- Qty. 1 of 1.75" T-Bolt Clamp. Fits Silicone boot with 1 3/4" ID
- Qty. 1 of 2" T-Bolt Clamp. Fits Silicone boot with 2" ID
- Qty. 1 of 1.75" ID x 2" ID Straight Reducer Boot, 4.25" Long with Logo
Description: - Qty. 1 of 1.75" T-Bolt Clamp. Fits Silicone boot with 1 3/4" ID
- Qty. 1 of 2" T-Bolt Clamp. Fits Silicone boot with 2" ID
- Qty. 1 of 1.75" ID x 2" ID Straight Reducer Boot, 4.25" Long with Logo
Item #: WCF207-119
Condition: New
In Stock. Ships in 3-5 business days.
Price: $35.00
1.75" ID x 3.5" Long Silicone Boot and Clamp KitNew
- Qty. 1 of 1.75" Straight Boot 3 1/2" Long with Logo
- Qty. 2 of 1.75" T-Bolt Clamp
- 3.5" High Flow Intake Horn & matching 3.5" Intercooler Pipe
- 53% Gain in Air Flow Over Stock
- High Quality Aluminum Construction
- Intake Gasket
- Hardware
- Powder Coating
- Silicone Boo...
- 3.5" Intercooler Pipe
- Silicone Boots
- T-Bolt Clamps
- Powder Coating
- NO Tuning required, bolt on!
- Will fit on stock truck no other modifications or upgrades necessary!
Description: - 3.5" Intercooler Pipe
- Silicone Boots
- T-Bolt Clamps
- Powder Coating
- NO Tuning required, bolt on!
- Will fit on stock truck no other modifications or upgrades necessary!
Item #: WCF100564
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: $289.00
1998.5-2002 5.9L Cummins 4" Cold Air Intake Kit with Air BoxNew
- 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...
-CNC Machined from Billet Aluminum
-Reusable O-Ring Seals
-Black Anodized Finish with Engraved WCFab Logo
-NO Tuning required, bolt on!
-Will fit on stock truck no other modifications or upgrad...
Description: -CNC Machined from Billet Aluminum
-Reusable O-Ring Seals
-Black Anodized Finish with Engraved WCFab Logo
-NO Tuning required, bolt on!
-Will fit on stock truck no other modifications or upgrades necessary!
Item #: WCF100338
Condition: New
Black Anodized 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: $100.00
1998.5-2018 5.9L & 6.7L Cummins WCFab X Fleece Thermostat HousingNew
- Direct Replacement for OEM Thermostat Housing
- Powder coated in your choice of color
- Features -8 AN O-ring auxiliary port with plug for accessories or customized coolant routings
- Made in USA
Description: - Direct Replacement for OEM Thermostat Housing
- Powder coated in your choice of color
- Features -8 AN O-ring auxiliary port with plug for accessories or customized coolant routings
- Made in USA
Item #: WCF100157
Condition: New
WCFab Red, WCFab Grey, Bronze Chrome, Illusion Purple, Candy Blue, Candy Teal, Gloss Black, and Gloss White in stock and ships in 3-5 business days. 10-15
business day lead time on other colors.
Price: $185.00
1998.5-2024 Cummins Billet Aluminum Oil Fill Cap, Black AnodizedNew
-CNC Machined Billet Cap is a direct OEM Replacement, not a cover
-Matches WCFab Billet Aluminum Brake Reservoir Caps
-Includes o-ring seal
-Black Anodized Finish
-Engraved Wehrli Custom logo o...
Description: -CNC Machined Billet Cap is a direct OEM Replacement, not a cover
-Matches WCFab Billet Aluminum Brake Reservoir Caps
-Includes o-ring seal
-Black Anodized Finish
-Engraved Wehrli Custom logo...More Details »
Item #: WCF100395
Condition: New
In Stock. Ships in 3-5 business days.
Price: $60.00
1998.5-2024 Cummins Billet Aluminum Oil Fill Cap, Clear AnodizedNew
-CNC Machined Billet Cap is a direct OEM Replacement, not a cover
-Matches WCFab Billet Aluminum Brake Reservoir Caps
-Includes o-ring seal
-Clear Anodized Finish
-Engraved Wehrli Custom logo o...
Description: -CNC Machined Billet Cap is a direct OEM Replacement, not a cover
-Matches WCFab Billet Aluminum Brake Reservoir Caps
-Includes o-ring seal
-Clear Anodized Finish
-Engraved Wehrli Custom logo...More Details »
Item #: WCF100394
Condition: New
In Stock. Ships in 3-5 business days.
Price: $60.00
1998.5-2025 5.9L and 6.7L Cummins Billet Aluminum Brake Master Cylinder Cap, Black AnodizedNew
- CNC Machined Billet Cap is a direct OEM Replacement, not a cover
- Made in USA
- Black Anodized Finish
- Installs in seconds
- Reuses diaphragm from existing cap
Description: - CNC Machined Billet Cap is a direct OEM Replacement, not a cover
- Made in USA
- Black Anodized Finish
- Installs in seconds
- Reuses diaphragm from existing cap
- CNC Machined Billet Cap is a direct OEM Replacement, not a cover
- Made in USA
- Clear Anodized Finish
- Installs in seconds
- Reuses diaphragm from existing cap
Description: - CNC Machined Billet Cap is a direct OEM Replacement, not a cover
- Made in USA
- Clear Anodized Finish
- Installs in seconds
- Reuses diaphragm from existing cap
- 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...
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
- 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...
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: $45.00
2" ID x 3.5" Long Silicone Boot and Clamp KitNew
- Qty. 1 of 2" ID x 3.5" Long Straight Boot with Logo
- Qty. 2 of 2" T-Bolt Clamp
2.75" x 3.5" ID Straight Reducer 4.75" Long Silicone Boot and Clamp KitNew
- Qty. 1 of 2.75" T-Bolt Clamp. Fits Silicone boot with 2 3/4" ID
- Qty. 1 of 3.5" T-Bolt Clamp. Fits Silicone boot with 3.5" ID
- Qty. 1 of 2.75" x 3.5" Silicone Reducer Boot, 4.75" Long
Description: - Qty. 1 of 2.75" T-Bolt Clamp. Fits Silicone boot with 2 3/4" ID
- Qty. 1 of 3.5" T-Bolt Clamp. Fits Silicone boot with 3.5" ID
- Qty. 1 of 2.75" x 3.5" Silicone Reducer Boot, 4.75" Long
Item #: WCF207-117
Condition: New
In Stock. Ships in 3-5 business days.
Price: $59.00
2.8L Duramax T3 Stainless Exhaust ManifoldNew
- Cast Stainless Steel T3 Flange Exhaust Manifold for 2.8L Duramax
- Industry standard T3 turbo mounting flange allows the use of many different turbo options for custom projects or engine swaps
...
Description: - Cast Stainless Steel T3 Flange Exhaust Manifold for 2.8L Duramax
- Industry standard T3 turbo mounting flange allows the use of many different turbo options for custom projects or engine swaps...More Details »
Item #: WCF100449
Condition: New
This Product Cannot Ship to the State of California
Price: $1,099.00
2001-2004 LB7 Duramax 2" Stainless Single Turbo 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
- Up Pipe Gaskets (4)
- Made in USA
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: $639.00
2001-2004 LB7 Duramax 2" Stainless Twin Turbo 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 Passenger Side Up Pipe for Compound / Twin Turbo Applications
- ...
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: $639.00
2001-2004 LB7 Duramax 4" Intake HornNew
- 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 Co...
- Fully TIG Welded, CNC machined billet steel exhaust manifolds
- Fully TIG Welded 11 GA Stainless Steel Construction Heavy Duty Up Pipes
- Manifolds finished in Black Ceramic Coat rated for 1800...
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, 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: $315.00
2001-2004 LB7 Duramax S300 Single Turbo Install KitNew
-NEW! Now includes 4" Intake with Fabricated Air Box & Lid Constructed of 10G Aluminum Sheet
-14G Mandrel Bent Aluminum Piping
-Premium Dry Media Air Filter
-Outerwear's Pre-Filter Cover
-T4 Pe...
Description: -NEW! Now includes 4" Intake with Fabricated Air Box & Lid Constructed of 10G Aluminum Sheet
-14G Mandrel Bent Aluminum Piping
-Premium Dry Media Air Filter
-Outerwear's Pre-Filter Cover
-T4...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: $3,295.00
2001-2004 LB7 Duramax S400 Single Turbo Install KitNew
-NEW! Now includes 5" Intake with Fabricated Air Box & Lid Constructed of 10G Aluminum Sheet
-14G Mandrel Bent Aluminum Piping
-Premium Dry Media Air Filter
-Outerwear's Pre-Filter Cover
-T4 Pe...
Description: -NEW! Now includes 5" Intake with Fabricated Air Box & Lid Constructed of 10G Aluminum Sheet
-14G Mandrel Bent Aluminum Piping
-Premium Dry Media Air Filter
-Outerwear's Pre-Filter Cover
-T4...More Details »
Item #: WCF100489
Condition: New
Gloss Black In Stock Ships in 3-5 Business Days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
- 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
...
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 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: $1,855.00
2001-2004 LB7 Duramax Stage 3 High Flow Intake Bundle KitNew
-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 Filt...
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: $2,089.00
2001-2004 LB7 Duramax 2" Stainless Single Turbo Style Pass Side Up Pipe for OEM or WCFab Manifold with GasketsNew
- 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
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: $345.00
2001-2004 LB7 Duramax 2" Stainless Twin Turbo Style Pass Side Up Pipe for OEM or WCFab Manifold with GasketsNew
- 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 ...
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
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $345.00
2001-2004 LB7 Duramax 4" Cold Air Intake Kit with Air BoxNew
- 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...
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: $545.00
2001-2004 LB7 Duramax Fuel Pressure Relief Valve Block Off KitNew
-Stainless Block off Plug
-5/16" Fuel Line
-5/16" Brass Tee Fitting
-Hose Clamps