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- Year: 2021
- Model: Silverado 4500 HD
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Computer Chip Programmer
Description: 2019-2023 Chevrolet Silverado MD 4500/5500/6500 L5D Duramax Diesel
Item #: 22403
Condition:
New
Price: $1,099.95
Description: - Replaces failure prone plastic factory GM Heater Core Firewall Coolant Fitting
- Billet direct-fit replacement with 5/8" barb connection
- More resistant to heat and vibration
- Double O-ring...More Details »
Item #: WCF100155
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $42.00
Sale: $41.00
Save: 2%
Save: $1.00
Description: - CNC Machined Billet Cap is a direct OEM Replacement not a cover
- Includes new diaphragm seal
- Made in USA
- Black Anodized Finish
- Installs in seconds
- Compatible with LB7, LLY, LBZ,...More Details »
Item #: WCF100216
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $45.00
Sale: $44.00
Save: 2%
Save: $1.00
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
- Compatible with LB7, LLY, LBZ,...More Details »
Item #: WCF100215
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $45.00
Sale: $44.00
Save: 2%
Save: $1.00
Description: Correct replacement sensor for WCFab Fabricated Coolant Tanks designed for LB7, LLY, LBZ, LMM and L5P Duramax trucks
Item #: WCF206-19
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $51.00
Sale: $49.00
Save: 4%
Save: $2.00
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
In Stock. Ships in 3-5 business days.
Price: $53.00
Sale: $51.00
Save: 4%
Save: $2.00
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
In Stock. Ships in 3-5 business days.
Price: $53.00
Sale: $51.00
Save: 4%
Save: $2.00
Description: - Compatible with OEM Intake Air Temperature Sensor (IAT) used on passenger (cold) side intercooler pipe on 2011-2016 LML and 2017-2025 L5P Duramax engines
- M10x1.25 thread pitch
- CNC Machined...More Details »
Item #: WCF205-18
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $15.00
Description: - Fits L5P Duramax 2017-2019 Short Bed & Long Bed and 2020-2024 Long Bed (except 2023 & 2024 dually)
- Increase fuel filter capacity and amount of time between filter changes
- Anodized billet...More Details »
Item #: WCF100361
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $255.00
Sale: $245.00
Save: 4%
Save: $10.00
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
In stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $2,575.00
Sale: $2,495.00
Save: 3%
Save: $80.00
Description: -Mount Bracket
-Zinc primer & Semi gloss black powder coat finish
Item #: WCF100276
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $64.00
Sale: $62.00
Save: 3%
Save: $2.00
Description: - Gasket Kit for 2017-2023 L5P / 2019+ L5D Duramax OEM/VGT Turbos
Item #: WCF100178
Condition:
New
In stock. Ships in 3-5 business days.
Price: $150.00
Sale: $145.00
Save: 3%
Save: $5.00
Description: • Easy to install blanket keeps heat inside the turbo housing
• Decreases under hood temperatures
• Internally rated to over 2500°F direct heat
• Durable high temperature exterior shell...More Details »
Item #: WCF100822
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $159.00
Sale: $153.00
Save: 4%
Save: $6.00
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Heavy Duty 2" Passenger Side Up Pipe
- Up Pipe Gaskets (4)
- Flows 26% Better than OEM
- NO TUNING REQUIRED
- Made in USA
Item #: WCF100624
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $705.00
Sale: $689.00
Save: 2%
Save: $16.00
Description: - MAP Sensor Weld Fitting / Bung for Custom Fabricated Intercooler Piping
- CNC Machined Billet Aluminum
- Made in USA
Item #: WCF205-34
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $30.00
Sale: $29.00
Save: 3%
Save: $1.00
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
In Stock. Ships in 3-5 business days.
Price: $32.00
Sale: $31.00
Save: 3%
Save: $1.00
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
In Stock. Ships in 3-5 business days.
This Product Cannot Ship to the State of California
Price: $2,225.00
Sale: $2,159.00
Save: 3%
Save: $66.00
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 #: WCF100373
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $1,619.00
Sale: $1,574.00
Save: 3%
Save: $45.00
Description: - Flows 27% Better than Stock!
- True 4" Inlet Turbo Intake with smooth flowing transition to strategically designed anti-surge face which properly engages into turbo compressor cover for...More Details »
Item #: WCF100775
Condition:
New
WCFab Red, WCFab Grey, Illusion Purple, Bengal Blue, Bengal Red, Flat Black, Gloss Black, Gloss White and Candy Teal in stock and ships in 3-5 business days. 10-15
business day lead time on other colors.
This Product cannot ship to the state of California
Price: $269.00
Sale: $259.00
Save: 4%
Save: $10.00
In Stock. Ships in 3-5 business days.
Price: $15.00
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
WCFab Red, WCFab Grey, Candy Teal, Illusion Purple, 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.
Price: $185.00
Sale: $179.00
Save: 3%
Save: $6.00
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
In Stock. Ships in 3-5 business days.
Price: $62.00
Sale: $60.00
Save: 3%
Save: $2.00
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
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $345.00
Sale: $335.00
Save: 3%
Save: $10.00
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
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.
Price: $995.00
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
Limited Supply
Limited selection. Please see Powder Coating drop down for remaining in stock options. Ships in 3-5 business days. CLEARANCE ITEM. ALL SALES FINAL.
This Product cannot ship to the state of California
Price: $234.00
Sale: $175.50
Save: 25%
Save: $58.50
Description: - Fits 2020+ L5P Duramax Short Bed Trucks
- Increase fuel filter capacity and amount of time between filter changes
- Anodized billet aluminum fuel filter base
- Installs in the same location as...More Details »
Item #: WCF100362
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $255.00
Sale: $245.00
Save: 4%
Save: $10.00
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
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: $999.00
Sale: $989.00
Save: 1%
Save: $10.00
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
WCFab Red, Gloss Black, and Gloss White in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $999.00
Sale: $989.00
Save: 1%
Save: $10.00
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 side mounts
Item #: WCF100831
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $285.00
Sale: $274.00
Save: 4%
Save: $11.00
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
Fine Texture Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $299.00
Sale: $289.00
Save: 3%
Save: $10.00
Description: -Aluminum Fabricated Cover
-Stainless Hardware
-Fill Plug
-Custom Powder Coat Finish
Item #: WCF100114
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: $389.00
Sale: $374.00
Save: 4%
Save: $15.00
Description: WCFab 3/4" Front Bumper Spacer Kit for 2020-2025 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
In Stock. Ships in 3-5 business days.
Price: $205.00
Sale: $199.00
Save: 3%
Save: $6.00
Description: WCFab 3/8" Front Bumper Spacer Kit for 2020-2025 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
In Stock. Ships in 3-5 business days.
Price: $147.00
Sale: $142.00
Save: 3%
Save: $5.00
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...More Details »
Item #: WCF100390, WCF100391, WCF100392, WCF100393
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $259.00
Sale: $249.00
Save: 4%
Save: $10.00
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
WCFab Grey, Bengal Red, Gloss Black, and Candy Teal in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $345.00
Sale: $334.65
Save: 3%
Save: $10.35
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...More Details »
Item #: WCF100381
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.
This Product cannot ship to the state of California
Price: $385.00
Sale: $374.00
Save: 3%
Save: $11.00
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
WCFab Red, WCFab Grey, Illusion Purple, Candy Blue, 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 the state of California
Price: $649.00
Sale: $629.00
Save: 3%
Save: $20.00
Description: - 4" Intake Pipe
- 4 in. Intake Horn with PCV Port and Surge Ring
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Hardware
- Seal for...More Details »
Item #: WCF100684
Condition:
New
WCFab Red, WCFab Grey, Candy Teal, 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 the state of California
Price: $859.00
Sale: $835.00
Save: 3%
Save: $24.00
Description: -4" Intake Pipe
-Silicone Hump and Straight Boots
-T-bolt Clamps
-Powder coating
-NO Tuning required, bolt on!
-Will fit on stock truck no other modifications or upgrades necessary!
Item #: WCF100720
Condition:
New
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 the state of California
Price: $235.00
Sale: $225.00
Save: 4%
Save: $10.00
Description: - Auxiliary Coolant Tank for Fuel Cooler
- Black Anodized Billet Aluminum Cap
- Overflow Flow Fitting
- Preformed Hose
- Custom Powder Coat Finish
Item #: WCF100224
Condition:
New
WCFab Red, WCFab Grey, Candy Teal, Illusion Purple, 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.
Price: $249.00
Sale: $239.00
Save: 4%
Save: $10.00
Description: -Coolant Tank
-Low Coolant Level Sensor
-Black Anodized Billet Aluminum Cap
-Over Flow Hose
-Coolant Level Sight Glass
-Installation hardware
-Powder Coating
Item #: WCF100268
Condition:
New
WCFab Red, WCFab Grey, Candy Teal, Illusion Purple, Bronze Chrome, 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.
Price: $540.00
Sale: $525.00
Save: 3%
Save: $15.00
Description: - 3 in. Hot Side Intercooler Pipe
- 3.5 in. Cold Side Intercooler Pipe
- CNC Machined Flange and black anodized billet aluminum adapter with Double O-Rings provides an improved sealing surface to...More Details »
Item #: WCF100410
Condition:
New
WCFab Grey, Illusion Purple, 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 the state of California
Price: $699.00
Sale: $679.00
Save: 3%
Save: $20.00
Description: - 4 in. Aluminum Intake Pipe
- 4 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 #: WCF100414
Condition:
New
Candy Teal in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $1,559.00
Sale: $1,515.00
Save: 3%
Save: $44.00
Description: - 4 in. Aluminum Intake Pipe
- 4 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 #: WCF100418
Condition:
New
WCFab Red, 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 the state of California
Price: $1,885.00
Sale: $1,829.00
Save: 3%
Save: $56.00
Description: -Coolant Pipe
-Silicone Boots
-T-Bolt Clamps
-Powder Coating
Item #: WCF100541
Condition:
New
WCFab Red, WCFab Grey, Illusion Purple, Bronze Chrome, Candy Teal, 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.
Price: $175.00
Sale: $168.00
Save: 4%
Save: $7.00
Description: - Made from thick, cast aluminum
- Includes fasteners, pan, NPT plug, and billet stainless steel Neodymium magnet drain plug
- Finished in your choice of custom powder colors
- Provides 2...More Details »
Item #: WCF100134
Condition:
New
10-15 Business Day Lead Time
Price: $509.00
Description: - Correct Replacement Dry Air Filter for WCFab 4" Intake kits and S300 Turbo Single Install Kits
- Dry Air Filter 4" Inlet
- Airflow comparable to cotton filters
- Exceptional filtration keeps...More Details »
Item #: WCF100717
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $75.00
Sale: $72.00
Save: 4%
Save: $3.00
Description: - 8 Pack of 4" Air Filters
- Correct Replacement Dry Air Filter for WCFab 4" Intake kits and S300 Turbo Single Install Kits
- Dry Air Filter 4" Inlet
- Airflow comparable to cotton filters
-...More Details »
Item #: WCF100717-8
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $570.00
Sale: $549.00
Save: 4%
Save: $21.00
Description: - 8 Pack of 5" Air Filters
- Correct Replacement Dry Air Filter for WCFab 5" Air Intakes, Twin Turbo and S400 Single Turbo Install Kits
- Dry Air Filter 5" Inlet
- Airflow comparable to cotton...More Details »
Item #: WCF100719-8
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $570.00
Sale: $549.00
Save: 4%
Save: $21.00
Description: - Replacement cap for WCFab Coolant Tank
- Black Anodized Finish
Item #: WCF100543
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $40.00
Sale: $39.00
Save: 2%
Save: $1.00
Description: - Replacement Cap for WCFab Coolant Tank
- Clear Anodized Finish
Item #: WCF100472
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $40.00
Sale: $39.00
Save: 2%
Save: $1.00
Description: - Compressor Outlet V-Band Mating Flange for Borg Warner S400 Style Turbos
- Sized for 3.5 in. Pipe
- Clamp, and O-Ring Seal Sold Separately
- CNC Machined from Billet Aluminum
- Made in USA
Item #: WCF205-66
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $40.00
Sale: $38.00
Save: 5%
Save: $2.00
Description: - Compressor Outlet V-Band Mating Flange for Borg Warner S400 Style Turbos
- Clamp, and O-Ring Seal Sold Separately
- CNC Machined from Billet Aluminum
- Made in USA
Item #: WCF205-65
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $40.00
Sale: $38.00
Save: 5%
Save: $2.00
Description: - O-RING SEAL PLUG FOR #16 (1 inch) ORB Thread (O-Ring Boss)
- 3/4” Hex Head Socket Drive
- For use with WCFab Differential Covers
- CNC Machined Billet Plug
- Made in USA
- Black or Clear Anodized Finish
Item #: WCF205-459
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $26.00
Sale: $25.00
Save: 4%
Save: $1.00
Description: - Compressor Outlet V-Band Mating Flange for Borg Warner S400 Style Turbos
- Sized for 3.5 in. Pipe
- Clamp, and O-Ring Seal Sold Separately
- CNC Machined from Billet Steel
- Made in USA
Item #: WCF205-68
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $35.00
Sale: $34.00
Save: 3%
Save: $1.00
In Stock. Ships in 3-5 business days.
Price: $2.00
Description: - Durable Black ABS Plastic Construction
- Molded / 3D WCFab Logo
Item #: WCF100039
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $10.00
Description: Double Bulb Seal for 2020-2025 L5P Duramax WCFab Air Box to Ram Air Hood
Item #: WCF206-52
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $29.95
Description: - Replaces ugly OEM aerial antenna
- CNC Machined Billet Aluminum
- Designed to resemble a TIG Torch Cap
- Custom Powder Coat Finish
- Made in USA
- Installs in Minutes
- Bluetooth Audio &...More Details »
Item #: WCF100041, WCF100049
Condition:
New
WCFab Red, WCFab Grey, Gloss White, Gloss Black and Raw in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $61.00
Item #: WCF203-83
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $1.99
Items 1-60 of 68
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