- Home »
- Catalog
Wehrli Custom Fabrication - WCFab » 6.6L Duramax
Products for:
- Model: 6.6L Duramax
View Universal items for: 6.6L Duramax
Browse Products
Description: FASS Fuel Systems Fleet Filter Pack XL
Item #: FLP3000XL
Condition:
New
Price: $168.15
Description: FASS Fuel Systems Filter Pack XL
Item #: FP3000XL
Condition:
New
Price: $56.05
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
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
Description: - Goerend Allison Aluminum Pan for 5 & 6 Speed Transmissions
- Billet aluminum filter lock
- Genuine Allison Transmission Filter
- Magnetic drain plug with copper sealing ring
- Pan Bolts &...More Details »
Item #: A-PAN-A1000-KIT
Condition:
New
Price: $319.00
Description: - Fits Extended and Crew Cab Chevy Silverado and GMC Sierra 2500/3500 Diesel
- Includes Mounting Hardware
- Requires Drilling
Item #: 75126-01A
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
- Installs with basic hand tools
- All necessary hardware included
Item #: BHP5002
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $349.00
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 #: BHP5001
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $239.00
Description: - Allows for removal of the stock rear bumper
- Installs with basic hand tools
- All necessary hardware included.
Item #: BHP5003
Condition:
New
This product is currently back ordered. Please contact us for current availability and lead time estimates.
Price: $329.00
Description: - Plug and Play Installation
- Fits Double and Crew Cab Chevy Silverado and GMC Sierra 2500/3500 Gas Trucks
- Includes Mounting Hardware
- Requires Drilling
Item #: 76154-01A
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: - Allows for removal of the stock rear bumper
- Installs with basic hand tools
- All necessary hardware included
Item #: BHP5004
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $369.00
Description: - Headlights: 2x (One Pair) 2015-2019 GMC Sierra 2500/3500 HD / 2014-2018 GMC Sierra 1500 XB LED Headlights
- Functions: DRL (White), Turn, Parking, Low, High
- Wiring: Plug and Play Harness,...More Details »
Item #: LF544
Condition:
New
Price: $1,400.00
Description: - CNC Machined Billet Aluminum Thermostatic Bypass Plug
- Black Anodized Finish
- High temperature silicone O-ring seals
- Reduces fluid flow restriction to trans cooler
- Simple Installation...More Details »
Item #: WCF100469
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $59.00
Description: - Plug and Play Installation
- Fits Double and Crew Cab Chevy Silverado and GMC Sierra 2500/3500 Diesel
- Includes Mounting Hardware
- Requires Drilling
Item #: 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: $1,799.99
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: $41.00
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
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
Description: - EFI Live TCM Tuning for Allison 1000 5 Speed Transmissions
- Better Acceleration
- Quicker Shifts
- Prevents short shifting in performance use
- Improved Torque Converter lock up strategy
-...More Details »
Item #: DT1110010008000
Condition:
New
This Product cannot ship to the state of California
Free Ground Shipping
Price: $300.00
Description: - EMISSIONS INTACT 50 State Legal Custom Performance Tuning
- California Legal!
- Add up to +100 RWHP & +180 lb/ft TQ to your Duramax
- Includes CARB EO Sticker
- Single Tune Options Available:...More Details »
Item #: DT8110010001000
Condition:
New
50 State Compliant CARB EO D-845 #11-10, D-845 #11-11
Free Ground Shipping
Price: $300.00
Description: Must Be Installed by an Authorized Dealer
Item #: LB7750+HP
Condition:
New
Please Call for Availability
Description: Must Be Installed by an Authorized Dealer
Item #: LB7750HP
Condition:
New
Please Call for Availability
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)
- Made in USA
Item #: WCF100590
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $625.00
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Heavy Duty 2" Passenger Side Up Pipe Passenger Side Up Pipe for Compound / Twin Turbo Applications
-...More Details »
Item #: WCF100589
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $625.00
Description: -3 1/2" Intake Horn
-Stainless Hardware
-Gasket
-Powder coating
-No Tuning Required!
Item #: WCF100342
Condition:
New
Limited Supply
WCFab Red, WCFab Grey 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: $145.00
Sale: $130.50
Save: 10%
Save: $14.50
NEW!
Description: - Flows 40% Better than Stock
- True 4" Inlet Turbo Intake with smooth flowing transition to turbo compressor cover for optimized airflow and drivability
- Precision CNC Machined Cast Aluminum...More Details »
Item #: WCF100535
Condition:
New
10-15 Business Day Lead Time
This Product cannot ship to the state of California
Price: $179.00
Description: - 4" Intake Pipe
- 14g Aluminum Construction
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware
- 3 1/2" Intake...More Details »
Item #: WCF100300
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: $619.00
Description: - MAP Sensor Bung / Weld Fitting for Custom Fabricated Intercooler Piping
- CNC Machined Billet Aluminum
- Made in USA
Item #: WCF205-35
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $29.00
Description: -3" Driver Side Intercooler Pipe
-14g Mandrel Bent Aluminum Construction
-Silicone Boots
-T-Bolt Clamps
-Powder Coating
-No tuning required
Item #: WCF100349
Condition:
New
WCFab Red, WCFab Grey, Bengal Blue, 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: $305.00
Description: - EMISSIONS INTACT Custom Performance Tuning
- Add up to +100 RWHP & +180 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 #: DT1110010001009
Condition:
New
This Product cannot ship to the state of California
Free Ground Shipping
Price: $300.00
Description: - 100% Drop in Replacement (Federal Emissions vehicles ONLY, does not fit California delivered vehicles)
- Includes a Fleece Performance LB7 High Flow Intake Horn and installation kit
- No Core Charge!
- Supports up to 625 RWHP
Item #: FPE-LB7-63
Condition:
New
Ships in 3-5 business days. 10-15 business day lead time for powder and ceramic coat options.
This Product cannot ship to the state of California
Price: $1,999.00
Description: - Cupless injector bore - no injector cups to leak again ever!
- New aluminum casting
- New valves, valve guides, new springs, and new valve seals
- CNC cut, multi-angle valve job
Item #: FPE-61-10001-D-CL, FPE-61-10001-P-CL
Condition:
New
This Product cannot ship to the state of California
Price: $1,099.00
Description: - Stock replacement up pipe for 2001-2004 GM Duramax 6.6L LB7 Engine
Item #: 97302261
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $269.00
Description: - Minimizes air restriction and flow better than stock
- Fully enclosed airbox that protects the filter from dirt and keeps out engine heat
- Available in either 8-layer Cotton Cleanable or Dry Extendable media
Item #: 75-5101, 75-5101D
Condition:
New
This Product Cannot Ship to the State of California
Price: $349.00
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 100% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-100SAC
Condition:
New
This Product Cannot Ship to the State of California
Price: $4,357.60
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 150% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-150SAC
Condition:
New
This Product Cannot Ship to the State of California
Price: $4,794.40
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 200% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-200SAC
Condition:
New
This Product Cannot Ship to the State of California
Price: $5,044.00
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 250% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-250SAC
Condition:
New
This Product Cannot Ship to the State of California
Price: $5,938.40
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 30% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-30SAC
Condition:
New
This Product Cannot Ship to the State of California
Price: $3,546.40
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 300% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-300SAC
Condition:
New
Please Call for Availability
This Product Cannot Ship to the State of California
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 350% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-350SAC
Condition:
New
Please Call for Availability
This Product Cannot Ship to the State of California
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 400% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-400SAC
Condition:
New
Please Call for Availability
This Product Cannot Ship to the State of California
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 45% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-45SAC
Condition:
New
This Product Cannot Ship to the State of California
Price: $3,546.40
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 450% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-450SAC
Condition:
New
Please Call for Availability
This Product Cannot Ship to the State of California
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 500% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-500SAC
Condition:
New
Please Call for Availability
This Product Cannot Ship to the State of California
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 65% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-65SAC
Condition:
New
This Product Cannot Ship to the State of California
Price: $3,660.80
Description: -8 LB7 New Bosch SAC Style Injectors
-Modified 80% flow over OEM
-Copper Washers
-O-rings
Item #: LB7-80SAC
Condition:
New
This Product Cannot Ship to the State of California
Price: $4,024.80
Description: -8 LB7 New SAC00 Bosch Injectors
-Copper Washers
-O-rings
-Increased fuel injector lifespan
-50 State Legal - CARB compliant (EO number D-756-2)
-Stock fuel delivery, no calibration required...More Details »
Item #: LB7-00SAC
Condition:
New
CARB compliant (EO number D-756-2)
Price: $2,712.00
Description: -8 LB7 New TorqueMaster VCO Bosch Injectors
-Copper Washers
-O-rings
Item #: LB7-10VCO
Condition:
New
This Product cannot ship to the state of California
Price: $2,265.60
Description: -4" Intake
-Dry Air Filter
-Outerwear's Pre-Filter Cover
-T4 Pedestal with Hardware
-Stainless Steel Oil Feed and Drain Lines with Fittings
-3" Fabricated High Flow Y-Bridge
-3" Hot Side...More Details »
Item #: WCF100478
Condition:
New
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: $2,599.00
Description: -5" Intake
-Dry Air Filter
-Outerwear's Pre-Filter Cover
-T4 Pedestal & Spacer with Hardware
-Stainless Steel Oil Feed and Drain Lines with Fittings
-3" Fabricated High Flow Y-Bridge
-3" Hot...More Details »
Item #: WCF100489
Condition:
New
Gloss Black for non-SXE Turbo in stock and ships in 3-5 business days. 10-15 business day lead time on other colors and SXE turbo compatible kits.
This Product cannot ship to the state of California
Price: $2,789.00
Description: - 5" Intake
- Dry Air Filter
- Outerwears Pre-Filter cover
- 3.5" Cold Side Charge Pipe
- 3.5" Turbo Inlet Horn
- 3" One Piece Y-bridge with HD Bead roll end
- 3" Cold Side Intercooler Pipe...More Details »
Item #: WCF100570
Condition:
New
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: $3,349.00
Description: - 3" Fabricated Y-Bridge (for OEM style intake horn)
- 3" Passenger (Cold) Side Intercooler Pipe
- 3" Driver (Hot) Side Intercooler Pipe
- 14 ga Aluminum Construction
- FPRV Block Off Kit
-...More Details »
Item #: WCF100411
Condition:
New
WCFab Red, WCFab Grey, 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: $1,145.00
Description: - 3" Fabricated Y-Bridge (for OEM style intake horn)
- 3" Passenger (Cold) Side Intercooler Pipe
- 3" Driver (Hot) Side Intercooler Pipe
- 4" Intake Pipe
- Air Box with Lid
- Dry Air Filter
-...More Details »
Item #: WCF100435
Condition:
New
WCFab Red 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: $1,799.00
Description: -3" Fabricated Billet Y-Bridge
-3" Passenger (Cold) Side Intercooler Pipe
-3" Driver (Hot) Side Intercooler Pipe
- 4" Intake Pipe
- 14g Aluminum Construction
- Air Box with Lid
- Dry Air...More Details »
Item #: WCF100712
Condition:
New
WCFab Red 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: $2,025.00
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Passenger Side Up-Pipe (Clearanced for conventional down pipes)
- Includes Up Pipe Gaskets (2)
- Made in USA
Item #: WCF100654
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $335.00
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Passenger Side Up Pipe Passenger Side Up Pipe for Compound / Twin Turbo Applications
- Full flow design eliminates clearance...More Details »
Item #: WCF100648
Condition:
New
Built to order. 10-15 business day lead time.
This Product cannot ship to the state of California
Price: $335.00
Description: - 4" Intake Pipe
- 14g Aluminum Construction
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware
- Silicone Boot...More Details »
Item #: WCF100190
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: $525.00
Description: -Stainless Block off Plug
-5/16" Fuel Line
-5/16" Brass Tee Fitting
-Hose Clamps
Item #: WCF100023
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $72.00
Item #: WCF100797
Condition:
New
In Stock. Ships in 3-5 business days. While Supplies Last!
Price: $250.00
