Wehrli Custom Fabrication - WCFab » 2021, Chevrolet / GMC, 6.6L Duramax

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  • (X) Year: 2021
  • (X) Make: Chevrolet / GMC
  • (X) Model: 6.6L Duramax

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Items 1-60 of 107
NEW!
Description: - Fits 2020-2022 GM 2500/3500 HD including AT4 - 2" Adjustable Leveling Kit Forged Torsion Keys with shock spacers, differential spacers and longer hardware - Allows for 20x9 +18 or 0 offset -...More Details »
Item #: 66-3020
Condition: New
Price: $229.95

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Description: - Yields 12-inches of front lift - Deaver leaf pack with Cognito Block and U-Bolt Kit yields 9-inches of rear - SM Series Upper Control Arms - SM Series Compression Struts - Patented Pitman and...More Details »
Item #: 210-P1178
Condition: New
Ships in 3-5 Business Days
$120 Flat Rate Ground Shipping On Cognito Lift Kits - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $10,199.95

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Description: - Yields 12-inches of front lift - Deaver leaf pack with Cognito Block and U-Bolt Kit yields 9-inches of rear - SM Series Upper Control Arms - SM Series Compression Struts - Patented Pitman and...More Details »
Item #: 210-P1035
Condition: New
Ships in 3-5 Business Days
$120 Flat Rate Ground Shipping On Cognito Lift Kits - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $8,299.95

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Description: -Cognito Ball Joint SM Series Upper Control Arm Kit -Cognito Pitman and Idler Arm Support Kit -Cognito Torsion Bar Adjuster Key Kit -Fox 2.5 Performance Elite Series Reservoir Shocks -3-inches...More Details »
Item #: 210-P0930
Condition: New
Price: $4,029.95


Description: - Yields 3-inches of front lift - Cognito Ball Joint SM Series Upper Control Arm Kit - Cognito Pitman and Idler Arm Support Kit - Cognito Torsion Bar Adjuster Key Kit - Elka 2.5 Reservoir...More Details »
Item #: 210-P1129
Condition: New
Ships in 3-5 Business Days
$120 Flat Rate Ground Shipping On Cognito Lift Kits - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $4,229.95


Description: -Cognito Ball Joint SM Series Upper Control Arm Kit -Cognito Pitman and Idler Arm Support Kit -Cognito Torsion Bar Adjuster Key Kit -King 2.5 Reservoir Shocks with compression adjusters...More Details »
Item #: 510-P0931
Condition: New
Please Call for Availability
This product is currently experiencing longer than normal lead times. Shipping may be delayed.

Call For Price: 630-277-8239
Description: -Yields 3-inches of front lift -Improves vehicle appearance and reduces nose-down rake -Maintains adequate droop travel to retain ride quality -Fits up to a 35x12.5-inch tire on a 9-inch wide...More Details »
Item #: 110-P0779
Condition: New
This product is currently experiencing longer than normal lead times. Shipping may be delayed.
Price: $1,579.95


Description: -Yields 3-inches of front lift -Cognito Block and U-Bolt Kit yields 1-inch of rear lift -Improves vehicle appearance and reduces nose-down rake -Maintains adequate droop travel to retain ride...More Details »
Item #: 110-P0883
Condition: New
This product is currently experiencing longer than normal lead times. Shipping may be delayed.
Price: $1,779.65


Description: -Yields 3-inches of front lift -Cognito Ball Joint SM Series Upper Control Arm Kit -Cognito Pitman and Idler Arm Support Kit -Cognito Torsion Bar Adjuster Key Kit -Fox 2.0 Performance Series...More Details »
Item #: 110-P0929
Condition: New
This product is currently experiencing longer than normal lead times. Shipping may be delayed.
Price: $2,279.95


Description: - Yields 4-inches of front lift and 2 inches of rear lift - Cognito Block and U-Bolt Kit - SM Series Ball Joint Upper Control Arms - Patented Pitman and Idler Arm Support Kit - Elka 2.5...More Details »
Item #: 210-P1151
Condition: New
Ships in 3-5 Business Days
$120 Flat Rate Ground Shipping On Cognito Lift Kits - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $6,879.95


Description: -Yields 4-inches of front lift -Cognito Block and U-Bolt Kit yields 2-inches of rear lift -SM Series Ball Joint Upper Control Arms -Patented Pitman and Idler Arm Support Kit -Fox 2.0...More Details »
Item #: 110-P0896
Condition: New
This product is currently experiencing longer than normal lead times. Shipping may be delayed.
$120 Flat Rate Ground Shipping On Cognito Lift Kits - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $4,969.95


Description: - 4” Front Lift Components - 2” Rear Lift Block and U-Bolts - FOX 2.0 Performance Series IFP Monotube Shocks - Maintains Adequate Droop Travel for Superior Ride Quality - Allows for up to a...More Details »
Item #: 110-P0890
Condition: New
This product is currently experiencing longer than normal lead times. Shipping may be delayed.
$120 Flat Rate Ground Shipping On Cognito Lift Kits - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $3,599.95


Description: - Yields 7-inches of front lift - Deaver leaf pack with Cognito Block and U-Bolt kit yields 5-inches of rear lift - SM Series Ball Joint Upper Control Arms - SM Series Compression Struts -...More Details »
Item #: 210-P1184
Condition: New
Ships in 3-5 Business Days
$120 Flat Rate Ground Shipping On Cognito Lift Kits - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $9,299.95

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Description: - Yields 7-inches of front lift - Cognito Block and U-Bolt Kit Yields 5-inches of Rear Lift - SM Series Ball Joint Upper Control Arms - Stainless Steel extended brake lines - SM Series...More Details »
Item #: 110-P1033
Condition: New
Ships in 3-5 Business Days
$120 Flat Rate Ground Shipping On Cognito Lift Kits - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $6,259.95

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Description: - Yields 7-inches of front lift - Cognito Block and U-Bolt Kit Yields 5-inches of Rear Lift - SM Series Ball Joint Upper Control Arms - SM Series Compression Struts - Stainless Steel extended...More Details »
Item #: 210-P1183
Condition: New
Ships in 3-5 Business Days
$120 Flat Rate Ground Shipping On Cognito Lift Kits - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $8,179.95

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Description: - Yields 7-inches of front lift - Cognito Block and U-Bolt Kit Yields 5-inches of Rear Lift - Stainless Steel extended brake lines - Fox 2.0 Performance Series Monotube Shocks - SM Series...More Details »
Item #: 110-P1032
Condition: New
Ships in 3-5 Business Days
$120 Flat Rate Ground Shipping On Cognito Lift Kits - Continental US Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $4,899.95

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Description: -Pre-installed maitenance free ball joints -Corrected ball joint angle -Added caster -Powder coated semi-gloss black -Polyurethane bushings -Made in The USA
Item #: 110-90910 (Cognito Black) / 110-91146 (Custom Color)
Condition: New
10-15 Business Days Lead Time for Custom Powder Coat Colors
Price: $629.95


NEW!
Description: - 2020-2023 GM 2500/3500 HD including AT4 - 3" Front/ 2" Rear SST Lift Kit - SST lift specific Forged Torsion Keys with front/rear shock extensions, differential spacers, new longer bump stops...More Details »
Item #: 69-3030
Condition: New
Price: $449.95

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NEW!
Description: - 2020-2023 GM 2500/3500 HD - 3.5" Front/ 2" Rear SST Lift Kit - SST lift specific Forged Torsion Keys with new F/R Bilstein 5100 series shocks - Xtreme-Duty fabricated steel upper control arms,...More Details »
Item #: 69-3035
Condition: New
Price: $1,399.95

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NEW!
Description: - 2020-2023 GM 2500/3500 HD including AT4 - 3.5" Front/ 2" Rear SST Lift Kit - SST lift specific Forged Torsion Keys with new F/R Falcon 1.1 Monotube series shocks - Xtreme-Duty fabricated steel...More Details »
Item #: 69-30350
Condition: New
Price: $1,499.95

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NEW!
Description: FASS Fuel Systems Extended Length Extreme Water Separator Filter
Item #: XWS3002XL
Condition: New
Price: $32.20
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NEW!
Description: FASS Fuel Systems Extended Length Particulate Filter (PF3001XL)
Item #: PF3001XL
Condition: New
Price: $23.75
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Description: FASS FUEL SYSTEMS XWS-3002 EXTREME WATER SEPARATOR (XWS-3002) NEW MORE EFFICIENT EXTREME WATER SEPARATOR IS RATED @ 2 MICRONS ABSOLUTE. THE REASON OUR WATER SEPARATOR NO LONGER HAS A DRAIN IS...More Details »
Item #: XWS-3002
Condition: New
In Stock. Ships in 3-5 business days.
Price: $29.45
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NEW!
Description: FASS Fuel Systems Fleet Filter Pack XL
Item #: FLP3000XL
Condition: New
Price: $168.15

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NEW!
Description: FASS Fuel Systems Filter Pack XL
Item #: FP3000XL
Condition: New
Price: $56.05

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Description: FASS FUEL SYSTEMS PF-3001 PARTICULATE FILTER (PF-3001) NEW PARTICULATE FILTER IS RATED @ 144 MICRONS. THE 144 MICRON PARTICULATE FILTER ON THE SUCTION SIDE WILL DRASTICALLY REDUCE CAVITATION,...More Details »
Item #: PF-3001
Condition: New
In Stock. Ships in 3-5 business days.
Price: $20.90
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Description: FASS FUEL SYSTEMS DIESEL FUEL TITANIUM SERIES ELECTRIC HEATER KIT (HK-1001)
Item #: HK-1001
Condition: New
Free Ground Shipping
Price: $160.55


Description: FASS TITANIUM/TITANIUM SIGNATURE SERIES DUAL ELECTRIC HEATER KIT SPLITTER
Item #: HKS-1001
Condition: New
Price: $37.05
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Description: - Plug and Play Installation - Fits Double and Crew Cab Chevy Silverado and GMC Sierra 2500/3500 Diesel - Includes Mounting Hardware - Requires Drilling
Item #: 76254-01A
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: $1,749.00

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Description: - CNC Machined Billet Cap is a direct OEM Replacement not a cover - Includes new diaphragm seal - Made in USA - Black Anodized Finish - Installs in seconds
Item #: WCF100216
Condition: New
In Stock. Ships in 3-5 business days.
Price: $42.00
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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
Item #: WCF100215
Condition: New
In Stock. Ships in 3-5 business days.
Price: $42.00
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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: $39.00
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Description: -Coolant Sensor
Item #: WCF206-19
Condition: New
In Stock. Ships in 3-5 business days.
Price: $49.00
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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: - 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
Item #: FPE-ALO
Condition: New
Price: $21.95
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Description: • Greatly improves handling • Improves fuel mileage • Increases steering component and tire life • Reduces lane wandering and driver fatigue • Utility patent • Uses F.K. Rod Ends...More Details »
Item #: 110-90772
Condition: New
Ships in 3-5 Business Days.
Price: $259.95

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Description: - 8 New Modified Injectors - Injector Coppers and O-rings
Item #: E02 10710
Condition: New
This Product cannot ship to the state of California
Price: $4,144.00


Description: - 8 New Modified Injectors - Injector Coppers and O-rings
Item #: E02 10706
Condition: New
This Product cannot ship to the state of California
Price: $3,648.00


Description: - 8 New Modified Injectors - Injector Coppers and O-rings
Item #: E02 10708
Condition: New
This Product cannot ship to the state of California
Price: $3,848.00


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
In Stock. Ships in 3-5 business days.
Price: $237.00

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Description: -8 New Injectors -Modified 100% flow over OEM -Injector Coppers and O-rings
Item #: L5P-100-SAC
Condition: New
This Product cannot ship to the state of California
Price: $4,305.60


Description: -8 New Injectors -Modified 150% flow over OEM -Injector Coppers and O-rings
Item #: L5P-150-SAC
Condition: New
This Product cannot ship to the state of California
Price: $4,903.60


Description: -8 New Injectors -Modified 200% flow over OEM -Injector Coppers and O-rings
Item #: L5P-200-SAC
Condition: New
This Product cannot ship to the state of California
Price: $5,501.60


Description: -8 New Injectors -Modified 50% flow over OEM -Injector Coppers and O-rings
Item #: L5P-050-SAC
Condition: New
This Product cannot ship to the state of California
Price: $3,707.60


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 #: 230-4301
Condition: New
Price: $745.00


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
Item #: 230-4302
Condition: New
This product is currently experiencing longer than normal lead times. Please call for current availability.
Price: $1,995.00


Description: -Passenger Side Up Pipe -Driver Side Up Pipe -Up Pipe Gaskets (4)
Item #: WCF100624
Condition: New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $655.00


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: $1,495.00

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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: $2,395.00


Description: -Mount Bracket -Zinc primer & Semi gloss black powder coat finish
Item #: WCF100276
Condition: New
In Stock. Ships in 3-5 business days.
Price: $59.00

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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: $57.00

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In Stock. Ships in 3-5 business days.
Price: $145.00

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Description: - 3.5" 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: $319.00


NEW!
Description: - Replacement injector wire harness pigtail - Addresses common failure point associated with DTC (P0201-P0208) - Available individually or in sets of 4 or 8 - Buy more and save!
Item #: FPE-HAR-L5P-INJ-PT, FPE-HAR-L5P-INJ-PT-4P, FPE-HAR-L5P-INJ-PT-8P
Condition: New
Price: $59.99


Description: - Airflow to support 700HP* - *Up to 650 RWHP with Emissions Compliant Tuning and Basic Supporting Mods - 41 psi Boost @ Sea Level - Custom Billet 64mm 11-Blade Compressor Wheel - Lightweight...More Details »
Item #: DT1160000020000 / DT1160000020001
Condition: New
Raw in stock and ships in 3-5 business days. 10-15 business day lead time on powder coat.
This Product cannot ship to the state of California
Price: $2,875.00


Description: - Airflow to support 800HP* - *Up to 650 RWHP with Emissions Compliant Tuning and Basic Supporting Mods - HFV (High Flow Vane) Technology - Custom Vane/Nozzle Ring Assembly - Taller and Wider...More Details »
Item #: DT1160000010000 / DT1160000010001
Condition: New
Raw in stock and ships in 3-5 business days. 10-15 business day lead time on powder coat.
This Product cannot ship to the state of California
Price: $3,225.00


NEW!
Description: - Airflow to support 650HP* - *Up to 600 RWHP with Emissions Compliant Tuning and Basic Supporting Mods - 41 psi boost @ Sea Level - Custom Billet 64mm 11-Blade Compressor Wheel - Lightweight...More Details »
Item #: DT118000002000 / DT118000002001
Condition: New
Raw in stock and ships in 3-5 business days. 10-15 business day lead time on powder coat.
This Product cannot ship to the state of California
Price: $1,825.00


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: $28.00
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NEW!
Description: - EMISSIONS INTACT Custom Performance Tuning - Add up to +125 RWHP & +240 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 #: DT1180030006000, DT1180030005000, DT1180030004000, DT1180030003000, DT1180030001000
Condition: New
This Product cannot ship to the state of California
Price: $750.00


Items 1-60 of 107

View Universal items for: 2021, Chevrolet / GMC, 6.6L Duramax