- Home »
- Catalog
Wehrli Custom Fabrication - WCFab » Chevrolet / GMC, 6.6L Duramax
Products for:
- Make: Chevrolet / GMC
- Model: 6.6L Duramax
View Universal items for: Chevrolet / GMC 6.6L Duramax
Browse Products
Description: No leaf springs, no problem. Let Kelderman's 6-8" 4-Link Rear Air Suspension Lift Kit take the bouncing out of your ride and the squatting suspension out of towing.
- Replaces stiff factory leaf...More Details »
Item #: KELDERMAN 20+ GM 6-8 RR AIR SUS
Condition:
New
Please Call for Availability
This product is only Available for Purchase and Installation Through Our Performance Shop.
Description: - 3-Piece Modular Design
- Standard & Wide Versions Available for Use with Stock and Aftermarket Fender Flares
- Optional Clevis Hooks
- Optional LED Lights
- Optional Parking Sensor Mounting Holes
Item #: KELDERMAN 20+ GM DELTA RR
Condition:
New
Please Call for Availability
This product is only Available for Purchase and Installation Through Our Performance Shop.
Description: - 3-Piece Modular Design
- Standard & Wide Versions Available for Use with Stock and Aftermarket Fender Flares
- Optional Clevis Hooks
- Optional LED Lights
- Optional HD Winch Mount
- Optional Parking Sensor Mounting Holes
Item #: KELDERMAN 2-+ GMC DELTA FRNT
Condition:
New
Please Call for Availability
This product is only Available for Purchase and Installation Through Our Performance Shop.
Description: - 3-Piece Modular Design
- Standard & Wide Versions Available for Use with Stock and Aftermarket Fender Flares
- Optional Clevis Hooks
- Optional LED Lights
- Optional HD Winch Mount
- Optional Parking Sensor Mounting Holes
Item #: KELDERMAN 20+ CHEVY DELTA FRNT
Condition:
New
Please Call for Availability
This product is only Available for Purchase and Installation Through Our Performance Shop.
Description: - Headlights: 2x (One Pair) 2020-2023 Silverado 2500/3500 HD XB Hybrid Headlights
- Functions: DRL (White), Turn, Parking, Low, High
- Wiring: Plug and Play Harness, Fuse Tap
- Input: GM...More Details »
Item #: LF546
Condition:
New
Price: $1,200.00
Description: - Headlights: 2x (One Pair) 2020-2023 Silverado HD XB LED Headlights
- Functions: DRL (White), Turn, Parking, Low, High
- Wiring: Plug and Play Harness, Fuse Tap
- Input: GM Multi-Pin OEM
-...More Details »
Item #: LF547
Condition:
New
Price: $1,800.00
Description: Adds up to +81 hp, +144 lb-ft
6 power levels adjustable on-the-fly. Interfaces with OBD-II (On-Board Diagnostics) to communicate with the vehicle's ECM. AutoRate uses vehicle data to adjust tune...More Details »
Item #: 67103
Condition:
New
Price: $889.00
Description: Adds up to +81 hp, 144 lb-ft
6 power levels adjustable on-the-fly. Interfaces with OBD-II (On-Board Diagnostics) to communicate with the vehicle's ECM. AutoRate uses vehicle data to adjust tune in...More Details »
Item #: 67102
Condition:
New
Price: $769.00
Description: - 5" aluminized steel constant-diameter DPF-back exhaust system.
- 15% reduction in exhaust temperature 2 feet behind the tip during regen
- Huge patented 6.5" x 7.5" ob-round slash-cut exhaust...More Details »
Item #: 49809, 49809-B
Condition:
New
CARB E.O. Not Required
Price: $648.00
Description: - 5" aluminized steel constant-diameter DPF-back exhaust system.
- 15% reduction in exhaust temperature 2 feet behind the tip during regen
- Huge patented 6.5" x 7.5" ob-round slash-cut exhaust...More Details »
Item #: 48997, 48997-B
Condition:
New
CARB E.O. Not Required
Price: $628.20
Description: - GM Allison 10L1000 Valve Body Performance Shift Kit
- Improved adjustable shift firmness
- Lower Transmission Temperatures - Bypasses internal thermostat reducing fluid flow restriction to the...More Details »
Item #: RT-A10L-PR
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $79.95
Description: - EMISSIONS INTACT Custom Performance Tuning
- Add up to +150 RWHP & +270 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 #: DT1160030001002
Condition:
New
This Product cannot ship to the state of California
Free Ground Shipping
Price: $600.00
Description: - Pre-Tuned T93 TCM for 10 Speed Allison 10L1000 Transmission
- Select Mild or Aggressive Shift Points
- Better Acceleration
- Quicker Shifts
- Prevents short shifting in performance use
-...More Details »
Item #: DM1MO1372082000
Condition:
New
This Product cannot ship to the state of California
Price: $775.00
Description: Torsion Bar Keys for 2020-2023 GM 2500HD / 3500HD 2WD/4WD trucks.
Item #: 110-90771
Condition:
New
Price: $139.95
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: - Front Shock (Single)
- For Leveled Trucks with 1.5" to 2.5" of Front Lift
Item #: 985-24-240
Condition:
New
Price: $219.95
Description: - Front Shock (Single)
- For Stock Height Trucks with 0" to 1" of Front Lift
Item #: 985-24-238
Condition:
New
Price: $219.95
Description: - Rear Shock (Single)
- For Stock Height Trucks with 0" to 1" of Rear Lift
Item #: 985-24-239
Condition:
New
Price: $219.95
Description: - Front Shock (Single)
- For Leveled / Lifted Trucks with 1.5" to 3.0" of Rear Lift
Item #: 985-24-241
Condition:
New
Price: $219.95
Description: - Front Shock (Single)
- For Stock Height Trucks with 0" to 1" of Front Lift
Item #: 985-24-242
Condition:
New
Price: $339.95
Description: - Front Shock (Single)
- For Leveled Trucks running Aftermarket Upper Control Arms such as Cognito or Kryptonite and 1.5" to 2.5" of Front Lift
Item #: 985-24-244
Condition:
New
Price: $339.95
Description: - Rear Shock (Single)
- For Stock Height Trucks with 0" to 1" of Rear Lift
Item #: 985-24-243
Condition:
New
Price: $339.95
Description: - Rear Shock (Single)
- For Lifted Trucks with 1.5" to 3" of Rear Lift
Item #: 985-24-245
Condition:
New
Price: $339.95
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 2020-2024 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
In Stock. Ships in 3-5 business days.
Price: $199.00
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
In Stock. Ships in 3-5 business days.
Price: $142.00
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: $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: - Complete direct bolt in CV driveline
- 1310 series u-joint double cardan CV
- 1330 u-joint at differential
- Lift Height: 4-Inch 7-Inch and 10-Inch
- 0.25-hour DIY install time
- Made in the USA
Item #: 210-90983
Condition:
New
Price: $699.95
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
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
- 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...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: - Minimizes air restriction and flow better than stock
- Fully enclosed airbox that protects the filter from dirt and keeps out engine heat
- Snap-In lid design requires no screws to secure it to the box
Item #: 75-5136, 75-5136D
Condition:
New
This Product Cannot Ship to the State of California
Price: $349.00
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
- 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....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
- 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....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: - Designed specifically to work with GM's MultiPro tailgate
- Lock it in your receiver, stow the ball assembly underneath, and you're free to use the inner-gate and step feature of your MultiPro tailgate
Item #: TS20066BMP, TS20067BMP
Condition:
New
Price: $389.00
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: - Easy Installation
- No trimming is required to install if leaving off the factory mud guards
- All necessary installation hardware
- Powder-coated semi-gloss black
- 30-minute DIY install time
- Made in the USA
Item #: 110-91193
Condition:
New
Price: $99.95
Description: 2" Economy Leveling Kit for 2020-2023 GM 2500HD / 3500HD 2WD/4WD trucks.
- Yields 2 Inches of front lift
- Forged steel torsion bar adjuster keys
- 1/2 Inch Extenders for OEM front shocks
-...More Details »
Item #: 110-90776
Condition:
New
Price: $159.95
Description: 2" Economy Leveling Lift Kit for 2020-2023 GM 2500HD / 3500HD 2WD/4WD trucks.
- Yields 2 Inches of Front Lift
- Front Shock Spacer kit
- Torsion Bar Keys
- 1 inch Block and U Bolt Kit
-...More Details »
Item #: 110-90800
Condition:
New
Price: $339.95
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 the stock cartridge filter base
Item #: WCF100362
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $245.00
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: - Plug and Play Installation
- Fits Double and Crew Cab Chevy Silverado and GMC Sierra 2500/3500 Diesel
- Includes Mounting Hardware
- Requires Drilling
Item #: 76255-01A
Condition:
New
$12 Flat Rate Fedex Ground Shipping On AMP Research Steps - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $1,799.99
Description: - V-Band Mating Flange for Hot Side Intercooler Pipe
- Mates with WCFab Weld-On S300SXE Turbo Compressor Outlet Cone or Duramax VGT / VVT Outlet Flange
- CNC machined billet aluminum
- Made in USA
Item #: WCF205-121
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $36.00
Description: - Fits Extended and Crew Cab Chevy Silverado and GMC Sierra 2500/3500 Diesel
- Includes Mounting Hardware
- Requires Drilling
Item #: 75113-01A
Condition:
New
$12 Flat Rate Fedex Ground Shipping On AMP Research Steps - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $1,599.99
Description: - Allows for removal of the stock rear bumper
- Made from strong and durable 18 gauge steel
- Black EDP coated for corrosion protection during transport and ready to prime and paint after a light...More Details »
Item #: BHP5000
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $159.00
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: $72.00
NEW!
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: $549.00
