- 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
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
- 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
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
2001-2007 LB7/LLY/LBZ Duramax Allison 4x4 Transfer Case BraceNew
Fabricated tubular steel support connects rear housing of Allison transmission to transfer case reinforcing the weaker tail housing section to eliminate flex caused by driveline vibrations which ca...
Description: Fabricated tubular steel support connects rear housing of Allison transmission to transfer case reinforcing the weaker tail housing section to eliminate flex caused by driveline vibrations which...More Details »
2001-2010 Duramax 60" Traction Bar Kit (RCLB/CCSB/ECSB)New
***For Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models***
-LIFETIME WARRANTY against bending or breaking (to original purchaser)
-60" Heavy Duty Bars
-Poly Bushings
...
Description: ***For Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models***
-LIFETIME WARRANTY against bending or breaking (to original purchaser)
-60" Heavy Duty Bars
-Poly Bushings...More Details »
Item #: WCF100850
Condition: New
WCFab Red with Standard Brushed Tag and Gloss Black with Standard Brushed Tag in stock and ships in 3-5 business days. 25-30 business day lead time on other colors.
Price: $939.00
2001-2010 Duramax 68" Traction Bar Kit (ECLB, CCLB)New
***For Extended Cab Long Bed and Crew Cab Long Bed Models***
-LIFETIME WARRANTY against bending or breaking (to original purchaser)
-68" Heavy Duty Bars
-Poly Bushings
-RockJock Johnny Joints
...
Description: ***For Extended Cab Long Bed and Crew Cab Long Bed Models***
-LIFETIME WARRANTY against bending or breaking (to original purchaser)
-68" Heavy Duty Bars
-Poly Bushings
-RockJock Johnny Joints...More Details »
Item #: WCF100852
Condition: New
WCFab Red with Standard Brushed Tag in stock and ships in 3-5 business days. 25-30 business day lead time on other colors.
Price: $939.00
2001-2010 Duramax Traction Bar Brackets & Hardware Install KitNew
- Includes Axle side bolt on and Frame side weld on mounts
- Grade 8 Hardware
- This part number is mounting hardware only. Bars not included.
- Powder Coating with zinc primer base coat on axl...
Description: - Includes Axle side bolt on and Frame side weld on mounts
- Grade 8 Hardware
- This part number is mounting hardware only. Bars not included.
- Powder Coating with zinc primer base coat on axle side brackets
Item #: WCF100840
Condition: New
Limited Supply: Only 4 Left!
In Stock. Ships in 3-5 business days.
Price: $252.20
2001-2010 GM 2500/3500 HD Lower Splash Shield KitNew
Replaces OEM plastic front shield for lower engine bay and cooling stack which is prone to cracking and breaking.
- Constructed from heavy gauge aluminum
- Uses OEM mounting points
- Provides ...
Description: Replaces OEM plastic front shield for lower engine bay and cooling stack which is prone to cracking and breaking.
- Constructed from heavy gauge aluminum
- Uses OEM mounting points
- Provides...More Details »
Item #: WCF100463
Condition: New
Fine Texture Black in stock and ships in 3-5 business days. 25-30 business day lead time on other colors.
Price: $272.00
2001-2010 LB7/LLY/LBZ/LMM Duramax HD Engine MountsNew
-Left & Right Mount
-High Grade Hardware for Mount to Engine
-Thread-locker compound
-Poly Bushings
-Powder Coating
Description: -Left & Right Mount
-High Grade Hardware for Mount to Engine
-Thread-locker compound
-Poly Bushings
-Powder Coating
Item #: WCF100158
Condition: New
25-30 Business Day Lead Time
Price: $429.00
2001-2016 Duramax Billet Exhaust ManifoldsNew
- Fully TIG Welded, CNC machined billet steel exhaust manifolds
- Finished in Black Ceramic Coat rated for 2000ºF
- 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 2000ºF
- 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.
Price: $1,289.13
2001-2016 Duramax Up Pipe Bolt KitNew
ARP Up Pipe Bolt kit for 2001-2016 Duramax. 6 Washers and Bolts for installing 1 up pipe. Includes ARP Lube.
Purchase two sets when installing a pair of up pipes.
Description: ARP Up Pipe Bolt kit for 2001-2016 Duramax. 6 Washers and Bolts for installing 1 up pipe. Includes ARP Lube.
Purchase two sets when installing a pair of up pipes.
Item #: WCF100240
Condition: New
In Stock. Ships in 3-5 business days.
Price: $33.95
2001-2016 Duramax 2" Stainless Driver Side Up Pipe for OEM or WCFab Manifold with GasketsNew
-Driver Side 2" Stainless Up Pipe
-Up Pipe Gaskets (2)
- Kit includes two CNC machined billet aluminum fittings with o-ring seals.
- 5/8" Hose Barb
- Black anodized finish
- Made in USA
- No tuning required!
Description: - Kit includes two CNC machined billet aluminum fittings with o-ring seals.
- 5/8" Hose Barb
- Black anodized finish
- Made in USA
- No tuning required!
Item #: WCF100189
Condition: New
Limited Supply: Only 8 Left!
In Stock. Ships in 3-5 business days.
Price: $44.62
2004.5-2010 LLY/LBZ/LMM Duramax Driver (Hot) Side 3" Intercooler Pipe KitNew
-3" Hot Side Intercooler Pipe
-Silicone Boots
-T-Bolt Clamps
-Powder Coating
-No tuning required
-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 Cast A...
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 Cast...More Details »
Item #: WCF100638
Condition: New
25-30 Business Day Lead Time
Price: $579.00
2006-2007 LBZ Duramax 750+HP Built TransmissionNew
Description: Must Be Installed by an Authorized Dealer
Item #: LBZ750HP
Condition: New
Please Call for Availability
2006-2010 LBZ/LMM Duramax Passenger Side Intercooler Outlet Elbow KitNew
- 3.5 in. Intercooler Outlet Elbow
- HD Silicone 3.5 in. x 3 in. Reducer Boot
- Stainless Steel T-Bolt Clamps
- O-Rings
- New Wire Clip Ring for Intercooler Flange Connection
- CNC Machined Bi...
Description: - 3.5 in. Intercooler Outlet Elbow
- HD Silicone 3.5 in. x 3 in. Reducer Boot
- Stainless Steel T-Bolt Clamps
- O-Rings
- New Wire Clip Ring for Intercooler Flange Connection
- CNC Machined...More Details »
Item #: WCF100466
Condition: New
25-30 Business Day Lead Time
Price: $219.00
2006-2010 LBZ/LMM Duramax Top Outlet Billet Thermostat Housing and Upper Coolant Pipe KitNew
- 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 »
2007.5-2010 LMM Duramax Allison 4x4 Transfer Case BraceNew
Fabricated tubular steel support connects rear housing of Allison transmission to transfer case reinforcing the weaker tail housing section to eliminate flex caused by driveline vibrations which ca...
Description: Fabricated tubular steel support connects rear housing of Allison transmission to transfer case reinforcing the weaker tail housing section to eliminate flex caused by driveline vibrations which...More Details »
Item #: WCF100135
Condition: New
25-30 Business Day Lead Time
Price: $154.00
Air Filter 4" Inlet (Dry)New
- Dry Air Filter 4" Inlet
- Airflow comparable to cotton filters
- Exceptional filtration keeps your engine protected from harmful debris
- Lasts up to 30,000 miles on the highway
- Extend the ...
Description: - Dry Air Filter 4" Inlet
- Airflow comparable to cotton filters
- Exceptional filtration keeps your engine protected from harmful debris
- Lasts up to 30,000 miles on the highway
- Extend the life of the filter using compressed air
Item #: WCF100717
Condition: New
In Stock. Ships in 3-5 business days.
Price: $65.96
Air Filter 5" Inlet (Dry)New
- Dry Air Filter 5" Inlet
- Airflow comparable to cotton filters
- Exceptional filtration keeps your engine protected from harmful debris
- Lasts up to 30,000 miles on the highway
- Extend the ...
Description: - Dry Air Filter 5" Inlet
- Airflow comparable to cotton filters
- Exceptional filtration keeps your engine protected from harmful debris
- Lasts up to 30,000 miles on the highway
- Extend the life of the filter using compressed air
LB7/LLY/LBZ/LMM Duramax Twin Turbo Oil Line Kit (S400)New
-Stainless Braided #8 Drain Line 30"
-Stainless Braided #4 Feed Line 30"
-1/4" x #4 Fitting for Turbo Feed
-3/8" NPT X #8 45* Fitting for Oil Pan
-M14 Fitting for Oil Feed from Engine Block
Description: -Stainless Braided #8 Drain Line 30"
-Stainless Braided #4 Feed Line 30"
-1/4" x #4 Fitting for Turbo Feed
-3/8" NPT X #8 45* Fitting for Oil Pan
-M14 Fitting for Oil Feed from Engine Block
Item #: WCF100378
Condition: New
In Stock. Ships in 3-5 business days.
Price: $179.00
LB7/LLY/LBZ/LMM Duramax Twin Turbo Oil Line Kit (S500)New
- #6 Oil Feed Line
- #10 Oil Drain Line
- Parker stainless braided drain and feed lines
- Fittings for turbo, oil pan and engine block
LB7/LLY/LBZ/LMM/LML Duramax S400 Single Turbo Oil Line KitNew
-Parker stainless braided #10 drain and #4 Feed Line
-Plug for OEM feed location in valley
-Fitting for turbo Feed
-Fitting for engine block oil galley
-Turbo drain flange and fitting
-Flange...
Description: -Parker stainless braided #10 drain and #4 Feed Line
-Plug for OEM feed location in valley
-Fitting for turbo Feed
-Fitting for engine block oil galley
-Turbo drain flange and fitting
-Flange for rear engine cover