Wehrli 17-19 Chevrolet 6.6L L5P Duramax 4in Intake Kit - WCFab Grey
$655.00
$635.35
WCFWCF100344-GRY
Air Intake Systems
Chevrolet
Cold Air Intakes
GMC | Chevy
WCFab 2017-2019 GM L5P 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax 4in Intake Kit - WCFab Red
$655.00
$635.35
WCFWCF100344-RED
Air Intake Systems
Chevrolet
Cold Air Intakes
GMC | Chevy
WCFab 2017-2019 GM L5P 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax 4in Intake Pipe (Use w/OEM Air Box) - Gloss Black
$225.00
$218.25
WCFWCF100709-GB
Air Intake Components
Air Intake Systems
Chevrolet
GMC | Chevy
4" Intake Resonator Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck equipped with an OEM...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Bengal Blue
$332.00
$322.04
WCFWCF100708-BB
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
WCFab 3" High Flow Driver (Hot) Side Intercooler pipe for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Candy Teal
$357.00
$346.29
WCFWCF100708-CT
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
WCFab 3" High Flow Driver (Hot) Side Intercooler pipe for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss Black
$332.00
$322.04
WCFWCF100708-GB
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
WCFab 3" High Flow Driver (Hot) Side Intercooler pipe for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss White
$332.00
$322.04
WCFWCF100708-GW
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
WCFab 3" High Flow Driver (Hot) Side Intercooler pipe for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Illusion Purple
$357.00
$346.29
WCFWCF100708-IP
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
WCFab 3" High Flow Driver (Hot) Side Intercooler pipe for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - WCFab Grey
$357.00
$346.29
WCFWCF100708-GRY
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
WCFab 3" High Flow Driver (Hot) Side Intercooler pipe for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - WCFab Red
$357.00
$346.29
WCFWCF100708-RED
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
WCFab 3" High Flow Driver (Hot) Side Intercooler pipe for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit Stage 2 - Candy Red
$1,554.00
$1,507.38
WCFWCF100441-CR
Air Intake Systems
Chevrolet
Cold Air Intakes
GMC | Chevy
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit Stage 2 - Gloss Black
$1,429.00
$1,386.13
WCFWCF100441-GB
Air Intake Systems
Chevrolet
Cold Air Intakes
GMC | Chevy
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit Stage 2 - Gloss White
$1,429.00
$1,386.13
WCFWCF100441-GW
Air Intake Systems
Chevrolet
Cold Air Intakes
GMC | Chevy
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Bengal Red
$494.00
$479.18
WCFWCF100433-BR
Chevrolet
Coolant Reservoirs
Cooling
GMC | Chevy
The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Flat Black
$494.00
$479.18
WCFWCF100433-FB
Chevrolet
Coolant Reservoirs
Cooling
GMC | Chevy
The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Gloss Black
$494.00
$479.18
WCFWCF100433-GB
Chevrolet
Coolant Reservoirs
Cooling
GMC | Chevy
The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Gloss White
$494.00
$479.18
WCFWCF100433-GW
Chevrolet
Coolant Reservoirs
Cooling
GMC | Chevy
The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Bengal Blue
$310.00
$300.70
WCFWCF100530-BB
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
The WCFab 3.5" High Flow Passenger (Cold) Side Intercooler Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gloss Black
$310.00
$300.70
WCFWCF100530-GB
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
The WCFab 3.5" High Flow Passenger (Cold) Side Intercooler Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gloss White
$310.00
$300.70
WCFWCF100530-GW
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
The WCFab 3.5" High Flow Passenger (Cold) Side Intercooler Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - WCFab Grey
$335.00
$324.95
WCFWCF100530-GRY
Chevrolet
Forced Induction
GMC | Chevy
Intercooler Pipe Kits
The WCFab 3.5" High Flow Passenger (Cold) Side Intercooler Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Stage 2 High Flow Intake Bundle Kit - Candy Teal
$1,554.00
$1,507.38
WCFWCF100441-CT
Air Intake Systems
Chevrolet
Cold Air Intakes
GMC | Chevy
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Bengal Red
$156.00
$151.32
WCFWCF100742-BR
Chevrolet
Cooling
GMC | Chevy
Radiator Hoses
Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Candy Purple
$181.00
WCFWCF100742-CP
Chevrolet
Cooling
GMC | Chevy
Radiator Hoses
Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Candy Teal
$181.00
$175.57
WCFWCF100742-CT
Chevrolet
Cooling
GMC | Chevy
Radiator Hoses
Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Gloss Black
$156.00
$151.32
WCFWCF100742-GB
Chevrolet
Cooling
GMC | Chevy
Radiator Hoses
Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Gloss White
$156.00
$151.32
WCFWCF100742-GW
Chevrolet
Cooling
GMC | Chevy
Radiator Hoses
Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Grey
$181.00
$175.57
WCFWCF100742-GRY
Chevrolet
Cooling
GMC | Chevy
Radiator Hoses
Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red
$181.00
$175.57
WCFWCF100742-RED
Chevrolet
Cooling
GMC | Chevy
Radiator Hoses
Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the...
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Gloss Black
$1,745.00
$1,692.65
WCFWCF100403-GB
Air Intake Systems
Chevrolet
Cold Air Intakes
GMC | Chevy
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Gloss White
$1,745.00
$1,692.65
WCFWCF100403-GW
Air Intake Systems
Chevrolet
Cold Air Intakes
GMC | Chevy
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Gloss White
$615.00
$596.55
WCFWCF100718-GW
Air Intake Systems
Chevrolet
Cold Air Intakes
GMC | Chevy
Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up....
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Red
$1,870.00
$1,813.90
WCFWCF100403-RED
Air Intake Systems
Chevrolet
Cold Air Intakes
GMC | Chevy
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - WCFab Red
$665.00
$645.05
WCFWCF100718-RED
Air Intake Systems
Chevrolet
Cold Air Intakes
GMC | Chevy
Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up....
Wehrli 17-19 Duramax L5P / 20-24 L5P Duramax Long Bed Fuel Filter Housing Kit
$245.00
$237.65
WCFWCF100361
Fuel Delivery
Fuel Filters
GMC | Chevy
Increase fuel filter capacity and amount of time between filter changes on your 2017-2024 L5P Duramax by upgrading from a stock cartridge style filter...
Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug
$59.00
$57.23
WCFWCF100469
Best Sellers
Cooling
GMC | Chevy
Thermostat Housings
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...
Wehrli 17-23 GM 6.6L L5P Duramax VGT Exhaust Housing Heat Blanket
$153.00
$148.41
WCFWCF100822
Fabrication
GMC | Chevy
Heat Shields
For use on tuned 2017-2023 L5P Duramax competition trucks equipped with VGT Style Turbochargers. This Part Fits: Year Make Model Submodel 2021-2023 Chevrolet Silverado 2500...
Wehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets
$689.00
$668.33
WCFWCF100624
Chevrolet
Connecting Pipes
Exhaust, Mufflers & Tips
GMC | Chevy
Replace the lightweight 16G, leak prone, 1 5/8" OEM up pipes on your 2017-2025 6.6L L5P Duramax equipped Chevrolet Silverado or GMC Sierra 2500...
Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware
$2,159.00
$2,094.23
WCFWCF100226
Chevrolet
Exhaust, Mufflers & Tips
GMC | Chevy
Headers & Manifolds
WCFab’s 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust...
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe
$335.00
$324.95
WCFWCF100129
Chevrolet
Downpipes
Exhaust, Mufflers & Tips
GMC
GMC | Chevy
Replace the restrictive crushed factory down pipe on your 2017-2025 L5P Duramax with this 3.5" Down Pipe for improved exhaust flow. Connects to the...
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax Up Pipe Bolt Kit
$60.00
$58.20
WCFWCF100199
Best Sellers
Chevrolet
Engine Components
GMC
GMC | Chevy
Hardware Kits - Other
The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high strength ARP fasteners and matched washers with a pack of...
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Bengal Blue
$269.00
WCFWCF100775-BB
Air Intake Components
Air Intake Systems
GMC | Chevy
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2024 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...