
Item #: MMICP-DMAX-11KBK
Condition:
New
Price: $615.95
Automatic Transmission Oil Cooler
Description: Full-Flow Transmission Thermal Bypass Valve Kit, fits Chevrolet/GMC 6.6L Duramax L5P 2017-2019
Item #: MMTC-L5P-TBVFF
Condition:
New
Price: $103.95
Radiator
Description: Performance Aluminum Radiator, fits Chevrolet/GMC 6.6L Duramax 2017-2019
Item #: MMRAD-DMAX-17
Condition:
New
Price: $1,352.95
Intercooler Kit
Description: Performance Intercooler Kit, fits Chevrolet/GMC 6.6L Duramax 2017-2019
Item #: MMINT-DMAX-17KBKBK
Condition:
New
Price: $1,732.95
Intercooler Kit
Description: Performance Intercooler Kit, fits Chevrolet/GMC 6.6L Duramax 2017-2019
Item #: MMINT-DMAX-17KBKP
Condition:
New
Price: $1,732.95
Intercooler Kit
Description: Performance Intercooler Kit, fits Chevrolet/GMC 6.6L Duramax 2017-2019
Item #: MMINT-DMAX-17KSLBK
Condition:
New
Price: $1,732.95
Intercooler Kit
Description: Performance Intercooler Kit, fits Chevrolet/GMC 6.6L Duramax 2017-2019
Item #: MMINT-DMAX-17KSLP
Condition:
New
Price: $1,732.95
Intercooler Kit
Description: Performance Intercooler, fits Chevrolet/GMC 6.6L Duramax 2017-2019
Item #: MMINT-DMAX-17BK
Condition:
New
Price: $1,188.95
Intercooler Kit
Description: Performance Intercooler, fits Chevrolet/GMC 6.6L Duramax 2017-2019
Item #: MMINT-DMAX-17SL
Condition:
New
Price: $1,188.95
Radiator Coolant Hose Kit
Description: Silicone Coolant Hose Kit, fits Chevrolet/GMC 6.6L Duramax 2017-2019
Item #: MMHOSE-DMAX-17BK
Condition:
New
Price: $360.95
Radiator Coolant Hose Kit
Description: Silicone Coolant Hose Kit, fits Chevrolet/GMC 6.6L Duramax 2017-2019
Item #: MMHOSE-DMAX-17BL
Condition:
New
Price: $360.95
Radiator Coolant Hose Kit
Description: Silicone Coolant Hose Kit, fits Chevrolet/GMC 6.6L Duramax 2017-2019
Item #: MMHOSE-DMAX-17RD
Condition:
New
Price: $360.95
Automatic Transmission Oil Cooler
Description: Transmission Thermal Bypass Valve Kit, fits Chevrolet/GMC 6.6L Duramax L5P 2017+
Item #: MMTC-L5P-TBV
Condition:
New
Price: $128.95
NEW!
Description: Made in America
Uses OEM Connector
Uses OEM Pins
100% Sealed
LIFETIME WARRANTY
Item #: USCAN1D
Condition:
New
Price: $169.99