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2017+ GM 6.6L L5P Duramax Featured Products
Description: - CNC Machined Billet Cap is a direct OEM Replacement not a cover
- Includes new diaphragm seal
- Made in USA
- Clear Anodized Finish
- Installs in seconds
Item #: WCF100215
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $40.74
Description: #NAME?
Item #: WCF206-19
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
Description: TIG Welded Fabricated Aluminum Cover for Plastic Reservoir
Utilizes OEM Mounting Points and Hardware
Installs in minutes with basic hand tools
Custom Powder Coat Finish
Item #: WCF100205
Condition:
New
Please Call for Availability
WCFab Red, Bengal Blue, Bengal Red, Gloss Black, and Gloss White in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: -CNC Machined Billet Aluminum GM factory oil cap filler neck replacement
-Matches WCFab Billet Aluminum Coolant Tank and Brake Reservoir Caps
-Includes o-ring seal
-Machined cam lock
-Black...More Details »
Item #: WCF100443
Condition:
New
Limited Supply: Only 1 Left!
In Stock. Ships in 3-5 business days.
Price: $49.47
Description: -CNC Machined Billet Aluminum GM factory oil cap filler neck replacement
-Matches WCFab Billet Aluminum Coolant Tank and Brake Reservoir Caps
-Includes o-ring seal
-Machined cam lock
-Clear...More Details »
Item #: WCF100442
Condition:
New
Limited Supply: Only 3 Left!
In Stock. Ships in 3-5 business days.
Price: $49.47
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
Please Call for Availability
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.
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
Please Call for Availability
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.
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
Limited Supply: Only 2 Left!
In Stock. Ships in 3-5 business days.
Price: $252.20
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
Please Call for Availability
Fine Texture Black and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
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
Please Call for Availability
WCFab Red and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: This stainless steel grille mounts in the opening in the bumper on the 2015-2019 HD Chevrolet Silverado trucks providing protection to the trans cooler assembly from flying road debris while...More Details »
Item #: WCF100290
Condition:
New
Please Call for Availability
Raw Stainless and Fine Texture Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
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
Please Call for Availability
In Stock. Ships in 3-5 business days.
Description: This aluminum panel cleanly finishes the bottom opening of your 2015-2019 Chevy Silverado HD truck bumper when the lower plastic air dam has been removed.
Allows for installation of more...More Details »
Item #: WCF100425, WCF100427
Condition:
New
Please Call for Availability
Fine Texture Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: This aluminum panel finishes the bottom opening of your 2015-2019 Chevy Silverado HD truck bumper when the lower plastic air dam has been removed.
Allows for installation of more aggressive...More Details »
Item #: WCF100426, WCF100428
Condition:
New
Please Call for Availability
10-15 Business Day Lead Time
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
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $231.83
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
Please Call for Availability
In Stock. Ships in 3-5 business days.
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
Please Call for Availability
Raw Stainless and Fine Texture Black in stock ships in 3-5 business days. All other colors 10-15 Business Day Lead Time
Description: Fits 2017-2019 Short Bed & Long Bed and 2020-2023 Long Bed (except 2023 duallys)
Increase fuel filter capacity and amount of time between filter changes
Anodized billet aluminum fuel filter...More Details »
Item #: WCF100361
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $229.89
Description: Coolant Tank
Low Coolant Level Sensor
Billet Anodized Cap
Over Flow Hose
Coolant Level Sight Glass
Installation hardware
Powder Coating
Item #: WCF100433
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey, Gloss Black, and Gloss White in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: 3.5 in. Cold Side Intercooler Pipe
Incorporated threaded bung to reinstall OEM Intake Temperature Sensor
Durable Powder Coat Finish
Silicone Boot
T-Bolt Clamps
O-Rings
NO Tuning...More Details »
Item #: WCF100530
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product cannot ship to California.
Description: Aluminum intake pipe
Intake horn
Air Box & Lid Constructed of 10G Aluminum Sheet
Includes dry filter
NO Tuning required, bolt-on
Will fit on stock truck no other modifications or...More Details »
Item #: WCF100360
Condition:
New
Please Call for Availability
WCFab Red with Standard Brushed Tag, WCFab Grey 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.
This product cannot ship to California.
Description: 3 in. Hot Side Intercooler Pipe
3.5 in. Cold Side Intercooler Pipe
CNC Machined Flange with Double O-Rings provides an improved sealing surface to eliminate boost leaks.
OEM Clip Ring...More Details »
Item #: WCF100718
Condition:
New
Please Call for Availability
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.
This product cannot ship to California.
Description: 4 in. Aluminum Intake Pipe
3.5 in. Intake Horn with PCV Port and Surge Ring
Air box enclosure with dry filter assembly and Outerwears pre-filter cover
Installation hardware, 4 in. silicone...More Details »
Item #: WCF100441
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey, Candy Teal, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product cannot ship to California.
Description: 4 in. Aluminum intake pipe
3.5 in. Intake horn with PCV port and Surge Ring
Air box enclosure with dry filter assembly and Outerwears pre-filter cover
Installation hardware, 4 in. silicone...More Details »
Item #: WCF100403
Condition:
New
Please Call for Availability
10-15 Business Day Lead Time
This product cannot ship to California.
Item #: WCF100729
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Description: - Made from thick, cast A356.0-T6 aluminum
- Includes fasteners, pan, NPT plug, and billet stainless steel Neodymium magnet drain plug
- Finished in your choice of custom powder colors
-...More Details »
Item #: WCF100133
Condition:
New
Please Call for Availability
10-15 Business Day Lead Time
Description: Must Be Installed by an Authorized Dealer
Item #: L5P750+HP
Condition:
New
Please Call for Availability
Description: Must Be Installed by an Authorized Dealer
Item #: L5P750HP
Condition:
New
Please Call for Availability
Description: - Coolant Tank
- Low coolant sensor
- Billet Cap
- Hoses
- Clamps
- Fittings
- Powder Coating
- Made in USA
Item #: WCF100710
Condition:
New
Please Call for Availability
Raw and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time for custom color.
Description: 3" Hot Side Intercooler Pipe
14g Mandrel Bent Aluminum Construction
Silicone Boots
T-Bolt Clamps
Powder Coating
NO Tuning required, bolt on!
Will fit on stock truck no other...More Details »
Item #: WCF100708
Condition:
New
Please Call for Availability
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.
This product cannot ship to California.
Description: 3 1/2" Intake Horn
O-Ring
Mounting studs and nuts
Powder coating
NO Tuning required, bolt on!
Will fit on stock truck no other modifications or upgrades necessary!
Item #: WCF100721
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey, Bengal Red, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product cannot ship to California.
Description: 4" Intake Pipe
Air Box & Lid Constructed of 10G Aluminum Sheet
Dry Air Filter
Outerwear's Pre-Filter Cover
Hardware
Seal for Connection to Ram Air Port on Hood
High Quality Silicone...More Details »
Item #: WCF100344
Condition:
New
Please Call for Availability
WCFab Red with Standard Brushed Tag, WCFab Grey with Standard Brushed Tag, and Gloss Black with Standard Brushed Tag
in stock and ships in 3-5 business days. Other colors currently experiencing longer than normal lead times.
This product cannot ship to California.
Description: 4" Aluminum Intake Pipe
Silicone Hump Boots
T-bolt Clamps
Powder coating
NO Tuning required, bolt on!
Will fit on stock truck no other modifications or upgrades necessary!
Made in USA More Details »
Item #: WCF100709
Condition:
New
Please Call for Availability
WCFab Red 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.
This product cannot ship to California.
Description: Coolant Pipe
Silicone Boots
T-Bolt Clamps
Powder Coating
Item #: WCF100742
Condition:
New
Please Call for Availability
WCFab Red with Standard Brushed Tag, WCFab Grey 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.
Description: -Your Choice of Custom Exergy Sportsman, 10mm, 12mm, or 14mm CP3 pump specific to this kit
-Billet Aluminum, Black Anodized CP3 Pump Mount Plate
-High Pressure Fuel Line
-High Pressure Rail...More Details »
Item #: WCF100455, WCF100456, WCF100457, WCF100458
Condition:
New
Please Call for Availability
In stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Description: -Mount Bracket
-Zinc primer & Semi gloss black powder coat finish
Item #: WCF100276
Condition:
New
Limited Supply: Only 1 Left!
In Stock. Ships in 3-5 business days.
Price: $57.23
Description: - Gasket Kit for 2017-2023 L5P / 2019+ L5D Duramax OEM/VGT Turbos
Item #: WCF100178
Condition:
New
Please Call for Availability
In stock. Ships in 3-5 business days.
Description: Passenger Side Up Pipe
Driver Side Up Pipe
Up Pipe Gaskets (4)
Flows 26% Better than OEM
Made in USA
Item #: WCF100624
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
This product cannot ship to California.
Price: $635.35
Description: - MAP Bung for Custom Intercooler Piping
- CNC Machined Billet Aluminum
- Made in USA
Item #: WCF205-34
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
Description: CNC Machined Billet Aluminum Plug
Black anodized finish with engraved logo
NO Tuning required, bolt on!
Will fit on stock truck no other modifications or upgrades necessary!
Item #: WCF100473
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $27.16
Description: - Fully TIG Welded, CNC machined billet steel exhaust manifolds
- Finished in Black Ceramic Coat rated for 1800ºF
- Includes new gaskets for manifold to cylinder head, EGR flange, and manifold...More Details »
Item #: WCF100226
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
This Product Cannot Ship to the State of California
Description: Fully TIG Welded, CNC machined billet steel exhaust manifolds
Finished in Black Ceramic Coat rated for 1800ºF
Includes new gaskets for manifold to cylinder head, EGR flange, and manifold to...More Details »
Item #: WCF100373
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
This product cannot ship to California.
Description: - Direct Replacement for OEM Thermostat Housing
- Custom Powder Coat Finish
- Cleans up engine bay appearance
- Completes the look when also running one of our Upper Coolant Pipes
Item #: WCF100188
Condition:
New
Please Call for Availability
Gloss White, Gloss Black, WCFab Red, and WCFab Grey in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: ARP Up Pipe Bolt kit for 2017+ Duramax. 12 Washers and Bolts for installing both up pipes. Includes ARP Lube
Item #: WCF100199
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $55.29
Item #: WCF100822
Condition:
New
Limited Supply: Only 1 Left!
In Stock. Ships in 3-5 business days.
Price: $140.65
Description: 3.5" Steel Down Pipe
High Temp Black Ceramic Coat Finish
Heat Wrap Pre-installed
Catalyst Back - Emissions Compliant
NO TUNING REQUIRED!
Made in USA
Item #: WCF100129
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
This product cannot ship to California.
Price: $309.43
Description: - Full length 11G steel c-channel frame rail extensions
- Three full width crossmembers
- Eight bed mounting points
- Front and rear bolt points to chassis
- Made in USA
- Available as a DIY...More Details »
Item #: WCF100627
Condition:
New
Please Call for Availability
10-15 Business Day Lead Time
Ships truck freight. Shipping address must be commercial address with access to a forklift to unload or nearest freight hub for pick up. Will Call Pickup at our facility is also available.
Description: ***For Regular Cab Long Bed, Double 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 #: WCF100826
Condition:
New
Please Call for Availability
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.
Description: ***For Double 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 #: WCF100876
Condition:
New
Please Call for Availability
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.
Wehrli Custom Fabrication 2020-2024 Duramax Traction Bar Brackets & Hardware Install Kit - WCF100831
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 #: WCF100831
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $252.20
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 #: WCF100459
Condition:
New
Please Call for Availability
Fine Texture Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: Aluminum Fabricated Cover
Stainless Hardware
Fill Plug
Custom Powder Coat Finish
Item #: WCF100114
Condition:
New
Please Call for Availability
WCFab Red and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Wehrli Custom Fabrication 2020-2024 GM 2500/3500HD Truck 3/4 in. Front Bumper Spacer Kit - WCF100444
Description: WCFab 3/4" Front Bumper Spacer Kit for 2020-2024 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 #: WCF100444
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $183.33
Wehrli Custom Fabrication 2020-2024 GM 2500/3500HD Truck 3/8 in. Front Bumper Spacer Kit - WCF100446
Description: WCFab 3/8" Front Bumper Spacer Kit for 2020-2024 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 #: WCF100446
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
Description: Qty. 4 CNC Machined Billet Aluminum Marker Light Delete Plates
High quality mounting hardware
Marker Light Harness Dummy Plugs
Available with or without machined WCFab logo in Raw Aluminum...More Details »
Item #: WCF100390, WCF100391, WCF100392, WCF100393
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
Description: 3" Hot Side Intercooler Pipe
Silicone Boots
T-Bolt Clamps
14g Mandrel Bent Aluminum Construction
Powder Coating
NO Tuning required, bolt on!
Will fit on stock truck no other...More Details »
Item #: WCF100365
Condition:
New
Please Call for Availability
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.
This product cannot ship to California.
Description: 3.5 in. Cold Side Intercooler Pipe
Incorporated threaded bung to reinstall OEM Intake Temperature Sensor
Durable Powder Coat Finish
Silicone Boot
T-Bolt Clamps
O-Rings
14g Mandrel...More Details »
Item #: WCF100381
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other
colors.
This product cannot ship to California.
Description: 3 1/2" Intake Horn
O-Ring
Mounting studs and nuts
Powder coating
NO Tuning required, bolt on!
Will fit on stock truck no other modifications or upgrades necessary!
Item #: WCF100833
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey and Gloss Black in stock and ships in 3-5 business days. 10-15 business day
lead time on other colors.
This product cannot ship to California.
Description: 4" Intake Pipe
Air Box & Lid Constructed of 10G Aluminum Sheet
Dry Air Filter
Outerwear's Pre-Filter Cover
Hardware
Seal for Connection to Functional Ram Air Port on Hood
High Quality...More Details »
Item #: WCF100702
Condition:
New
Please Call for Availability
WCFab Red with Standard Brushed Tag, WCFab Grey 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.
This product cannot ship to California.
Description: 4" Intake Pipe
3 1/2" Intake Horn
Air Box & Lid Constructed of 10G Aluminum Sheet
Dry Air Filter
Outerwear's Pre-Filter Cover
Hardware
Seal for Connection to Functional Ram Air Port...More Details »
Item #: WCF100684
Condition:
New
Please Call for Availability
WCFab Red with Standard Brushed Tag, WCFab Grey 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.
This product cannot ship to California.