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Brand: HSP Diesel Part Number: 102-HSP-xxx
Increase airflow on your 2001-2004 GM 6.6L Duramax LB7 with the HSP LB7 Cold Air Intake. With gains of up to 20HP and 58 lb-ft on average, the HSP Intake System delivers power, efficiency and air flow. The 4" mandrel-bent intake tube provides a free-flowing path for air. The specially designed heat-...
$403.75

Brand: Wehrli Custom Fabrication Part Number: WCF100190
LB7 Duramax 4" Intake Kit for factory turbo.Includes: 4" Intake Dry Air Filter Outerwear's Pre-Filter Cover Silicone Boot T-Bolt Clamps Powder Coating WCFAB part number: WCF100334 Wehrli Custom Powder Coating is housed under the same roof as Wehrli Custom Fabrication. This has Enabled ...
$484.03

Brand: Wehrli Custom Fabrication Part Number: WCF100300
LB7 Stage 2 Intake Kit with turbo inlet horn for factory turbo.Includes: 4" Intake 3-1/2" Intake Horn Outerwear's Pre-Filter Cover Air Filter Cover Silicone Boot T-Bolt Clamps Powder Coating WCFAB part number:WCF100636 Click here for Wehrli powder coat samples Wehrli Custom Powder Coa...
$571.33

Brand: Wehrli Custom Fabrication Part Number: WCF100191
WCFab 4” Intake kits are designed to work with the factory turbocharger or upgraded “drop-in” style turbochargers. Using a high flow AFE dry type air filter for more air flow and better filtration over the factory unit this intake kit will provide more horsepower and torque. Available in many...
$484.03

Brand: Wehrli Custom Fabrication Part Number: WCF100301
WCFab 4” Stage 2 Intake kits are designed to work with the factory turbocharger or upgraded “drop-in” style turbochargers. Using a high flow AFE dry type air filter for more air flow and better filtration over the factory unit this intake kit will provide more horsepower and torque. Available ...
$736.23

Brand: HSP Diesel Part Number: 202-HSP-xxx
Increase airflow while adding custom styling under the hood of your 2004.5-2005 GM 6.6L Duramax LLY with the HSP LLY Cold Air Intake. This 4" mandrel bent intake draws fresh are from the headlight bezel and fender port for a consistent and re-flowing path that out-performs other intakes on the marke...
$403.75

Brand: Wehrli Custom Fabrication Part Number: WCF100192
LBZ Duramax 4" Intake Kit for factory turbo.Includes: 4" Intake Dry Air Filter Outerwear's Pre-Filter Cover Silicone Boot T-Bolt Clamps Powder Coating WCFAB part number: WCF100336 Click here for Wehrli powder coat samples Wehrli Custom Powder Coating is housed under the same roof as W...
$484.03

Brand: Wehrli Custom Fabrication Part Number: WCF100302
LBZ Stage 2 Intake Kit with turbo inlet horn for factory turbo.Includes: 4" Intake 3-1/2" Intake Horn Dry Air Filter Outerwear's Pre-Filter Cover O-Ring Silicone Boot T-Bolt Clamps Powder Coating WCFAB part number: WCF100302Superseded WCFAB part number: WCF100638 Click here for ...
$736.23

Brand: Wehrli Custom Fabrication Part Number: WCF100193
LMM Duramax 4" Intake Kit for factory turbo.Includes: 4" Intake Dry Air Filter Outerwear's Pre-Filter Cover Silicone Boot T-Bolt Clamps Powder Coating WCFAB part number: WCF100635 Wehrli Custom Powder Coating is housed under the same roof as Wehrli Custom Fabrication. This has Enabled th...
$484.03

Brand: Wehrli Custom Fabrication Part Number: WCF100194
LML Duramax 4" Intake Kit for factory turbo.Includes: 4" Intake Dry Air Filter Outerwear's Pre-Filter Cover Boots & Clamps Powder Coating WCFAB part number: WCF100337 replaces part number WCF100338. Click here for Wehrli powder coat samples Wehrli Custom Powder Coating is housed un...
$484.03

Brand: Pure Diesel Power Part Number: PDPINTMANI-12V
Custom Individual Runner Intake Manifold for the 89-98 Cummins 5.9L Features: Equal Air Distribution 3.5 Inch V-Band Inlet. V-band clamp is included.  Outflows Competitors Competitively-Priced Stainless Steel Construction We're not joking around anymore, not even "just kidding" ;) A...
$950.00

Brand: Wehrli Custom Fabrication Part Number: WCF100395
Clean up the engine bay of your 1998.5-2023 Cummins with this Billet Aluminum Black Anodized Oil Fill Cap from WCFab. This is a complete cap, not a cover. Direct OEM replacement for the factory plastic part. Includes o-ring seal. CNC machined in the USA.***Not compatible with WCFab X D&J Billet ...
$57.23

Brand: Wehrli Custom Fabrication Part Number: WCF100394
Clean up the engine bay of your 1998.5-2023 Cummins with this Billet Aluminum Clear Anodized Oil Fill Cap from WCFab. This is a complete cap, not a cover. Direct OEM replacement for the factory plastic part. Includes o-ring seal. CNC machined in the USA.***Not compatible with WCFab X D&J Billet ...
$57.23

Brand: Wehrli Custom Fabrication Part Number: WCF100258
Clean up the engine bay of your 1998.5-2023 5.9L or 6.7L Cummins truck with this black anodized billet aluminum brake reservoir cap from WCFab. This is a complete cap, not a cover. CNC machined in the USA from billet aluminum.- CNC Machined Billet Cap is a direct OEM Replacement, not a cover- Made i...
$33.95

Brand: Wehrli Custom Fabrication Part Number: WCF100654
Replace the lightweight, leak-prone passenger side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellow that will not crack and leak like OEM. Increase Turbo spool up and decrease EGTs. This up pipe is built to clear a conventional downpipe behind the engine in single ...
$309.43

Brand: Wehrli Custom Fabrication Part Number: WCF100590
Replace the lightweight, leak-prone, 1 5/8" OEM up pipes with these heavy-duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGTs. This kit is for use with single turbo applications and factory exhaust manifolds.IN...
$577.15

Brand: Wehrli Custom Fabrication Part Number: WCF100265
2001-2010 LB7, LLY, LBZ, LMM Crew Cab Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel system to underneath the truck on the inside of the driver side frame rail.**NOT COMPATIBLE on regular cab or extended cab models**-Mount Bracket-Grade 8 Hardware-Zinc primer & Sem...
$92.15

Brand: Wehrli Custom Fabrication Part Number: WCF100652
Replace the lightweight, leak-prone Driver side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellow that will not crack and leak like OEM. Increase Turbo spool up and decrease EGTs. Will work with ANY Turbo setup, single or compound, compatible with factory exhaust ma...
$309.43

Brand: Wehrli Custom Fabrication Part Number: WCF100363
WCFab’s 2001-2016 Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed to enhance exhaust flow characteristics, improving turbo spool up, lowering EGTs and increasing power and economy. These manifolds...
$1,289.13

Brand: Wehrli Custom Fabrication Part Number: WCF100240
The WCFab 2001-2016 Duramax Up Pipe Bolt Kit is comprised of 6 specially selected high strength 12 point ARP fasteners and matched washers with a pack of assembly lube and are designed as an upgrade to the OEM fasteners employed on the 2001-2016 and newer 6.6L Duramax engines to connect the up pipes...
$33.95

Brand: Wehrli Custom Fabrication Part Number: WCF100113-X
Fits:  2001-2019 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P 2003-2009 Dodge 6.7L Cummins (With AA14-11.5 Axle) 2010-2018 Ram 6.7L (With AA14-11.5 Axle) This Wehrli Custom Fab WCF100113 11.5" AAM Rear Axle Differential Cover is the perfect component for your truck. This cover is bu...
$343.38

Brand: Wehrli Custom Fabrication Part Number: WCF100443
Clean up the engine bay of your 2001-2024 Duramax with this Billet Aluminum Black Anodized Oil Fill Cap from WCFab. This is a complete cap, not a cover. Direct OEM replacement for the factory plastic part. Includes o-ring seal and machined cam lock engagement. CNC machined in the USA.Direct replacem...
$49.47

Brand: Wehrli Custom Fabrication Part Number: WCF100442
Clean up the engine bay of your 2001-2024 Duramax with this Billet Aluminum Clear Anodized Oil Fill Cap from WCFab. This is a complete cap, not a cover. Direct OEM replacement for the factory plastic part. Includes o-ring seal and machined cam lock engagement. CNC machined in the USA.Direct replacem...
$49.47

Brand: Firepunk Diesel Part Number: 86
03-05 Firepunk Custom Tuning via HP Tuners Included in this tune pack: 3 Custom Firepunk Tunes: TOW, STREET, and RACE (Race is Max effort for your specific setup) One year free tuning support ***WE WILL NEED TO RECEIVE YOUR STOCK TUNE FILE VIA EMAIL WITH YOUR VCM SUITE SERIAL NU...
$500.00

Brand: Firepunk Diesel Part Number: 85
03-05 Firepunk Custom Tuning via HP Tuners MPVI3 Standard Tuning Interface Included in this tune pack: HPtuners MPVI3 Tuning Interface (can tune 200 trucks with additional credit purchase) HPtuners VCM Scan & Tuning Software (ability to flash ECM and datalog live data t...
$1,019.97

Brand: Firepunk Diesel Part Number: 66
Firepunk Custom UDC Pro/MM3 Tuning for 03-07 5.9L Cummins for the Smarty Touch. This is for 3 tunes. ***WE WILL NEED TO RECEIVE YOUR STOCK TUNE FILE VIA EMAIL*** Please contact us after you have placed your order so we can have you send your stock file in ***This price does not include the MP...
$500.00

Brand: Wehrli Custom Fabrication Part Number: WCF100333
2003-2007 Ford 6.0 Powerstroke 4" Intake Kit for factory turbo. Includes: 4" Intake Dry Air Filter Outerwear's Pre-Filter Cover Boots & Clamps Powder Coating WCFAB part number: WCF100333 Click here for Wehrli powder coat samples Wehrli Custom Powder Co...
$411.28

Brand: Wehrli Custom Fabrication Part Number: WCF100678
Aluminum Upper Coolant Pipe for 2003-2009 5.9L & 6.7L Cummins. Replaces the OEM rubber upper coolant hose and comes powder coated in your choice of colors! For use with OEM RAM radiator. Aftermarket radiators may cause fitment issues.***NOT COMPATIBLE WITH TRUCKS EQUIPPED WITH TWIN CP3 PUMPS***-...
$144.53

Brand: Wehrli Custom Fabrication Part Number: WCF100189
Replace the fragile plastic OEM fittings on the top of your 2004.5-2010 LLY/LBZ/LMM Duramax engine which are prone to damage with these high quality, black anodized, CNC machined billet aluminum fittings from WCFab. No tuning required.- Kit includes two CNC machined billet aluminum fittings with o-r...
$44.62

Brand: Wehrli Custom Fabrication Part Number: WCF100209
Clean up the engine bay of your 2004.5-2022 Dodge Ram 2500/3500 truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab that fits over the unsightly OEM plastic reservoir. Pair with a WCFab billet aluminum brake reservoir cap for the completed look.***NOTE: Some 200...
$144.53

Brand: Wehrli Custom Fabrication Part Number: WCF100323
Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high-performance applications...
$1,502.53

Brand: Wehrli Custom Fabrication Part Number: WCF100437
Stage 2 upgrade for the 2006-2007 LBZ Duramax combines our popular Stage 1 High Flow Bundle and Stage 2 intake Kit into a single package, providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory design...
$2,226.15

Brand: HSP Diesel Part Number: 302-HSP-xxx
The HSP LBZ Cold Air Intake adds a custom look under the hood of your 2006-2007 GM 6.6L Duramax LLY/LBZ while increasing performance! Featuring 4" mandrel bent pipe, HSP's intakes increase flow by removing restriction while also pulling in cold, fresh air from the headlight bezel and fender port. Th...
$403.75

Brand: Wehrli Custom Fabrication Part Number: WCF100622
Fits: 2006-2010 GM 6.6L Duramax LBZ/LMMWhen replacing the upper coolant  hose in your vehicle, consider replacing it with the Wehrli Custom Fab Upper Coolant Pipe. The WCFab coolant pipes are built with durable aluminum  and beaded-rolled ends. Simiar to many other WCFab parts,  this ...
$130.95

Brand: Wehrli Custom Fabrication Part Number: WCF100324
Stage 1 upgrade for the 2007.5-2010 LMM Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high-performance applicatio...
$1,502.53

Brand: Wehrli Custom Fabrication Part Number: WCF100438
Stage 2 upgrade for the 2007.5-2010 LMM Duramax combines our popular Stage 1 High Flow Bundle and Stage 2 intake Kit into a single package providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory desig...
$2,226.15

Brand: HSP Diesel Part Number: 402-HSP-xxx
The HSP LMM Cold Air Intake for your 2007.5-2010 GM 6.6L Duramax LMM adds a custom look under the hood while increasing performance! Featuring 4" mandrel bent pipe, HSP's intakes increase flow by removing restriction while also pulling in cold, fresh air from the headlight bezel and fender port. The...
$403.75

Brand: Wehrli Custom Fabrication Part Number: WCF100303
2007.5-2010 LMM Duramax 4" high flow Intake Kit and 3 1/2" Intake Horn for factory turbo. Must be Used in conjunction with WCFab 3" Y-bridge Kit. Includes: 4" Intake 3-1/2" Intake Horn Dry Air Filter Outerwear's Pre-Filter Cover O-Ring Silicone Boot T-Bolt Clamps Powder Coating WCF...
$736.23

Brand: Wehrli Custom Fabrication Part Number: WCF205-136
Fits: 2010-2012 Ram 6.7L CumminsCummins Thin Flange #10 JIC / -10 AN Male Fitting for Coolant Port Behind Waterpump. Press Fit Connection with High Temp O-Ring Seal and Mounting Bolt Tab.- #10 JIC / -10AN Male Fitting for Coolant Port Behind Water pump- Press Fit Connection with High Temp O-Ring Sea...
$42.68

Brand: Wehrli Custom Fabrication Part Number: WCF100517
Aluminum Upper Coolant Pipe for 2010-2018 6.7L Cummins replaces the OEM rubber upper coolant hose and comes powder coated in your choice of colors! For use with OEM RAM radiator. Aftermarket radiators may cause fitment issues.***NOT COMPATIBLE WITH 2013-2015 TRUCKS EQUIPPED WITH DUAL RADIATORS OR TR...
$144.53

Brand: Wehrli Custom Fabrication Part Number: WCF100269
2011-2016 LML Crew Cab Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel system to underneath the truck just before the fuel tank.**NOT COMPATIBLE on a regular cab or extended cab models**-Mount Bracket-Zinc primer & Semi gloss black powder coat finishWCFAB: WCF1...
$101.85

Brand: Wehrli Custom Fabrication Part Number: WCF100704
Replace the restrictive crushed factory down pipe on your 2011-2016 LML Duramax with this full 3" Stainless Steel down pipe. For use with factory turbo or factory style drop in turbo on trucks using a v-band connection style exhaust, NOT the 3 bolt flange style exhaust.Replaces the following GM Part...
$251.23

Brand: Wehrli Custom Fabrication Part Number: WCF100121
Replace the restrictive crushed factory down pipe with this full 3" down pipe. For use with factory turbo or factory style drop in turbo.Replaces the following GM Part Numbers: 12643610, 12638304, 12643214Note: 2015.5 and newer LML have a 3 bolt flange exhaust system, this down pipe will only work i...
$212.43

Brand: Wehrli Custom Fabrication Part Number: WCF100096
This quick and easy to install, billet aluminum plate allows you to clean up your engine bay in minutes by removing the big plastic resonator connected to the intake. 100% warranty and emissions friendly. CNC machined in the USA from 6061 aluminum. Black anodized finish with engraved Wehrli Custom F...
$42.68

Brand: Wehrli Custom Fabrication Part Number: WCF205-140
Fits: 2013-2018 Ram 6.7L Cummins This Wehrli Custom Fab #12 JIC Coolant Fitting gives you a chance to fabricate a custom cooling system in your 2013-2018  Ram 6.7L Cummins. This #12 JIC Male Fitting is built with CNC Machined Billet Aluminum and has a press fit high-temp O-ring seal and a mo...
$42.68

Brand: Wehrli Custom Fabrication Part Number: WCF100433
Fits: 2017-2019 GM 6.6L Duramax L5P Decorate under your hood with this Wehrli Custom Fab Coolant Tank (OEM Location). Each tank featured a unique welded fabricated design to give you a special, stylish and custom look, under the hood of your truck. This Coolant Tank upgrade replaces the outdated ...
$454.93

Brand: Wehrli Custom Fabrication Part Number: WCF100469
As a direct replacement for the failure prone OEM thermostat, the Transmission Cooler Thermostat Bypass Plug can drop fluid temperature from 15-50 degrees F by reducing fluid flow restriction to the trans cooler. In the stock application, we've seen the valve fail forcing trans fluid around the cool...
$54.32

Brand: FASS by Diesel Performance Products Part Number: TS C13 220G
WARNING! This system is designed for the 2017-2019 L5P Duramax WITH AFTERMARKET TUNING!! If the truck is not equipped with an aftermarket tune and the ability to delete specific codes, the vehicle will have a MIL after the FASS installation. Consult with your calibration supplier prior to the FASS i...
$849.00

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