Wehrli Custom Fabrication - WCFab » 2025, 6.6L Duramax

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  • (X) Year: 2025
  • (X) Model: 6.6L Duramax

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Items 1-45 of 45
NEW!
Description: - Recommended for trucks with stock or basic bolt on parts - 5 Power Levels Adjustable on-the-fly through smartphone app - Built in adjustable Throttle Booster gives you two devices in one -...More Details »
Item #: 20202
Condition: New
This product canot Ship to the State of California
Price: $539.95
Sale: $485.95
Save: 10%
Save: $54.00


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, LMM, LML, and L5P Duramax Equipped Trucks
Item #: WCF100216
Condition: New
In Stock. Ships in 3-5 business days.
Price: $44.00
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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, LMM, LML, and L5P Duramax Equipped Trucks
Item #: WCF100215
Condition: New
In Stock. Ships in 3-5 business days.
Price: $44.00
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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: $51.00

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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: $51.00

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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 Billet Aluminum - Made in USA
Item #: WCF205-18
Condition: New
In Stock. Ships in 3-5 business days.
Price: $15.00
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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: $689.00


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: $29.00
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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: $31.00
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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: $2,159.00

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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: $1,574.00

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NEW!
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 and WCFab Grey 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: $259.00


In Stock. Ships in 3-5 business days.
Price: $15.00
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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, 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: $179.00


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: $60.00

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In Stock. Ships in 3-5 business days.
Price: $153.00

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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: $335.00


Description: - Allows for removal of the stock rear bumper - Easy installation with basic hand tools - All necessary hardware included - Hidden 2.5" Receiver Hitch Sold Separately
Item #: BHP5006
Condition: New
In Stock. Ships in 3-5 business days.
Price: $795.00


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: $989.00


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: $989.00


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: $274.00


Description: - Pairs with BHP 20+ GM HD Roll Pan BHP5006 (Chevy) and BHP5007 (GMC) - Built-in mounting bracket for factory trailer plug - Class 4+ Receiver - SAE J684-05 certified - Complete bolt in design...More Details »
Item #: BHP1045, BHP1046
Condition: New
In Stock. Ships in 3-5 business days.
Price: $529.00


Description: - Pairs with BHP 20+ GM HD Roll Pan BHP5006 (Chevy) and BHP5007 (GMC) - Built-in mounting bracket for factory trailer plug - Class 4+ Receiver - SAE J684-05 certified - Complete bolt in design...More Details »
Item #: BHP1037, BHP1038
Condition: New
In Stock. Ships in 3-5 business days.
Price: $529.00


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: $289.00


Description: -Aluminum Fabricated Cover -Stainless Hardware -Fill Plug -Custom Powder Coat Finish
Item #: WCF100114
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: $374.00


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: $199.00

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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: $142.00

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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: $249.00


Description: - Allows for removal of the stock rear bumper - Easy installation with basic hand tools - All necessary hardware included - Hidden 2.5" Receiver Hitch Sold Separately
Item #: BHP5007
Condition: New
In Stock. Ships in 3-5 business days.
Price: $795.00


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 modifications or upgrades necessary!
Item #: WCF100365
Condition: New
WCFab Red, WCFab Grey, Candy Red, 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: $332.00


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, 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 the state of California
Price: $374.00


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.
This Product cannot ship to the state of California
Price: $234.00
Sale: $187.00
Save: 20%
Save: $47.00


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, 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: $629.00


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, 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: $835.00


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: $225.00


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, 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: $239.00


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, Bronze Chrome, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $525.00


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 Red, WCFab Grey, Illusion Purple, 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.
This Product cannot ship to the state of California
Price: $679.00


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
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: $1,515.00


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 White 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: $1,829.00


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 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.
Price: $168.00


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 additional Quarts of Oil Capacity vs. Stock
Item #: WCF100134
Condition: New
10-15 Business Day Lead Time
Price: $509.00


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 & Satellite Radio Compatible
Item #: WCF100041, WCF100049
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


In Stock. Ships in 3-5 business days.
Price: $1.99
Qty:

Items 1-45 of 45

View Universal items for: 2025, 6.6L Duramax