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UnderDog Diesel » 2015, Sierra 3500
Products for:
- Year: 2015
- Model: Sierra 3500
View Universal items for: 2015 Sierra 3500
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Description: Coolant Pipe
Silicone Boots
T-Bolt Clamps
Powder Coating
Item #: WCF100696
Condition:
New
WCFab Red, WCFab Grey, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $156.00
Sale: $151.32
Save: 3%
Save: $4.68
Description: ***For Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models***
-LIFETIME WARRANTY against bending or breaking (to original purchaser)
-60" Heavy Duty Bars
-Poly Bushings...More Details »
Item #: WCF100851
Condition:
New
WCFab Red with Standard Brushed Tag, Gloss Black with Standard Brushed Tag, and Gloss White with Standard Brushed Tag in stock and ships in 3-5 business days. 10-15
business day lead time on other colors.
Price: $989.00
Sale: $959.33
Save: 3%
Save: $29.67
Description: ***For Extended Cab Long Bed and Crew Cab Long Bed Models***
-LIFETIME WARRANTY against bending or breaking (to original purchaser)
-68" Heavy Duty Bars
-Poly Bushings
-RockJock Johnny Joints...More Details »
Item #: WCF100853
Condition:
New
WCFab Red with Standard Brushed Tag, Gloss White with Standard Brushed Tag, and Gloss Black with Standard Brushed Tag in stock and ships in 3-5 business days. 10-15
business day lead time on other colors.
Price: $989.00
Sale: $959.33
Save: 3%
Save: $29.67
Wehrli Custom Fabrication 2011-2019 Duramax Traction Bar Brackets & Hardware Install Kit - WCF100841
Description: Includes Axle side bolt on and Frame side weld on mounts
Grade 8 Hardware
This part number is mounting hardware only - Bars not included
Powder Coating with zinc primer base coat on axle...More Details »
Item #: WCF100841
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $274.00
Sale: $265.78
Save: 3%
Save: $8.22
Description: Replaces OEM plastic front cover for lower engine bay and cooling stack which is prone to cracking and breaking.
Constructed from heavy gauge aluminum
Uses OEM mounting points
Provides...More Details »
Item #: WCF100432
Condition:
New
Fine Texture Black and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $289.00
Sale: $280.33
Save: 3%
Save: $8.67
Description: Fabricated tubular steel support connects rear housing of Allison transmission to transfer case reinforcing the weaker tail housing section to eliminate flex caused by driveline vibrations which...More Details »
Item #: WCF100140
Condition:
New
WCFab Red and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $179.00
Sale: $173.63
Save: 3%
Save: $5.37
Description: - Mounts between WCFAB Lower Valance Filler Panel and the bumper using the same OEM Hardware as the Filler Panel
- 16G Stainless Steel Construction
- License Plate Mounting Hardware included
- Made in USA
Item #: WCF100156
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $45.00
Sale: $43.65
Save: 3%
Save: $1.35
Wehrli Custom Fabrication 2015-2019 GM 2500/3500HD Truck 3/4 in. Front Bumper Spacer Kit - WCF100462
Description: WCFab 3/4" Front Bumper Spacer Kit for 2015-2019 GM 2500/3500 HD Trucks improves aftermarket wheel and tire fitment options by moving front bumper forward and away from front wheels creating more...More Details »
Item #: WCF100462
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $255.00
Sale: $247.35
Save: 3%
Save: $7.65
Wehrli Custom Fabrication 2015-2019 GM 2500/3500HD Truck 3/8 in. Front Bumper Spacer Kit - WCF100453
Description: WCFab 3/8" Front Bumper Spacer Kit for 2015-2019 GM 2500/3500 HD Trucks improves aftermarket wheel and tire fitment options by moving front bumper forward and away from front wheels creating more...More Details »
Item #: WCF100453
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $185.00
Sale: $179.45
Save: 3%
Save: $5.55
Description: This stainless steel grille mounts in the opening in the bumper on the 2015-2019 HD GMC Sierra trucks providing protection to the trans cooler assembly from flying road debris while offering a...More Details »
Item #: WCF100291
Condition:
New
Raw Stainless and Fine Texture Black in stock ships in 3-5 business days. All other colors 10-15 Business Day Lead Time
Price: $135.00
Sale: $130.95
Save: 3%
Save: $4.05
Wehrli Custom Fabrication 2015.5-2016 LML Duramax 3" Stainless Down Pipe (3 Bolt Flange) - WCF100705
Description: 3" Stainless Downpipe (3 bolt flange)
Heat Wrap
No Tuning Required
Item #: WCF100705
Condition:
New
In Stock. Ships in 3-5 business days.
This product cannot ship to California.
Price: $349.00
Sale: $338.53
Save: 3%
Save: $10.47
Description: - Billet Aluminum Black Anodized Coolant Plug for Duramax Engine Cover, for 1.1" bore
- Includes high temperature silicone O-ring seal
Item #: WCF100025
Condition:
New
In Stock. Ships in 3-5 Business Days.
Price: $24.00
Sale: $23.28
Save: 3%
Save: $0.72
Description: -Left and Right side Billet Runner Intakes
-Stainless Hardware
-Stainless Braided pressure crossover line
Item #: WCF100348
Condition:
New
Please call for availability.
This Product cannot ship to the state of California
Price: $2,695.00
Sale: $2,614.15
Save: 3%
Save: $80.85
Description: Aluminum Fabricated Cover
Stainless Hardware
Fill Plug
Custom Powder Coat Finish
Made in USA
Item #: WCF100113
Condition:
New
WCFab Red, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $374.00
Sale: $362.78
Save: 3%
Save: $11.22
Description: Mount Bracket
Zinc primer & Semi gloss black powder coat finish
Item #: WCF100269
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $109.00
Sale: $105.73
Save: 3%
Save: $3.27
Description: - Preformed universal 1/2" heater hose assembly
- Billet aluminum quick-connect fitting replaces the leak prone OEM fitting
Item #: WCF100699
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $76.00
Sale: $73.72
Save: 3%
Save: $2.28
Description: Fits 2007.5-2019 GM 2500 & 3500 HD trucks & 2014-2023 GM 1500 trucks.
- Replaces ugly OEM aerial antenna
- CNC Machined Billet Aluminum
- Designed to resemble a TIG Torch Cap
- Custom Powder...More Details »
Item #: WCF100041
Condition:
New
WCFab Red, WCFab Grey, Gloss White and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $61.00
Sale: $59.17
Save: 3%
Save: $1.83
Description: -Parker stainless braided #10 drain and #4 Feed Line
-Plug for OEM feed location in valley
-Fitting for turbo Feed
-Fitting for engine block oil galley
-Turbo drain flange and fitting
-Flange...More Details »
Item #: WCF100397
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $289.00
Sale: $280.33
Save: 3%
Save: $8.67
Description: -Parker stainless braided #10 drain and #4 Feed Line
-Plug for OEM feed location in valley
-Fitting for turbo Feed
-Fitting for engine block oil galley
-Turbo drain flange and fitting
-Flange...More Details »
Item #: WCF100396
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $289.00
Sale: $280.33
Save: 3%
Save: $8.67
Description: - Left and Right Upper Valve Covers
- CNC Machined Billet Aluminum
- Built in clearances for performance engines equipped with rocker studs
- Flush Head Stainless hardware
- Black Anodized...More Details »
Item #: WCF100416
Condition:
New
Raw in stock and ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $399.00
Sale: $387.03
Save: 3%
Save: $11.97
Description: Longer and Larger I.D. High-Pressure Line than Street Series Kit (WCF100711) and other CP3 Conversion Kits offered on the market which allows for more fuel volume
High pressure fitting at the...More Details »
Item #: WCF100402
Condition:
New
In Stock. Ships in 3-5 business days.
This product cannot ship to California.
Price: $399.00
Sale: $387.03
Save: 3%
Save: $11.97
No Image Available
Description: -3" Down Pipe
-V-band Clamp
-Heat Wrap & Clamps
-High Temp Coating
Item #: WCF100238
Condition:
New
Built to order. 10-15 business day lead time.
This Product cannot ship to the state of California
Price: $249.00
Sale: $241.53
Save: 3%
Save: $7.47
Description: -3" Down Pipe
-V-band Clamp
-Heat Wrap & Clamps
-High Temp Coating
Item #: WCF100244
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $249.00
Sale: $241.53
Save: 3%
Save: $7.47
Description: - 4" Twin Turbo Down Pipe for LML Duramax
- For custom build racing applications to fabricate your own twin turbo kit
- Use in conjunction with WCFab Twin Turbo Pedestal (WCF100676) for proper...More Details »
Item #: WCF100280
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $629.00
Sale: $610.13
Save: 3%
Save: $18.87
Description: - Fine Texture Black Powder Coated Finish
- Made in USA
Item #: WCF100421
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $89.00
Sale: $86.33
Save: 3%
Save: $2.67
Item #: WCF206-11
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $89.00
Sale: $86.33
Save: 3%
Save: $2.67
Item #: WCF206-38
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $79.00
Sale: $76.63
Save: 3%
Save: $2.37
Description: - 12 Specially Selected High Strength Stainless Steel 12-point ARP fasteners
- 12 Matched ARP Stainless Steel Washers
Item #: WCF100217
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $69.00
Sale: $66.93
Save: 3%
Save: $2.07
Description: Stainless braided drain and feed Lines, Fittings for turbo, oil pan and engine block.
Item #: WCF100379
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $199.00
Sale: $193.03
Save: 3%
Save: $5.97
Item #: WCF100676
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $289.00
Sale: $280.33
Save: 3%
Save: $8.67
Engine Push Rod
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD315
Condition:
New
Price: $349.95
Engine Push Rod
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD316
Condition:
New
Price: $378.95
Engine Oil Filler Cap
Item #: XD477
Condition:
New
Price: $29.95
Engine Rocker Arm Bridge
Item #: XD384
Condition:
New
Price: $459.95
Description: Fits 2001-2016 6.6L Duramax LB7/LLY/LMM/LML w/ Allison A1000
Item #: XD651
Condition:
New
Price: $349.95
Starter
Item #: XD533
Condition:
New
Price: $9.95
Fuel Filter
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD171
Condition:
New
Price: $99.95
Price: $64.95
Engine Crankshaft Pin
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD331
Condition:
New
Not Available
Price: $159.95
Fuel
Item #: XD615
Condition:
New
Not Available
Price: $3,222.95
Fuel
Item #: XD517
Condition:
New
Price: $3,786.95
Wrench
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD325
Condition:
New
Price: $18.95
Fuel Filter
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD163
Condition:
New
Price: $76.95
Fuel Filter Spacer
Description: Fits: 2001-2016 GM Duramax 6.6L
Item #: XD138
Condition:
New
Price: $8.95
Starter
Description: Fits: 2001-2019 GM 6.6L Duramax
Item #: XD251
Condition:
New
Price: $299.95
Engine Intake Manifold
Item #: XD342
Condition:
New
Price: $88.95
Fuel Return Line
Item #: XD607
Condition:
New
Price: $95.95
Fuel Injection Fuel Rail
Item #: XD605
Condition:
New
Price: $206.95
Fuel Injection Fuel Rail
Item #: XD606
Condition:
New
Price: $206.95
Fuel Pump
Item #: XD609
Condition:
New
Price: $599.95
Engine Valve Spring
Item #: XD386
Condition:
New
Price: $649.95
Radiator Drain
Description: Fits: 2006-2019 GM 6.6L Duramax
Item #: XD328
Condition:
New
Price: $59.95
Fuel Injector
Item #: XD482
Condition:
New
Price: $229.95
Fuel Injector
Item #: XD487
Condition:
New
Not Available
Price: $219.95
Radiator
Description: Fits: 2011-2016 GM 6.6L Duramax LML
Item #: XD292
Condition:
New
Price: $524.95
Engine Rocker Arm Shaft
Item #: XD385
Condition:
New
Price: $484.95
Grid Heater Delete
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD137
Condition:
New
Price: $29.95
Engine Crankshaft Pin
Item #: XD508
Condition:
New
Price: $4.95
Description: Fits 2001-2016 6.6L Duramax LB7/LLY/LBZ/LMM/LML w/ Allison A1000
Item #: XD644
Condition:
New
Price: $349.95