1989-1998 Cummins 5.9L 12V ARP-2000 Head Stud KitNew672036031367
- 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
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 #: 247-4203
Condition: New
Price: $515.00
1991-2018 Cummins Fleece Turbo Oil Feed Line ReplacementNew635909311959
- -6AN Oil Feed Line
- Includes 2, -6AN to M12 aluminum fittings with sealing washers
- Extra Flexible smooth bore teflon hose
- Compatible with 5.9L & 6.7L Cummins engines using stock or drop i...
Description: - -6AN Oil Feed Line
- Includes 2, -6AN to M12 aluminum fittings with sealing washers
- Extra Flexible smooth bore teflon hose
- Compatible with 5.9L & 6.7L Cummins engines using stock or drop...More Details »
- Formed silicone hose for longevity and durability
- Anodized billet aluminum flange with integral O-ring for leak free installation
- New fasteners
- Direct replacement for Cummins part No. 39...
Description: - Formed silicone hose for longevity and durability
- Anodized billet aluminum flange with integral O-ring for leak free installation
- New fasteners
- Direct replacement for Cummins part No....More Details »
Item #: FPE-CTDT-HX35-KIT
Condition: New
Price: $94.99
1998.5-2007 5.9L Cummins Intake Spacer KitNew
-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: $97.00
1998.5-2023 Cummins 24V 5.9L/6.7L ARP Custom Age 625+ Head Stud KitNew672036035648
- 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
- For Competition Use
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
- For Competition Use
Item #: 247-4204
Condition: New
Price: $1,375.00
1998.5-2023 Cummins 5.9L/6.7L 24V ARP-2000 Head Stud KitNew672036026844
- 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
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 #: 247-4202
Condition: New
Price: $515.00
1998.5-2024 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
Item #: WCF100257
Condition: New
In Stock. Ships in 3-5 business days.
Price: $36.00
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: $59.00
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 »
- 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: $44.00
2001-2004 LB7 Duramax 4" Intake Kit with Air Box Stage 2New
- 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 Hor...
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
2001-2004 LB7 Duramax Fleece Cylinder Heads with Cupless Injector BoreNew
- 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
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
2001-2004 LB7 Duramax S300 Single Turbo Install KitNew
-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 Inte...
- 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 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
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...
This Product cannot ship to the state of California
Price: $249.00
2001-2005 LB7/LLY Banks Power IntercoolerNew
Banks Power Intercooler for 2001-2005 LB7 & LLY Duramax.
***INTERCOOLER ONLY*** Custom / Aftermarket Piping for use with this cooler is not included (sold separately). This cooler is not compat...
Description: Banks Power Intercooler for 2001-2005 LB7 & LLY Duramax.
***INTERCOOLER ONLY*** Custom / Aftermarket Piping for use with this cooler is not included (sold separately). This cooler is not...More Details »
Item #: 25976-1
Condition: New
50 State Compliant CARB E.O. D-161-82
Price: $965.00
2001-2007 and 2011-2019 Duramax Oil Cooler Upgrade KitNew801279132528
- Cools 31% or better
- More cooling plates for better heat rejection
- Increased cooling stack surface area
- Pre-installed 1/8-inch NPT sensor port for temp or pressure
- Includes all hardwar...
Description: - Cools 31% or better
- More cooling plates for better heat rejection
- Increased cooling stack surface area
- Pre-installed 1/8-inch NPT sensor port for temp or pressure
- Includes all hardware
- Includes Baldwin B40150 oil filter
- 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 and manifold to up pipe
-...
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 and manifold to up pipe
-...More Details »
Item #: WCF100363
Condition: New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $1,399.00
2001-2016 Duramax LB7/LLY/LBZ/LMM/LML ARP Custom Age 625+ Head Stud KitNew672036035853
- 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
- For Competition Use
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
- For Competition Use
Item #: 230-4202
Condition: New
Price: $1,935.00
2001-2016 Duramax LB7/LLY/LBZ/LMM/LML ARP-2000 Head Stud KitNew672036032678
- 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
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 #: 230-4201
Condition: New
Price: $695.00
2001-2016 Duramax Up Pipe / LB7 Down Pipe Bolt KitNew
ARP Bolt kit for 2001-2016 Duramax Up Pipes or LB7 Turbo Down pipe. 6 Washers and Bolts for installing 1 up pipe. Includes ARP Lube.
Purchase two sets when installing a pair of up pipes.
Description: ARP Bolt kit for 2001-2016 Duramax Up Pipes or LB7 Turbo Down pipe. 6 Washers and Bolts for installing 1 up pipe. Includes ARP Lube.
Purchase two sets when installing a pair of up pipes.
- TIG Welded Fabricated Aluminum Cover for Plastic Reservoir
- Utilizes OEM Mounting Points and Hardware
- Installs in minutes with basic hand tools
- Custom Powder Coat Finish
- Made in USA
-...
Description: - TIG Welded Fabricated Aluminum Cover for Plastic Reservoir
- Utilizes OEM Mounting Points and Hardware
- Installs in minutes with basic hand tools
- Custom Powder Coat Finish
- Made in USA
-...More Details »
Item #: WCF100205
Condition: New
WCFab Red, Illusion Purple, Candy Teal, Bengal Blue, Bengal 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: $145.00
2001-2023 Duramax Fleece Billet Coolant Block Off PlateNew670875715875
- Fixes coolant leaks common to OE covers over time
- Integral square cut o-ring
- CNC Machined Billet Aluminum Construction
- Made in USA
Description: - Fixes coolant leaks common to OE covers over time
- Integral square cut o-ring
- CNC Machined Billet Aluminum Construction
- Made in USA
Item #: FPE-DMAX-CBOP
Condition: New
Price: $55.00
2001-2025 GM Billet Aluminum Oil Fill Cap, Black AnodizedNew
-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 Ano...
Description: - 60% greater flow than stock
- 3.5" High Flow Intake Horn & matching 3.5" Intercooler Pipe
- High Quality Aluminum Construction
- Intake Gasket
- Hardware
- Powder Coating
- Silicone Boots...More Details »
Item #: WCF100528
Condition: New
WCFab Red with Standard Brushed Tag, Bengal Red 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: $572.00
2003-2007 5.9L Cummins 4" Intake KitNew
2003-2007 5.9L Cummins 4" Intake Kit for OEM style Turbocharger.
-4" Intake
-Dry Air Filter
-Hardware for MAF Sensor Mounting
-Outerwear's Pre-Filter Cover
-Silicone Boot and Clamps
Description: 2003-2007 5.9L Cummins 4" Intake Kit for OEM style Turbocharger.
-4" Intake
-Dry Air Filter
-Hardware for MAF Sensor Mounting
-Outerwear's Pre-Filter Cover
-Silicone Boot and Clamps
Item #: WCF100346
Condition: New
WCFab Red 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: $415.00
2003-2007 5.9L Cummins Fleece Freedom Series Cylinder Head (Performance Street)New670875716384
2003-2007 5.9L Cummins Freedom Series Performance Street Cylinder Head
- Fire ring the cylinder head (All in the head)
- 11 screw in freeze plugs (eliminates coolant leaks)
- Hardened, oversiz...
Description: 2003-2007 5.9L Cummins Freedom Series Performance Street Cylinder Head
- Fire ring the cylinder head (All in the head)
- 11 screw in freeze plugs (eliminates coolant leaks)
- Hardened,...More Details »
Item #: FPE-61-10006
Condition: New
Ships in 3-5 business days.
$225 Flat Rate LTL Freight Shipping On Cummins Cylinder Heads - Lower 48 States Only - Appears as Handling Charge during checkout. This Product cannot ship to the state of California.
Free Ground Shipping
Price: $3,750.00
2003-2007 5.9L Cummins Fleece Freedom Series Cylinder Head (Street)New670875716360
2003-2007 5.9L Cummins Freedom Series Street Cylinder Head
- Hardened, oversized press-in valve seats
- New valves, valve springs, and retainers
- New valve guide liners
- 11 screw in freeze ...
Description: 2003-2007 5.9L Cummins Freedom Series Street Cylinder Head
- Hardened, oversized press-in valve seats
- New valves, valve springs, and retainers
- New valve guide liners
- 11 screw in freeze...More Details »
Item #: FPE-61-10005
Condition: New
Ships in 3-5 business days.
$225 Flat Rate LTL Freight Shipping On Cummins Cylinder Heads - Lower 48 States Only - Appears as Handling Charge during checkout. This Product cannot ship to the state of California.
- If you have an aftermarket fuel filtration system such as an Air Dog or a FASS, your factory fuel filter is no longer necessary.
- Mounts to allow the factory fuel return lines to be used withou...
Description: - If you have an aftermarket fuel filtration system such as an Air Dog or a FASS, your factory fuel filter is no longer necessary.
- Mounts to allow the factory fuel return lines to be used without any relocating or bending
- Formed silicone hose for longevity and durability
- Anodized aluminum fittings with integral O-rings for leak free installation
- New fasteners
- Direct replacement for Chrysler part No.: 3970875
Description: - Formed silicone hose for longevity and durability
- Anodized aluminum fittings with integral O-rings for leak free installation
- New fasteners
- Direct replacement for Chrysler part No.: 3970875
Item #: FPE-CTDT-CW-KIT
Condition: New
Price: $94.99
2003-2007 5.9L Cummins S400/S300 Side by Side Compound (Twin) Turbo KitNew
- 5" Intake
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- 4" Two Piece Down Pipe
- S400 Turbo Pedestal
- 3.5" Hot Side Pipe
- 3.5" Cold Side Charge Pipe
- 3" Intercooler Pipe
- Stainles...
Description: The Cummins Stealth 64 is an upgraded, drop-in, replacement turbo for the 2003-2007, 3rd generation 5.9L Cummins.
- 64mm billet wheel
- Modified compressor cover
- 10-blade turbine
Item #: DM1552050202000 / DM1682050202000
Condition: New
Raw in stock and 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: $1,600.00
2003-2007 5.9L Cummins Stealth 67mm Drop In TurboNew
The 3rd Gen stealth 67 is an upgraded, drop-in, replacement turbo for the 2003-2007, 3rd Generation 5.9L Cummins turbo.
- It is designed to bolt in and require nothing other than removing the f...
Item #: DM1552050302000 / DM1682050302000Calibrated Power / Duramax Tuner
Description: The 3rd Gen stealth 67 is an upgraded, drop-in, replacement turbo for the 2003-2007, 3rd Generation 5.9L Cummins turbo.
- It is designed to bolt in and require nothing other than removing the...More Details »
Item #: DM1552050302000 / DM1682050302000
Condition: New
Raw in stock and 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: $1,785.50
2003-2007 5.9L Cummins Stealth STR Drop In TurboNew
- Proven to support up to 620rwhp
- Lightning fast spool-up and immediate throttle response
- Lower average EGTs and better overall EGT control
- 40% Thicker Turbine blades for added EGT resista...
Item #: DM1552050102000 / DM1682050102000Calibrated Power / Duramax Tuner
Description: - Proven to support up to 620rwhp
- Lightning fast spool-up and immediate throttle response
- Lower average EGTs and better overall EGT control
- 40% Thicker Turbine blades for added EGT...More Details »
Item #: DM1552050102000 / DM1682050102000
Condition: New
10-15 business day lead time for powder and ceramic coat options.
This Product cannot ship to the state of California
Price: $1,150.00
2003-2007 6.0 Powerstroke 4" Intake KitNew
-4" Intake
-Dry Air Filter
-Outerwear's Pre-Filter Cover
-Boots and Clamps
-Powder coating
2003-2007 Power Stroke 6.0L ARP Custom Age 625+ Head Stud KitNew672036040949
- 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
- For Competition Use
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
- For Competition Use
Item #: 250-4205
Condition: New
Price: $1,410.00
2003-2007 Power Stroke 6.0L ARP-2000 Head Stud KitNew672036032456
- 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
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
- 4 in. Air Intake
- 14g Aluminum Construction
- 4 in. Dry Air Filter
- Outerwear's Pre-Filter Cover
- 4.8 in. Inlet Aluminum Intake Horn
- Largest Intake Horn on the market
- CNC Machined Ca...
Description: - 4 in. Air Intake
- 14g Aluminum Construction
- 4 in. Dry Air Filter
- Outerwear's Pre-Filter Cover
- 4.8 in. Inlet Aluminum Intake Horn
- Largest Intake Horn on the market
- CNC Machined...More Details »
Item #: WCF100637
Condition: New
Limited Supply
10-15 Business Day Lead Time
This Product cannot ship to the state of California