- Home »
- Catalog
Wehrli Custom Fabrication - WCFab » 2003, 6.6L Duramax
Products for:
- Year: 2003
- Model: 6.6L Duramax
View Universal items for: 2003 6.6L Duramax
Browse Products
Description: - Yields 3 inches of front lift
- Cognito Ball Joint SM Series Upper Control Arm Kit
- Torsion Bar Adjuster Key Kit
- Fox 2.0 Performance Series Monotube Front Shocks
- Fox 2.0 Performance...More Details »
Item #: 110-P0753
Condition:
New
Price: $1,609.70
Description: - Yields 4-inches of front lift
- Cognito Block and U-Bolt Kit yields 2-inches of rear lift
- Fox 2.0 Performance Series IFP Monotube Front and Rear Shocks
- Maintains Adequate Droop Travel for...More Details »
Item #: 110-P0785
Condition:
New
10-15 Business Days Lead Time for Powder Coat
$120 Flat Rate LTL Freight Shipping On Cognito Lift Kits - Lower 48 States Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $3,293.73
Description: - Yields 6-inches of front lift
- Cognito Block and U-Bolt Kit yields 4-inches of rear lift
- SM Series Ball Joint Upper Control Arms
- Fox 2.0 Performance Series IFP Shocks
- Maintains...More Details »
Item #: 110-P0970
Condition:
New
10-15 Business Days Lead Time for Powder Coat
$120 Flat Rate LTL Freight Shipping On Cognito Lift Kits - Lower 48 States Only - Appears as Handling Charge during checkout
Free Ground Shipping
Price: $4,083.63
Description: -Driver Upper Control Arm
-Passenger Upper Control Arm
-Ball Joint x2
-Bushing x8
-Crush Sleeve x4
-Hardware Pack
Item #: 110-90290
Condition:
New
10-15 Business Days Lead Time for Powder Coat
Price: $619.95
Description: - Premium Forged Torsion Leveling Key Kit
- Includes shock extensions
- Max Lift 2.5" in.
- Max Tire Diameter 33 in.
- Fits 2wd/4wd 2000-2010 Silverado 1500/2500 HD 8-lug. 2wd/4wd 2000-2012...More Details »
Item #: 66-3050
Condition:
New
Price: $229.95
Description: WCFab recommends Chemical Guys Hybrid V07 Optical Select High-Gloss Spray Sealant and Quick Detailer to clean, protect, and maintain our gloss single and two coat custom powder finishes
Item #: WAC_808_16
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $19.99
Description: WCFab recommends Chemical Guys Meticulous Matte Detailer to clean, protect, and maintain our Frost powder coat finishes
Item #: SPI_995_16
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $12.99
Description: - 2oz. treats 25 gallons of diesel fuel
- Highest Lubricity additive on the market
- Beat 17 competitors in HFRR test
- Highest Level “A” rating in NACE Corrosion Test
- Protects against...More Details »
Item #: E09 00004, E09 00006
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $6.00
Description: - 1oz. treats 8 gallons of diesel fuel
- Prevents fuel line freeze ups down to -40 degrees Fahrenheit
- Lowers pour point to -65 degrees Fahrenheit
- Lowers cold filter plugging point by 20...More Details »
Item #: E09 00014, E09 00016
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $5.00
NEW!
Description: - Recommended for trucks with stock or basic bolt on parts
- Comprehensive, state-of-the-art, multi-gauge/tuner touch-screen display
- 3rd Generation design is faster and more capable than ever...More Details »
Item #: 85400-200
Condition:
New
50 State Compliant CARB E.O. D-802-13
Price: $689.95
Sale: $620.95
Save: 10%
Save: $69.00
Description: All Clean+ is a versatile all-purpose cleaner that cuts through all levels of dirt, grease, and grime with the power of natural citrus inside, outside, or even underneath your vehicle!
Item #: CLD_101_16
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $11.99
Description: Observe and understand your vehicle parameters using Edge state-of-the-art technology. The Edge Insight CTS3 delivers unmatched monitoring capability for any OBD II vehicle (1996 or newer). This...More Details »
Item #: 84130-3
Condition:
New
Price: $474.95
Sale: $427.95
Save: 10%
Save: $47.00
Description: FASS Fuel Systems Extended Length Extreme Water Separator Filter
Item #: XWS3002XL
Condition:
New
Price: $32.30
Description: FASS Fuel Systems Extended Length Particulate Filter (PF3001XL)
Item #: PF3001XL
Condition:
New
Price: $23.75
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
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: - 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
- 4" 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
15% Off SOTF ECM Tune now through December 6th!
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
Free Ground Shipping
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
