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UnderDog Diesel » 2012, Sierra 3500
Products for:
- Year: 2012
- Model: Sierra 3500
View Universal items for: 2012 Sierra 3500
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Throttle Assist
Description: PedalMonster, Throttle Sensitivity Booster with iDash DataMonster for 2007.5-2019 Chevy/GMC 2500/3500 New Body
Item #: 64323-C
Condition:
New
Not Available
Throttle Assist
Description: PedalMonster, Throttle Sensitivity Booster with iDash SuperGauge for 2007.5-2019 Chevy/GMC 2500/3500 New Body
Item #: 64322-C
Condition:
New
Not Available
Air Filter Wrap
Description: Pre-Filter, Filter Wrap for use with Banks Ram-Air Cold-Air Intake Systems for 1999-2016 Chevy/GMC, for Air Filter PN 42138 and 42138-D Note: Highly recommended in dirty environments. Keep your...More Details »
Item #: 42643
Condition:
New
Price: $48.98
Sale: $44.08
Save: 10%
Save: $4.90
Description: For 2001-2019 Chevy/GMC 2500/3500 6.6L Diesel
with 5 or 6 speed Allison 1000 Transmission
Item #: 35146-B
Condition:
New
Available to backorder, will receive email with estimated ship date after purchase.
Do not order if you cannot wait.
Price: $476.67
Sale: $429.00
Save: 10%
Save: $47.67
Differential Cover
Description: For 2001-2019 Chevy/GMC, 2003-2018 RAM with AAM 11.5" or 11.8" 14 Bolt Rear Axle
2019-2024 RAM 6.4L See Fitment Note
Item #: 19269
Condition:
New
Price: $438.89
Sale: $395.00
Save: 10%
Save: $43.89
Differential Cover
Description: For 2001-2019 Chevy/GMC, 2003-2018 RAM with AAM 11.5" or 11.8" 14 Bolt Rear Axle
2019-2024 RAM 6.4L See Fitment Note
Item #: 19259
Condition:
New
Price: $416.67
Sale: $375.00
Save: 10%
Save: $41.67
Differential Cover
Description: For 2001-2019 Chevy/GMC, 2003-2018 RAM with AAM 11.5" or 11.8" 14 Bolt Rear Axle
2019-2024 RAM 6.4L See Fitment Note
Item #: 19249
Condition:
New
Price: $438.88
Sale: $395.00
Save: 10%
Save: $43.88
Description: Gain up to +39hp/+69lb-ft, 35% Less Restrictive
Lowers EGT and soot output
Dry Filter Set
FOR 2011-2012 CHEVY/GMC 2500/3500 6.6L DURAMAX, LML
Item #: 42220-D
Condition:
New
CARB EO #: D-161-118
Price: $476.67
Sale: $429.00
Save: 10%
Save: $47.67
Description: Gain up to +39hp/+69lb-ft, 35% Less Restrictive
Lowers EGT and soot output
Oiled Filter Set
FOR 2011-2012 CHEVY/GMC 2500/3500 6.6L DURAMAX, LML
Item #: 42220
Condition:
New
CARB EO #: D-161-118
Price: $476.67
Sale: $429.00
Save: 10%
Save: $47.67
Description: Includes
- CP3 Pump Snout O-ring
- Adapter Plate O-Ring
- 3x M8x1.25x35mm Hex Head Bolts
Item #: UDD-DMAX-CP3-ADPT
Condition:
New
Price: $63.99
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-196437
Condition:
New
Price: $157.00
Sale: $105.00
Save: 33%
Save: $52.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-196444
Condition:
New
Price: $133.00
Sale: $89.00
Save: 33%
Save: $44.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-196468
Condition:
New
Price: $164.00
Sale: $118.00
Save: 28%
Save: $46.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-218023
Condition:
New
Price: $164.00
Sale: $118.00
Save: 28%
Save: $46.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-218030
Condition:
New
Price: $164.00
Sale: $118.00
Save: 28%
Save: $46.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 24-253161
Condition:
New
Price: $164.00
Sale: $118.00
Save: 28%
Save: $46.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 25-311846
Condition:
New
Price: $289.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber Fits: Chevrolet Silverado 2500 HD 2023-2011, Silverado 3500 HD 2023-2011, GMC Sierra 2500 HD 2023-2011, Sierra 3500 HD 2023-2011
Item #: 25-311884
Condition:
New
Price: $289.00
Suspension Shock Absorber
Description: 46mm Monotube Shock Absorber
Item #: 25-311891
Condition:
New
Price: $289.00
Steering Damper
Description: 46mm Monotube Steering Damper Fits: Chevrolet Silverado 2500 HD 2016-2011, Silverado 3500 HD 2016-2011, GMC Sierra 2500 HD 2016-2011, Sierra 3500 HD 2016-2011
Item #: 33-196619
Condition:
New
Price: $161.00
Sale: $115.00
Save: 29%
Save: $46.00
Suspension Shock Absorber Reservoir Mount
Description: Reservoir Bracket Assembly
Item #: 11-176015
Condition:
New
Price: $42.00
Body Mount
Item #: 81-2003
Condition:
New
Price: $499.00
Body Mount
Item #: 81-2002
Condition:
New
Price: $449.00
Price: $998.00
Description: Direct replacement PRV for 2011-2016 LML Duramax
Item #: 0-281-006-019
Condition:
New
Price: $102.04
Item #: 0-281-006-313
Condition:
New
Price: $89.09
Price: $17.99
Pitman Arm Support
Item #: 110-90772
Condition:
New
Price: $259.95
Description: Only works with -10AN Transmission Lines
Item #: 24301
Condition:
New
Price: $290.00
Item #: 25300
Condition:
New
Price: $55.00
Description: One extra high strength dowel pin
Item #: 29601
Condition:
New
Price: $2.50
Description: 2009-2015 Allison A50/T14 TCM
Item #: DDP-A50
Condition:
New
Price: $1,295.00
Sale: $1,282.05
Save: 1%
Save: $12.95
Description: DDP LML 100% Over New Injector Set
Item #: D05-100-010
Condition:
New
Price: $4,851.00
Sale: $4,802.49
Save: 1%
Save: $48.51
Description: DDP LML 100% Over Reman Injector Set
Item #: D05-100-410
Condition:
New
Price: $4,557.00
Sale: $4,511.43
Save: 1%
Save: $45.57
Description: DDP LML 15% Over New Injector Set
Item #: D05-015-010
Condition:
New
Price: $4,263.00
Sale: $4,220.37
Save: 1%
Save: $42.63
Description: DDP LML 15% Over Reman Injector Set
Item #: D05-015-410
Condition:
New
Price: $3,969.00
Sale: $3,929.31
Save: 1%
Save: $39.69
Description: DDP LML 30% Over New Injector Set
Item #: D05-030-010
Condition:
New
Price: $4,410.00
Sale: $4,365.90
Save: 1%
Save: $44.10
Description: DDP LML 30% Over Reman Injector Set
Item #: D05-030-410
Condition:
New
Price: $3,969.00
Sale: $3,929.31
Save: 1%
Save: $39.69
Description: DDP LML 45% Over New Injector Set
Item #: D05-045-010
Condition:
New
Price: $4,557.00
Sale: $4,511.43
Save: 1%
Save: $45.57
Description: DDP LML 45% Over Reman Injector Set
Item #: D05-045-410
Condition:
New
Price: $4,116.00
Sale: $4,074.84
Save: 1%
Save: $41.16
Description: DDP LML 60% Over New Injector Set
Item #: D05-060-010
Condition:
New
Price: $4,704.00
Sale: $4,656.96
Save: 1%
Save: $47.04
Description: DDP LML 60% Over Reman Injector Set
Item #: D05-060-410
Condition:
New
Price: $4,263.00
Sale: $4,220.37
Save: 1%
Save: $42.63
Description: DDP LML CP3 Conversion Kit w/ Sportzman Pump
Item #: D05-F01-CCK-105
Condition:
New
Price: $1,895.00
Sale: $1,876.05
Save: 1%
Save: $18.95
Dominator Turbocharger
Description: Rated for 700HP with Supporting Modifications
Item #: D05-DT64-001
Condition:
New
Price: $2,595.00
Sale: $2,569.05
Save: 1%
Save: $25.95
Dominator Turbocharger
Description: Rated for 775HP with Supporting Modifications
Item #: D05-DT66-001
Condition:
New
Price: $2,795.00
Sale: $2,767.05
Save: 1%
Save: $27.95
Price: $2,195.00
Sale: $2,173.05
Save: 1%
Save: $21.95
EFI Live Custom Tuning
Description: Autocal comes pre-loaded with the tune of your selection & built to your requirements, based on turbo, injection pump, and injector sizing, because of that, power levels may vary.
All SALES...More Details »
Item #: DSP-GM-AUTOCAL-1116
Condition:
New
This product cannot ship to California.
Price: $1,130.99
EFI Live Custom Tuning
Description: Tuning built to your requirements, based on turbo, injection pump, and injector sizing, because of that, power levels may vary.
All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR...More Details »
Item #: DSP-GM-1116
Condition:
New
This product cannot ship to California.
Price: $800.00
EZ Lynk Custom Tuning
Description: Included is a Permanent Lynk for your LML Duramax, this includes many files to suit your build.
All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR EXCHANGES PERMITTED.
Item #: DSP-GM-EZLYNK-1116
Condition:
New
This product cannot ship to California.
Price: $859.99
Price: $42.99
Item #: DMAX-EOC
Condition:
New
Price: $39.99
Price: $54.25
Item #: DMAX-BFC-6.6LOCK
Condition:
New
Price: $79.99
Item #: DMAXWATERKIT-0616
Condition:
New
Price: $304.99
Item #: DMAX-UBT-0216
Condition:
New
Price: $159.99
Head Gasket Kit
Description: Includes
Mahle Upper Engine Gasket Kit
Merchant Automotive Grade C Head Gaskets
DogBone Head Studs
Item #: DogBone-LML-HGK-STUDS
Condition:
New
Limited Supply: Only 3 Left!
Price: $895.95
Price: $59.99
Limited Supply: Only 8 Left!
Price: $20.95