- 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
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
- 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
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
In Stock. Ships in 3-5 business days.
Price: $42.00
2001-2007 and 2011-2019 Duramax Oil Cooler Upgrade KitNew801279132528
- Cools 31% or better
- More cooling plates for better heat rejection
- Increased cooling stack surface area
- Pre-installed 1/8-inch NPT sensor port for temp or pressure
- Includes all hardwar...
Description: - Cools 31% or better
- More cooling plates for better heat rejection
- Increased cooling stack surface area
- Pre-installed 1/8-inch NPT sensor port for temp or pressure
- Includes all hardware
- Includes Baldwin B40150 oil filter
- 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 and manifold to up pipe
-...
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 and manifold to up pipe
-...More Details »
Item #: WCF100363
Condition: New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $1,329.00
2001-2016 Duramax Fleece Billet Coolant Block Off PlateNew670875715875
- Fixes coolant leaks common to OE covers over time
- Integral square cut o-ring
- CNC Machined Billet Aluminum Construction
- Made in USA
Description: - Fixes coolant leaks common to OE covers over time
- Integral square cut o-ring
- CNC Machined Billet Aluminum Construction
- Made in USA
Item #: FPE-DMAX-CBOP
Condition: New
Price: $55.00
2001-2016 Duramax LB7/LLY/LBZ/LMM/LML ARP Custom Age 625+ Head Stud KitNew672036035853
- ARP Custom Age 625+ Material
- 260,000 PSI Tensile Strength
- Chrome-moly Steel, 12-Point Nuts
- Parallel-Ground Washers Included
- Sold as a kit
- Made in USA
- For Competition Use
Description: - ARP Custom Age 625+ Material
- 260,000 PSI Tensile Strength
- Chrome-moly Steel, 12-Point Nuts
- Parallel-Ground Washers Included
- Sold as a kit
- Made in USA
- For Competition Use
Item #: 230-4202
Condition: New
Price: $1,935.00
2001-2016 Duramax LB7/LLY/LBZ/LMM/LML ARP-2000 Head Stud KitNew672036032678
- ARP 2000 Material
- 220,000 PSI Tensile Strength
- Chrome-moly Steel, 12-Point Nuts
- Parallel-Ground Washers Included
- Black Oxide Finish
- Sold as a kit
- Made in USA
Description: - ARP 2000 Material
- 220,000 PSI Tensile Strength
- Chrome-moly Steel, 12-Point Nuts
- Parallel-Ground Washers Included
- Black Oxide Finish
- Sold as a kit
- Made in USA
Item #: 230-4201
Condition: New
Price: $695.00
2001-2016 Duramax Up Pipe Bolt KitNew
ARP Up Pipe Bolt kit for 2001-2016 Duramax. 6 Washers and Bolts for installing 1 up pipe. Includes ARP Lube.
Purchase two sets when installing a pair of up pipes.
Description: ARP Up Pipe Bolt kit for 2001-2016 Duramax. 6 Washers and Bolts for installing 1 up pipe. Includes ARP Lube.
Purchase two sets when installing a pair of up pipes.
Item #: WCF100240
Condition: New
In Stock. Ships in 3-5 business days.
Price: $35.00
2001-2016 Duramax 2" Stainless Driver Side Up Pipe for OEM or WCFab Manifold with GasketsNew
- Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Up Pipe Gaskets (2)
- Made in USA
- Upgraded strength billet C2 Clutch Hub for High Horsepower / Torque Builds
- A must do upgrade for Allison 1000 5 and 6 speed transmissions in trucks making 750+ HP
- 29% more spline wall thick...
Description: - Upgraded strength billet C2 Clutch Hub for High Horsepower / Torque Builds
- A must do upgrade for Allison 1000 5 and 6 speed transmissions in trucks making 750+ HP
- 29% more spline wall...More Details »
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
WCFab Red, Bengal Blue, Bengal Red, Gloss Black, Candy Teal, and Gloss White in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $135.00
2001-2019 Duramax Cognito Stock/Level Front Sway Bar End Link Kit (GM)New691965602646
Front Sway Bar End Link Kit for stock or leveled 2001-2019 Chevrolet and GMC 2500HD / 3500HD 2WD/4WD trucks. Mounting surface to mounting surface measurement for this Kit is 7".
-Stock height or l...
Description: Front Sway Bar End Link Kit for stock or leveled 2001-2019 Chevrolet and GMC 2500HD / 3500HD 2WD/4WD trucks. Mounting surface to mounting surface measurement for this Kit is 7".
-Stock height or...More Details »
Item #: 110-90252
Condition: New
Ships in 3-5 Business Days.
Price: $109.95
2001-2019 Duramax Fox 2.0 Performance Series IFP Rear Shock for 0" to 1" of Rear LiftNew714686856683
- Rear Shock (Single)
- For Stock Height Trucks with 0" to 1" of Rear Lift
Description: - Rear Shock (Single)
- For Lifted Trucks with 7" to 10" of Rear Lift
Item #: 980-24-957
Condition: New
Price: $309.95
2001-2020 Duramax Cognito Alloy Series HD Upper Ball Joint (GM)New720843688820
Upper Ball Joint for Cognito Upper Control Arms on 2001-2020 GM 2500HD / 3500HD 2WD/4WD trucks with OE aluminum and stamped steel control arms.
- Cognito HD Series Upper Ball Joint (GM)
- Hardene...
Description: Upper Ball Joint for Cognito Upper Control Arms on 2001-2020 GM 2500HD / 3500HD 2WD/4WD trucks with OE aluminum and stamped steel control arms.
- Cognito HD Series Upper Ball Joint (GM)
-...More Details »
Item #: 199-90804
Condition: New
Ships in 3-5 Business Days.
Price: $69.95
2001-2024 GM Billet Aluminum Oil Fill Cap, Black AnodizedNew
-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 Ano...
Allison Transmission bracket for 2005-2019 GM 2500HD / 3500HD 4WD trucks (equipped with 6 speed Allison only). Note: Required with Cognito CV front drivelines.
NOTE: For use with Cognito CV Drivel...
Description: Allison Transmission bracket for 2005-2019 GM 2500HD / 3500HD 4WD trucks (equipped with 6 speed Allison only). Note: Required with Cognito CV front drivelines.
NOTE: For use with Cognito CV...More Details »
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Steel
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-33
Condition: New
In Stock. Ships in 3-5 business days.
Price: $34.00
2007.5-2024 GM Fleece All Lights On ModuleNew670875716810
- Installs in minutes
- Allows low beams and fog lamps to stay on when your high beams are active for better nighttime visibility in rural areas
- Low beams and Fogs operate normally when High Be...
Description: - Installs in minutes
- Allows low beams and fog lamps to stay on when your high beams are active for better nighttime visibility in rural areas
- Low beams and Fogs operate normally when High Beams are not on
2011-2016 LML Duramax 2" Stainless Passenger Side Up Pipe Kit for OEM or WCFab Manifolds w/ GasketsNew
- Heavy Duty 2" Passenger Side Up Pipe
- Fully TIG Welded 11 GA Stainless Steel Construction
- Ductile Iron Cast EGR Connection w/ EGT Sensor Port
- Compatible with OEM & WCFab Turbo Down Pipes...
Description: - Heavy Duty 2" Passenger Side Up Pipe
- Fully TIG Welded 11 GA Stainless Steel Construction
- Ductile Iron Cast EGR Connection w/ EGT Sensor Port
- Compatible with OEM & WCFab Turbo Down Pipes...More Details »
Item #: WCF100211
Condition: New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $419.00
2011-2016 LML Duramax 2" Stainless Up Pipe Kit for OEM or WCFab Manifolds w/ GasketsNew
- Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Heavy Duty 2" Passenger Side Up Pipe
- Ductile Iron Cast EGR Connection w/ EGT Sensor Port
- Compati...
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Heavy Duty 2" Passenger Side Up Pipe
- Ductile Iron Cast EGR Connection w/ EGT Sensor Port
-...More Details »
Item #: WCF100197
Condition: New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $695.00
2011-2016 LML Duramax 3.5" Passenger (Cold) Side Intercooler Pipe KitNew
- 23% Gain in Air Flow Over Stock
- 3.5 in. Cold Side Intercooler Pipe
- 14g aluminum construction
- Incorporated threaded bung to reinstall OEM Intake Temperature Sensor
- Silicone Boots
- T-...
Description: - 23% Gain in Air Flow Over Stock
- 3.5 in. Cold Side Intercooler Pipe
- 14g aluminum construction
- Incorporated threaded bung to reinstall OEM Intake Temperature Sensor
- Silicone Boots
-...More Details »
Item #: WCF100682
Condition: New
WCFab Red, WCFab Grey, Bengal Blue, 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: $319.00
2011-2016 LML Duramax 4" Intake Kit with Air BoxNew
- 37% Improvement in Air Flow Over Stock
- 4" Intake Pipe
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware
-...
Description: - 37% Improvement in Air Flow Over Stock
- 4" Intake Pipe
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware
-...More Details »
Item #: WCF100194
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: $519.00
2011-2016 LML Duramax 4" Intake Kit with Air Box Stage 2New
- 37% Improvement in Air Flow Over Stock Intake
- 5.6% Improvement in Air Flow Over Stock Intake Horn
- 4" Intake Pipe
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Oute...
Description: - 37% Improvement in Air Flow Over Stock Intake
- 5.6% Improvement in Air Flow Over Stock Intake Horn
- 4" Intake Pipe
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
-...More Details »
Item #: WCF100304
Condition: New
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.
This product Cannot Ship to the State of California
Price: $809.00
2011-2016 LML Duramax Aluminum MAF Sensor BungNew
- MAF Bung for Custom Intakes
- CNC Machined Billet Aluminum
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Description: - MAP Bung for Custom Intercooler Piping
- CNC Machined Billet Aluminum
- Made in USA
Item #: WCF205-36
Condition: New
In Stock. Ships in 3-5 business days.
Price: $29.00
2011-2016 LML Duramax CP3 Conversion KitNew
- Black Anodized, CNC Machined Billet CP3 Pump Mounting Plate
- Precision Formed, Pre-Bent CP3 Feed lines for use With or Without OEM Fuel Filter Housing
- CNC Machined Stainless Steel High Flow ...
Description: - 3 in. Hot Side Intercooler Pipe
- 14g Mandrel Bent Aluminum Construction
- Silicone Boot
- T-Bolt Clamps
- Powder Coating
- No tuning required
Item #: WCF100353
Condition: New
WCFab Red, WCFab Grey, Candy Red, Bengal Blue, 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: $289.00
2011-2016 LML Duramax EFI Live Custom Performance ECM TuningNew
- EMISSIONS INTACT Custom Performance Tuning
- Add up to +135 RWHP & +243 lb/ft TQ to your Duramax
- Single Tune Options Available:
- Heavy Tow (8K lbs to GVWR)- +40 RWHP, +72 ft-lbs
- Light To...
Item #: DT1150010001010Calibrated Power / Duramax Tuner
Description: - EMISSIONS INTACT Custom Performance Tuning
- Add up to +135 RWHP & +243 lb/ft TQ to your Duramax
- Single Tune Options Available:
- Heavy Tow (8K lbs to GVWR)- +40 RWHP, +72 ft-lbs
- Light...More Details »
Item #: DT1150010001010
Condition: New
Save 10% on SOTF Tuning until 4/30!
This Product cannot ship to the state of California
Price: $300.00
2011-2016 LML Duramax EZ Lynk Switch On The Fly ECM AND TCM TuningNew
- EMISSIONS INTACT Custom Performance Tuning
- Add up to +135 RWHP & +243 lb/ft TQ to your Duramax
- Switch-On-The-Fly (SOTF) - 5 Power Levels At Your Finger Tips When You Need Them
- INCLUDES T...
Item #: DT1150020001060Calibrated Power / Duramax Tuner
Description: - EMISSIONS INTACT Custom Performance Tuning
- Add up to +135 RWHP & +243 lb/ft TQ to your Duramax
- Switch-On-The-Fly (SOTF) - 5 Power Levels At Your Finger Tips When You Need Them
- INCLUDES...More Details »
Item #: DT1150020001060
Condition: New
Save 10% on SOTF Tuning until 4/30!
This Product cannot ship to the state of California
- Incorporates Fuel Heating Element on LML Duramax Trucks for Better Cold Start Performance
- Reduces Chance of Fuel Gelling in Cold Weather
- Replaces Factory Fuel Filter Base and Eliminates Fac...
Description: - Incorporates Fuel Heating Element on LML Duramax Trucks for Better Cold Start Performance
- Reduces Chance of Fuel Gelling in Cold Weather
- Replaces Factory Fuel Filter Base and Eliminates...More Details »
Item #: FPE-DMAX-HFFBA-1116
Condition: New
This Product cannot ship to the state of California
Price: $399.00
2011-2016 LML Duramax HD Engine MountsNew
- Left & Right Mount
- High Grade Hardware for Mount to Engine
- Thread-locker compound
- Poly Bushings
- Powder Coating
Description: - Left & Right Mount
- High Grade Hardware for Mount to Engine
- Thread-locker compound
- Poly Bushings
- Powder Coating
Item #: WCF100160
Condition: New
Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $429.00
2011-2016 LML Duramax High Flow Turbo Intake HornNew
- 4.8 in. Inlet, Largest Intake Horn on the Market
- CNC Machined Cast Aluminum Construction
- Includes PCV Port
- Eliminates Resonator Connection
- Silicone Reducer Boot
- Stainless Steel T-...
Description: - 4.8 in. Inlet, Largest Intake Horn on the Market
- CNC Machined Cast Aluminum Construction
- Includes PCV Port
- Eliminates Resonator Connection
- Silicone Reducer Boot
- Stainless Steel...More Details »
Item #: WCF100417
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: $399.00
2011-2016 LML Duramax New S&S 100% Injectors (qty. 8)New
-8 New Injectors
-Modified 100% flow over OEM
-Injector Coppers and O-rings
Description: -8 New Injectors
-Injector Coppers and O-rings
Item #: LML-10SAC
Condition: New
This Product cannot ship to the state of California
Price: $2,610.40
2011-2016 LML Duramax Passenger Side Upper Crossover Intercooler Pipe KitNew
- 18% Gain in Air Flow Over Stock
- 3 in. High Flow Upper Intercooler Cross Over Pipe
- 14g aluminum construction
- Compatible with OEM Y-Bridge
- Includes Billet Turbo Resonator Plate for OEM ...
Description: - 18% Gain in Air Flow Over Stock
- 3 in. High Flow Upper Intercooler Cross Over Pipe
- 14g aluminum construction
- Compatible with OEM Y-Bridge
- Includes Billet Turbo Resonator Plate for OEM...More Details »
Item #: WCF100328
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: $419.00
2011-2016 LML Duramax S&S 50 State CP3 Conversion Kit with PumpNew
- No calibration needed
- CARB-compliant EO #D-756
- Improved durability over stock CP4.2
Description: - No calibration needed
- CARB-compliant EO #D-756
- Improved durability over stock CP4.2
Item #: LML-CP3-CARB
Condition: New
50 State Compliant - CARB EO #D-756
Price: $2,600.00
2011-2016 LML Duramax Stage 1 High Flow Intake Bundle KitNew
- 3 in. High Flow Upper Intercooler Cross Over Pipe (18% Gain in Air Flow Over Stock)
- 3.5 in. Passenger (Cold) Side Intercooler Pipe (23% Gain in Air Flow Over Stock)
- 3 in. Driver (Hot) Side ...
Description: - 3 in. High Flow Upper Intercooler Cross Over Pipe (18% Gain in Air Flow Over Stock)
- 3.5 in. Passenger (Cold) Side Intercooler Pipe (23% Gain in Air Flow Over Stock)
- 3 in. Driver (Hot) Side...More Details »
Item #: WCF100409
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: $999.00
2011-2016 LML Duramax Steel MAF Sensor BungNew
- MAF Bung for Custom Intakes
- CNC Machined Billet Steel
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
- CNC Machined Billet Aluminum Plate
- Black anodized finish with engraved logo
- Includes Stainless Mounting Hardware
- NO Tuning required, bolt on!
- Will fit on stock truck no other modifica...
Description: - CNC Machined Billet Aluminum Plate
- Black anodized finish with engraved logo
- Includes Stainless Mounting Hardware
- NO Tuning required, bolt on!
- Will fit on stock truck no other modifications or upgrades necessary!